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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sun 25 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: 266435
Prefixes after maximum aggregation: 128677
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124351
Total ASes present in the Internet Routing Table: 28313
Prefixes per ASN: 9.41
Origin-only ASes present in the Internet Routing Table: 24627
Origin ASes announcing only one prefix: 11860
Transit ASes present in the Internet Routing Table: 3686
Transit-only ASes present in the Internet Routing Table: 84
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 622
Unregistered ASNs in the Routing Table: 236
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: 782
Number of addresses announced to Internet: 1889640270
Equivalent to 112 /8s, 161 /16s and 159 /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: 130750
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63393
Total APNIC prefixes after maximum aggregation: 21691
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 60537
Unique aggregates announced from the APNIC address blocks: 23824
APNIC Region origin ASes present in the Internet Routing Table: 3250
APNIC Prefixes per ASN: 18.63
APNIC Region origin ASes announcing only one prefix: 863
APNIC Region transit ASes present in the Internet Routing Table: 506
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 349532640
Equivalent to 20 /8s, 213 /16s and 113 /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: 121155
Total ARIN prefixes after maximum aggregation: 66381
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 90017
Unique aggregates announced from the ARIN address blocks: 34402
ARIN Region origin ASes present in the Internet Routing Table: 12206
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4694
ARIN Region transit ASes present in the Internet Routing Table: 1170
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359899905
Equivalent to 21 /8s, 115 /16s and 163 /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: 55607
Total RIPE prefixes after maximum aggregation: 33850
RIPE Deaggregation factor: 1.64
Prefixes being announced from the RIPE address blocks: 50957
Unique aggregates announced from the RIPE address blocks: 33794
RIPE Region origin ASes present in the Internet Routing Table: 11367
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5920
RIPE Region transit ASes present in the Internet Routing Table: 1727
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 358101568
Equivalent to 21 /8s, 88 /16s and 50 /24s
Percentage of available RIPE address space announced: 82.1
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: 21795
Total LACNIC prefixes after maximum aggregation: 5048
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 20163
Unique aggregates announced from the LACNIC address blocks: 10085
LACNIC Region origin ASes present in the Internet Routing Table: 948
LACNIC Prefixes per ASN: 21.27
LACNIC Region origin ASes announcing only one prefix: 308
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: 29
Number of LACNIC addresses announced to Internet: 51674056
Equivalent to 3 /8s, 20 /16s and 123 /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: 3866
Total AfriNIC prefixes after maximum aggregation: 1208
AfriNIC Deaggregation factor: 3.20
Prefixes being announced from the AfriNIC address blocks: 4172
Unique aggregates announced from the AfriNIC address blocks: 1846
AfriNIC Region origin ASes present in the Internet Routing Table: 244
AfriNIC Prefixes per ASN: 17.10
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12245248
Equivalent to 0 /8s, 186 /16s and 217 /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 3586 12659 318 CHINANET-BACKBONE
4538 2038 3134 41 China Education and Research
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
9498 1162 550 61 BHARTI BT INTERNET LTD.
9583 1146 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
23577 841 34 747 Korea Telecom (ATM-MPLS)
4766 815 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 1995 3087 178 bellsouth.net, inc.
4323 1465 1045 379 Time Warner Telecom
2386 1436 645 881 AT&T Data Communications Serv
3549 1427 540 209 Global Crossing
7018 1378 10045 977 AT&T WorldNet Services
11492 1223 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 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 1624 225 66 Telecom Argentina Stet-France
8151 1224 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 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 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 12659 318 CHINANET-BACKBONE
4538 2038 3134 41 China Education and Research
6389 1995 3087 178 bellsouth.net, inc.
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1624 225 66 Telecom Argentina Stet-France
4323 1465 1045 379 Time Warner Telecom
2386 1436 645 881 AT&T Data Communications Serv
3549 1427 540 209 Global Crossing
7018 1378 10045 977 AT&T WorldNet Services
8151 1224 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 2038 1997 China Education and Research
6389 1995 1817 bellsouth.net, inc.
7303 1624 1558 Telecom Argentina Stet-France
4755 1636 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1427 1218 Global Crossing
11492 1223 1212 Cable One
9583 1146 1131 Sify Limited
9498 1162 1101 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 /15:1019 /16:9988 /17:4470 /18:7441
/19:15695 /20:18465 /21:18027 /22:23073 /23:23630 /24:139779
/25:874 /26:1097 /27:373 /28:699 /29:352 /30:209
/31:0 /32:206
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2340 3586 CHINANET-BACKBONE
6389 1231 1995 bellsouth.net, inc.
11492 1205 1223 Cable One
1803 1153 1174 SPRINT
2386 1134 1436 AT&T Data Communications Serv
7303 1131 1624 Telecom Argentina Stet-France
3549 1054 1427 Global Crossing
18566 1025 1044 Covad Communications
4755 985 1636 Videsh Sanchar Nigam Ltd. Aut
9583 984 1146 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:108 12:2068 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1075 25:1
32:199 33:3 38:424 40:93 41:640 44:2
47:12 52:3 55:3 56:3 57:46 58:583
59:514 60:442 61:1206 62:1139 63:1966 64:3636
65:2421 66:3705 67:1208 68:681 69:2245 70:636
71:125 72:1759 73:5 74:974 75:217 76:323
77:664 78:616 79:168 80:901 81:859 82:595
83:405 84:576 85:1021 86:416 87:657 88:328
89:1231 90:11 91:1236 92:193 93:494 96:31
97:18 98:172 99:3 114:13 116:657 117:326
118:179 119:428 120:37 121:530 122:773 123:350
124:876 125:1443 128:325 129:203 130:131 131:404
132:66 133:9 134:178 135:33 136:216 137:90
138:151 139:75 140:481 141:99 142:400 143:300
144:357 145:50 146:375 147:152 148:488 149:185
150:131 151:191 152:144 153:134 154:10 155:273
156:174 157:272 158:162 159:221 160:257 161:112
162:228 163:184 164:524 165:459 166:325 167:323
168:604 169:131 170:446 171:28 172:11 189:181
190:2183 192:5795 193:4108 194:3231 195:2482 196:1067
198:3748 199:3262 200:6005 201:1602 202:8238 203:7882
204:4009 205:2090 206:2496 207:2833 208:3508 209:3542
210:2895 211:1207 212:1404 213:1643 214:471 215:49
216:4422 217:1196 218:512 219:529 220:1200 221:522
222:594
End of report
