BGP Routing: 2011-07-10

The Border Gateway Protocol (BGP) is the protocol backing the core routing decisions on the Internet. It maintains a table of IP networks or 'prefixes' which designate network reachability among autonomous systems (AS). It is described as a path vector protocol. BGP does not use traditional Interior Gateway Protocol (IGP) metrics, but makes routing decisions based on path, network policies and/or rulesets. For this reason, it is more appropriately termed a reachability protocol rather than routing protocol.

Saturday, July 16, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 17 Jul, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 369705
Prefixes after maximum aggregation: 166640
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 180603
Total ASes present in the Internet Routing Table: 38228
Prefixes per ASN: 9.67
Origin-only ASes present in the Internet Routing Table: 31744
Origin ASes announcing only one prefix: 15219
Transit ASes present in the Internet Routing Table: 5213
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 3984
Unregistered ASNs in the Routing Table: 558
Number of 32-bit ASNs allocated by the RIRs: 1563
Number of 32-bit ASNs visible in the Routing Table: 1271
Prefixes from 32-bit ASNs in the Routing Table: 2937
Special use prefixes present in the Routing Table: 78
Prefixes being announced from unallocated address space: 125
Number of addresses announced to Internet: 2478846664
Equivalent to 147 /8s, 192 /16s and 50 /24s
Percentage of available address space announced: 66.9
Percentage of allocated address space announced: 66.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 154006

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88746
Total APNIC prefixes after maximum aggregation: 29203
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 85458
Unique aggregates announced from the APNIC address blocks: 37453
APNIC Region origin ASes present in the Internet Routing Table: 4505
APNIC Prefixes per ASN: 18.97
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 711
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 61
Number of APNIC addresses announced to Internet: 622205698
Equivalent to 37 /8s, 22 /16s and 27 /24s
Percentage of available APNIC address space announced: 78.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 145082
Total ARIN prefixes after maximum aggregation: 74997
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 116644
Unique aggregates announced from the ARIN address blocks: 46689
ARIN Region origin ASes present in the Internet Routing Table: 14485
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5522
ARIN Region transit ASes present in the Internet Routing Table: 1513
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 31
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 802493848
Equivalent to 47 /8s, 213 /16s and 21 /24s
Percentage of available ARIN address space announced: 63.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 90043
Total RIPE prefixes after maximum aggregation: 49610
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 82618
Unique aggregates announced from the RIPE address blocks: 52708
RIPE Region origin ASes present in the Internet Routing Table: 15833
RIPE Prefixes per ASN: 5.22
RIPE Region origin ASes announcing only one prefix: 7842
RIPE Region transit ASes present in the Internet Routing Table: 2532
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 927
Number of RIPE addresses announced to Internet: 480191756
Equivalent to 28 /8s, 159 /16s and 37 /24s
Percentage of available RIPE address space announced: 77.4

