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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Mon 12 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: 262709
Prefixes after maximum aggregation: 128405
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 123838
Total ASes present in the Internet Routing Table: 28174
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 24514
Origin ASes announcing only one prefix: 11405
Transit ASes present in the Internet Routing Table: 3660
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 29
Max AS path prepend of ASN (13791) 17
Prefixes from unregistered ASNs in the Routing Table: 25534
Unregistered ASNs in the Routing Table: 1893
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 787
Number of addresses announced to Internet: 1886743468
Equivalent to 112 /8s, 117 /16s and 107 /24s
Percentage of available address space announced: 50.9
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.7
Total number of prefixes smaller than registry allocations: 127775
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45036
Total APNIC prefixes after maximum aggregation: 13458
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 57363
Unique aggregates announced from the APNIC address blocks: 23634
APNIC Region origin ASes present in the Internet Routing Table: 1944
APNIC Prefixes per ASN: 29.51
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 357
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 347393248
Equivalent to 20 /8s, 180 /16s and 204 /24s
Percentage of available APNIC address space announced: 79.6
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, 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: 110944
Total ARIN prefixes after maximum aggregation: 60472
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 89621
Unique aggregates announced from the ARIN address blocks: 34528
ARIN Region origin ASes present in the Internet Routing Table: 11814
ARIN Prefixes per ASN: 7.59
ARIN Region origin ASes announcing only one prefix: 4611
ARIN Region transit ASes present in the Internet Routing Table: 1053
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360347649
Equivalent to 21 /8s, 122 /16s and 120 /24s
Percentage of available ARIN address space announced: 74.1
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: 55739
Total RIPE prefixes after maximum aggregation: 33687
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51085
Unique aggregates announced from the RIPE address blocks: 33567
RIPE Region origin ASes present in the Internet Routing Table: 11312
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5894
RIPE Region transit ASes present in the Internet Routing Table: 1741
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 356519233
Equivalent to 21 /8s, 64 /16s and 13 /24s
Percentage of available RIPE address space announced: 81.7
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: 21621
Total LACNIC prefixes after maximum aggregation: 4949
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 20076
Unique aggregates announced from the LACNIC address blocks: 9881
LACNIC Region origin ASes present in the Internet Routing Table: 900
LACNIC Prefixes per ASN: 22.31
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51105096
Equivalent to 3 /8s, 11 /16s and 205 /24s
Percentage of available LACNIC address space announced: 50.8
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: 3836
Total AfriNIC prefixes after maximum aggregation: 1191
AfriNIC Deaggregation factor: 3.22
Prefixes being announced from the AfriNIC address blocks: 4166
Unique aggregates announced from the AfriNIC address blocks: 1858
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.21
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12198144
Equivalent to 0 /8s, 186 /16s and 33 /24s
Percentage of available AfriNIC address space announced: 36.4
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 2054 3134 41 China Education and Research
4755 1634 387 92 Videsh Sanchar Nigam Ltd. Aut
9498 1171 550 61 BHARTI BT INTERNET LTD.
17488 1065 70 76 Hathway IP Over Cable Interne
9583 1062 140 15 Sify Limited
4134 864 12613 317 CHINANET-BACKBONE
4766 814 6005 344 Korea Telecom (KIX)
18101 678 149 53 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 544 1918 418 Telstra Pty Ltd
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
3549 1426 540 204 Global Crossing
4323 1419 1012 377 Time Warner Telecom
2386 1402 643 865 AT&T Data Communications Serv
7018 1401 10080 993 AT&T WorldNet Services
11492 1213 146 32 Cable One
1803 1157 6 909 SPRINT
7011 1095 319 624 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1025 630 548 BellSouth Network Solutions,
1785 1018 511 106 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
9198 428 74 9 Kazakhtelecom Data Network Ad
3292 413 1788 370 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
8866 298 78 24 Bulgarian Telecommunication C
5462 295 666 26 Telewest Broadband
8551 282 269 37 Bezeq International
3215 278 2686 90 France Telecom Transpac
680 272 2047 262 DFN-IP service G-WiN
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 1610 223 62 Telecom Argentina Stet-France
8151 1199 2432 224 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 419 85 46 ENTEL CHILE S.A.
