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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Fri 23 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: 266381
Prefixes after maximum aggregation: 128733
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124353
Total ASes present in the Internet Routing Table: 28301
Prefixes per ASN: 9.41
Origin-only ASes present in the Internet Routing Table: 24629
Origin ASes announcing only one prefix: 11854
Transit ASes present in the Internet Routing Table: 3672
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 27
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 616
Unregistered ASNs in the Routing Table: 234
Number of 32-bit ASNs allocated by the RIRs: 47
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: 800
Number of addresses announced to Internet: 1889336814
Equivalent to 112 /8s, 156 /16s and 253 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 72.0
Total number of prefixes smaller than registry allocations: 130734
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63372
Total APNIC prefixes after maximum aggregation: 21724
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 60530
Unique aggregates announced from the APNIC address blocks: 23930
APNIC Region origin ASes present in the Internet Routing Table: 3253
APNIC Prefixes per ASN: 18.61
APNIC Region origin ASes announcing only one prefix: 868
APNIC Region transit ASes present in the Internet Routing Table: 511
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 349437920
Equivalent to 20 /8s, 211 /16s and 255 /24s
Percentage of available APNIC address space announced: 80.1
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: 121137
Total ARIN prefixes after maximum aggregation: 66431
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 89961
Unique aggregates announced from the ARIN address blocks: 34338
ARIN Region origin ASes present in the Internet Routing Table: 12205
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4699
ARIN Region transit ASes present in the Internet Routing Table: 1168
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359826177
Equivalent to 21 /8s, 114 /16s and 131 /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: 55600
Total RIPE prefixes after maximum aggregation: 33813
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50927
Unique aggregates announced from the RIPE address blocks: 33747
RIPE Region origin ASes present in the Internet Routing Table: 11351
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5908
RIPE Region transit ASes present in the Internet Routing Table: 1718
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 357895488
Equivalent to 21 /8s, 85 /16s and 13 /24s
Percentage of available RIPE address space announced: 82.0
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: 21800
Total LACNIC prefixes after maximum aggregation: 5060
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 20155
Unique aggregates announced from the LACNIC address blocks: 10086
LACNIC Region origin ASes present in the Internet Routing Table: 949
LACNIC Prefixes per ASN: 21.24
LACNIC Region origin ASes announcing only one prefix: 305
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 51626888
Equivalent to 3 /8s, 19 /16s and 195 /24s
Percentage of available LACNIC address space announced: 51.3
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: 3859
Total AfriNIC prefixes after maximum aggregation: 1205
AfriNIC Deaggregation factor: 3.20
Prefixes being announced from the AfriNIC address blocks: 4167
Unique aggregates announced from the AfriNIC address blocks: 1842
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: 74
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12238848
Equivalent to 0 /8s, 186 /16s and 192 /24s
Percentage of available AfriNIC address space announced: 36.5
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
4134 3585 12661 319 CHINANET-BACKBONE
4538 2038 3134 41 China Education and Research
4755 1635 386 90 Videsh Sanchar Nigam Ltd. Aut
9498 1171 550 61 BHARTI BT INTERNET LTD.
9583 1149 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
23577 841 34 747 Korea Telecom (ATM-MPLS)
4766 813 6005 344 Korea Telecom (KIX)
18101 678 149 51 Reliance Infocom Ltd Internet
9829 599 451 13 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 1858 3045 168 bellsouth.net, inc.
4323 1463 1045 379 Time Warner Telecom
2386 1435 645 879 AT&T Data Communications Serv
3549 1429 540 208 Global Crossing
7018 1379 10043 978 AT&T WorldNet Services
11492 1223 148 11 Cable One
1803 1171 6 921 SPRINT
7011 1087 302 616 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 411 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 339 1459 307 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
5462 297 666 26 Telewest Broadband
8866 297 77 21 Bulgarian Telecommunication C
3215 282 2702 93 France Telecom Transpac
8551 282 269 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
9155 269 46 11 QualityNet AS number
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 1623 225 65 Telecom Argentina Stet-France
8151 1217 2416 223 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 414 85 46 ENTEL CHILE S.A.
11172 410 117 67 Servicios Alestra S.A de C.V
10620 389 99 72 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 363 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 277 853 223 The Internet Solution
20858 223 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 100 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
4134 3585 12661 319 CHINANET-BACKBONE
4538 2038 3134 41 China Education and Research
6389 1858 3045 168 bellsouth.net, inc.
4755 1635 386 90 Videsh Sanchar Nigam Ltd. Aut
7303 1623 225 65 Telecom Argentina Stet-France
4323 1463 1045 379 Time Warner Telecom
2386 1435 645 879 AT&T Data Communications Serv
3549 1429 540 208 Global Crossing
7018 1379 10043 978 AT&T WorldNet Services
11492 1223 148 11 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 2038 1997 China Education and Research
6389 1858 1690 bellsouth.net, inc.
7303 1623 1558 Telecom Argentina Stet-France
4755 1635 1545 Videsh Sanchar Nigam Ltd. Aut
3549 1429 1221 Global Crossing
11492 1223 1212 Cable One
9583 1149 1134 Sify Limited
9498 1171 1110 BHARTI BT INTERNET LTD.
4323 1463 1084 Time Warner Telecom
18566 1044 1034 Covad Communications
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 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
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
/13:287 /14:521 /15:1017 /16:9992 /17:4460 /18:7424
/19:15696 /20:18456 /21:18012 /22:23071 /23:23631 /24:139766
/25:880 /26:1098 /27:375 /28:697 /29:351 /30:209
/31:0 /32:208
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2338 3585 CHINANET-BACKBONE
11492 1205 1223 Cable One
1803 1150 1171 SPRINT
6389 1145 1858 bellsouth.net, inc.
2386 1133 1435 AT&T Data Communications Serv
7303 1129 1623 Telecom Argentina Stet-France
3549 1057 1429 Global Crossing
18566 1025 1044 Covad Communications
9583 987 1149 Sify Limited
4755 985 1635 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 8:108 12:2063 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1071 25:1
32:199 33:3 38:425 40:93 41:651 44:2
47:12 52:3 55:3 56:3 57:46 58:584
59:510 60:442 61:1202 62:1146 63:1970 64:3633
65:2419 66:3697 67:1204 68:681 69:2239 70:636
71:125 72:1760 73:5 74:973 75:217 76:324
77:666 78:617 79:153 80:898 81:858 82:596
83:401 84:576 85:1021 86:415 87:657 88:329
89:1225 90:11 91:1235 92:194 93:487 96:30
97:17 98:172 99:3 114:13 116:658 117:333
118:179 119:422 120:37 121:534 122:771 123:350
124:876 125:1445 128:326 129:203 130:131 131:404
132:66 133:9 134:178 135:33 136:221 137:87
138:151 139:71 140:483 141:99 142:399 143:302
144:361 145:50 146:376 147:153 148:502 149:185
150:131 151:191 152:144 153:134 154:10 155:273
156:174 157:272 158:163 159:221 160:257 161:114
162:226 163:186 164:523 165:458 166:325 167:323
168:612 169:131 170:446 171:28 172:11 189:182
190:2193 192:5793 193:4104 194:3231 195:2486 196:1061
198:3747 199:3266 200:6019 201:1611 202:8239 203:7859
204:4011 205:2099 206:2496 207:2829 208:3508 209:3543
210:2875 211:1211 212:1400 213:1638 214:474 215:50
216:4416 217:1208 218:513 219:529 220:1199 221:521
222:594
End of report
