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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sat 17 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: 263302
Prefixes after maximum aggregation: 128408
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 124264
Total ASes present in the Internet Routing Table: 28228
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 24590
Origin ASes announcing only one prefix: 11428
Transit ASes present in the Internet Routing Table: 3638
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 29
Max AS path prepend of ASN (13791) 17
Prefixes from unregistered ASNs in the Routing Table: 25684
Unregistered ASNs in the Routing Table: 1899
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 790
Number of addresses announced to Internet: 1871576943
Equivalent to 111 /8s, 141 /16s and 255 /24s
Percentage of available address space announced: 50.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.9
Total number of prefixes smaller than registry allocations: 128262
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45163
Total APNIC prefixes after maximum aggregation: 13504
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 57551
Unique aggregates announced from the APNIC address blocks: 23827
APNIC Region origin ASes present in the Internet Routing Table: 1955
APNIC Prefixes per ASN: 29.44
APNIC Region origin ASes announcing only one prefix: 552
APNIC Region transit ASes present in the Internet Routing Table: 364
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 349162976
Equivalent to 20 /8s, 207 /16s and 205 /24s
Percentage of available APNIC address space announced: 80.0
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: 111004
Total ARIN prefixes after maximum aggregation: 60410
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89642
Unique aggregates announced from the ARIN address blocks: 34340
ARIN Region origin ASes present in the Internet Routing Table: 11824
ARIN Prefixes per ASN: 7.58
ARIN Region origin ASes announcing only one prefix: 4613
ARIN Region transit ASes present in the Internet Routing Table: 1059
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360095489
Equivalent to 21 /8s, 118 /16s and 159 /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: 55810
Total RIPE prefixes after maximum aggregation: 33754
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51155
Unique aggregates announced from the RIPE address blocks: 33746
RIPE Region origin ASes present in the Internet Routing Table: 11334
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5910
RIPE Region transit ASes present in the Internet Routing Table: 1720
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 357119297
Equivalent to 21 /8s, 73 /16s and 53 /24s
Percentage of available RIPE address space announced: 81.9
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: 21782
Total LACNIC prefixes after maximum aggregation: 4980
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 20259
Unique aggregates announced from the LACNIC address blocks: 10054
LACNIC Region origin ASes present in the Internet Routing Table: 906
LACNIC Prefixes per ASN: 22.36
LACNIC Region origin ASes announcing only one prefix: 277
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51329544
Equivalent to 3 /8s, 15 /16s and 58 /24s
Percentage of available LACNIC address space announced: 51.0
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: 3861
Total AfriNIC prefixes after maximum aggregation: 1196
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4201
Unique aggregates announced from the AfriNIC address blocks: 1852
AfriNIC Region origin ASes present in the Internet Routing Table: 244
AfriNIC Prefixes per ASN: 17.22
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: 4.5
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12205056
Equivalent to 0 /8s, 186 /16s and 60 /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 2057 3134 41 China Education and Research
4755 1639 387 92 Videsh Sanchar Nigam Ltd. Aut
9498 1170 550 61 BHARTI BT INTERNET LTD.
9583 1150 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4134 866 12661 319 CHINANET-BACKBONE
4766 814 6005 344 Korea Telecom (KIX)
18101 679 149 51 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 545 1918 419 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 1428 540 207 Global Crossing
4323 1426 1028 378 Time Warner Telecom
2386 1410 629 881 AT&T Data Communications Serv
7018 1394 10061 992 AT&T WorldNet Services
11492 1218 148 13 Cable One
1803 1163 6 913 SPRINT
7011 1085 318 616 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1029 630 542 BellSouth Network Solutions,
1785 1016 510 104 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 414 1789 371 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
5462 298 666 26 Telewest Broadband
8866 297 77 22 Bulgarian Telecommunication C
8551 282 269 37 Bezeq International
3215 279 2686 90 France Telecom Transpac
680 275 2047 265 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 1621 225 66 Telecom Argentina Stet-France
8151 1206 2416 225 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 405 116 65 Servicios Alestra S.A de C.V
10620 388 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 359 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 470 61 27 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 222 34 3 EgyNet
2018 182 173 82 Tertiary Education Network
5713 174 575 108 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 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 3714 3045 167 bellsouth.net, inc.
4538 2057 3134 41 China Education and Research
23577 1678 34 746 Korea Telecom (ATM-MPLS)
4755 1639 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1621 225 66 Telecom Argentina Stet-France
3549 1428 540 207 Global Crossing
4323 1426 1028 378 Time Warner Telecom
2386 1410 629 881 AT&T Data Communications Serv
7018 1394 10061 992 AT&T WorldNet Services
11492 1218 148 13 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 2057 2016 China Education and Research
7303 1621 1555 Telecom Argentina Stet-France
4755 1639 1547 Videsh Sanchar Nigam Ltd. Aut
3549 1428 1221 Global Crossing
11492 1218 1205 Cable One
9583 1150 1135 Sify Limited
9498 1170 1109 BHARTI BT INTERNET LTD.
4323 1426 1048 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 2914 Verio, 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 7018 AT&T WorldNet Servic
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 /8:20 /9:9 /10:16 /11:43 /12:141
/13:286 /14:517 /15:1014 /16:9999 /17:4439 /18:7383
/19:15578 /20:18313 /21:17664 /22:22536 /23:23239 /24:138441
/25:843 /26:988 /27:373 /28:695 /29:348 /30:206
/31:0 /32:211
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1201 1218 Cable One
6389 1145 3714 bellsouth.net, inc.
1803 1143 1163 SPRINT
7303 1127 1621 Telecom Argentina Stet-France
2386 1110 1410 AT&T Data Communications Serv
3549 1054 1428 Global Crossing
18566 1025 1044 Covad Communications
4538 989 2057 China Education and Research
9583 988 1150 Sify Limited
4755 985 1639 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 12:2061 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1069 25:1
32:199 33:3 38:421 40:93 41:670 44:2
47:12 52:3 55:3 56:3 57:45 58:572
59:498 60:442 61:991 62:1133 63:1971 64:3638
65:2427 66:3710 67:1197 68:659 69:2233 70:610
71:120 72:1675 73:5 74:964 75:219 76:322
77:669 78:613 79:151 80:901 81:866 82:618
83:401 84:550 85:1021 86:412 87:659 88:340
89:1310 90:11 91:1234 92:275 93:447 96:32
97:15 98:155 99:3 114:4 116:643 117:328
118:135 119:397 120:39 121:539 122:765 123:352
124:850 125:1138 128:322 129:204 130:132 131:405
132:66 133:9 134:180 135:33 136:221 137:119
138:145 139:71 140:492 141:95 142:390 143:280
144:349 145:50 146:377 147:152 148:492 149:185
150:131 151:181 152:144 153:134 154:11 155:273
156:174 157:271 158:163 159:221 160:254 161:112
162:213 163:199 164:522 165:457 166:326 167:321
168:608 169:130 170:447 171:28 172:23 189:179
190:2189 192:5780 193:4110 194:3280 195:2476 196:1066
198:3742 199:3248 200:6052 201:1629 202:8089 203:7847
204:4009 205:2092 206:2488 207:2814 208:3511 209:3545
210:2913 211:1198 212:1415 213:1650 214:456 215:50
216:4419 217:1217 218:406 219:495 220:1080 221:470
222:372
End of report