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 34207
Total LACNIC prefixes after maximum aggregation: 7621
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 33325
Unique aggregates announced from the LACNIC address blocks: 17064
LACNIC Region origin ASes present in the Internet Routing Table: 1481
LACNIC Prefixes per ASN: 22.50
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 272
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 266
Number of LACNIC addresses announced to Internet: 86094600
Equivalent to 5 /8s, 33 /16s and 179 /24s
Percentage of available LACNIC address space announced: 57.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8407
Total AfriNIC prefixes after maximum aggregation: 1970
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6507
Unique aggregates announced from the AfriNIC address blocks: 1985
AfriNIC Region origin ASes present in the Internet Routing Table: 468
AfriNIC Prefixes per ASN: 13.90
AfriNIC Region origin ASes announcing only one prefix: 147
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24368896
Equivalent to 1 /8s, 115 /16s and 215 /24s
Percentage of available AfriNIC address space announced: 36.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1914 11053 637 Korea Telecom (KIX)
7545 1552 301 84 TPG Internet Pty Ltd
17974 1539 456 45 PT TELEKOMUNIKASI INDONESIA
4755 1502 375 167 Videsh Sanchar Nigam Ltd. Aut
7552 1287 1064 7 Vietel Corporation
24560 1155 336 187 Bharti Airtel Ltd.
9829 1105 923 47 BSNL National Internet Backbo
9583 1064 78 504 Sify Limited
4808 1020 2059 288 CNCGROUP IP network: China169
17488 981 187 106 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3598 3818 241 bellsouth.net, inc.
18566 1957 372 223 Covad Communications
1785 1809 681 121 AppliedTheory Corporation
4323 1652 1098 400 Time Warner Telecom
20115 1594 1534 627 Charter Communications
19262 1411 4744 391 Verizon Global Networks
7029 1380 991 212 Windstream Communications Inc
7018 1375 7085 901 AT&T WorldNet Services
22773 1351 2897 88 Cox Communications, Inc.
2386 1261 521 907 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
286 1037 797 186 KPNQwest Backbone AS
9116 540 326 31 Goldenlines main autonomous s
34984 535 106 184 Tellcom Iletisim Hizmetleri
3292 523 2078 403 TDC Tele Danmark
6830 511 1780 315 UPC Distribution Services
20940 461 131 356 Akamai Technologies European
12479 457 593 7 Uni2 Autonomous System
8866 451 133 25 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 423 8151 369 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1557 286 164 TVCABLE BOGOTA
8151 1461 2728 357 Uninet S.A. de C.V.
28573 1267 995 77 Types of queries are: POCs, o
7303 1009 512 177 Telecom Argentina Stet-France
6503 748 354 67 AVANTEL, S.A.
14420 690 55 84 Types of queries are: POCs, o
22047 578 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 531 230 94 COLOMBIA TELECOMUNICACIONES S
27947 521 54 48 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 793 147 34 LINKdotNET AS number
8452 781 445 11 TEDATA
15475 513 74 8 Nile Online
36992 313 415 14 Etisalat MISR
16637 294 441 87 Johnnic e-Ventures
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 175 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3598 3818 241 bellsouth.net, inc.
23456 2937 708 1576 >>UNKNOWN<<
18566 1957 372 223 Covad Communications
4766 1914 11053 637 Korea Telecom (KIX)
1785 1809 681 121 AppliedTheory Corporation
4323 1652 1098 400 Time Warner Telecom
20115 1594 1534 627 Charter Communications
10620 1557 286 164 TVCABLE BOGOTA
7545 1552 301 84 TPG Internet Pty Ltd
17974 1539 456 45 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
18566 1957 1734 Covad Communications
1785 1809 1688 AppliedTheory Corporation
17974 1539 1494 PT TELEKOMUNIKASI INDONESIA
7545 1552 1468 TPG Internet Pty Ltd
10620 1557 1393 TVCABLE BOGOTA
23456 2937 1361 >>UNKNOWN<<
4755 1502 1335 Videsh Sanchar Nigam Ltd. Aut
7552 1287 1280 Vietel Corporation
4766 1914 1277 Korea Telecom (KIX)
22773 1351 1263 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.29.244.56/29 286 KPNQwest Backbone AS
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:26 /11:80 /12:232
/13:464 /14:801 /15:1424 /16:12126 /17:6135 /18:10119
/19:20032 /20:27219 /21:26779 /22:35314 /23:34303 /24:191605
/25:388 /26:354 /27:182 /28:366 /29:283 /30:703
/31:63 /32:675

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2215 3598 bellsouth.net, inc.
18566 1907 1957 Covad Communications
10620 1452 1557 TVCABLE BOGOTA
23456 1442 2937 >>UNKNOWN<<
11492 1095 1141 Cable One
7029 1068 1380 Windstream Communications Inc
6478 1056 1085 AT&T Worldnet Services
7011 1056 1158 Citizens Utilities
1785 1053 1809 AppliedTheory Corporation
286 898 1037 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:330 2:67 4:20 5:1 6:3 8:339
12:1970 13:1 14:488 15:15 16:3 17:5
20:10 23:14 24:1684 27:828 31:505 32:135
33:4 34:2 36:4 38:747 40:104 41:2564
42:32 44:3 46:1047 47:3 49:201 50:393
52:13 54:2 55:4 56:2 57:45 58:865
59:479 60:386 61:1126 62:1057 63:1952 64:4011
65:2301 66:3932 67:1907 68:1281 69:3156 70:801
71:386 72:1920 73:1 74:2462 75:329 76:348
77:925 78:717 79:479 80:1128 81:881 82:515
83:460 84:702 85:1083 86:543 87:784 88:342
89:1578 90:215 91:3975 92:523 93:1069 94:1369
95:914 96:416 97:260 98:927 99:37 101:77
103:145 106:11 107:22 108:79 109:1031 110:616
111:713 112:305 113:409 114:559 115:687 116:994
117:689 118:832 119:1167 120:313 121:694 122:1608
123:973 124:1303 125:1276 128:247 129:174 130:169
131:577 132:111 133:21 134:214 135:48 136:216
137:137 138:297 139:129 140:480 141:244 142:406
143:416 144:484 145:55 146:453 147:226 148:672
149:248 150:160 151:189 152:342 153:182 154:4
155:397 156:199 157:353 158:138 159:454 160:313
161:202 162:309 163:160 164:499 165:397 166:531
167:435 168:736 169:154 170:852 171:78 172:1
173:1617 174:611 175:379 176:143 177:175 178:1012
180:903 181:24 182:497 183:231 184:345 185:1
186:1284 187:736 188:895 189:946 190:4999 192:5932
193:5013 194:3586 195:3196 196:1249 197:43 198:3593
199:3979 200:5555 201:1492 202:8422 203:8443 204:4228
205:2350 206:2736 207:2820 208:4108 209:3539 210:2695
211:1456 212:2156 213:1806 214:761 215:68 216:4992
217:1661 218:545 219:355 220:1235 221:498 222:337
223:216

