BGP Routing: 2011-03-06

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, March 12, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 13 Mar, 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: 354738
Prefixes after maximum aggregation: 159095
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 173020
Total ASes present in the Internet Routing Table: 36069
Prefixes per ASN: 9.83
Origin-only ASes present in the Internet Routing Table: 31173
Origin ASes announcing only one prefix: 14905
Transit ASes present in the Internet Routing Table: 4896
Transit-only ASes present in the Internet Routing Table: 121
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 490
Unregistered ASNs in the Routing Table: 215
Number of 32-bit ASNs allocated by the RIRs: 1193
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 74
Prefixes being announced from unallocated address space: 255
Number of addresses announced to Internet: 2468478219
Equivalent to 147 /8s, 33 /16s and 253 /24s
Percentage of available address space announced: 66.6
Percentage of allocated address space announced: 66.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.1
Total number of prefixes smaller than registry allocations: 146756

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

Prefixes being announced by APNIC Region ASes: 85342
Total APNIC prefixes after maximum aggregation: 28582
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 82259
Unique aggregates announced from the APNIC address blocks: 36303
APNIC Region origin ASes present in the Internet Routing Table: 4329
APNIC Prefixes per ASN: 19.00
APNIC Region origin ASes announcing only one prefix: 1209
APNIC Region transit ASes present in the Internet Routing Table: 680
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 595648641
Equivalent to 35 /8s, 128 /16s and 224 /24s
Percentage of available APNIC address space announced: 75.5

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: 143336
Total ARIN prefixes after maximum aggregation: 73687
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 113578
Unique aggregates announced from the ARIN address blocks: 44936
ARIN Region origin ASes present in the Internet Routing Table: 14256
ARIN Prefixes per ASN: 7.97
ARIN Region origin ASes announcing only one prefix: 5399
ARIN Region transit ASes present in the Internet Routing Table: 1452
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 796467224
Equivalent to 47 /8s, 121 /16s and 32 /24s
Percentage of available ARIN address space announced: 63.3

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: 85977
Total RIPE prefixes after maximum aggregation: 47505
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 78461
Unique aggregates announced from the RIPE address blocks: 49818
RIPE Region origin ASes present in the Internet Routing Table: 15436
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7736
RIPE Region transit ASes present in the Internet Routing Table: 2362
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 481382732
Equivalent to 28 /8s, 177 /16s and 81 /24s
Percentage of available RIPE address space announced: 77.5

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: 32284
Total LACNIC prefixes after maximum aggregation: 7392
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 31181
Unique aggregates announced from the LACNIC address blocks: 16135
LACNIC Region origin ASes present in the Internet Routing Table: 1435
LACNIC Prefixes per ASN: 21.73
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 259
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 81417356
Equivalent to 4 /8s, 218 /16s and 84 /24s
Percentage of available LACNIC address space announced: 53.9

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: 7533
Total AfriNIC prefixes after maximum aggregation: 1825
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 5910
Unique aggregates announced from the AfriNIC address blocks: 1853
AfriNIC Region origin ASes present in the Internet Routing Table: 435
AfriNIC Prefixes per ASN: 13.59
AfriNIC Region origin ASes announcing only one prefix: 129
AfriNIC Region transit ASes present in the Internet Routing Table: 95
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 22065152
Equivalent to 1 /8s, 80 /16s and 176 /24s
Percentage of available AfriNIC address space announced: 32.9

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 1861 9500 588 Korea Telecom (KIX)
7545 1578 301 84 TPG Internet Pty Ltd
4755 1462 649 154 Videsh Sanchar Nigam Ltd. Aut
17974 1407 468 29 PT TELEKOMUNIKASI INDONESIA
24560 1122 324 186 Bharti Airtel Ltd.
9583 1047 76 487 Sify Limited
9829 1005 868 53 BSNL National Internet Backbo
4808 1002 2078 283 CNCGROUP IP network: China169
17488 960 162 96 Hathway IP Over Cable Interne
18101 934 117 141 Reliance Infocom Ltd Internet

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 3677 3839 259 bellsouth.net, inc.
4323 2584 1125 404 Time Warner Telecom
19262 1831 4953 283 Verizon Global Networks
1785 1794 681 131 AppliedTheory Corporation
20115 1577 1537 650 Charter Communications
6478 1545 299 72 AT&T Worldnet Services
18566 1524 326 180 Covad Communications
7018 1368 6738 891 AT&T WorldNet Services
11492 1313 237 64 Cable One
2386 1296 538 935 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 1010 795 164 KPNQwest Backbone AS
9116 545 328 32 Goldenlines main autonomous s
6830 516 1780 318 UPC Distribution Services
3292 505 1996 390 TDC Tele Danmark
9198 470 267 15 Kazakhtelecom Corporate Sales
34984 451 95 201 Tellcom Iletisim Hizmetleri
8866 445 133 24 Bulgarian Telecommunication C
8402 421 320 32 Corbina telecom
20940 414 97 319 Akamai Technologies European
3320 407 7604 353 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 1384 258 163 TVCABLE BOGOTA
8151 1365 2681 365 Uninet S.A. de C.V.
28573 1237 963 83 Types of queries are: POCs, o
6503 1184 354 73 AVANTEL, S.A.
7303 919 464 148 Telecom Argentina Stet-France
14420 634 51 88 Types of queries are: POCs, o
22047 541 310 15 Types of queries are: POCs, o
3816 513 224 99 COLOMBIA TELECOMUNICACIONES S
11172 489 99 83 Alestra
7738 479 922 30 Telecomunicacoes da Bahia 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
8452 794 445 11 TEDATA
24863 770 147 39 LINKdotNET AS number
15475 423 90 8 Nile Online
36992 300 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 228 78 10 RAYA Telecom - Egypt
6713 204 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 142 422 85 Johnnic e-Ventures

