[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Wed 28 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: 266761
Prefixes after maximum aggregation: 128856
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124818
Total ASes present in the Internet Routing Table: 28354
Prefixes per ASN: 9.41
Origin-only ASes present in the Internet Routing Table: 24662
Origin ASes announcing only one prefix: 11886
Transit ASes present in the Internet Routing Table: 3692
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 663
Unregistered ASNs in the Routing Table: 251
Number of 32-bit ASNs allocated by the RIRs: 48
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: 804
Number of addresses announced to Internet: 1890222190
Equivalent to 112 /8s, 170 /16s and 128 /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: 131040
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63375
Total APNIC prefixes after maximum aggregation: 21731
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 60496
Unique aggregates announced from the APNIC address blocks: 23908
APNIC Region origin ASes present in the Internet Routing Table: 3254
APNIC Prefixes per ASN: 18.59
APNIC Region origin ASes announcing only one prefix: 864
APNIC Region transit ASes present in the Internet Routing Table: 515
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 349970656
Equivalent to 20 /8s, 220 /16s and 32 /24s
Percentage of available APNIC address space announced: 80.2
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: 121261
Total ARIN prefixes after maximum aggregation: 66330
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 90200
Unique aggregates announced from the ARIN address blocks: 34439
ARIN Region origin ASes present in the Internet Routing Table: 12192
ARIN Prefixes per ASN: 7.40
ARIN Region origin ASes announcing only one prefix: 4695
ARIN Region transit ASes present in the Internet Routing Table: 1173
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359527041
Equivalent to 21 /8s, 109 /16s and 242 /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: 55693
Total RIPE prefixes after maximum aggregation: 33938
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 51036
Unique aggregates announced from the RIPE address blocks: 33870
RIPE Region origin ASes present in the Internet Routing Table: 11391
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5942
RIPE Region transit ASes present in the Internet Routing Table: 1731
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 358386240
Equivalent to 21 /8s, 92 /16s and 138 /24s
Percentage of available RIPE address space announced: 82.2
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: 21894
Total LACNIC prefixes after maximum aggregation: 5121
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 20205
Unique aggregates announced from the LACNIC address blocks: 10302
LACNIC Region origin ASes present in the Internet Routing Table: 954
LACNIC Prefixes per ASN: 21.18
LACNIC Region origin ASes announcing only one prefix: 310
LACNIC Region transit ASes present in the Internet Routing Table: 164
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51755368
Equivalent to 3 /8s, 21 /16s and 185 /24s
Percentage of available LACNIC address space announced: 51.4
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: 3876
Total AfriNIC prefixes after maximum aggregation: 1207
AfriNIC Deaggregation factor: 3.21
Prefixes being announced from the AfriNIC address blocks: 4182
Unique aggregates announced from the AfriNIC address blocks: 1858
AfriNIC Region origin ASes present in the Internet Routing Table: 244
AfriNIC Prefixes per ASN: 17.14
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12311296
Equivalent to 0 /8s, 187 /16s and 219 /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
4134 3592 12693 320 CHINANET-BACKBONE
4538 2040 3134 41 China Education and Research
4755 1583 382 135 Videsh Sanchar Nigam Ltd. Aut
9498 1165 550 61 BHARTI BT INTERNET LTD.
9583 1150 140 15 Sify Limited
17488 1067 70 76 Hathway IP Over Cable Interne
23577 838 34 744 Korea Telecom (ATM-MPLS)
4766 815 6005 344 Korea Telecom (KIX)
18101 679 150 52 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 1464 1045 379 Time Warner Telecom
2386 1435 645 879 AT&T Data Communications Serv
3549 1421 540 208 Global Crossing
7018 1376 9917 975 AT&T WorldNet Services
11492 1222 148 12 Cable One
1803 1174 6 924 SPRINT
7011 1090 302 618 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1021 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 410 1772 368 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1460 306 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
8866 297 77 21 Bulgarian Telecommunication C
5462 294 666 26 Telewest Broadband
3215 284 2702 93 France Telecom Transpac
8551 282 269 38 Bezeq International
680 275 2047 265 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 1633 226 67 Telecom Argentina Stet-France
8151 1231 2464 227 UniNet S.A. de C.V.
11830 602 299 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 410 118 68 Servicios Alestra S.A de C.V
10620 390 99 69 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 278 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 182 173 82 Tertiary Education Network
5713 174 575 108 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
4134 3592 12693 320 CHINANET-BACKBONE
4538 2040 3134 41 China Education and Research
6389 1994 3086 177 bellsouth.net, inc.
7303 1633 226 67 Telecom Argentina Stet-France
4755 1583 382 135 Videsh Sanchar Nigam Ltd. Aut
4323 1464 1045 379 Time Warner Telecom
2386 1435 645 879 AT&T Data Communications Serv
3549 1421 540 208 Global Crossing
7018 1376 9917 975 AT&T WorldNet Services
8151 1231 2464 227 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 2040 1999 China Education and Research
6389 1994 1817 bellsouth.net, inc.
7303 1633 1566 Telecom Argentina Stet-France
4755 1583 1448 Videsh Sanchar Nigam Ltd. Aut
3549 1421 1213 Global Crossing
11492 1222 1210 Cable One
9583 1150 1135 Sify Limited
9498 1165 1104 BHARTI BT INTERNET LTD.
4323 1464 1085 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 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 /12:142
/13:286 /14:520 /15:1019 /16:9997 /17:4461 /18:7429
/19:15707 /20:18478 /21:18036 /22:23392 /23:23639 /24:139785
/25:856 /26:1096 /27:365 /28:695 /29:346 /30:212
/31:0 /32:212
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2342 3592 CHINANET-BACKBONE
6389 1231 1994 bellsouth.net, inc.
11492 1204 1222 Cable One
1803 1153 1174 SPRINT
7303 1138 1633 Telecom Argentina Stet-France
2386 1133 1435 AT&T Data Communications Serv
3549 1048 1421 Global Crossing
18566 1025 1044 Covad Communications
9583 988 1150 Sify Limited
4538 974 2040 China Education and Research
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2070 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1076 25:1
32:199 33:3 38:424 40:93 41:647 43:1
44:2 47:12 52:3 55:3 56:3 57:46
58:588 59:507 60:443 61:1203 62:1134 63:1957
64:3585 65:2417 66:3693 67:1208 68:681 69:2244
70:635 71:125 72:1758 73:5 74:977 75:216
76:330 77:666 78:616 79:169 80:895 81:858
82:595 83:405 84:579 85:1023 86:421 87:690
88:325 89:1208 90:11 91:1260 92:184 93:502
96:31 97:18 98:173 99:3 114:16 116:684
117:326 118:180 119:433 120:40 121:536 122:776
123:350 124:873 125:1450 128:325 129:203 130:131
131:403 132:66 133:9 134:178 135:33 136:220
137:90 138:151 139:76 140:484 141:99 142:398
143:307 144:352 145:50 146:377 147:153 148:500
149:184 150:131 151:184 152:144 153:135 154:11
155:273 156:174 157:272 158:165 159:222 160:257
161:114 162:228 163:186 164:525 165:459 166:325
167:323 168:611 169:131 170:445 171:28 172:11
189:188 190:2187 192:5797 193:4105 194:3234 195:2490
196:1076 198:3745 199:3262 200:6011 201:1599 202:8221
203:7883 204:4007 205:2087 206:2494 207:2827 208:3508
209:3537 210:2900 211:1211 212:1404 213:1639 214:468
215:49 216:4393 217:1196 218:512 219:516 220:1196
221:522 222:595
End of report