End of report
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[bgp-stats] Routing Table Report - London view

* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 17 Jul, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/

Analysis Summary
----------------

BGP routing table entries examined: 358103
Prefixes after maximum aggregation: 163355
Deaggregation factor: 2.19
Unique aggregates announced to Internet: 180625
Total ASes present in the Internet Routing Table: 36763
Prefixes per ASN: 9.74
Origin-only ASes present in the Internet Routing Table: 31711
Origin ASes announcing only one prefix: 15270
Transit ASes present in the Internet Routing Table: 5052
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 37
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 2306
Unregistered ASNs in the Routing Table: 615
Number of 32-bit ASNs allocated by the RIRs: 1563
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 2908
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 123
Number of addresses announced to Internet: 2493987584
Equivalent to 148 /8s, 167 /16s and 59 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 147786

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 86139
Total APNIC prefixes after maximum aggregation: 28988
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 83782
Unique aggregates announced from the APNIC address blocks: 37492
APNIC Region origin ASes present in the Internet Routing Table: 4467
APNIC Prefixes per ASN: 18.76
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 675
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 620579072
Equivalent to 36 /8s, 253 /16s and 73 /24s
Percentage of available APNIC address space announced: 78.7

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140157
Total ARIN prefixes after maximum aggregation: 72415
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 112395
Unique aggregates announced from the ARIN address blocks: 46657
ARIN Region origin ASes present in the Internet Routing Table: 14396
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5517
ARIN Region transit ASes present in the Internet Routing Table: 1454
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 802414336
Equivalent to 47 /8s, 211 /16s and 223 /24s
Percentage of available ARIN address space announced: 63.8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 87046
Total RIPE prefixes after maximum aggregation: 49235
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 80371
Unique aggregates announced from the RIPE address blocks: 52875
RIPE Region origin ASes present in the Internet Routing Table: 15790
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7890
RIPE Region transit ASes present in the Internet Routing Table: 2481
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 479510528
Equivalent to 28 /8s, 148 /16s and 192 /24s
Percentage of available RIPE address space announced: 77.2

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32831
Total LACNIC prefixes after maximum aggregation: 7479
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 32305
Unique aggregates announced from the LACNIC address blocks: 17057
LACNIC Region origin ASes present in the Internet Routing Table: 1470
LACNIC Prefixes per ASN: 21.98
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 258
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 86042112
Equivalent to 5 /8s, 32 /16s and 230 /24s
Percentage of available LACNIC address space announced: 57.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8323
Total AfriNIC prefixes after maximum aggregation: 2019
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6491
Unique aggregates announced from the AfriNIC address blocks: 1989
AfriNIC Region origin ASes present in the Internet Routing Table: 471
AfriNIC Prefixes per ASN: 13.78
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 24402688
Equivalent to 1 /8s, 116 /16s and 91 /24s
Percentage of available AfriNIC address space announced: 36.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1909 11036 632 Korea Telecom (KIX)
7545 1551 301 83 TPG Internet Pty Ltd
17974 1535 456 45 PT Telekomunikasi Indonesia
4755 1499 375 167 TATA Communications formerly
24560 1155 336 187 Bharti Airtel Ltd., Telemedia
9829 1098 923 47 National Internet Backbone
9583 1064 78 504 Sify Limited
17488 964 187 106 Hathway IP Over Cable Interne
4808 946 2003 274 CNCGROUP IP network China169
18101 933 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3598 3819 242 BellSouth.net Inc.
18566 1912 365 240 Covad Communications Co.
1785 1809 681 121 PaeTec Communications, Inc.
4323 1657 1098 401 tw telecom holdings, inc.
20115 1594 1534 627 Charter Communications
19262 1410 4744 390 Verizon Online LLC
7029 1389 1031 209 Windstream Communications Inc
7018 1377 7102 903 AT&T Services, Inc.
22773 1350 2897 88 Cox Communications Inc.
2386 1261 521 907 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
9116 540 326 31 Goldenlines main autonomous s
34984 535 106 184 BILISIM TELEKOM
6830 509 1780 315 UPC Broadband
3292 468 2078 403 TDC Data Networks
20940 459 131 355 Akamai Technologies European
12479 457 593 7 France Telecom Espana SA
8866 449 133 25 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 422 8151 368 Deutsche Telekom AG
8551 405 355 38 Bezeq International

