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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Fri 30 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: 263927
Prefixes after maximum aggregation: 129330
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 125866
Total ASes present in the Internet Routing Table: 28361
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 24623
Origin ASes announcing only one prefix: 11895
Transit ASes present in the Internet Routing Table: 3738
Transit-only ASes present in the Internet Routing Table: 87
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: 660
Unregistered ASNs in the Routing Table: 254
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: 788
Number of addresses announced to Internet: 1892067822
Equivalent to 112 /8s, 198 /16s and 169 /24s
Percentage of available address space announced: 51.0
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: 128530
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 60653
Total APNIC prefixes after maximum aggregation: 22176
APNIC Deaggregation factor: 2.74
Prefixes being announced from the APNIC address blocks: 57779
Unique aggregates announced from the APNIC address blocks: 24904
APNIC Region origin ASes present in the Internet Routing Table: 3263
APNIC Prefixes per ASN: 17.71
APNIC Region origin ASes announcing only one prefix: 870
APNIC Region transit ASes present in the Internet Routing Table: 516
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 350375904
Equivalent to 20 /8s, 226 /16s and 79 /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: 121089
Total ARIN prefixes after maximum aggregation: 66427
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 89996
Unique aggregates announced from the ARIN address blocks: 34522
ARIN Region origin ASes present in the Internet Routing Table: 12193
ARIN Prefixes per ASN: 7.38
ARIN Region origin ASes announcing only one prefix: 4701
ARIN Region transit ASes present in the Internet Routing Table: 1193
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359763713
Equivalent to 21 /8s, 113 /16s and 143 /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: 55844
Total RIPE prefixes after maximum aggregation: 33896
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51194
Unique aggregates announced from the RIPE address blocks: 33833
RIPE Region origin ASes present in the Internet Routing Table: 11393
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5941
RIPE Region transit ASes present in the Internet Routing Table: 1747
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 359630912
Equivalent to 21 /8s, 111 /16s and 136 /24s
Percentage of available RIPE address space announced: 82.4
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: 21802
Total LACNIC prefixes after maximum aggregation: 5103
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 20100
Unique aggregates announced from the LACNIC address blocks: 10309
LACNIC Region origin ASes present in the Internet Routing Table: 952
LACNIC Prefixes per ASN: 21.11
LACNIC Region origin ASes announcing only one prefix: 310
LACNIC Region transit ASes present in the Internet Routing Table: 163
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51796840
Equivalent to 3 /8s, 22 /16s and 91 /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: 3882
Total AfriNIC prefixes after maximum aggregation: 1200
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4177
Unique aggregates announced from the AfriNIC address blocks: 1855
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.33
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 50
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12305408
Equivalent to 0 /8s, 187 /16s and 196 /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 2052 3134 41 China Education and Research
4755 1584 382 135 Videsh Sanchar Nigam Ltd. Aut
9498 1164 550 60 BHARTI BT INTERNET LTD.
9583 1081 109 418 Sify Limited
17488 1073 71 75 Hathway IP Over Cable Interne
23577 838 34 744 Korea Telecom (ATM-MPLS)
4134 833 12693 320 CHINANET-BACKBONE
4766 815 6005 344 Korea Telecom (KIX)
18101 684 150 51 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 1994 3086 177 bellsouth.net, inc.
4323 1462 1045 377 Time Warner Telecom
2386 1439 645 882 AT&T Data Communications Serv
3549 1423 540 208 Global Crossing
7018 1379 9917 980 AT&T WorldNet Services
11492 1224 148 12 Cable One
1803 1172 6 922 SPRINT
7011 1075 298 603 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 296 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 1636 228 70 Telecom Argentina Stet-France
8151 1230 2464 226 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 69 Servicios Alestra S.A de C.V
10620 392 100 63 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 188 173 83 Tertiary Education Network
5713 169 575 103 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 1994 3086 177 bellsouth.net, inc.
7303 1636 228 70 Telecom Argentina Stet-France
4755 1584 382 135 Videsh Sanchar Nigam Ltd. Aut
4323 1462 1045 377 Time Warner Telecom
2386 1439 645 882 AT&T Data Communications Serv
3549 1423 540 208 Global Crossing
7018 1379 9917 980 AT&T WorldNet Services
8151 1230 2464 226 UniNet S.A. de C.V.
11492 1224 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 1994 1817 bellsouth.net, inc.
7303 1636 1566 Telecom Argentina Stet-France
4755 1584 1449 Videsh Sanchar Nigam Ltd. Aut
3549 1423 1215 Global Crossing
11492 1224 1212 Cable One
9498 1164 1104 BHARTI BT INTERNET LTD.
4323 1462 1085 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1230 1004 UniNet S.A. de C.V.
17488 1073 998 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
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
/13:284 /14:517 /15:1021 /16:10011 /17:4441 /18:7372
/19:15634 /20:18348 /21:17701 /22:22625 /23:23305 /24:138616
/25:872 /26:1105 /27:371 /28:700 /29:350 /30:210
/31:0 /32:213
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 1230 1994 bellsouth.net, inc.
11492 1206 1224 Cable One
1803 1151 1172 SPRINT
7303 1141 1636 Telecom Argentina Stet-France
2386 1136 1439 AT&T Data Communications Serv
3549 1048 1423 Global Crossing
18566 1025 1044 Covad Communications
4538 974 2052 China Education and Research
7011 963 1075 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 12:2072 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1076 25:1
32:199 33:3 38:432 40:93 41:636 43:1
44:2 47:12 52:3 55:3 56:3 57:46
58:577 59:488 60:443 61:1007 62:1148 63:1958
64:3559 65:2414 66:3701 67:1210 68:684 69:2252
70:633 71:125 72:1761 73:5 74:981 75:217
76:339 77:658 78:616 79:154 80:905 81:858
82:601 83:404 84:574 85:1008 86:420 87:682
88:326 89:1218 90:11 91:1267 92:186 93:506
96:32 97:21 98:178 99:3 114:17 116:651
117:326 118:140 119:432 120:44 121:537 122:779
123:357 124:823 125:1146 128:325 129:205 130:131
131:405 132:66 133:9 134:178 135:33 136:220
137:91 138:151 139:76 140:484 141:99 142:399
143:309 144:356 145:51 146:377 147:153 148:505
149:185 150:130 151:194 152:144 153:135 154:10
155:273 156:174 157:272 158:167 159:222 160:257
161:114 162:231 163:186 164:525 165:459 166:331
167:323 168:614 169:131 170:446 171:29 172:11
189:189 190:2186 192:5805 193:4107 194:3232 195:2490
196:1085 198:3751 199:3258 200:6006 201:1608 202:8127
203:7897 204:4002 205:2083 206:2492 207:2828 208:3525
209:3546 210:2889 211:1182 212:1406 213:1656 214:466
215:49 216:4414 217:1197 218:397 219:488 220:1081
221:456 222:370
End of report
