BGP Routing: 2011-01-02

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, January 8, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sun 09 Jan, 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: 345464
Prefixes after maximum aggregation: 155586
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 168132
Total ASes present in the Internet Routing Table: 35655
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 30680
Origin ASes announcing only one prefix: 14914
Transit ASes present in the Internet Routing Table: 4975
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 429
Unregistered ASNs in the Routing Table: 169
Number of 32-bit ASNs allocated by the RIRs: 998
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 75
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2432030477
Equivalent to 144 /8s, 245 /16s and 215 /24s
Percentage of available address space announced: 65.6
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 87.2
Total number of prefixes smaller than registry allocations: 141949

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

Prefixes being announced by APNIC Region ASes: 82756
Total APNIC prefixes after maximum aggregation: 27836
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 79742
Unique aggregates announced from the APNIC address blocks: 35321
APNIC Region origin ASes present in the Internet Routing Table: 4274
APNIC Prefixes per ASN: 18.66
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 679
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 578582466
Equivalent to 34 /8s, 124 /16s and 119 /24s
Percentage of available APNIC address space announced: 78.4

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, 42/8, 43/8, 49/8,
58/8, 59/8, 60/8, 61/8, 101/8, 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: 140403
Total ARIN prefixes after maximum aggregation: 72419
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 111268
Unique aggregates announced from the ARIN address blocks: 44139
ARIN Region origin ASes present in the Internet Routing Table: 14133
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5397
ARIN Region transit ASes present in the Internet Routing Table: 1482
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 778114697
Equivalent to 46 /8s, 97 /16s and 22 /24s
Percentage of available ARIN address space announced: 65.3

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, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 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,
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: 83356
Total RIPE prefixes after maximum aggregation: 46040
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 75983
Unique aggregates announced from the RIPE address blocks: 47690
RIPE Region origin ASes present in the Internet Routing Table: 15205
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7713
RIPE Region transit ASes present in the Internet Routing Table: 2395
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 454254229
Equivalent to 27 /8s, 19 /16s and 94 /24s
Percentage of available RIPE address space announced: 75.2

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, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,

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

Prefixes being announced by LACNIC Region ASes: 31247
Total LACNIC prefixes after maximum aggregation: 7220
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 30041
Unique aggregates announced from the LACNIC address blocks: 15592
LACNIC Region origin ASes present in the Internet Routing Table: 1423
LACNIC Prefixes per ASN: 21.11
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 259
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 78846348
Equivalent to 4 /8s, 179 /16s and 25 /24s
Percentage of available LACNIC address space announced: 58.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 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: 7449
Total AfriNIC prefixes after maximum aggregation: 1950
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 5726
Unique aggregates announced from the AfriNIC address blocks: 1825
AfriNIC Region origin ASes present in the Internet Routing Table: 436
AfriNIC Prefixes per ASN: 13.13
AfriNIC Region origin ASes announcing only one prefix: 140
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: 33
Number of AfriNIC addresses announced to Internet: 21679104
Equivalent to 1 /8s, 74 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 43.1

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1743 9483 512 Korea Telecom (KIX)
7545 1558 299 75 TPG Internet Pty Ltd
17974 1402 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1392 632 157 Videsh Sanchar Nigam Ltd. Aut
24560 1060 317 180 Bharti Airtel Ltd.
9583 1041 76 489 Sify Limited
17488 958 159 109 Hathway IP Over Cable Interne
18101 911 116 137 Reliance Infocom Ltd Internet
4808 893 1925 248 CNCGROUP IP network: China169
9829 850 719 44 BSNL National Internet Backbo

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 3717 3855 266 bellsouth.net, inc.
4323 2642 1077 401 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
20115 1557 1533 637 Charter Communications
6478 1443 287 78 AT&T Worldnet Services
7018 1368 5659 884 AT&T WorldNet Services
2386 1288 569 923 AT&T Data Communications Serv
11492 1281 234 73 Cable One
22773 1261 2864 74 Cox Communications, Inc.

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
286 965 710 153 KPNQwest Backbone AS
9116 523 328 32 Goldenlines main autonomous s
3292 503 2010 385 TDC Tele Danmark
6830 502 1763 308 UPC Distribution Services
34984 456 97 137 Tellcom Iletisim Hizmetleri
8866 440 133 23 Bulgarian Telecommunication C
9198 421 202 13 Kazakhtelecom Corporate Sales
8551 404 355 38 Bezeq International
12479 402 577 6 Uni2 Autonomous System
702 398 1865 312 UUNET - Commercial IP service