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 3677 3839 259 bellsouth.net, inc.
4323 2584 1125 404 Time Warner Telecom
4766 1861 9500 588 Korea Telecom (KIX)
19262 1831 4953 283 Verizon Global Networks
1785 1794 681 131 AppliedTheory Corporation
7545 1578 301 84 TPG Internet Pty Ltd
20115 1577 1537 650 Charter Communications
6478 1545 299 72 AT&T Worldnet Services
18566 1524 326 180 Covad Communications
4755 1462 649 154 Videsh Sanchar Nigam Ltd. Aut

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

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

ASN No of nets Net Savings Description
4323 2584 2180 Time Warner Telecom
1785 1794 1663 AppliedTheory Corporation
19262 1831 1548 Verizon Global Networks
7545 1578 1494 TPG Internet Pty Ltd
6478 1545 1473 AT&T Worldnet Services
17974 1407 1378 PT TELEKOMUNIKASI INDONESIA
18566 1524 1344 Covad Communications
4755 1462 1308 Videsh Sanchar Nigam Ltd. Aut
4766 1861 1273 Korea Telecom (KIX)
11492 1313 1249 Cable One

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
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 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

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
1.5.0.0/16 38639 NTT Communications Corporatio
1.6.0.0/15 38639 NTT Communications Corporatio
1.8.0.0/16 38639 NTT Communications Corporatio
1.20.0.0/16 38639 NTT Communications Corporatio
1.32.0.0/16 38639 NTT Communications Corporatio
1.37.0.0/16 38639 NTT Communications Corporatio
1.187.0.0/16 38639 NTT Communications Corporatio
14.0.0.0/24 38639 NTT Communications Corporatio
14.0.1.0/24 38639 NTT Communications Corporatio
14.0.2.0/23 38639 NTT Communications Corporatio

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 /8:24 /9:11 /10:26 /11:74 /12:217
/13:447 /14:773 /15:1398 /16:11676 /17:5905 /18:9666
/19:19540 /20:25315 /21:25593 /22:33898 /23:32548 /24:184900
/25:369 /26:348 /27:170 /28:307 /29:189 /30:663
/31:54 /32:627

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

ASN No of nets Total ann. Description
6389 2268 3677 bellsouth.net, inc.
18566 1503 1524 Covad Communications
6478 1499 1545 AT&T Worldnet Services
4323 1391 2584 Time Warner Telecom
10620 1275 1384 TVCABLE BOGOTA
11492 1270 1313 Cable One
7011 1064 1164 Citizens Utilities
1785 1055 1794 AppliedTheory Corporation
6503 962 1184 AVANTEL, S.A.
19262 941 1831 Verizon Global Networks

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

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

1:270 2:77 4:18 5:1 8:342 12:2030
13:1 14:429 15:15 16:3 17:8 20:9
23:3 24:1531 27:610 31:2 32:127 33:4
34:2 36:2 37:1 38:712 39:1 40:101
41:2310 42:13 44:3 46:711 47:4 49:163
50:201 52:13 55:2 56:2 57:43 58:861
59:497 60:386 61:1138 62:1052 63:1928 64:3889
65:2354 66:4346 67:1798 68:1228 69:2994 70:748
71:405 72:2040 73:3 74:2404 75:297 76:351
77:848 78:703 79:459 80:1110 81:826 82:529
83:473 84:658 85:1065 86:565 87:786 88:352
89:1602 90:175 91:3626 92:490 93:1051 94:1235
95:798 96:471 97:251 98:811 99:34 101:63
106:1 107:4 108:129 109:916 110:474 111:717
112:320 113:371 114:497 115:709 116:976 117:670
118:716 119:1036 120:260 121:756 122:1615 123:1043
124:1320 125:1262 128:268 129:171 130:171 131:560
132:109 133:20 134:218 135:49 136:212 137:145
138:299 139:124 140:479 141:203 142:378 143:376
144:491 145:52 146:408 147:206 148:637 149:265
150:162 151:229 152:298 153:180 154:3 155:376
156:179 157:345 158:131 159:372 160:312 161:213
162:277 163:160 164:487 165:369 166:496 167:410
168:728 169:159 170:761 171:69 172:2 173:1275
174:523 175:325 177:35 178:808 180:812 181:4
182:388 183:243 184:298 186:1042 187:837 188:922
189:1032 190:4710 192:5793 193:4812 194:3541 195:3088
196:1215 197:4 198:3594 199:3872 200:5595 201:1588
202:8458 203:8506 204:4110 205:2308 206:2667 207:3053
208:3916 209:3488 210:2693 211:1355 212:1996 213:1771
214:758 215:63 216:4866 217:1663 218:558 219:381
220:1202 221:474 222:343 223:100