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1557 286 164 Types of queries are: POCs, o
8151 1252 2728 351 Uninet S.A. de C.V.
28573 1252 995 77 Types of queries are: POCs, o
7303 986 511 165 Telecom Argentina S.A.
6503 727 354 66 Axtel, S.A.B. de C.V.
14420 690 55 84 CORPORACION NACIONAL DE TELEC
22047 578 322 17 Types of queries are: POCs, o
3816 531 230 94 Types of queries are: POCs, o
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 498 54 48 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 792 147 34 LINKdotNET AS number
8452 781 445 11 TEDATA
15475 513 74 8 Nile Online
36992 313 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 175 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 149 441 87 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3598 3819 242 BellSouth.net Inc.
23456 2908 707 1566 32-bit ASN transition
18566 1912 365 240 Covad Communications Co.
4766 1909 11036 632 Korea Telecom (KIX)
1785 1809 681 121 PaeTec Communications, Inc.
4323 1657 1098 401 tw telecom holdings, inc.
20115 1594 1534 627 Charter Communications
10620 1557 286 164 Types of queries are: POCs, o
7545 1551 301 83 TPG Internet Pty Ltd
17974 1535 456 45 PT Telekomunikasi Indonesia

Complete listing at http://thyme.rand.apnic.net/london/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
1785 1809 1688 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications Co.
17974 1535 1490 PT Telekomunikasi Indonesia
7545 1551 1468 TPG Internet Pty Ltd
10620 1557 1393 Types of queries are: POCs, o
23456 2908 1342 32-bit ASN transition
4755 1499 1332 TATA Communications formerly
4766 1909 1277 Korea Telecom (KIX)
22773 1350 1262 Cox Communications Inc.
4323 1657 1256 tw telecom holdings, inc.

Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings,
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 65535 Internet Assigned Numbers Aut
198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/data-dsua

Advertised Unallocated Addresses
--------------------------------

Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:12 /10:26 /11:80 /12:232
/13:464 /14:794 /15:1396 /16:11975 /17:5857 /18:9753
/19:19574 /20:25880 /21:26121 /22:34570 /23:33305 /24:187528
/25:13 /26:20 /27:25 /28:160 /29:108 /30:59
/31:0 /32:130

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2214 3598 BellSouth.net Inc.
18566 1868 1912 Covad Communications Co.
10620 1452 1557 Types of queries are: POCs, o
23456 1421 2908 32-bit ASN transition
11492 1092 1138 CABLE ONE, INC.
7029 1069 1389 Windstream Communications Inc
6478 1056 1085 AT&T Services, Inc.
7011 1056 1158 Frontier Communications of Am
1785 1053 1809 PaeTec Communications, Inc.
22773 864 1350 Cox Communications Inc.

Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:328 2:44 4:16 5:1 6:3 8:338
12:1963 13:1 14:473 15:15 16:3 17:5
20:10 23:14 24:1674 27:820 31:500 32:59
33:4 34:2 36:4 38:741 40:104 41:2557
42:32 44:3 46:1039 47:3 49:201 50:393
52:13 54:2 55:4 56:2 57:34 58:820
59:473 60:384 61:1018 62:1038 63:1924 64:3929
65:2298 66:3877 67:1873 68:1096 69:3042 70:753
71:386 72:1887 74:2408 75:316 76:340 77:886
78:709 79:466 80:1116 81:843 82:504 83:457
84:691 85:1066 86:523 87:766 88:337 89:1535
90:223 91:3959 92:522 93:1048 94:1340 95:858
96:410 97:260 98:891 99:37 101:72 103:145
106:11 107:22 108:70 109:1020 110:605 111:711
112:298 113:402 114:553 115:668 116:959 117:666
118:822 119:1159 120:312 121:651 122:1603 123:964
124:1267 125:1227 128:208 129:165 130:163 131:572
132:103 133:21 134:205 135:48 136:214 137:133
138:297 139:114 140:457 141:243 142:387 143:413
144:481 145:55 146:447 147:215 148:601 149:247
150:153 151:189 152:340 153:182 154:3 155:397
156:196 157:323 158:138 159:386 160:311 161:193
162:306 163:150 164:499 165:365 166:529 167:433
168:731 169:151 170:847 171:78 172:1 173:1598
174:609 175:365 176:143 177:175 178:999 180:886
181:23 182:478 183:231 184:344 185:1 186:1280
187:731 188:893 189:946 190:4976 192:5853 193:4988
194:3521 195:3056 196:1243 197:43 198:3526 199:3923
200:5478 201:1484 202:8205 203:8354 204:4157 205:2305
206:2587 207:2737 208:3969 209:3425 210:2597 211:1443
212:2116 213:1766 214:760 215:68 216:4905 217:1648
218:532 219:348 220:1196 221:480 222:312 223:214