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
8151 1344 2593 360 Uninet S.A. de C.V.
10620 1344 250 164 TVCABLE BOGOTA
28573 1228 936 80 Types of queries are: POCs, o
6503 1199 355 79 AVANTEL, S.A.
7303 840 443 111 Telecom Argentina Stet-France
14420 593 50 85 Types of queries are: POCs, o
22047 565 310 15 Types of queries are: POCs, o
3816 494 216 98 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 455 33 33 Telefonica del Sur 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 751 445 10 TEDATA
24863 749 147 38 LINKdotNET AS number
36992 663 283 156 Etisalat MISR
3741 262 986 224 The Internet Solution
24835 219 78 10 RAYA Telecom - Egypt
6713 203 199 12 Itissalat Al-MAGHRIB
29571 199 19 11 Ci Telecom Autonomous system
2018 188 277 64 TENET-1
33776 184 12 14 Starcomms Nigeria Limited
16637 164 440 89 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 3717 3855 266 bellsouth.net, inc.
4323 2642 1077 401 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
4766 1743 9483 512 Korea Telecom (KIX)
7545 1558 299 75 TPG Internet Pty Ltd
20115 1557 1533 637 Charter Communications
6478 1443 287 78 AT&T Worldnet Services
17974 1402 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1392 632 157 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 2642 2241 Time Warner Telecom
1785 1786 1653 AppliedTheory Corporation
19262 1841 1555 Verizon Global Networks
7545 1558 1483 TPG Internet Pty Ltd
17974 1402 1374 PT TELEKOMUNIKASI INDONESIA
6478 1443 1365 AT&T Worldnet Services
4755 1392 1235 Videsh Sanchar Nigam Ltd. Aut
4766 1743 1231 Korea Telecom (KIX)
11492 1281 1208 Cable One
22773 1261 1187 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
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
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

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
5.0.0.0/16 12654 RIPE NCC RIS Project
5.0.0.0/8 237 Merit Network
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.0.0.0/8 237 Merit Network
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
36.126.8.255/8 53631 Ottawa Catholic School Board

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 /8:26 /9:10 /10:25 /11:71 /12:214
/13:435 /14:761 /15:1378 /16:11536 /17:5782 /18:9536
/19:19251 /20:24785 /21:24749 /22:32522 /23:31721 /24:179761
/25:341 /26:366 /27:190 /28:361 /29:298 /30:681
/31:45 /32:619

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

ASN No of nets Total ann. Description
6389 2295 3717 bellsouth.net, inc.
4323 1428 2642 Time Warner Telecom
6478 1399 1443 AT&T Worldnet Services
10620 1236 1344 TVCABLE BOGOTA
11492 1236 1281 Cable One
18566 1076 1095 Covad Communications
7011 1072 1175 Citizens Utilities
1785 1060 1786 AppliedTheory Corporation
6503 984 1199 AVANTEL, S.A.
19262 956 1841 Verizon Global Networks

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

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

1:157 2:37 4:16 5:1 8:325 12:2023
13:6 14:284 15:15 16:3 17:8 20:9
24:1486 27:534 32:137 33:5 34:2 36:1
37:1 38:687 40:101 41:2261 42:1 44:3
46:479 47:5 49:132 50:42 52:12 55:6
56:2 57:41 58:864 59:500 60:385 61:1102
62:1076 63:1935 64:3759 65:2335 66:4123 67:1795
68:1151 69:2954 70:757 71:389 72:2005 73:3
74:2345 75:300 76:333 77:863 78:693 79:461
80:1043 81:821 82:553 83:458 84:655 85:1064
86:521 87:746 88:351 89:1591 90:152 91:3411
92:483 93:1041 94:1172 95:743 96:411 97:247
98:742 99:33 100:1 101:17 107:3 108:79
109:854 110:465 111:652 112:310 113:364 114:490
115:637 116:889 117:674 118:623 119:1029 120:199
121:704 122:1575 123:1034 124:1248 125:1215 128:232
129:158 130:171 131:566 132:110 133:20 134:214
135:50 136:212 137:145 138:291 139:123 140:484
141:197 142:359 143:364 144:488 145:52 146:426
147:202 148:613 149:300 150:151 151:230 152:297
153:173 154:3 155:363 156:164 157:325 158:127
159:371 160:316 161:196 162:277 163:164 164:461
165:352 166:473 167:420 168:735 169:154 170:729
171:67 172:2 173:1199 174:504 175:306 176:1
177:3 178:715 180:741 182:384 183:257 184:232
186:901 187:764 188:899 189:1043 190:4295 192:5804
193:4822 194:3541 195:3049 196:1266 197:1 198:3548
199:3713 200:5599 201:1567 202:8396 203:8422 204:4056
205:2341 206:2581 207:2979 208:3871 209:3488 210:2603
211:1343 212:1930 213:1771 214:735 215:62 216:4863
217:1631 218:522 219:389 220:1196 221:442 222:322
223:87