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 13 Mar, 2011

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

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

BGP routing table entries examined: 345160
Prefixes after maximum aggregation: 156864
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 172827
Total ASes present in the Internet Routing Table: 35883
Prefixes per ASN: 9.62
Origin-only ASes present in the Internet Routing Table: 31041
Origin ASes announcing only one prefix: 14951
Transit ASes present in the Internet Routing Table: 4842
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (32374) 19
Prefixes from unregistered ASNs in the Routing Table: 1372
Unregistered ASNs in the Routing Table: 301
Number of 32-bit ASNs allocated by the RIRs: 1193
Prefixes from 32-bit ASNs in the Routing Table: 1848
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 244
Number of addresses announced to Internet: 2484273664
Equivalent to 148 /8s, 19 /16s and 2 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.1
Total number of prefixes smaller than registry allocations: 141682

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

Prefixes being announced by APNIC Region ASes: 83003
Total APNIC prefixes after maximum aggregation: 28294
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 80617
Unique aggregates announced from the APNIC address blocks: 36120
APNIC Region origin ASes present in the Internet Routing Table: 4283
APNIC Prefixes per ASN: 18.82
APNIC Region origin ASes announcing only one prefix: 1205
APNIC Region transit ASes present in the Internet Routing Table: 652
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 594682112
Equivalent to 35 /8s, 114 /16s and 33 /24s
Percentage of available APNIC address space announced: 75.4

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

Prefixes being announced by ARIN Region ASes: 137284
Total ARIN prefixes after maximum aggregation: 70155
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 110028
Unique aggregates announced from the ARIN address blocks: 44970
ARIN Region origin ASes present in the Internet Routing Table: 14161
ARIN Prefixes per ASN: 7.77
ARIN Region origin ASes announcing only one prefix: 5400
ARIN Region transit ASes present in the Internet Routing Table: 1393
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 796404736
Equivalent to 47 /8s, 120 /16s and 44 /24s
Percentage of available ARIN address space announced: 63.3

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

Prefixes being announced by RIPE Region ASes: 83196
Total RIPE prefixes after maximum aggregation: 47142
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 76482
Unique aggregates announced from the RIPE address blocks: 49937
RIPE Region origin ASes present in the Internet Routing Table: 15409
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 7777
RIPE Region transit ASes present in the Internet Routing Table: 2399
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 481233152
Equivalent to 28 /8s, 175 /16s and 9 /24s
Percentage of available RIPE address space announced: 77.5

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

Prefixes being announced by LACNIC Region ASes: 31680
Total LACNIC prefixes after maximum aggregation: 7265
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 30728
Unique aggregates announced from the LACNIC address blocks: 16134
LACNIC Region origin ASes present in the Internet Routing Table: 1423
LACNIC Prefixes per ASN: 21.59
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 248
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 81339904
Equivalent to 4 /8s, 217 /16s and 38 /24s
Percentage of available LACNIC address space announced: 53.9

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: 7494
Total AfriNIC prefixes after maximum aggregation: 1824
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 5884
Unique aggregates announced from the AfriNIC address blocks: 1851
AfriNIC Region origin ASes present in the Internet Routing Table: 435
AfriNIC Prefixes per ASN: 13.53
AfriNIC Region origin ASes announcing only one prefix: 130
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 22064640
Equivalent to 1 /8s, 80 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 32.9

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 1862 9500 589 Korea Telecom (KIX)
7545 1578 301 84 TPG Internet Pty Ltd
4755 1463 653 156 TATA Communications formerly
17974 1406 460 30 PT Telekomunikasi Indonesia
24560 1122 324 186 Bharti Airtel Ltd., Telemedia
9583 1047 76 487 Sify Limited
9829 1005 868 53 National Internet Backbone
17488 943 162 96 Hathway IP Over Cable Interne
4808 938 2032 271 CNCGROUP IP network China169
18101 935 117 141 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 3678 3839 260 BellSouth.net Inc.
4323 2583 1125 404 tw telecom holdings, inc.
19262 1830 4953 282 Verizon Online LLC
1785 1794 681 131 PaeTec Communications, Inc.
6478 1545 299 72 AT&T Services, Inc.
20115 1526 1534 650 Charter Communications
18566 1520 325 178 Covad Communications Co.
7018 1381 6868 902 AT&T Services, Inc.
11492 1313 237 64 CABLE ONE, INC.
2386 1297 538 936 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 542 328 31 Goldenlines main autonomous s
6830 513 1780 317 UPC Broadband
9198 470 267 15 Kazakhtelecom Data Network Ad
34984 451 95 201 BILISIM TELEKOM
3292 450 1996 389 TDC Data Networks
8866 444 133 24 Bulgarian Telecommunication C
20940 415 98 319 Akamai Technologies European
3320 407 7604 353 Deutsche Telekom AG
8551 405 355 38 Bezeq International
12479 400 577 6 France Telecom Espana SA