End of report
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[bgp-stats] Routing Table Report - Japan view

* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 17 Jul, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 363602
Prefixes after maximum aggregation: 165342
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 180580
Total ASes present in the Internet Routing Table: 38169
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 31723
Origin ASes announcing only one prefix: 15247
Transit ASes present in the Internet Routing Table: 5186
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 917
Unregistered ASNs in the Routing Table: 532
Number of 32-bit ASNs allocated by the RIRs: 1563
Number of 32-bit ASNs visible in the Routing Table: 1260
Prefixes from 32-bit ASNs in the Routing Table: 2908
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 123
Number of addresses announced to Internet: 2477938720
Equivalent to 147 /8s, 178 /16s and 88 /24s
Percentage of available address space announced: 66.9
Percentage of allocated address space announced: 66.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 151671

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 90726
Total APNIC prefixes after maximum aggregation: 30322
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 87322
Unique aggregates announced from the APNIC address blocks: 37439
APNIC Region origin ASes present in the Internet Routing Table: 4519
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 716
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 61
Number of APNIC addresses announced to Internet: 622182976
Equivalent to 37 /8s, 21 /16s and 194 /24s
Percentage of available APNIC address space announced: 78.9

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 141478
Total ARIN prefixes after maximum aggregation: 73069
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113416
Unique aggregates announced from the ARIN address blocks: 46675
ARIN Region origin ASes present in the Internet Routing Table: 14479
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5537
ARIN Region transit ASes present in the Internet Routing Table: 1523
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 802442368
Equivalent to 47 /8s, 212 /16s and 76 /24s
Percentage of available ARIN address space announced: 63.8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 86461
Total RIPE prefixes after maximum aggregation: 49190
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79834
Unique aggregates announced from the RIPE address blocks: 52835
RIPE Region origin ASes present in the Internet Routing Table: 15782
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7870
RIPE Region transit ASes present in the Internet Routing Table: 2496
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 918
Number of RIPE addresses announced to Internet: 479433792
Equivalent to 28 /8s, 147 /16s and 148 /24s
Percentage of available RIPE address space announced: 77.2