End of report
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Friday, January 7, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Sat 08 Jan, 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: 345493
Prefixes after maximum aggregation: 155645
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 168077
Total ASes present in the Internet Routing Table: 35649
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 30690
Origin ASes announcing only one prefix: 14911
Transit ASes present in the Internet Routing Table: 4959
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 408
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 996
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 75
Prefixes being announced from unallocated address space: 215
Number of addresses announced to Internet: 2431894925
Equivalent to 144 /8s, 243 /16s and 197 /24s
Percentage of available address space announced: 65.6
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 87.2
Total number of prefixes smaller than registry allocations: 142028

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

Prefixes being announced by APNIC Region ASes: 82712
Total APNIC prefixes after maximum aggregation: 27878
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 79702
Unique aggregates announced from the APNIC address blocks: 35341
APNIC Region origin ASes present in the Internet Routing Table: 4277
APNIC Prefixes per ASN: 18.64
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 680
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 578513346
Equivalent to 34 /8s, 123 /16s and 105 /24s
Percentage of available APNIC address space announced: 78.4

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

Prefixes being announced by ARIN Region ASes: 140461
Total ARIN prefixes after maximum aggregation: 72443
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 111313
Unique aggregates announced from the ARIN address blocks: 44134
ARIN Region origin ASes present in the Internet Routing Table: 14135
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5399
ARIN Region transit ASes present in the Internet Routing Table: 1462
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 778131081
Equivalent to 46 /8s, 97 /16s and 86 /24s
Percentage of available ARIN address space announced: 65.3

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

Prefixes being announced by RIPE Region ASes: 83330
Total RIPE prefixes after maximum aggregation: 46034
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 75933
Unique aggregates announced from the RIPE address blocks: 47648
RIPE Region origin ASes present in the Internet Routing Table: 15197
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7709
RIPE Region transit ASes present in the Internet Routing Table: 2393
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 454231829
Equivalent to 27 /8s, 19 /16s and 7 /24s
Percentage of available RIPE address space announced: 75.2

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

Prefixes being announced by LACNIC Region ASes: 31289
Total LACNIC prefixes after maximum aggregation: 7221
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 30054
Unique aggregates announced from the LACNIC address blocks: 15586
LACNIC Region origin ASes present in the Internet Routing Table: 1418
LACNIC Prefixes per ASN: 21.19
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 260
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 78853772
Equivalent to 4 /8s, 179 /16s and 54 /24s
Percentage of available LACNIC address space announced: 58.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 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: 7452
Total AfriNIC prefixes after maximum aggregation: 1947
AfriNIC Deaggregation factor: 3.83
Prefixes being announced from the AfriNIC address blocks: 5737
Unique aggregates announced from the AfriNIC address blocks: 1810
AfriNIC Region origin ASes present in the Internet Routing Table: 436
AfriNIC Prefixes per ASN: 13.16
AfriNIC Region origin ASes announcing only one prefix: 140
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: 33
Number of AfriNIC addresses announced to Internet: 21679104
Equivalent to 1 /8s, 74 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 43.1

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1743 9483 512 Korea Telecom (KIX)
7545 1558 299 75 TPG Internet Pty Ltd
17974 1408 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1392 632 157 Videsh Sanchar Nigam Ltd. Aut
24560 1060 317 180 Bharti Airtel Ltd.
9583 1051 79 498 Sify Limited
17488 958 159 109 Hathway IP Over Cable Interne
18101 912 116 138 Reliance Infocom Ltd Internet
4808 905 1968 256 CNCGROUP IP network: China169
9829 844 717 47 BSNL National Internet Backbo

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 3717 3855 266 bellsouth.net, inc.
4323 2641 1077 400 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
20115 1557 1533 637 Charter Communications
6478 1441 287 88 AT&T Worldnet Services
7018 1371 5660 886 AT&T WorldNet Services
2386 1296 569 931 AT&T Data Communications Serv
11492 1283 234 74 Cable One
22773 1261 2864 74 Cox Communications, Inc.

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
286 965 710 153 KPNQwest Backbone AS
9116 523 328 32 Goldenlines main autonomous s
3292 503 2010 385 TDC Tele Danmark
6830 502 1763 308 UPC Distribution Services
34984 456 97 137 Tellcom Iletisim Hizmetleri
8866 440 133 23 Bulgarian Telecommunication C
9198 421 202 13 Kazakhtelecom Corporate Sales
8551 404 355 38 Bezeq International
12479 403 577 6 Uni2 Autonomous System
702 398 1865 312 UUNET - Commercial IP service

