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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Thu 08 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: 262993
Prefixes after maximum aggregation: 128400
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 124125
Total ASes present in the Internet Routing Table: 28161
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 24519
Origin ASes announcing only one prefix: 11405
Transit ASes present in the Internet Routing Table: 3642
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 29
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25464
Unregistered ASNs in the Routing Table: 1898
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 798
Number of addresses announced to Internet: 1867785903
Equivalent to 111 /8s, 84 /16s and 38 /24s
Percentage of available address space announced: 50.4
Percentage of allocated address space announced: 61.9
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: 128165
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45203
Total APNIC prefixes after maximum aggregation: 13487
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 57487
Unique aggregates announced from the APNIC address blocks: 23620
APNIC Region origin ASes present in the Internet Routing Table: 1943
APNIC Prefixes per ASN: 29.59
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 355
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 347450336
Equivalent to 20 /8s, 181 /16s and 171 /24s
Percentage of available APNIC address space announced: 79.7
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: 111197
Total ARIN prefixes after maximum aggregation: 60395
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89512
Unique aggregates announced from the ARIN address blocks: 34503
ARIN Region origin ASes present in the Internet Routing Table: 11798
ARIN Prefixes per ASN: 7.59
ARIN Region origin ASes announcing only one prefix: 4599
ARIN Region transit ASes present in the Internet Routing Table: 1054
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360191489
Equivalent to 21 /8s, 120 /16s and 22 /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: 55765
Total RIPE prefixes after maximum aggregation: 33702
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51111
Unique aggregates announced from the RIPE address blocks: 33669
RIPE Region origin ASes present in the Internet Routing Table: 11316
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5907
RIPE Region transit ASes present in the Internet Routing Table: 1733
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 355801665
Equivalent to 21 /8s, 53 /16s and 26 /24s
Percentage of available RIPE address space announced: 81.6
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: 21524
Total LACNIC prefixes after maximum aggregation: 4943
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 19996
Unique aggregates announced from the LACNIC address blocks: 9865
LACNIC Region origin ASes present in the Internet Routing Table: 896
LACNIC Prefixes per ASN: 22.32
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 50953288
Equivalent to 3 /8s, 9 /16s and 124 /24s
Percentage of available LACNIC address space announced: 50.6
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: 3841
Total AfriNIC prefixes after maximum aggregation: 1212
AfriNIC Deaggregation factor: 3.17
Prefixes being announced from the AfriNIC address blocks: 4168
Unique aggregates announced from the AfriNIC address blocks: 1848
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.15
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 50
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 11801600
Equivalent to 0 /8s, 180 /16s and 20 /24s
Percentage of available AfriNIC address space announced: 35.2
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 1631 387 92 Videsh Sanchar Nigam Ltd. Aut
9583 1180 140 15 Sify Limited
9498 1170 550 61 BHARTI BT INTERNET LTD.
17488 1064 70 76 Hathway IP Over Cable Interne
4134 865 12613 318 CHINANET-BACKBONE
4766 813 6005 343 Korea Telecom (KIX)
18101 678 149 54 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 543 1918 417 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 1425 540 204 Global Crossing
4323 1421 1012 376 Time Warner Telecom
2386 1403 643 865 AT&T Data Communications Serv
7018 1392 10063 992 AT&T WorldNet Services
11492 1212 146 33 Cable One
1803 1140 6 901 SPRINT
7011 1095 319 624 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1017 511 106 AppliedTheory Corporation
6197 989 598 508 BellSouth Network Solutions,
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 426 74 9 Kazakhtelecom Data Network Ad
3292 412 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 337 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
5462 298 666 26 Telewest Broadband
8866 298 78 24 Bulgarian Telecommunication C
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 1607 222 60 Telecom Argentina Stet-France
8151 1204 2433 226 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 416 85 46 ENTEL CHILE S.A.
11172 414 117 68 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 384 25 15 Telefonica del Sur S.A.
20299 343 36 31 NEWCOM AMERICAS
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 60 26 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 219 34 3 EgyNet
2018 179 189 83 Tertiary Education Network
5713 171 560 120 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 116 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 2896 3021 117 bellsouth.net, inc.
4538 2054 3134 41 China Education and Research
23577 1682 33 747 Korea Telecom (ATM-MPLS)
4755 1631 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1607 222 60 Telecom Argentina Stet-France
3549 1425 540 204 Global Crossing
4323 1421 1012 376 Time Warner Telecom
2386 1403 643 865 AT&T Data Communications Serv
7018 1392 10063 992 AT&T WorldNet Services
11492 1212 146 33 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 1607 1547 Telecom Argentina Stet-France
4755 1631 1539 Videsh Sanchar Nigam Ltd. Aut
3549 1425 1221 Global Crossing
11492 1212 1179 Cable One
9583 1180 1165 Sify Limited
9498 1170 1109 BHARTI BT INTERNET LTD.
4323 1421 1045 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1064 988 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 22212 netVMG, Inc.
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
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,
32567 UNALLOCATED 12.14.170.0/24 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 /8:19 /9:9 /10:16 /11:43 /12:140
/13:284 /14:511 /15:1008 /16:9966 /17:4435 /18:7361
/19:15536 /20:18232 /21:17625 /22:22501 /23:23199 /24:138423
/25:848 /26:1011 /27:384 /28:691 /29:345 /30:203
/31:0 /32:203
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1212 Cable One
1803 1121 1140 SPRINT
7303 1114 1607 Telecom Argentina Stet-France
2386 1101 1403 AT&T Data Communications Serv
3549 1053 1425 Global Crossing
18566 1025 1044 Covad Communications
9583 1016 1180 Sify Limited
4538 987 2054 China Education and Research
7011 978 1095 Citizens Utilities
4755 977 1631 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 12:2044 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1069 25:1
32:200 33:3 38:421 40:94 41:658 44:2
47:8 52:3 55:3 56:3 57:45 58:582
59:496 60:441 61:996 62:1162 63:1971 64:3657
65:2435 66:3693 67:1189 68:664 69:2220 70:602
71:122 72:1675 73:6 74:954 75:229 76:321
77:650 78:612 79:153 80:906 81:864 82:640
83:399 84:560 85:1003 86:404 87:666 88:347
89:1296 90:11 91:1210 92:293 93:436 96:27
97:14 98:156 99:3 116:656 117:311 118:125
119:387 120:27 121:530 122:769 123:331 124:849
125:1134 128:322 129:201 130:129 131:405 132:67
133:9 134:182 135:31 136:222 137:112 138:149
139:328 140:482 141:96 142:400 143:287 144:348
145:50 146:377 147:152 148:504 149:185 150:131
151:180 152:144 153:133 154:11 155:268 156:173
157:268 158:167 159:221 160:254 161:111 162:210
163:196 164:519 165:459 166:326 167:320 168:620
169:128 170:446 171:28 172:3 189:209 190:2002
192:5782 193:4113 194:3281 195:2477 196:1072 198:3733
199:3229 200:6037 201:1620 202:8123 203:7853 204:4019
205:2095 206:2482 207:2811 208:3494 209:3546 210:2908
211:1199 212:1418 213:1662 214:453 215:50 216:4410
217:1239 218:401 219:491 220:1076 221:479 222:370
End of report