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33669
Total LACNIC prefixes after maximum aggregation: 7590
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 32774
Unique aggregates announced from the LACNIC address blocks: 17063
LACNIC Region origin ASes present in the Internet Routing Table: 1482
LACNIC Prefixes per ASN: 22.11
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 274
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 264
Number of LACNIC addresses announced to Internet: 86088448
Equivalent to 5 /8s, 33 /16s and 155 /24s
Percentage of available LACNIC address space announced: 57.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8183
Total AfriNIC prefixes after maximum aggregation: 1964
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 6494
Unique aggregates announced from the AfriNIC address blocks: 1987
AfriNIC Region origin ASes present in the Internet Routing Table: 467
AfriNIC Prefixes per ASN: 13.91
AfriNIC Region origin ASes announcing only one prefix: 146
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24352256
Equivalent to 1 /8s, 115 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 36.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2469 11044 937 Korea Telecom (KIX)
7545 1553 301 84 TPG Internet Pty Ltd
17974 1535 456 45 PT TELEKOMUNIKASI INDONESIA
4755 1501 635 170 TATA Communications formerly
7552 1287 1064 7 Vietel Corporation
24560 1155 336 187 Bharti Airtel Ltd., Telemedia
9829 1071 922 50 BSNL National Internet Backbo
9583 1064 78 504 Sify Limited
4808 1047 2092 299 CNCGROUP IP network: China169
17488 966 187 106 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3599 3818 241 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1805 681 121 PaeTec Communications, Inc.
4323 1612 1082 400 Time Warner Telecom
20115 1594 1534 627 Charter Communications
19262 1410 4744 390 Verizon Global Networks
7018 1364 7069 893 AT&T WorldNet Services
22773 1351 2897 88 Cox Communications, Inc.
7029 1291 791 305 Windstream Communications Inc
2386 1259 520 907 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
34984 535 106 184 BILISIM TELEKOM
6830 510 1780 315 UPC Distribution Services
3292 468 2078 403 TDC Tele Danmark
20940 458 131 354 Akamai Technologies European
12479 457 593 7 Uni2 Autonomous System
8866 449 133 25 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 423 8151 369 Deutsche Telekom AG
8551 404 354 44 Bezeq International
702 399 1803 312 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1557 286 164 TVCABLE BOGOTA
8151 1437 2746 353 UniNet S.A. de C.V.
28573 1276 995 77 NET Servicos de Comunicao S.A
7303 1009 512 177 Telecom Argentina Stet-France
6503 738 354 66 AVANTEL, S.A.
14420 690 55 84 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 530 230 95 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 508 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 793 147 36 LINKdotNET AS number
8452 781 445 11 TEDATA
15475 513 74 8 Nile Online
36992 313 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 175 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 148 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3599 3818 241 bellsouth.net, inc.
23456 2908 706 1560 32-bit ASN transition
4766 2469 11044 937 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1805 681 121 PaeTec Communications, Inc.
4323 1612 1082 400 Time Warner Telecom
20115 1594 1534 627 Charter Communications
10620 1557 286 164 TVCABLE BOGOTA
7545 1553 301 84 TPG Internet Pty Ltd
17974 1535 456 45 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
1785 1805 1684 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2469 1532 Korea Telecom (KIX)
17974 1535 1490 PT TELEKOMUNIKASI INDONESIA
7545 1553 1469 TPG Internet Pty Ltd
10620 1557 1393 TVCABLE BOGOTA
23456 2908 1348 32-bit ASN transition
4755 1501 1331 TATA Communications formerly
7552 1287 1280 Vietel Corporation
22773 1351 1263 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:26 /11:80 /12:232
/13:464 /14:795 /15:1396 /16:12013 /17:5881 /18:9822
/19:19497 /20:26021 /21:26206 /22:34848 /23:33664 /24:189311
/25:1089 /26:1268 /27:736 /28:204 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2216 3599 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1452 1557 TVCABLE BOGOTA
23456 1426 2908 32-bit ASN transition
11492 1095 1141 Cable One
6478 1056 1085 AT&T Worldnet Services
7011 1056 1158 Citizens Utilities
1785 1052 1805 PaeTec Communications, Inc.
7029 1038 1291 Windstream Communications Inc
22773 865 1351 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:330 2:44 4:16 5:1 6:3 8:338
12:1965 13:1 14:487 15:15 16:3 17:5
20:10 23:14 24:1679 27:826 31:502 32:64
33:4 34:2 36:4 38:745 40:104 41:2553
42:32 44:3 46:1041 47:3 49:201 50:473
52:13 54:2 55:4 56:2 57:35 58:863
59:478 60:386 61:1123 62:1034 63:1929 64:3954
65:2300 66:3887 67:1872 68:1103 69:3045 70:756
71:386 72:1887 74:2410 75:318 76:341 77:885
78:710 79:457 80:1116 81:840 82:497 83:454
84:692 85:1047 86:524 87:764 88:336 89:1533
90:224 91:3950 92:522 93:1048 94:1338 95:857
96:415 97:259 98:891 99:37 101:77 103:145
106:11 107:22 108:70 109:1022 110:608 111:712
112:305 113:406 114:553 115:685 116:979 117:689
118:833 119:1171 120:313 121:676 122:1608 123:978
124:1303 125:1277 128:245 129:171 130:169 131:573
132:111 133:21 134:213 135:48 136:216 137:136
138:297 139:116 140:480 141:244 142:403 143:415
144:484 145:55 146:452 147:215 148:672 149:243
150:160 151:189 152:342 153:182 154:4 155:397
156:199 157:352 158:138 159:454 160:313 161:202
162:309 163:162 164:499 165:367 166:529 167:433
168:736 169:153 170:852 171:78 172:1 173:1620
174:607 175:379 176:142 177:171 178:1000 180:897
181:23 182:492 183:231 184:345 185:1 186:1288
187:734 188:895 189:946 190:4987 192:5898 193:4969
194:3526 195:3026 196:1198 197:43 198:3580 199:3962
200:5551 201:1492 202:8416 203:8441 204:4223 205:2329
206:2673 207:2793 208:3974 209:3428 210:2691 211:1452
212:2100 213:1737 214:761 215:68 216:4933 217:1648
218:543 219:352 220:1232 221:496 222:337 223:216

End of report
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Friday, July 15, 2011