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
8151 1406 2609 364 Uninet S.A. de C.V.
10620 1344 250 164 TVCABLE BOGOTA
28573 1226 936 80 Types of queries are: POCs, o
6503 1198 339 78 AVANTEL, S.A.
7303 840 443 111 Telecom Argentina Stet-France
14420 593 50 85 Types of queries are: POCs, o
22047 565 310 15 Types of queries are: POCs, o
3816 494 216 98 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 455 33 33 Telefonica del Sur 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 749 445 10 TEDATA
24863 749 147 38 LINKdotNET AS number
36992 663 283 156 Etisalat MISR
3741 262 986 224 The Internet Solution
24835 219 78 10 RAYA Telecom - Egypt
6713 203 199 12 Itissalat Al-MAGHRIB
29571 199 19 11 Ci Telecom Autonomous system
2018 196 277 64 TENET-1
33776 184 12 14 Starcomms Nigeria Limited
16637 164 440 89 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 3717 3855 266 bellsouth.net, inc.
4323 2641 1077 400 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
4766 1743 9483 512 Korea Telecom (KIX)
7545 1558 299 75 TPG Internet Pty Ltd
20115 1557 1533 637 Charter Communications
6478 1441 287 88 AT&T Worldnet Services
17974 1408 459 28 PT TELEKOMUNIKASI INDONESIA
8151 1406 2609 364 Uninet S.A. de C.V.

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 2641 2241 Time Warner Telecom
1785 1786 1653 AppliedTheory Corporation
19262 1841 1555 Verizon Global Networks
7545 1558 1483 TPG Internet Pty Ltd
17974 1408 1380 PT TELEKOMUNIKASI INDONESIA
6478 1441 1353 AT&T Worldnet Services
4755 1392 1235 Videsh Sanchar Nigam Ltd. Aut
4766 1743 1231 Korea Telecom (KIX)
11492 1283 1209 Cable One
22773 1261 1187 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 /8:25 /9:10 /10:25 /11:71 /12:214
/13:435 /14:761 /15:1377 /16:11535 /17:5783 /18:9537
/19:19249 /20:24779 /21:24744 /22:32534 /23:31714 /24:179756
/25:360 /26:369 /27:193 /28:373 /29:299 /30:681
/31:45 /32:624

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

ASN No of nets Total ann. Description
6389 2295 3717 bellsouth.net, inc.
4323 1428 2641 Time Warner Telecom
6478 1397 1441 AT&T Worldnet Services
11492 1238 1283 Cable One
10620 1236 1344 TVCABLE BOGOTA
18566 1076 1095 Covad Communications
7011 1072 1175 Citizens Utilities
1785 1060 1786 AppliedTheory Corporation
6503 984 1198 AVANTEL, S.A.
19262 956 1841 Verizon Global Networks

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

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

1:157 2:35 4:16 5:1 8:325 12:2029
13:6 14:284 15:15 16:3 17:8 20:9
24:1487 27:531 32:137 33:5 34:2 36:1
37:1 38:687 40:101 41:2266 42:1 44:3
46:471 47:5 49:133 50:42 52:12 55:5
56:2 57:41 58:863 59:500 60:385 61:1102
62:1076 63:1940 64:3763 65:2336 66:4122 67:1795
68:1151 69:2953 70:757 71:389 72:2004 73:3
74:2344 75:300 76:333 77:856 78:692 79:459
80:1046 81:820 82:550 83:457 84:655 85:1063
86:525 87:745 88:351 89:1587 90:152 91:3409
92:483 93:1041 94:1174 95:743 96:411 97:247
98:742 99:33 100:1 101:17 107:3 108:80
109:853 110:466 111:666 112:309 113:364 114:492
115:637 116:889 117:674 118:625 119:1027 120:199
121:704 122:1575 123:1034 124:1236 125:1209 128:231
129:158 130:171 131:567 132:110 133:20 134:214
135:50 136:206 137:145 138:291 139:123 140:485
141:197 142:360 143:365 144:488 145:52 146:426
147:202 148:613 149:300 150:151 151:230 152:297
153:173 154:3 155:370 156:164 157:341 158:127
159:371 160:315 161:196 162:277 163:164 164:461
165:352 166:473 167:420 168:735 169:154 170:729
171:67 172:2 173:1199 174:503 175:306 176:1
177:2 178:683 180:741 182:384 183:257 184:232
186:902 187:822 188:905 189:1040 190:4294 192:5808
193:4821 194:3542 195:3050 196:1266 197:1 198:3548
199:3713 200:5559 201:1566 202:8393 203:8405 204:4062
205:2340 206:2582 207:2980 208:3869 209:3488 210:2606
211:1343 212:1929 213:1771 214:740 215:62 216:4863
217:1629 218:522 219:389 220:1197 221:446 222:322
223:89

End of report
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Thursday, January 6, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Fri 07 Jan, 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: 345317
Prefixes after maximum aggregation: 155590
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 168036
Total ASes present in the Internet Routing Table: 35644
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 30690
Origin ASes announcing only one prefix: 14922
Transit ASes present in the Internet Routing Table: 4954
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 394
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 991
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 75
Prefixes being announced from unallocated address space: 211
Number of addresses announced to Internet: 2429573325
Equivalent to 144 /8s, 208 /16s and 88 /24s
Percentage of available address space announced: 65.5
Percentage of allocated address space announced: 67.7
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 87.1
Total number of prefixes smaller than registry allocations: 141918

