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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Thu 29 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: 264237
Prefixes after maximum aggregation: 128969
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 124991
Total ASes present in the Internet Routing Table: 28363
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 24629
Origin ASes announcing only one prefix: 11899
Transit ASes present in the Internet Routing Table: 3734
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 659
Unregistered ASNs in the Routing Table: 252
Number of 32-bit ASNs allocated by the RIRs: 48
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: 793
Number of addresses announced to Internet: 1890641902
Equivalent to 112 /8s, 176 /16s and 231 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 61.9
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: 128955
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 60563
Total APNIC prefixes after maximum aggregation: 21784
APNIC Deaggregation factor: 2.78
Prefixes being announced from the APNIC address blocks: 57687
Unique aggregates announced from the APNIC address blocks: 24009
APNIC Region origin ASes present in the Internet Routing Table: 3258
APNIC Prefixes per ASN: 17.71
APNIC Region origin ASes announcing only one prefix: 864
APNIC Region transit ASes present in the Internet Routing Table: 510
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 350412256
Equivalent to 20 /8s, 226 /16s and 221 /24s
Percentage of available APNIC address space announced: 74.6
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: 121475
Total ARIN prefixes after maximum aggregation: 66427
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 90369
Unique aggregates announced from the ARIN address blocks: 34516
ARIN Region origin ASes present in the Internet Routing Table: 12196
ARIN Prefixes per ASN: 7.41
ARIN Region origin ASes announcing only one prefix: 4705
ARIN Region transit ASes present in the Internet Routing Table: 1191
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359643649
Equivalent to 21 /8s, 111 /16s and 186 /24s
Percentage of available ARIN address space announced: 73.9
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: 55748
Total RIPE prefixes after maximum aggregation: 33909
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51076
Unique aggregates announced from the RIPE address blocks: 33852
RIPE Region origin ASes present in the Internet Routing Table: 11389
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5946
RIPE Region transit ASes present in the Internet Routing Table: 1754
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 358443072
Equivalent to 21 /8s, 93 /16s and 104 /24s
Percentage of available RIPE address space announced: 82.2
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, 47104-48127
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: 21910
Total LACNIC prefixes after maximum aggregation: 5109
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 20215
Unique aggregates announced from the LACNIC address blocks: 10307
LACNIC Region origin ASes present in the Internet Routing Table: 953
LACNIC Prefixes per ASN: 21.21
LACNIC Region origin ASes announcing only one prefix: 308
LACNIC Region transit ASes present in the Internet Routing Table: 163
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51778920
Equivalent to 3 /8s, 22 /16s and 21 /24s
Percentage of available LACNIC address space announced: 51.4
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: 3885
Total AfriNIC prefixes after maximum aggregation: 1211
AfriNIC Deaggregation factor: 3.21
Prefixes being announced from the AfriNIC address blocks: 4189
Unique aggregates announced from the AfriNIC address blocks: 1860
AfriNIC Region origin ASes present in the Internet Routing Table: 245
AfriNIC Prefixes per ASN: 17.10
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12312832
Equivalent to 0 /8s, 187 /16s and 225 /24s
Percentage of available AfriNIC address space announced: 36.7
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 2043 3134 41 China Education and Research
4755 1584 382 135 Videsh Sanchar Nigam Ltd. Aut
9498 1167 550 61 BHARTI BT INTERNET LTD.
9583 1086 140 15 Sify Limited
17488 1073 71 75 Hathway IP Over Cable Interne
23577 836 33 742 Korea Telecom (ATM-MPLS)
4134 831 12692 320 CHINANET-BACKBONE
4766 815 6005 344 Korea Telecom (KIX)
18101 683 150 53 Reliance Infocom Ltd Internet
9829 595 450 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 1993 3086 177 bellsouth.net, inc.