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 1384 258 163 Types of queries are: POCs, o
8151 1222 2681 361 Uninet S.A. de C.V.
28573 1220 963 83 Types of queries are: POCs, o
6503 1171 354 73 Axtel, S.A.B. de C.V.
7303 897 463 134 Telecom Argentina S.A.
14420 634 51 88 CORPORACION NACIONAL DE TELEC
22047 541 310 15 Types of queries are: POCs, o
3816 513 224 99 Types of queries are: POCs, o
11172 487 99 83 Alestra, S. de R.L. de C.V.
7738 479 922 30 Telecomunicacoes da Bahia 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
8452 791 445 11 TEDATA
24863 767 147 37 LINKdotNET AS number
15475 420 90 8 Nile Online
36992 300 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 228 78 10 RAYA Telecom - Egypt
6713 204 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 139 422 85 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 3678 3839 260 BellSouth.net Inc.
4323 2583 1125 404 tw telecom holdings, inc.
4766 1862 9500 589 Korea Telecom (KIX)
23456 1848 473 1042 32-bit ASN transition
19262 1830 4953 282 Verizon Online LLC
1785 1794 681 131 PaeTec Communications, Inc.
7545 1578 301 84 TPG Internet Pty Ltd
6478 1545 299 72 AT&T Services, Inc.
20115 1526 1534 650 Charter Communications
18566 1520 325 178 Covad Communications Co.

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

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

ASN No of nets Net Savings Description
4323 2583 2179 tw telecom holdings, inc.
1785 1794 1663 PaeTec Communications, Inc.
19262 1830 1548 Verizon Online LLC
7545 1578 1494 TPG Internet Pty Ltd
6478 1545 1473 AT&T Services, Inc.
17974 1406 1376 PT Telekomunikasi Indonesia
18566 1520 1342 Covad Communications Co.
4755 1463 1307 TATA Communications formerly
4766 1862 1273 Korea Telecom (KIX)
11492 1313 1249 CABLE ONE, 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
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T Services, Inc.
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.

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 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut

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

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

Network Origin AS Description
1.5.0.0/16 38639 for assignment to JPNIC membe
1.6.0.0/15 38639 for assignment to JPNIC membe
1.8.0.0/16 38639 for assignment to JPNIC membe
1.20.0.0/16 38639 for assignment to JPNIC membe
1.32.0.0/16 38639 for assignment to JPNIC membe
1.37.0.0/16 38639 for assignment to JPNIC membe
1.187.0.0/16 38639 for assignment to JPNIC membe
14.0.0.0/24 38639 for assignment to JPNIC membe
14.0.1.0/24 38639 for assignment to JPNIC membe
14.0.2.0/23 38639 for assignment to JPNIC membe

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 /8:25 /9:11 /10:26 /11:73 /12:217
/13:445 /14:766 /15:1369 /16:11528 /17:5637 /18:9313
/19:19094 /20:24634 /21:25121 /22:33376 /23:31764 /24:181320
/25:11 /26:17 /27:23 /28:150 /29:92 /30:47
/31:0 /32:101

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

ASN No of nets Total ann. Description
6389 2268 3678 BellSouth.net Inc.
6478 1499 1545 AT&T Services, Inc.
18566 1499 1520 Covad Communications Co.
4323 1389 2583 tw telecom holdings, inc.
10620 1275 1384 Types of queries are: POCs, o
11492 1270 1313 CABLE ONE, INC.
7011 1064 1164 Frontier Communications of Am
1785 1055 1794 PaeTec Communications, Inc.
23456 1043 1848 32-bit ASN transition
6503 950 1171 Axtel, S.A.B. de C.V.

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

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

1:270 2:60 4:14 5:1 8:340 12:2024
13:1 14:405 15:15 16:3 17:8 20:9
23:3 24:1514 27:604 31:2 32:56 33:4
34:2 36:2 37:1 38:706 39:1 40:101
41:2306 42:13 44:3 46:706 47:4 49:159
50:201 52:13 55:2 56:2 57:29 58:756
59:491 60:384 61:1036 62:1015 63:1916 64:3836
65:2344 66:4328 67:1772 68:1070 69:2888 70:702
71:399 72:2009 73:1 74:2345 75:283 76:343
77:840 78:699 79:448 80:1098 81:820 82:520
83:465 84:644 85:1045 86:561 87:765 88:350
89:1570 90:175 91:3613 92:489 93:1039 94:1216
95:782 96:466 97:251 98:803 99:34 101:57
106:1 107:4 108:129 109:902 110:473 111:709
112:310 113:369 114:476 115:702 116:938 117:655
118:704 119:1033 120:254 121:729 122:1609 123:1036
124:1284 125:1260 128:215 129:162 130:165 131:556
132:97 133:20 134:209 135:49 136:209 137:142
138:298 139:108 140:456 141:203 142:360 143:373
144:485 145:52 146:419 147:195 148:619 149:264
150:155 151:229 152:296 153:180 154:2 155:376
156:176 157:315 158:131 159:365 160:312 161:203
162:276 163:150 164:486 165:348 166:496 167:410
168:723 169:155 170:756 171:69 172:2 173:1263
174:519 175:323 177:35 178:803 180:799 181:4
182:373 183:242 184:233 186:1044 187:835 188:921
189:1032 190:4687 192:5713 193:4778 194:3487 195:2947
196:1203 197:4 198:3500 199:3830 200:5567 201:1570
202:8041 203:8366 204:4022 205:2280 206:2551 207:2976
208:3895 209:3452 210:2639 211:1345 212:1957 213:1715
214:758 215:63 216:4820 217:1654 218:546 219:378
220:1191 221:453 222:313 223:97