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

Prefixes being announced by APNIC Region ASes: 82658
Total APNIC prefixes after maximum aggregation: 27843
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 79646
Unique aggregates announced from the APNIC address blocks: 35286
APNIC Region origin ASes present in the Internet Routing Table: 4277
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 678
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 576632258
Equivalent to 34 /8s, 94 /16s and 181 /24s
Percentage of available APNIC address space announced: 78.1

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

Prefixes being announced by ARIN Region ASes: 140362
Total ARIN prefixes after maximum aggregation: 72434
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 111209
Unique aggregates announced from the ARIN address blocks: 44099
ARIN Region origin ASes present in the Internet Routing Table: 14131
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5400
ARIN Region transit ASes present in the Internet Routing Table: 1462
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 778103433
Equivalent to 46 /8s, 96 /16s and 234 /24s
Percentage of available ARIN address space announced: 65.3

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

Prefixes being announced by RIPE Region ASes: 83340
Total RIPE prefixes after maximum aggregation: 46030
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 75967
Unique aggregates announced from the RIPE address blocks: 47702
RIPE Region origin ASes present in the Internet Routing Table: 15197
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7711
RIPE Region transit ASes present in the Internet Routing Table: 2393
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 454009621
Equivalent to 27 /8s, 15 /16s and 163 /24s
Percentage of available RIPE address space announced: 75.2

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

Prefixes being announced by LACNIC Region ASes: 31204
Total LACNIC prefixes after maximum aggregation: 7209
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 29996
Unique aggregates announced from the LACNIC address blocks: 15584
LACNIC Region origin ASes present in the Internet Routing Table: 1421
LACNIC Prefixes per ASN: 21.11
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 259
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 78858956
Equivalent to 4 /8s, 179 /16s and 74 /24s
Percentage of available LACNIC address space announced: 58.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 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: 7500
Total AfriNIC prefixes after maximum aggregation: 1951
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 5775
Unique aggregates announced from the AfriNIC address blocks: 1810
AfriNIC Region origin ASes present in the Internet Routing Table: 436
AfriNIC Prefixes per ASN: 13.25
AfriNIC Region origin ASes announcing only one prefix: 140
AfriNIC Region transit ASes present in the Internet Routing Table: 96
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 21679872
Equivalent to 1 /8s, 74 /16s and 207 /24s
Percentage of available AfriNIC address space announced: 43.1

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1743 9483 512 Korea Telecom (KIX)
7545 1558 299 75 TPG Internet Pty Ltd
17974 1407 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1392 632 157 Videsh Sanchar Nigam Ltd. Aut
24560 1060 317 180 Bharti Airtel Ltd.
9583 1040 76 489 Sify Limited
17488 958 159 109 Hathway IP Over Cable Interne
18101 912 116 138 Reliance Infocom Ltd Internet
4808 906 1969 257 CNCGROUP IP network: China169
9829 835 707 50 BSNL National Internet Backbo

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 3718 3855 266 bellsouth.net, inc.
4323 2642 1077 401 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
20115 1558 1534 638 Charter Communications
6478 1438 287 102 AT&T Worldnet Services
7018 1369 5661 887 AT&T WorldNet Services
2386 1296 569 931 AT&T Data Communications Serv
11492 1290 234 73 Cable One
22773 1263 2864 75 Cox Communications, Inc.

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
286 964 710 153 KPNQwest Backbone AS
9116 523 328 32 Goldenlines main autonomous s
3292 503 2010 385 TDC Tele Danmark
6830 502 1763 308 UPC Distribution Services
34984 456 97 137 Tellcom Iletisim Hizmetleri
8866 440 133 23 Bulgarian Telecommunication C
9198 421 202 13 Kazakhtelecom Corporate Sales
8551 404 355 38 Bezeq International
12479 403 577 6 Uni2 Autonomous System
702 398 1865 312 UUNET - Commercial IP service

