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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sat 31 May, 2008
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 264184
Prefixes after maximum aggregation: 129374
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 125967
Total ASes present in the Internet Routing Table: 28372
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 24662
Origin ASes announcing only one prefix: 11913
Transit ASes present in the Internet Routing Table: 3710
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 648
Unregistered ASNs in the Routing Table: 251
Number of 32-bit ASNs allocated by the RIRs: 49
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 794
Number of addresses announced to Internet: 1893125262
Equivalent to 112 /8s, 214 /16s and 204 /24s
Percentage of available address space announced: 51.1
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 82.3
Percentage of address space in use by end-sites: 72.0
Total number of prefixes smaller than registry allocations: 128758
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 60692
Total APNIC prefixes after maximum aggregation: 22173
APNIC Deaggregation factor: 2.74
Prefixes being announced from the APNIC address blocks: 57813
Unique aggregates announced from the APNIC address blocks: 24941
APNIC Region origin ASes present in the Internet Routing Table: 3262
APNIC Prefixes per ASN: 17.72
APNIC Region origin ASes announcing only one prefix: 873
APNIC Region transit ASes present in the Internet Routing Table: 512
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 351317152
Equivalent to 20 /8s, 240 /16s and 172 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8,
210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 121226
Total ARIN prefixes after maximum aggregation: 66446
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 90085
Unique aggregates announced from the ARIN address blocks: 34537
ARIN Region origin ASes present in the Internet Routing Table: 12205
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4715
ARIN Region transit ASes present in the Internet Routing Table: 1172
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359886337
Equivalent to 21 /8s, 115 /16s and 110 /24s
Percentage of available ARIN address space announced: 74.0
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
ARIN Address Blocks 24/8, 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, 173/8, 174/8,
199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 55915
Total RIPE prefixes after maximum aggregation: 33930
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51252
Unique aggregates announced from the RIPE address blocks: 33860
RIPE Region origin ASes present in the Internet Routing Table: 11400
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 5944
RIPE Region transit ASes present in the Internet Routing Table: 1748
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 359750208
Equivalent to 21 /8s, 113 /16s and 90 /24s
Percentage of available RIPE address space announced: 82.5
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, 47104-48127
RIPE Address Blocks 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, 193/8,
194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 21814
Total LACNIC prefixes after maximum aggregation: 5099
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 20122
Unique aggregates announced from the LACNIC address blocks: 10318
LACNIC Region origin ASes present in the Internet Routing Table: 952
LACNIC Prefixes per ASN: 21.14
LACNIC Region origin ASes announcing only one prefix: 308
LACNIC Region transit ASes present in the Internet Routing Table: 162
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51799912
Equivalent to 3 /8s, 22 /16s and 103 /24s
Percentage of available LACNIC address space announced: 51.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3890
Total AfriNIC prefixes after maximum aggregation: 1202
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4187
Unique aggregates announced from the AfriNIC address blocks: 1864
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.30
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12279552
Equivalent to 0 /8s, 187 /16s and 95 /24s
Percentage of available AfriNIC address space announced: 36.6
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4538 2052 3134 41 China Education and Research
4755 1584 382 135 Videsh Sanchar Nigam Ltd. Aut
9498 1167 550 60 BHARTI BT INTERNET LTD.
9583 1102 110 414 Sify Limited
17488 1084 71 76 Hathway IP Over Cable Interne
4134 836 12917 323 CHINANET-BACKBONE
23577 832 33 739 Korea Telecom (ATM-MPLS)
4766 815 6005 344 Korea Telecom (KIX)
18101 687 150 53 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 1989 3086 177 bellsouth.net, inc.
4323 1462 1045 377 Time Warner Telecom
2386 1438 645 881 AT&T Data Communications Serv
3549 1426 540 208 Global Crossing
7018 1377 9917 978 AT&T WorldNet Services
11492 1223 148 12 Cable One
1803 1183 6 931 SPRINT
7011 1077 299 604 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1022 510 105 AppliedTheory Corporation
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3292 412 1772 368 TDC Tele Danmark
8452 347 188 7 TEDATA
3301 339 1460 307 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
5462 297 666 26 Telewest Broadband
8866 297 77 21 Bulgarian Telecommunication C
3215 285 2718 94 France Telecom Transpac
8551 283 269 38 Bezeq International
680 274 2047 264 DFN-IP service G-WiN
1257 268 1205 208 SWIPnet Swedish IP Network
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7303 1640 229 67 Telecom Argentina Stet-France
8151 1228 2464 225 UniNet S.A. de C.V.
11830 603 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 414 85 46 ENTEL CHILE S.A.