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 13 Mar, 2011

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

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

BGP routing table entries examined: 350192
Prefixes after maximum aggregation: 157849
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 172985
Total ASes present in the Internet Routing Table: 36037
Prefixes per ASN: 9.72
Origin-only ASes present in the Internet Routing Table: 31064
Origin ASes announcing only one prefix: 14935
Transit ASes present in the Internet Routing Table: 4973
Transit-only ASes present in the Internet Routing Table: 125
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 398
Unregistered ASNs in the Routing Table: 181
Number of 32-bit ASNs allocated by the RIRs: 1193
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 247
Number of addresses announced to Internet: 2467902240
Equivalent to 147 /8s, 25 /16s and 51 /24s
Percentage of available address space announced: 66.6
Percentage of allocated address space announced: 66.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.1
Total number of prefixes smaller than registry allocations: 145242

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

Prefixes being announced by APNIC Region ASes: 87171
Total APNIC prefixes after maximum aggregation: 29735
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 83974
Unique aggregates announced from the APNIC address blocks: 36256
APNIC Region origin ASes present in the Internet Routing Table: 4340
APNIC Prefixes per ASN: 19.35
APNIC Region origin ASes announcing only one prefix: 1192
APNIC Region transit ASes present in the Internet Routing Table: 688
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 595588896
Equivalent to 35 /8s, 127 /16s and 247 /24s
Percentage of available APNIC address space announced: 75.5

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

Prefixes being announced by ARIN Region ASes: 140417
Total ARIN prefixes after maximum aggregation: 71682
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 110981
Unique aggregates announced from the ARIN address blocks: 44993
ARIN Region origin ASes present in the Internet Routing Table: 14245
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5417
ARIN Region transit ASes present in the Internet Routing Table: 1474
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 796438272
Equivalent to 47 /8s, 120 /16s and 175 /24s
Percentage of available ARIN address space announced: 63.3

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

Prefixes being announced by RIPE Region ASes: 82800
Total RIPE prefixes after maximum aggregation: 47137
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 76098
Unique aggregates announced from the RIPE address blocks: 49896
RIPE Region origin ASes present in the Internet Routing Table: 15402
RIPE Prefixes per ASN: 4.94
RIPE Region origin ASes announcing only one prefix: 7768
RIPE Region transit ASes present in the Internet Routing Table: 2403
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 481156608
Equivalent to 28 /8s, 173 /16s and 222 /24s
Percentage of available RIPE address space announced: 77.5

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

Prefixes being announced by LACNIC Region ASes: 32080
Total LACNIC prefixes after maximum aggregation: 7382
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 30961
Unique aggregates announced from the LACNIC address blocks: 16122
LACNIC Region origin ASes present in the Internet Routing Table: 1435
LACNIC Prefixes per ASN: 21.58
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 261
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 81409408
Equivalent to 4 /8s, 218 /16s and 53 /24s
Percentage of available LACNIC address space announced: 53.9

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: 7515
Total AfriNIC prefixes after maximum aggregation: 1810
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 5906
Unique aggregates announced from the AfriNIC address blocks: 1852
AfriNIC Region origin ASes present in the Internet Routing Table: 434
AfriNIC Prefixes per ASN: 13.61
AfriNIC Region origin ASes announcing only one prefix: 128
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 22053120
Equivalent to 1 /8s, 80 /16s and 129 /24s
Percentage of available AfriNIC address space announced: 32.9

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 2419 9508 892 Korea Telecom (KIX)
7545 1594 301 84 TPG Internet Pty Ltd
4755 1470 653 157 TATA Communications formerly
17974 1407 468 29 PT TELEKOMUNIKASI INDONESIA
24560 1122 324 186 Bharti Airtel Ltd., Telemedia
9583 1048 77 488 Sify Limited
4808 1046 2142 294 CNCGROUP IP network: China169
9829 1000 866 56 BSNL National Internet Backbo
17488 945 162 96 Hathway IP Over Cable Interne
18101 938 117 144 Reliance Infocom Ltd Internet

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 3677 3839 259 bellsouth.net, inc.
4323 2584 1109 403 Time Warner Telecom
19262 1830 4953 282 Verizon Global Networks
1785 1791 681 131 PaeTec Communications, Inc.
6478 1545 299 72 AT&T Worldnet Services
20115 1526 1534 650 Charter Communications
18566 1524 326 180 Covad Communications
7018 1366 6706 887 AT&T WorldNet Services
11492 1313 237 64 Cable One
2386 1295 537 935 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
6830 515 1780 318 UPC Distribution Services
9198 470 267 15 Kazakhtelecom Data Network Ad
3292 450 1996 389 TDC Tele Danmark
34984 450 95 201 BILISIM TELEKOM
8866 444 133 24 Bulgarian Telecommunication C
20940 411 98 314 Akamai Technologies European
3320 408 7604 354 Deutsche Telekom AG
8551 403 353 46 Bezeq International
12479 402 577 6 Uni2 Autonomous System
8402 397 320 11 Corbina telecom