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
8151 1345 2609 363 Uninet S.A. de C.V.
10620 1344 250 164 TVCABLE BOGOTA
28573 1225 934 79 Types of queries are: POCs, o
6503 1197 339 78 AVANTEL, S.A.
7303 841 443 112 Telecom Argentina Stet-France
14420 593 50 85 Types of queries are: POCs, o
22047 565 310 15 Types of queries are: POCs, o
3816 494 216 98 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 454 33 32 Telefonica del Sur 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 842 445 10 TEDATA
24863 749 147 38 LINKdotNET AS number
36992 663 283 156 Etisalat MISR
3741 262 986 224 The Internet Solution
24835 219 78 10 RAYA Telecom - Egypt
6713 203 199 12 Itissalat Al-MAGHRIB
29571 199 19 11 Ci Telecom Autonomous system
2018 196 277 64 TENET-1
33776 184 12 14 Starcomms Nigeria Limited
16637 164 440 89 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 3718 3855 266 bellsouth.net, inc.
4323 2642 1077 401 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
4766 1743 9483 512 Korea Telecom (KIX)
7545 1558 299 75 TPG Internet Pty Ltd
20115 1558 1534 638 Charter Communications
6478 1438 287 102 AT&T Worldnet Services
17974 1407 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1392 632 157 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 2642 2241 Time Warner Telecom
1785 1786 1653 AppliedTheory Corporation
19262 1841 1555 Verizon Global Networks
7545 1558 1483 TPG Internet Pty Ltd
17974 1407 1379 PT TELEKOMUNIKASI INDONESIA
6478 1438 1336 AT&T Worldnet Services
4755 1392 1235 Videsh Sanchar Nigam Ltd. Aut
4766 1743 1231 Korea Telecom (KIX)
11492 1290 1217 Cable One
22773 1263 1188 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 /8:25 /9:10 /10:25 /11:71 /12:214
/13:432 /14:761 /15:1376 /16:11531 /17:5780 /18:9533
/19:19244 /20:24741 /21:24736 /22:32538 /23:31686 /24:179665
/25:358 /26:369 /27:193 /28:373 /29:298 /30:681
/31:45 /32:632

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

ASN No of nets Total ann. Description
6389 2296 3718 bellsouth.net, inc.
4323 1428 2642 Time Warner Telecom
6478 1394 1438 AT&T Worldnet Services
11492 1245 1290 Cable One
10620 1236 1344 TVCABLE BOGOTA
18566 1076 1095 Covad Communications
7011 1071 1174 Citizens Utilities
1785 1060 1786 AppliedTheory Corporation
6503 983 1197 AVANTEL, S.A.
19262 956 1841 Verizon Global Networks

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

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

1:154 2:35 4:17 5:1 8:327 12:2028
13:6 14:284 15:15 16:3 17:8 20:9
24:1488 27:530 32:137 33:5 34:2 36:1
37:1 38:687 40:101 41:2343 42:1 44:3
46:468 47:5 49:121 50:41 52:12 55:5
56:2 57:41 58:864 59:489 60:385 61:1100
62:1076 63:1939 64:3761 65:2331 66:4114 67:1794
68:1148 69:2950 70:757 71:391 72:2002 73:3
74:2344 75:300 76:331 77:856 78:691 79:460
80:1056 81:820 82:545 83:457 84:653 85:1064
86:525 87:745 88:351 89:1590 90:152 91:3402
92:483 93:1043 94:1174 95:742 96:412 97:246
98:741 99:33 100:1 101:17 107:3 108:80
109:852 110:466 111:674 112:309 113:360 114:488
115:636 116:889 117:673 118:624 119:1006 120:199
121:704 122:1566 123:1035 124:1247 125:1215 128:231
129:158 130:171 131:565 132:110 133:20 134:214
135:50 136:212 137:147 138:291 139:122 140:485
141:197 142:355 143:364 144:488 145:52 146:421
147:202 148:615 149:300 150:151 151:230 152:296
153:173 154:3 155:370 156:164 157:340 158:127
159:371 160:315 161:196 162:277 163:162 164:460
165:354 166:472 167:419 168:727 169:153 170:729
171:67 172:2 173:1196 174:501 175:304 176:1
177:2 178:712 180:738 182:384 183:253 184:216
186:892 187:761 188:906 189:1040 190:4286 192:5812
193:4823 194:3544 195:3053 196:1261 197:1 198:3547
199:3716 200:5594 201:1564 202:8393 203:8433 204:4066
205:2338 206:2581 207:2981 208:3869 209:3493 210:2600
211:1343 212:1924 213:1770 214:714 215:62 216:4859
217:1593 218:522 219:389 220:1196 221:446 222:324
223:89

End of report
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Wednesday, January 5, 2011

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

* BGP Routing Table Analysis Reports *
Routing Table Report 00:00 GMT Thu 06 Jan, 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: 345164
Prefixes after maximum aggregation: 155541
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 167919
Total ASes present in the Internet Routing Table: 35603
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 30707
Origin ASes announcing only one prefix: 14893
Transit ASes present in the Internet Routing Table: 4896
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 31
Max AS path prepend of ASN (16181) 22
Prefixes from unregistered ASNs in the Routing Table: 432
Unregistered ASNs in the Routing Table: 177
Number of 32-bit ASNs allocated by the RIRs: 988
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 74
Prefixes being announced from unallocated address space: 217
Number of addresses announced to Internet: 2395444940
Equivalent to 142 /8s, 199 /16s and 150 /24s
Percentage of available address space announced: 64.6
Percentage of allocated address space announced: 66.7
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 87.1
Total number of prefixes smaller than registry allocations: 141763