[bgp-stats] Routing Table Report - RouteViews-3 view

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 16 Jul, 2011

NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/

Analysis Summary
----------------

BGP routing table entries examined: 369960
Prefixes after maximum aggregation: 166698
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 180628
Total ASes present in the Internet Routing Table: 38236
Prefixes per ASN: 9.68
Origin-only ASes present in the Internet Routing Table: 31771
Origin ASes announcing only one prefix: 15217
Transit ASes present in the Internet Routing Table: 5191
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 31
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 3982
Unregistered ASNs in the Routing Table: 558
Number of 32-bit ASNs allocated by the RIRs: 1559
Number of 32-bit ASNs visible in the Routing Table: 1274
Prefixes from 32-bit ASNs in the Routing Table: 2940
Special use prefixes present in the Routing Table: 78
Prefixes being announced from unallocated address space: 125
Number of addresses announced to Internet: 2479480968
Equivalent to 147 /8s, 201 /16s and 224 /24s
Percentage of available address space announced: 66.9
Percentage of allocated address space announced: 66.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 154110

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88800
Total APNIC prefixes after maximum aggregation: 29187
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 85511
Unique aggregates announced from the APNIC address blocks: 37440
APNIC Region origin ASes present in the Internet Routing Table: 4504
APNIC Prefixes per ASN: 18.99
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 705
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 61
Number of APNIC addresses announced to Internet: 622209474
Equivalent to 37 /8s, 22 /16s and 41 /24s
Percentage of available APNIC address space announced: 78.9

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 145246
Total ARIN prefixes after maximum aggregation: 75017
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116818
Unique aggregates announced from the ARIN address blocks: 46718
ARIN Region origin ASes present in the Internet Routing Table: 14491
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5523
ARIN Region transit ASes present in the Internet Routing Table: 1502
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 31
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 803149464
Equivalent to 47 /8s, 223 /16s and 22 /24s
Percentage of available ARIN address space announced: 63.8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 90054
Total RIPE prefixes after maximum aggregation: 49633
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 82636
Unique aggregates announced from the RIPE address blocks: 52692
RIPE Region origin ASes present in the Internet Routing Table: 15840
RIPE Prefixes per ASN: 5.22
RIPE Region origin ASes announcing only one prefix: 7838
RIPE Region transit ASes present in the Internet Routing Table: 2528
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 930
Number of RIPE addresses announced to Internet: 480196620
Equivalent to 28 /8s, 159 /16s and 56 /24s
Percentage of available RIPE address space announced: 77.4

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 34241
Total LACNIC prefixes after maximum aggregation: 7649
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 33325
Unique aggregates announced from the LACNIC address blocks: 17060
LACNIC Region origin ASes present in the Internet Routing Table: 1482
LACNIC Prefixes per ASN: 22.49
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 269
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 266
Number of LACNIC addresses announced to Internet: 86090504
Equivalent to 5 /8s, 33 /16s and 163 /24s
Percentage of available LACNIC address space announced: 57.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8402
Total AfriNIC prefixes after maximum aggregation: 1973
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 6501
Unique aggregates announced from the AfriNIC address blocks: 1992
AfriNIC Region origin ASes present in the Internet Routing Table: 470
AfriNIC Prefixes per ASN: 13.83
AfriNIC Region origin ASes announcing only one prefix: 148
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24388352
Equivalent to 1 /8s, 116 /16s and 35 /24s
Percentage of available AfriNIC address space announced: 36.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1910 11036 633 Korea Telecom (KIX)
7545 1553 301 85 TPG Internet Pty Ltd
17974 1546 456 45 PT TELEKOMUNIKASI INDONESIA
4755 1503 375 168 Videsh Sanchar Nigam Ltd. Aut
7552 1284 1064 7 Vietel Corporation
24560 1155 336 187 Bharti Airtel Ltd.
9829 1106 923 47 BSNL National Internet Backbo
9583 1064 78 504 Sify Limited
17488 981 187 106 Hathway IP Over Cable Interne
4808 954 2016 274 CNCGROUP IP network: China169

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3598 3818 241 bellsouth.net, inc.
18566 1957 372 223 Covad Communications
1785 1809 681 121 AppliedTheory Corporation
4323 1655 1098 401 Time Warner Telecom
20115 1616 1534 627 Charter Communications
19262 1428 4784 393 Verizon Global Networks
7018 1373 7085 900 AT&T WorldNet Services
7029 1370 975 210 Windstream Communications Inc
22773 1351 2897 88 Cox Communications, Inc.
2386 1261 521 907 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
286 1037 797 186 KPNQwest Backbone AS
9116 540 326 31 Goldenlines main autonomous s
34984 535 106 184 Tellcom Iletisim Hizmetleri
3292 523 2078 403 TDC Tele Danmark
6830 513 1780 317 UPC Distribution Services
20940 461 131 356 Akamai Technologies European
12479 458 593 7 Uni2 Autonomous System
8866 451 133 25 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 422 8151 368 Deutsche Telekom AG