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 1384 258 163 TVCABLE BOGOTA
8151 1242 2700 368 UniNet S.A. de C.V.
28573 1237 963 83 NET Servicos de Comunicao S.A
6503 1180 354 73 AVANTEL, S.A.
7303 919 464 148 Telecom Argentina Stet-France
14420 634 51 88 CORPORACION NACIONAL DE TELEC
22047 541 310 15 VTR PUNTO NET S.A.
3816 513 225 97 Empresa Nacional de Telecomun
11172 487 83 82 Servicios Alestra S.A de C.V
7738 479 922 30 Telecomunicacoes da Bahia 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
8452 793 445 11 TEDATA
24863 770 147 39 LINKdotNET AS number
15475 417 90 8 Nile Online
36992 300 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 228 78 10 RAYA Telecom - Egypt
6713 204 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 140 422 85 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 3677 3839 259 bellsouth.net, inc.
4323 2584 1109 403 Time Warner Telecom
4766 2419 9508 892 Korea Telecom (KIX)
19262 1830 4953 282 Verizon Global Networks
1785 1791 681 131 PaeTec Communications, Inc.
7545 1594 301 84 TPG Internet Pty Ltd
6478 1545 299 72 AT&T Worldnet Services
20115 1526 1534 650 Charter Communications
18566 1524 326 180 Covad Communications
4755 1470 653 157 TATA Communications formerly

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

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

ASN No of nets Net Savings Description
4323 2584 2181 Time Warner Telecom
1785 1791 1660 PaeTec Communications, Inc.
19262 1830 1548 Verizon Global Networks
4766 2419 1527 Korea Telecom (KIX)
7545 1594 1510 TPG Internet Pty Ltd
6478 1545 1473 AT&T Worldnet Services
17974 1407 1378 PT TELEKOMUNIKASI INDONESIA
18566 1524 1344 Covad Communications
4755 1470 1313 TATA Communications formerly
11492 1313 1249 Cable One

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
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 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

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 /8:24 /9:11 /10:26 /11:73 /12:216
/13:447 /14:768 /15:1371 /16:11560 /17:5675 /18:9354
/19:19031 /20:24623 /21:25210 /22:33487 /23:32017 /24:183056
/25:1134 /26:1329 /27:720 /28:42 /29:9 /30:3
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2268 3677 bellsouth.net, inc.
18566 1503 1524 Covad Communications
6478 1499 1545 AT&T Worldnet Services
4323 1391 2584 Time Warner Telecom
10620 1275 1384 TVCABLE BOGOTA
11492 1270 1313 Cable One
7011 1064 1164 Citizens Utilities
1785 1055 1791 PaeTec Communications, Inc.
6503 958 1180 AVANTEL, S.A.
19262 941 1830 Verizon Global Networks

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

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

1:270 2:60 4:14 5:1 8:341 12:2027
13:1 14:429 15:15 16:3 17:8 20:9
23:3 24:1516 27:611 31:2 32:60 33:4
34:2 36:2 37:1 38:710 39:1 40:101
41:2309 42:13 44:3 46:706 47:4 49:164
50:201 52:13 55:2 56:2 57:32 58:860
59:495 60:386 61:1136 62:1014 63:1923 64:3869
65:2349 66:4339 67:1774 68:1062 69:2889 70:703
71:399 72:2009 73:1 74:2349 75:283 76:342
77:840 78:699 79:446 80:1099 81:819 82:516
83:463 84:644 85:1044 86:561 87:752 88:350
89:1568 90:175 91:3611 92:489 93:1039 94:1214
95:782 96:471 97:251 98:804 99:34 101:61
106:1 107:4 108:129 109:902 110:474 111:717
112:320 113:369 114:497 115:709 116:951 117:675
118:716 119:1030 120:256 121:756 122:1615 123:1042
124:1297 125:1262 128:267 129:168 130:171 131:560
132:109 133:20 134:216 135:49 136:212 137:138
138:298 139:110 140:479 141:203 142:377 143:377
144:491 145:52 146:423 147:195 148:636 149:265
150:163 151:229 152:298 153:180 154:3 155:376
156:179 157:344 158:131 159:372 160:312 161:213
162:277 163:160 164:486 165:351 166:496 167:410
168:728 169:156 170:761 171:69 172:2 173:1263
174:519 175:325 177:35 178:803 180:812 181:4
182:384 183:243 184:233 186:1045 187:832 188:918
189:1032 190:4703 192:5763 193:4784 194:3489 195:2945
196:1207 197:4 198:3578 199:3865 200:5588 201:1585
202:8299 203:8484 204:4102 205:2301 206:2653 207:3054
208:3901 209:3482 210:2686 211:1353 212:1932 213:1718
214:759 215:63 216:4845 217:1653 218:554 219:381
220:1199 221:472 222:318 223:100