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

Prefixes being announced by APNIC Region ASes: 82680
Total APNIC prefixes after maximum aggregation: 27861
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 79665
Unique aggregates announced from the APNIC address blocks: 35288
APNIC Region origin ASes present in the Internet Routing Table: 4278
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 685
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 576176578
Equivalent to 34 /8s, 87 /16s and 193 /24s
Percentage of available APNIC address space announced: 78.1

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

Prefixes being announced by ARIN Region ASes: 140230
Total ARIN prefixes after maximum aggregation: 72396
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 111128
Unique aggregates announced from the ARIN address blocks: 44068
ARIN Region origin ASes present in the Internet Routing Table: 14103
ARIN Prefixes per ASN: 7.88
ARIN Region origin ASes announcing only one prefix: 5375
ARIN Region transit ASes present in the Internet Routing Table: 1440
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 778070665
Equivalent to 46 /8s, 96 /16s and 106 /24s
Percentage of available ARIN address space announced: 65.3

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

Prefixes being announced by RIPE Region ASes: 83303
Total RIPE prefixes after maximum aggregation: 46017
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 75918
Unique aggregates announced from the RIPE address blocks: 47656
RIPE Region origin ASes present in the Internet Routing Table: 15192
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7710
RIPE Region transit ASes present in the Internet Routing Table: 2366
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 453998357
Equivalent to 27 /8s, 15 /16s and 119 /24s
Percentage of available RIPE address space announced: 75.2

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, 196608-197631
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, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,

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

Prefixes being announced by LACNIC Region ASes: 31163
Total LACNIC prefixes after maximum aggregation: 7193
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 29945
Unique aggregates announced from the LACNIC address blocks: 15567
LACNIC Region origin ASes present in the Internet Routing Table: 1419
LACNIC Prefixes per ASN: 21.10
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 255
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 78673868
Equivalent to 4 /8s, 176 /16s and 119 /24s
Percentage of available LACNIC address space announced: 58.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 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: 7535
Total AfriNIC prefixes after maximum aggregation: 1952
AfriNIC Deaggregation factor: 3.86
Prefixes being announced from the AfriNIC address blocks: 5811
Unique aggregates announced from the AfriNIC address blocks: 1806
AfriNIC Region origin ASes present in the Internet Routing Table: 434
AfriNIC Prefixes per ASN: 13.39
AfriNIC Region origin ASes announcing only one prefix: 141
AfriNIC Region transit ASes present in the Internet Routing Table: 94
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 21678848
Equivalent to 1 /8s, 74 /16s and 203 /24s
Percentage of available AfriNIC address space announced: 43.1

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

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

ASN No of nets /20 equiv MaxAgg Description
4766 1747 9483 512 Korea Telecom (KIX)
7545 1556 299 76 TPG Internet Pty Ltd
17974 1400 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1391 376 156 Videsh Sanchar Nigam Ltd. Aut
24560 1058 317 179 Bharti Airtel Ltd.
9583 1039 76 488 Sify Limited
4808 981 2066 283 CNCGROUP IP network: China169
17488 958 159 109 Hathway IP Over Cable Interne
18101 912 116 138 Reliance Infocom Ltd Internet
9829 837 707 38 BSNL National Internet Backbo

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 3727 3855 268 bellsouth.net, inc.
4323 2643 1093 401 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
20115 1558 1534 638 Charter Communications
6478 1434 287 114 AT&T Worldnet Services
7018 1371 5694 888 AT&T WorldNet Services
2386 1296 569 931 AT&T Data Communications Serv
11492 1289 234 74 Cable One
22773 1262 2864 75 Cox Communications, Inc.

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
286 961 710 152 KPNQwest Backbone AS
9116 523 328 32 Goldenlines main autonomous s
3292 504 2010 386 TDC Tele Danmark
6830 501 1763 307 UPC Distribution Services
34984 456 97 137 Tellcom Iletisim Hizmetleri
8866 440 133 23 Bulgarian Telecommunication C
9198 420 202 13 Kazakhtelecom Corporate Sales
8551 404 355 38 Bezeq International
12479 401 577 6 Uni2 Autonomous System
702 400 1867 314 UUNET - Commercial IP service