11172 412 117 68 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 357 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 463 61 27 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 221 34 3 EgyNet
2018 181 173 82 Tertiary Education Network
5713 172 575 108 Telkom SA Ltd
6713 144 135 11 Itissalat Al-MAGHRIB
33783 134 10 12 EEPAD TISP TELECOM & INTERNET
5536 121 8 16 Internet Egypt Network
29571 115 13 8 Ci Telecom Autonomous system
33776 99 6 7 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
6389 3098 3037 122 bellsouth.net, inc.
4538 2054 3134 41 China Education and Research
23577 1684 33 748 Korea Telecom (ATM-MPLS)
4755 1634 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1610 223 62 Telecom Argentina Stet-France
3549 1426 540 204 Global Crossing
4323 1419 1012 377 Time Warner Telecom
2386 1402 643 865 AT&T Data Communications Serv
7018 1401 10080 993 AT&T WorldNet Services
11492 1213 146 32 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
4538 2054 2013 China Education and Research
7303 1610 1548 Telecom Argentina Stet-France
4755 1634 1542 Videsh Sanchar Nigam Ltd. Aut
3549 1426 1222 Global Crossing
11492 1213 1181 Cable One
9498 1171 1110 BHARTI BT INTERNET LTD.
9583 1062 1047 Sify Limited
4323 1419 1042 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1065 989 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo!
12180 UNALLOCATED 4.79.248.0/24 3561 Savvis
11096 UNALLOCATED 8.6.245.0/24 6939 Hurricane Electric
12180 UNALLOCATED 8.10.16.0/24 2914 Verio, Inc.
12180 UNALLOCATED 8.10.58.0/23 2914 Verio, Inc.
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
7539 UNALLOCATED 10.0.0.0/8 22335 Metropolitan Researc
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 7539 TANet2, sponsored by NSC, TAI
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
172.16.0.0/12 7539 TANet2, sponsored by NSC, TAI
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 /11:41 /12:141
/13:285 /14:512 /15:1008 /16:9975 /17:4442 /18:7372
/19:15552 /20:18274 /21:17618 /22:22488 /23:23152 /24:138134
/25:846 /26:994 /27:371 /28:694 /29:347 /30:206
/31:0 /32:212
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1199 1213 Cable One
1803 1137 1157 SPRINT
7303 1116 1610 Telecom Argentina Stet-France
2386 1103 1402 AT&T Data Communications Serv
3549 1054 1426 Global Crossing
18566 1025 1044 Covad Communications
4538 987 2054 China Education and Research
4755 980 1634 Videsh Sanchar Nigam Ltd. Aut
7011 978 1095 Citizens Utilities
6389 966 3098 bellsouth.net, inc.
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2045 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1069 25:1
32:199 33:3 38:421 40:94 41:653 44:2
47:9 52:3 55:3 56:3 57:45 58:578
59:495 60:441 61:976 62:1150 63:1974 64:3644
65:2435 66:3690 67:1194 68:664 69:2213 70:604
71:122 72:1672 73:6 74:958 75:228 76:322
77:659 78:609 79:149 80:906 81:866 82:639
83:402 84:565 85:1018 86:406 87:668 88:346
89:1302 90:11 91:1226 92:294 93:443 96:28
97:14 98:153 99:3 114:3 116:642 117:333
118:131 119:390 120:29 121:529 122:771 123:337
124:838 125:1134 128:322 129:200 130:129 131:403
132:66 133:9 134:180 135:31 136:221 137:113
138:144 139:73 140:489 141:96 142:397 143:279
144:351 145:50 146:377 147:152 148:501 149:185
150:131 151:180 152:144 153:133 154:11 155:271
156:174 157:268 158:163 159:222 160:254 161:110
162:215 163:197 164:518 165:458 166:328 167:319
168:620 169:131 170:447 171:28 172:3 189:208
190:2031 192:5782 193:4106 194:3274 195:2472 196:1079
198:3734 199:3244 200:6048 201:1621 202:8131 203:7830
204:4022 205:2103 206:2482 207:2812 208:3496 209:3547
210:2853 211:1206 212:1415 213:1657 214:440 215:50
216:4411 217:1241 218:400 219:491 220:1075 221:452
222:371
End of report