End of report
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Friday, March 11, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 12 Mar, 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: 354417
Prefixes after maximum aggregation: 158986
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 172832
Total ASes present in the Internet Routing Table: 36069
Prefixes per ASN: 9.83
Origin-only ASes present in the Internet Routing Table: 31176
Origin ASes announcing only one prefix: 14908
Transit ASes present in the Internet Routing Table: 4893
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 486
Unregistered ASNs in the Routing Table: 213
Number of 32-bit ASNs allocated by the RIRs: 1191
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 74
Prefixes being announced from unallocated address space: 261
Number of addresses announced to Internet: 2467592875
Equivalent to 147 /8s, 20 /16s and 122 /24s
Percentage of available address space announced: 66.6
Percentage of allocated address space announced: 66.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.1
Total number of prefixes smaller than registry allocations: 146532

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

Prefixes being announced by APNIC Region ASes: 85367
Total APNIC prefixes after maximum aggregation: 28523
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 82298
Unique aggregates announced from the APNIC address blocks: 36246
APNIC Region origin ASes present in the Internet Routing Table: 4329
APNIC Prefixes per ASN: 19.01
APNIC Region origin ASes announcing only one prefix: 1210
APNIC Region transit ASes present in the Internet Routing Table: 678
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 595491265
Equivalent to 35 /8s, 126 /16s and 121 /24s
Percentage of available APNIC address space announced: 75.5

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

Prefixes being announced by ARIN Region ASes: 143274
Total ARIN prefixes after maximum aggregation: 73655
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 113528
Unique aggregates announced from the ARIN address blocks: 44923
ARIN Region origin ASes present in the Internet Routing Table: 14257
ARIN Prefixes per ASN: 7.96
ARIN Region origin ASes announcing only one prefix: 5399
ARIN Region transit ASes present in the Internet Routing Table: 1446
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 796454552
Equivalent to 47 /8s, 120 /16s and 238 /24s
Percentage of available ARIN address space announced: 63.3

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

Prefixes being announced by RIPE Region ASes: 85890
Total RIPE prefixes after maximum aggregation: 47486
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 78369
Unique aggregates announced from the RIPE address blocks: 49797
RIPE Region origin ASes present in the Internet Routing Table: 15435
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7737
RIPE Region transit ASes present in the Internet Routing Table: 2364
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 481361452
Equivalent to 28 /8s, 176 /16s and 254 /24s
Percentage of available RIPE address space announced: 77.5

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

Prefixes being announced by LACNIC Region ASes: 32185
Total LACNIC prefixes after maximum aggregation: 7413
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 31073
Unique aggregates announced from the LACNIC address blocks: 16138
LACNIC Region origin ASes present in the Internet Routing Table: 1437
LACNIC Prefixes per ASN: 21.62
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 260
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 81425804
Equivalent to 4 /8s, 218 /16s and 117 /24s
Percentage of available LACNIC address space announced: 53.9

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: 7437
Total AfriNIC prefixes after maximum aggregation: 1805
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 5828
Unique aggregates announced from the AfriNIC address blocks: 1789
AfriNIC Region origin ASes present in the Internet Routing Table: 434
AfriNIC Prefixes per ASN: 13.43
AfriNIC Region origin ASes announcing only one prefix: 129
AfriNIC Region transit ASes present in the Internet Routing Table: 96
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 22003200
Equivalent to 1 /8s, 79 /16s and 190 /24s
Percentage of available AfriNIC address space announced: 32.8

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 1863 9500 588 Korea Telecom (KIX)
7545 1577 301 83 TPG Internet Pty Ltd
4755 1470 393 154 Videsh Sanchar Nigam Ltd. Aut
17974 1413 468 29 PT TELEKOMUNIKASI INDONESIA
24560 1120 324 186 Bharti Airtel Ltd.
9583 1047 76 487 Sify Limited
9829 1004 868 53 BSNL National Internet Backbo
4808 995 2068 281 CNCGROUP IP network: China169
17488 958 160 101 Hathway IP Over Cable Interne
18101 933 117 140 Reliance Infocom Ltd Internet

