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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sat 24 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: 266277
Prefixes after maximum aggregation: 128619
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124231
Total ASes present in the Internet Routing Table: 28306
Prefixes per ASN: 9.41
Origin-only ASes present in the Internet Routing Table: 24633
Origin ASes announcing only one prefix: 11860
Transit ASes present in the Internet Routing Table: 3673
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 27
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 619
Unregistered ASNs in the Routing Table: 237
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: 806
Number of addresses announced to Internet: 1889235310
Equivalent to 112 /8s, 155 /16s and 113 /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: 130689
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63316
Total APNIC prefixes after maximum aggregation: 21684
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 60458
Unique aggregates announced from the APNIC address blocks: 23797
APNIC Region origin ASes present in the Internet Routing Table: 3248
APNIC Prefixes per ASN: 18.61
APNIC Region origin ASes announcing only one prefix: 865
APNIC Region transit ASes present in the Internet Routing Table: 510
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 349526496
Equivalent to 20 /8s, 213 /16s and 89 /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: 121121
Total ARIN prefixes after maximum aggregation: 66359
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 89971
Unique aggregates announced from the ARIN address blocks: 34386
ARIN Region origin ASes present in the Internet Routing Table: 12209
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4698
ARIN Region transit ASes present in the Internet Routing Table: 1168
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359871745
Equivalent to 21 /8s, 115 /16s and 53 /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: 55559
Total RIPE prefixes after maximum aggregation: 33822
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50883
Unique aggregates announced from the RIPE address blocks: 33728
RIPE Region origin ASes present in the Internet Routing Table: 11362
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5918
RIPE Region transit ASes present in the Internet Routing Table: 1714
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 357563712
Equivalent to 21 /8s, 79 /16s and 253 /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: 21826
Total LACNIC prefixes after maximum aggregation: 5049
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 20164
Unique aggregates announced from the LACNIC address blocks: 10073
LACNIC Region origin ASes present in the Internet Routing Table: 950
LACNIC Prefixes per ASN: 21.23
LACNIC Region origin ASes announcing only one prefix: 306
LACNIC Region transit ASes present in the Internet Routing Table: 166
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 51650280
Equivalent to 3 /8s, 20 /16s and 30 /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: 3839
Total AfriNIC prefixes after maximum aggregation: 1205
AfriNIC Deaggregation factor: 3.19
Prefixes being announced from the AfriNIC address blocks: 4144
Unique aggregates announced from the AfriNIC address blocks: 1832
AfriNIC Region origin ASes present in the Internet Routing Table: 239
AfriNIC Prefixes per ASN: 17.34
AfriNIC Region origin ASes announcing only one prefix: 73
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12198656
Equivalent to 0 /8s, 186 /16s and 35 /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 3586 12661 319 CHINANET-BACKBONE
4538 2035 3134 41 China Education and Research
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
9498 1151 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 1993 3087 178 bellsouth.net, inc.
4323 1465 1045 379 Time Warner Telecom
2386 1436 645 881 AT&T Data Communications Serv
3549 1430 540 209 Global Crossing
7018 1382 10059 980 AT&T WorldNet Services
11492 1221 148 11 Cable One
1803 1174 6 924 SPRINT
7011 1088 302 616 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 411 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 337 1458 305 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
5462 297 666 26 Telewest Broadband
8866 297 77 21 Bulgarian Telecommunication C
3215 284 2702 93 France Telecom Transpac
8551 282 269 37 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
9155 270 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 1625 225 66 Telecom Argentina Stet-France
8151 1223 2464 227 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 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 361 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 3586 12661 319 CHINANET-BACKBONE
4538 2035 3134 41 China Education and Research
6389 1993 3087 178 bellsouth.net, inc.
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1625 225 66 Telecom Argentina Stet-France
4323 1465 1045 379 Time Warner Telecom
2386 1436 645 881 AT&T Data Communications Serv
3549 1430 540 209 Global Crossing
7018 1382 10059 980 AT&T WorldNet Services
8151 1223 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 2035 1994 China Education and Research
6389 1993 1815 bellsouth.net, inc.
7303 1625 1559 Telecom Argentina Stet-France
4755 1636 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1430 1221 Global Crossing
11492 1221 1210 Cable One
9583 1149 1134 Sify Limited
9498 1151 1090 BHARTI BT INTERNET LTD.
4323 1465 1086 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 /15:1018 /16:9988 /17:4464 /18:7437
/19:15695 /20:18454 /21:17996 /22:23066 /23:23630 /24:139678
/25:878 /26:1098 /27:371 /28:699 /29:352 /30:209
/31:0 /32:206
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2339 3586 CHINANET-BACKBONE
6389 1229 1993 bellsouth.net, inc.
11492 1203 1221 Cable One
1803 1153 1174 SPRINT
2386 1134 1436 AT&T Data Communications Serv
7303 1131 1625 Telecom Argentina Stet-France
3549 1057 1430 Global Crossing
18566 1025 1044 Covad Communications
9583 987 1149 Sify Limited
4755 985 1636 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 12:2069 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1074 25:1
32:199 33:3 38:426 40:93 41:645 44:2
47:12 52:3 55:3 56:3 57:46 58:581
59:510 60:442 61:1206 62:1145 63:1967 64:3635
65:2419 66:3699 67:1207 68:681 69:2241 70:636
71:125 72:1758 73:5 74:973 75:215 76:323
77:653 78:601 79:169 80:894 81:859 82:595
83:406 84:576 85:1019 86:405 87:657 88:330
89:1210 90:11 91:1226 92:195 93:494 96:31
97:18 98:172 99:3 114:13 116:658 117:326
118:179 119:427 120:37 121:533 122:773 123:349
124:876 125:1444 128:325 129:203 130:131 131:404
132:66 133:9 134:178 135:33 136:220 137:90
138:151 139:71 140:483 141:99 142:400 143:300
144:357 145:50 146:375 147:153 148:502 149:185
150:131 151:191 152:144 153:134 154:11 155:273
156:174 157:272 158:163 159:221 160:257 161:114
162:230 163:186 164:524 165:458 166:325 167:324
168:612 169:131 170:446 171:28 172:11 189:182
190:2188 192:5795 193:4104 194:3236 195:2483 196:1066
198:3744 199:3262 200:5998 201:1611 202:8229 203:7848
204:4011 205:2089 206:2496 207:2834 208:3510 209:3542
210:2868 211:1209 212:1401 213:1642 214:472 215:49
216:4419 217:1207 218:512 219:529 220:1200 221:520
222:594
End of report