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1557 286 164 TVCABLE BOGOTA
8151 1463 2728 356 Uninet S.A. de C.V.
28573 1276 995 77 Types of queries are: POCs, o
7303 1009 512 177 Telecom Argentina Stet-France
6503 760 354 75 AVANTEL, S.A.
14420 690 55 84 Types of queries are: POCs, o
22047 578 322 17 Types of queries are: POCs, o
10481 548 430 20 Prima S.A.
3816 533 230 97 COLOMBIA TELECOMUNICACIONES S
27947 521 54 48 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 795 147 36 LINKdotNET AS number
8452 780 445 11 TEDATA
15475 513 74 8 Nile Online
36992 315 415 14 Etisalat MISR
16637 294 441 87 Johnnic e-Ventures
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 175 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3598 3818 241 bellsouth.net, inc.
23456 2940 710 1576 >>UNKNOWN<<
18566 1957 372 223 Covad Communications
4766 1910 11036 633 Korea Telecom (KIX)
1785 1809 681 121 AppliedTheory Corporation
4323 1655 1098 401 Time Warner Telecom
20115 1616 1534 627 Charter Communications
10620 1557 286 164 TVCABLE BOGOTA
7545 1553 301 85 TPG Internet Pty Ltd
17974 1546 456 45 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
18566 1957 1734 Covad Communications
1785 1809 1688 AppliedTheory Corporation
17974 1546 1501 PT TELEKOMUNIKASI INDONESIA
7545 1553 1468 TPG Internet Pty Ltd
10620 1557 1393 TVCABLE BOGOTA
23456 2940 1364 >>UNKNOWN<<
4755 1503 1335 Videsh Sanchar Nigam Ltd. Aut
4766 1910 1277 Korea Telecom (KIX)
7552 1284 1277 Vietel Corporation
22773 1351 1263 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua

Advertised Unallocated Addresses
--------------------------------

Complete listing at http://thyme.rand.apnic.net/rviews/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:26 /11:80 /12:232
/13:464 /14:801 /15:1425 /16:12126 /17:6140 /18:10130
/19:20056 /20:27246 /21:26790 /22:35325 /23:34329 /24:191726
/25:390 /26:355 /27:183 /28:367 /29:285 /30:703
/31:63 /32:686

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2215 3598 bellsouth.net, inc.
18566 1907 1957 Covad Communications
10620 1452 1557 TVCABLE BOGOTA
23456 1444 2940 >>UNKNOWN<<
11492 1097 1143 Cable One
7029 1065 1370 Windstream Communications Inc
7011 1056 1158 Citizens Utilities
6478 1055 1084 AT&T Worldnet Services
1785 1053 1809 AppliedTheory Corporation
286 898 1037 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:328 2:67 4:20 5:1 6:3 8:340
12:1972 13:1 14:490 15:15 16:3 17:5
20:10 23:14 24:1684 27:826 31:505 32:135
33:4 34:2 36:4 38:747 40:104 41:2566
42:32 44:3 46:1043 47:3 49:201 50:471
52:13 54:2 55:5 56:2 57:45 58:865
59:480 60:386 61:1126 62:1056 63:1957 64:4012
65:2301 66:3938 67:1907 68:1282 69:3156 70:801
71:390 72:1921 73:1 74:2438 75:330 76:349
77:927 78:717 79:479 80:1127 81:883 82:515
83:460 84:702 85:1081 86:542 87:784 88:342
89:1578 90:224 91:3981 92:523 93:1070 94:1369
95:915 96:415 97:261 98:927 99:37 101:77
103:143 106:10 107:22 108:79 109:1029 110:615
111:713 112:305 113:409 114:558 115:689 116:993
117:689 118:831 119:1162 120:313 121:695 122:1608
123:973 124:1304 125:1278 128:246 129:175 130:169
131:578 132:111 133:21 134:214 135:48 136:216
137:137 138:297 139:129 140:482 141:244 142:406
143:417 144:484 145:55 146:453 147:222 148:682
149:248 150:160 151:189 152:342 153:182 154:4
155:397 156:199 157:353 158:138 159:454 160:312
161:202 162:309 163:164 164:499 165:397 166:532
167:435 168:736 169:154 170:851 171:78 172:1
173:1637 174:611 175:377 176:143 177:171 178:1015
180:905 181:24 182:497 183:232 184:346 185:1
186:1287 187:735 188:897 189:944 190:4989 192:5932
193:5018 194:3589 195:3193 196:1250 197:43 198:3594
199:3986 200:5567 201:1492 202:8425 203:8444 204:4230
205:2349 206:2732 207:2822 208:4099 209:3536 210:2699
211:1456 212:2130 213:1812 214:774 215:69 216:4994
217:1645 218:545 219:362 220:1235 221:498 222:338
223:219

End of report
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