11172 411 118 69 Servicios Alestra S.A de C.V
10620 389 99 67 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 362 92 11 Companhia de Telecomunicacoes
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 471 61 27 LINKdotNET AS number
3741 282 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 189 173 83 Tertiary Education Network
5713 168 575 102 Telkom SA Ltd
6713 146 136 12 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 100 13 8 Ci Telecom Autonomous system
33776 100 6 3 Starcomms Nigeria Limited
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
4538 2052 3134 41 China Education and Research
6389 1989 3086 177 bellsouth.net, inc.
7303 1640 229 67 Telecom Argentina Stet-France
4755 1584 382 135 Videsh Sanchar Nigam Ltd. Aut
4323 1462 1045 377 Time Warner Telecom
2386 1438 645 881 AT&T Data Communications Serv
3549 1426 540 208 Global Crossing
7018 1377 9917 978 AT&T WorldNet Services
8151 1228 2464 225 UniNet S.A. de C.V.
11492 1223 148 12 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 1989 1812 bellsouth.net, inc.
7303 1640 1573 Telecom Argentina Stet-France
4755 1584 1449 Videsh Sanchar Nigam Ltd. Aut
3549 1426 1218 Global Crossing
11492 1223 1211 Cable One
9498 1167 1107 BHARTI BT INTERNET LTD.
4323 1462 1085 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1084 1008 Hathway IP Over Cable Interne
8151 1228 1003 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
22492 UNALLOCATED 12.2.46.0/24 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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.246.49/32 286 KPNQwest Backbone AS
10.29.248.65/32 286 KPNQwest Backbone AS
10.29.248.71/32 286 KPNQwest Backbone AS
172.30.254.0/24 4771 Netgate
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
24.51.159.0/24 7843 Adelphia Corp.
24.54.224.0/19 20001 HoldCo LLC - Road Runner
24.75.160.0/19 7843 Adelphia Corp.
24.75.192.0/18 7843 Adelphia Corp.
24.142.40.0/21 7018 AT&T WorldNet Services
24.142.160.0/19 7018 AT&T WorldNet Services
24.246.0.0/17 7018 AT&T WorldNet Services
24.246.128.0/18 7018 AT&T WorldNet Services
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
Complete listing at http://thyme.apnic.net/rviews/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:9 /10:16 /11:43 /12:143
/13:285 /14:518 /15:1025 /16:10009 /17:4443 /18:7373
/19:15643 /20:18354 /21:17729 /22:22629 /23:23326 /24:138786
/25:875 /26:1108 /27:371 /28:701 /29:349 /30:209
/31:0 /32:220
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 1225 1989 bellsouth.net, inc.
11492 1205 1223 Cable One
1803 1162 1183 SPRINT
7303 1146 1640 Telecom Argentina Stet-France
2386 1136 1438 AT&T Data Communications Serv
3549 1050 1426 Global Crossing
18566 1025 1044 Covad Communications
4538 974 2052 China Education and Research
7011 964 1077 Citizens Utilities
4755 956 1584 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2071 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1079 25:1
32:199 33:3 38:432 40:93 41:637 43:1
44:2 47:11 52:3 55:3 56:3 57:46
58:577 59:488 60:443 61:1007 62:1150 63:1957
64:3573 65:2435 66:3723 67:1215 68:685 69:2257
70:634 71:125 72:1763 73:5 74:982 75:218
76:312 77:666 78:617 79:173 80:906 81:855
82:605 83:404 84:581 85:999 86:422 87:681
88:326 89:1221 90:12 91:1270 92:187 93:506
96:32 97:21 98:172 99:3 114:17 116:662
117:332 118:144 119:432 120:45 121:537 122:777
123:349 124:833 125:1147 128:325 129:205 130:131
131:404 132:66 133:9 134:177 135:33 136:216
137:91 138:151 139:76 140:484 141:99 142:399
143:307 144:358 145:51 146:377 147:153 148:503
149:193 150:130 151:195 152:175 153:135 154:11
155:273 156:174 157:272 158:167 159:222 160:257
161:115 162:235 163:186 164:526 165:459 166:331
167:323 168:612 169:131 170:448 171:29 172:11
189:188 190:2204 192:5798 193:4108 194:3232 195:2497
196:1084 198:3753 199:3246 200:6004 201:1618 202:8113
203:7904 204:3999 205:2082 206:2492 207:2821 208:3530
209:3551 210:2890 211:1182 212:1401 213:1655 214:469
215:49 216:4427 217:1197 218:397 219:489 220:1084
221:462 222:370
End of report