4323 1466 1045 378 Time Warner Telecom
2386 1437 645 881 AT&T Data Communications Serv
3549 1421 540 208 Global Crossing
7018 1380 9917 981 AT&T WorldNet Services
11492 1222 148 12 Cable One
1803 1174 6 924 SPRINT
7011 1092 302 617 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1021 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 356 188 7 TEDATA
3301 339 1460 307 TeliaNet Sweden
3320 317 7044 266 Deutsche Telekom AG
5462 297 666 26 Telewest Broadband
8866 296 77 21 Bulgarian Telecommunication C
3215 284 2702 93 France Telecom Transpac
8551 282 269 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 1635 227 69 Telecom Argentina Stet-France
8151 1230 2464 227 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 415 85 47 ENTEL CHILE S.A.
11172 410 118 68 Servicios Alestra S.A de C.V
10620 390 99 69 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 278 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 182 173 82 Tertiary Education Network
5713 174 575 108 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 2043 3134 41 China Education and Research
6389 1993 3086 177 bellsouth.net, inc.
7303 1635 227 69 Telecom Argentina Stet-France
4755 1584 382 135 Videsh Sanchar Nigam Ltd. Aut
4323 1466 1045 378 Time Warner Telecom
2386 1437 645 881 AT&T Data Communications Serv
3549 1421 540 208 Global Crossing
7018 1380 9917 981 AT&T WorldNet Services
8151 1230 2464 227 UniNet S.A. de C.V.
11492 1222 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 1993 1816 bellsouth.net, inc.
7303 1635 1566 Telecom Argentina Stet-France
4755 1584 1449 Videsh Sanchar Nigam Ltd. Aut
3549 1421 1213 Global Crossing
11492 1222 1210 Cable One
9498 1167 1106 BHARTI BT INTERNET LTD.
4323 1466 1088 Time Warner Telecom
9583 1086 1071 Sify Limited
18566 1044 1034 Covad Communications
8151 1230 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 /12:142
/13:285 /14:516 /15:1019 /16:9995 /17:4443 /18:7361
/19:15632 /20:18335 /21:17791 /22:22923 /23:23287 /24:138599
/25:870 /26:1103 /27:371 /28:700 /29:352 /30:212
/31:0 /32:213
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 1230 1993 bellsouth.net, inc.
11492 1204 1222 Cable One
1803 1153 1174 SPRINT
7303 1140 1635 Telecom Argentina Stet-France
2386 1135 1437 AT&T Data Communications Serv
3549 1046 1421 Global Crossing
18566 1025 1044 Covad Communications
7011 976 1092 Citizens Utilities
4538 974 2043 China Education and Research
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 12:2072 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1076 25:1
32:199 33:3 38:425 40:93 41:646 43:1
44:2 47:12 52:3 55:3 56:3 57:46
58:576 59:487 60:443 61:1005 62:1140 63:1958
64:3570 65:2419 66:3703 67:1221 68:682 69:2250
70:635 71:126 72:1765 73:5 74:979 75:217
76:339 77:665 78:615 79:171 80:885 81:855
82:601 83:405 84:571 85:1023 86:421 87:695
88:324 89:1217 90:11 91:1248 92:186 93:506
96:32 97:20 98:177 99:3 114:17 116:648
117:326 118:140 119:428 120:44 121:537 122:778
123:356 124:822 125:1142 128:325 129:203 130:131
131:405 132:66 133:9 134:178 135:33 136:220
137:89 138:151 139:76 140:485 141:99 142:399
143:308 144:360 145:51 146:377 147:153 148:504
149:185 150:130 151:196 152:144 153:135 154:11
155:273 156:174 157:272 158:167 159:222 160:257
161:114 162:234 163:186 164:525 165:459 166:331
167:323 168:612 169:131 170:447 171:29 172:11
189:189 190:2190 192:5805 193:4111 194:3232 195:2489
196:1080 198:3745 199:3265 200:6009 201:1602 202:8102
203:7891 204:4006 205:2086 206:2490 207:2827 208:3526
209:3548 210:2886 211:1182 212:1401 213:1651 214:471
215:49 216:4418 217:1194 218:398 219:488 220:1079
221:457 222:370
End of report