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 3680 3839 259 bellsouth.net, inc.
4323 2585 1125 404 Time Warner Telecom
19262 1831 4953 283 Verizon Global Networks
1785 1794 681 131 AppliedTheory Corporation
20115 1577 1537 650 Charter Communications
6478 1538 298 75 AT&T Worldnet Services
18566 1524 326 180 Covad Communications
7018 1367 6737 889 AT&T WorldNet Services
11492 1313 237 64 Cable One
2386 1297 538 936 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 1013 796 167 KPNQwest Backbone AS
9116 545 328 32 Goldenlines main autonomous s
6830 516 1780 318 UPC Distribution Services
3292 505 1996 390 TDC Tele Danmark
9198 470 267 15 Kazakhtelecom Corporate Sales
34984 450 95 201 Tellcom Iletisim Hizmetleri
8866 444 133 23 Bulgarian Telecommunication C
8402 420 320 32 Corbina telecom
20940 414 97 319 Akamai Technologies European
3320 406 7604 352 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 1384 258 163 TVCABLE BOGOTA
8151 1365 2681 364 Uninet S.A. de C.V.
28573 1237 963 83 Types of queries are: POCs, o
6503 1184 354 74 AVANTEL, S.A.
7303 918 464 149 Telecom Argentina Stet-France
14420 634 51 88 Types of queries are: POCs, o
22047 541 310 15 Types of queries are: POCs, o
3816 515 225 96 COLOMBIA TELECOMUNICACIONES S
11172 489 99 83 Alestra
7738 479 922 30 Telecomunicacoes da Bahia 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
8452 794 445 11 TEDATA
24863 770 147 39 LINKdotNET AS number
15475 423 90 8 Nile Online
36992 300 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
24835 230 78 10 RAYA Telecom - Egypt
33776 230 13 5 Starcomms Nigeria Limited
6713 204 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 144 422 86 Johnnic e-Ventures

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 3680 3839 259 bellsouth.net, inc.
4323 2585 1125 404 Time Warner Telecom
4766 1863 9500 588 Korea Telecom (KIX)
19262 1831 4953 283 Verizon Global Networks
1785 1794 681 131 AppliedTheory Corporation
7545 1577 301 83 TPG Internet Pty Ltd
20115 1577 1537 650 Charter Communications
6478 1538 298 75 AT&T Worldnet Services
18566 1524 326 180 Covad Communications
4755 1470 393 154 Videsh Sanchar Nigam Ltd. Aut

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

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

ASN No of nets Net Savings Description
4323 2585 2181 Time Warner Telecom
1785 1794 1663 AppliedTheory Corporation
19262 1831 1548 Verizon Global Networks
7545 1577 1494 TPG Internet Pty Ltd
6478 1538 1463 AT&T Worldnet Services
17974 1413 1384 PT TELEKOMUNIKASI INDONESIA
18566 1524 1344 Covad Communications
4755 1470 1316 Videsh Sanchar Nigam Ltd. Aut
4766 1863 1275 Korea Telecom (KIX)
11492 1313 1249 Cable One

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
13746 UNALLOCATED 12.24.56.0/24 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

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 /8:24 /9:11 /10:26 /11:74 /12:217
/13:447 /14:773 /15:1399 /16:11664 /17:5902 /18:9667
/19:19533 /20:25327 /21:25589 /22:33871 /23:32558 /24:184612
/25:372 /26:345 /27:169 /28:306 /29:188 /30:663
/31:54 /32:626

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

ASN No of nets Total ann. Description
6389 2271 3680 bellsouth.net, inc.
18566 1502 1524 Covad Communications
6478 1492 1538 AT&T Worldnet Services
4323 1391 2585 Time Warner Telecom
10620 1275 1384 TVCABLE BOGOTA
11492 1270 1313 Cable One
7011 1063 1163 Citizens Utilities
1785 1055 1794 AppliedTheory Corporation
6503 961 1184 AVANTEL, S.A.
19262 941 1831 Verizon Global Networks

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

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

1:270 2:75 4:18 5:1 8:341 12:2030
13:1 14:429 15:15 16:3 17:8 20:9
23:3 24:1531 27:606 31:2 32:127 33:4
34:2 36:2 37:1 38:715 39:1 40:101
41:2245 42:13 44:3 46:709 47:4 49:164
50:200 52:13 55:2 56:2 57:43 58:860
59:497 60:386 61:1135 62:1051 63:1931 64:3893
65:2353 66:4351 67:1801 68:1221 69:2993 70:748
71:405 72:2039 73:3 74:2408 75:297 76:351
77:848 78:703 79:458 80:1103 81:822 82:528
83:473 84:658 85:1065 86:574 87:769 88:350
89:1601 90:175 91:3615 92:489 93:1055 94:1237
95:793 96:471 97:251 98:812 99:34 101:62
106:1 107:4 108:129 109:912 110:477 111:720
112:320 113:384 114:496 115:711 116:976 117:678
118:700 119:1030 120:260 121:755 122:1615 123:1034
124:1320 125:1264 128:268 129:171 130:171 131:556
132:110 133:20 134:222 135:49 136:212 137:145
138:298 139:124 140:486 141:203 142:378 143:377
144:491 145:52 146:417 147:205 148:635 149:265
150:162 151:229 152:298 153:180 154:3 155:377
156:179 157:346 158:131 159:369 160:312 161:213
162:277 163:160 164:487 165:369 166:498 167:410
168:728 169:159 170:759 171:69 172:2 173:1270
174:521 175:327 177:35 178:809 180:813 181:4
182:388 183:243 184:297 186:1049 187:834 188:920
189:1031 190:4628 192:5777 193:4804 194:3539 195:3091
196:1199 197:4 198:3592 199:3857 200:5576 201:1585
202:8458 203:8505 204:4107 205:2279 206:2666 207:3069
208:3924 209:3486 210:2694 211:1350 212:1985 213:1772
214:743 215:63 216:4869 217:1664 218:558 219:383
220:1202 221:478 222:343 223:101

End of report
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