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
8151 1353 2591 369 Uninet S.A. de C.V.
10620 1344 250 164 TVCABLE BOGOTA
28573 1215 932 83 Types of queries are: POCs, o
6503 1197 339 79 AVANTEL, S.A.
7303 841 443 112 Telecom Argentina Stet-France
14420 593 50 85 Types of queries are: POCs, o
22047 561 310 15 Types of queries are: POCs, o
3816 494 216 98 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 454 33 32 Telefonica del Sur 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 837 445 10 TEDATA
24863 750 147 39 LINKdotNET AS number
36992 663 283 156 Etisalat MISR
3741 262 986 224 The Internet Solution
24835 219 78 10 RAYA Telecom - Egypt
6713 203 199 12 Itissalat Al-MAGHRIB
29571 199 19 11 Ci Telecom Autonomous system
2018 196 277 64 TENET-1
33776 184 12 14 Starcomms Nigeria Limited
16637 163 440 91 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 3727 3855 268 bellsouth.net, inc.
4323 2643 1093 401 Time Warner Telecom
19262 1841 4937 286 Verizon Global Networks
1785 1786 697 133 AppliedTheory Corporation
4766 1747 9483 512 Korea Telecom (KIX)
20115 1558 1534 638 Charter Communications
7545 1556 299 76 TPG Internet Pty Ltd
6478 1434 287 114 AT&T Worldnet Services
17974 1400 459 28 PT TELEKOMUNIKASI INDONESIA
4755 1391 376 156 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 2643 2242 Time Warner Telecom
1785 1786 1653 AppliedTheory Corporation
19262 1841 1555 Verizon Global Networks
7545 1556 1480 TPG Internet Pty Ltd
17974 1400 1372 PT TELEKOMUNIKASI INDONESIA
6478 1434 1320 AT&T Worldnet Services
4766 1747 1235 Korea Telecom (KIX)
4755 1391 1235 Videsh Sanchar Nigam Ltd. Aut
11492 1289 1215 Cable One
22773 1262 1187 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)
-----------------------------------------------------------

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
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS
10.29.245.27/32 286 KPNQwest Backbone AS

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

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

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.0.0.0/8 237 Merit Network
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
36.126.8.255/8 77 Johns Hopkins University Appl
41.222.79.0/24 36938 Amsco Telecommunications Nige

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 /9:10 /10:25 /11:71 /12:214
/13:431 /14:760 /15:1376 /16:11539 /17:5780 /18:9517
/19:19226 /20:24728 /21:24746 /22:32532 /23:31705 /24:179561
/25:359 /26:369 /27:194 /28:372 /29:296 /30:675
/31:40 /32:614

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

ASN No of nets Total ann. Description
6389 2302 3727 bellsouth.net, inc.
4323 1428 2643 Time Warner Telecom
6478 1390 1434 AT&T Worldnet Services
11492 1244 1289 Cable One
10620 1236 1344 TVCABLE BOGOTA
18566 1076 1095 Covad Communications
7011 1071 1174 Citizens Utilities
1785 1060 1786 AppliedTheory Corporation
6503 982 1197 AVANTEL, S.A.
19262 956 1841 Verizon Global Networks

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

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

1:154 2:32 4:17 5:1 8:327 12:2030
13:6 14:260 15:15 16:3 17:8 20:9
24:1487 27:534 32:137 33:5 34:2 36:1
37:1 38:687 40:101 41:2333 42:1 44:3
46:465 47:5 49:119 50:41 52:12 55:5
56:2 57:41 58:866 59:502 60:385 61:1101
62:1076 63:1940 64:3745 65:2329 66:4116 67:1791
68:1147 69:2951 70:756 71:391 72:1996 73:3
74:2345 75:300 76:329 77:863 78:691 79:460
80:1055 81:820 82:544 83:457 84:655 85:1064
86:525 87:744 88:350 89:1589 90:152 91:3396
92:483 93:1044 94:1172 95:740 96:412 97:246
98:727 99:33 101:17 107:3 108:80 109:827
110:462 111:674 112:309 113:357 114:486 115:637
116:890 117:673 118:626 119:1031 120:199 121:705
122:1574 123:1033 124:1244 125:1215 128:231 129:158
130:171 131:568 132:111 133:20 134:209 135:50
136:212 137:147 138:291 139:122 140:476 141:197
142:356 143:363 144:489 145:52 146:426 147:202
148:614 149:300 150:152 151:230 152:296 153:172
154:3 155:370 156:164 157:340 158:126 159:370
160:315 161:196 162:277 163:162 164:460 165:354
166:473 167:418 168:727 169:154 170:727 171:67
172:2 173:1190 174:497 175:300 176:1 177:2
178:712 180:741 182:384 183:257 184:216 186:890
187:755 188:901 189:1040 190:4274 192:5813 193:4821
194:3543 195:3052 196:1267 197:1 198:3546 199:3716
200:5588 201:1565 202:8406 203:8425 204:4059 205:2336
206:2584 207:2980 208:3864 209:3491 210:2599 211:1342
212:1928 213:1771 214:733 215:62 216:4818 217:1631
218:527 219:382 220:1197 221:446 222:324 223:87

End of report
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