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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Mon 19 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: 265568
Prefixes after maximum aggregation: 128269
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 123939
Total ASes present in the Internet Routing Table: 28215
Prefixes per ASN: 9.41
Origin-only ASes present in the Internet Routing Table: 24486
Origin ASes announcing only one prefix: 11428
Transit ASes present in the Internet Routing Table: 3729
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 28
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 25735
Unregistered ASNs in the Routing Table: 1898
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: 783
Number of addresses announced to Internet: 1869699951
Equivalent to 111 /8s, 113 /16s and 91 /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: 71.9
Total number of prefixes smaller than registry allocations: 130616
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47486
Total APNIC prefixes after maximum aggregation: 13359
APNIC Deaggregation factor: 3.55
Prefixes being announced from the APNIC address blocks: 59957
Unique aggregates announced from the APNIC address blocks: 23608
APNIC Region origin ASes present in the Internet Routing Table: 1930
APNIC Prefixes per ASN: 31.07
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 361
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 348498400
Equivalent to 20 /8s, 197 /16s and 169 /24s
Percentage of available APNIC address space announced: 79.9
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: 110933
Total ARIN prefixes after maximum aggregation: 60425
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89591
Unique aggregates announced from the ARIN address blocks: 34337
ARIN Region origin ASes present in the Internet Routing Table: 11835
ARIN Prefixes per ASN: 7.57
ARIN Region origin ASes announcing only one prefix: 4626
ARIN Region transit ASes present in the Internet Routing Table: 1092
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 360044033
Equivalent to 21 /8s, 117 /16s and 214 /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: 55790
Total RIPE prefixes after maximum aggregation: 33757
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51139
Unique aggregates announced from the RIPE address blocks: 33714
RIPE Region origin ASes present in the Internet Routing Table: 11336
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5900
RIPE Region transit ASes present in the Internet Routing Table: 1759
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 357066049
Equivalent to 21 /8s, 72 /16s and 101 /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: 21784
Total LACNIC prefixes after maximum aggregation: 4972
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 20255
Unique aggregates announced from the LACNIC address blocks: 10055
LACNIC Region origin ASes present in the Internet Routing Table: 904
LACNIC Prefixes per ASN: 22.41
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 161
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 51328008
Equivalent to 3 /8s, 15 /16s and 52 /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: 3842
Total AfriNIC prefixes after maximum aggregation: 1191
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4176
Unique aggregates announced from the AfriNIC address blocks: 1850
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.26
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
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
4134 3579 12661 319 CHINANET-BACKBONE
4538 2057 3134 41 China Education and Research
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
9498 1173 550 62 BHARTI BT INTERNET LTD.
9583 1148 140 14 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4766 814 6005 344 Korea Telecom (KIX)
18101 679 149 51 Reliance Infocom Ltd Internet
9829 596 451 13 BSNL National Internet Backbo
1221 544 1918 418 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 1445 540 208 Global Crossing
4323 1427 1028 378 Time Warner Telecom
2386 1412 629 881 AT&T Data Communications Serv
7018 1387 10061 984 AT&T WorldNet Services
11492 1218 148 13 Cable One
1803 1161 6 911 SPRINT
7011 1085 318 616 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1028 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 413 1788 370 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 317 7044 266 Deutsche Telekom AG
5462 298 666 26 Telewest Broadband
8866 297 77 21 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 1624 225 66 Telecom Argentina Stet-France
8151 1215 2462 228 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 420 85 47 ENTEL CHILE S.A.
11172 408 117 66 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 360 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 473 61 28 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 168 bellsouth.net, inc.
4134 3579 12661 319 CHINANET-BACKBONE
4538 2057 3134 41 China Education and Research
23577 1678 33 746 Korea Telecom (ATM-MPLS)
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1624 225 66 Telecom Argentina Stet-France
3549 1445 540 208 Global Crossing
4323 1427 1028 378 Time Warner Telecom
2386 1412 629 881 AT&T Data Communications Serv
7018 1387 10061 984 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 3579 3260 CHINANET-BACKBONE
4538 2057 2016 China Education and Research
7303 1624 1558 Telecom Argentina Stet-France
4755 1636 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1445 1237 Global Crossing
11492 1218 1205 Cable One
9583 1148 1134 Sify Limited
9498 1173 1111 BHARTI BT INTERNET LTD.
4323 1427 1049 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
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 /8:19 /9:9 /10:16 /11:43 /12:141
/13:285 /14:519 /15:1016 /16:9996 /17:4462 /18:7421
/19:15628 /20:18389 /21:17895 /22:22958 /23:23587 /24:139378
/25:877 /26:1098 /27:372 /28:695 /29:349 /30:204
/31:0 /32:211
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2335 3579 CHINANET-BACKBONE
11492 1201 1218 Cable One
6389 1144 3714 bellsouth.net, inc.
1803 1141 1161 SPRINT
7303 1129 1624 Telecom Argentina Stet-France
2386 1112 1412 AT&T Data Communications Serv
3549 1063 1445 Global Crossing
18566 1025 1044 Covad Communications
4538 989 2057 China Education and Research
9583 986 1148 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2062 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1067 25:1
32:199 33:3 38:421 40:93 41:667 44:2
47:12 52:3 55:3 56:3 57:46 58:579
59:518 60:442 61:1180 62:1138 63:1967 64:3634
65:2430 66:3706 67:1197 68:659 69:2230 70:610
71:113 72:1672 73:5 74:964 75:217 76:318
77:661 78:600 79:151 80:899 81:865 82:628
83:402 84:570 85:1022 86:410 87:648 88:340
89:1309 90:10 91:1228 92:276 93:446 96:32
97:15 98:154 99:3 114:5 116:657 117:338
118:181 119:400 120:39 121:539 122:767 123:352
124:874 125:1443 128:322 129:203 130:132 131:405
132:66 133:9 134:179 135:33 136:219 137:88
138:146 139:72 140:492 141:95 142:401 143:281
144:351 145:50 146:377 147:152 148:490 149:185
150:131 151:182 152:144 153:134 154:11 155:273
156:174 157:271 158:162 159:221 160:255 161:111
162:216 163:199 164:522 165:459 166:326 167:321
168:625 169:131 170:446 171:28 172:23 189:179
190:2189 192:5776 193:4099 194:3282 195:2478 196:1049
198:3743 199:3245 200:6044 201:1632 202:8034 203:7709
204:4009 205:2102 206:2489 207:2815 208:3517 209:3537
210:2902 211:1217 212:1426 213:1658 214:457 215:50
216:4420 217:1219 218:520 219:528 220:1198 221:524
222:595
End of report
