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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Thu 15 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: 263238
Prefixes after maximum aggregation: 128480
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 123926
Total ASes present in the Internet Routing Table: 28204
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 24555
Origin ASes announcing only one prefix: 11420
Transit ASes present in the Internet Routing Table: 3649
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 29
Max AS path prepend of ASN (13791) 17
Prefixes from unregistered ASNs in the Routing Table: 25596
Unregistered ASNs in the Routing Table: 1895
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 790
Number of addresses announced to Internet: 1870388143
Equivalent to 111 /8s, 123 /16s and 219 /24s
Percentage of available address space announced: 50.5
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.8
Total number of prefixes smaller than registry allocations: 128211
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45133
Total APNIC prefixes after maximum aggregation: 13473
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 57469
Unique aggregates announced from the APNIC address blocks: 23723
APNIC Region origin ASes present in the Internet Routing Table: 1944
APNIC Prefixes per ASN: 29.56
APNIC Region origin ASes announcing only one prefix: 543
APNIC Region transit ASes present in the Internet Routing Table: 361
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 348944352
Equivalent to 20 /8s, 204 /16s and 119 /24s
Percentage of available APNIC address space announced: 80.0
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: 111149
Total ARIN prefixes after maximum aggregation: 60415
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89820
Unique aggregates announced from the ARIN address blocks: 34322
ARIN Region origin ASes present in the Internet Routing Table: 11825
ARIN Prefixes per ASN: 7.60
ARIN Region origin ASes announcing only one prefix: 4625
ARIN Region transit ASes present in the Internet Routing Table: 1058
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 359923201
Equivalent to 21 /8s, 115 /16s and 254 /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: 55811
Total RIPE prefixes after maximum aggregation: 33731
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51159
Unique aggregates announced from the RIPE address blocks: 33661
RIPE Region origin ASes present in the Internet Routing Table: 11328
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5903
RIPE Region transit ASes present in the Internet Routing Table: 1727
Average RIPE Region AS path length visible: 5.9
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 356228161
Equivalent to 21 /8s, 59 /16s and 156 /24s
Percentage of available RIPE address space announced: 81.7
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: 21675
Total LACNIC prefixes after maximum aggregation: 4971
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 20146
Unique aggregates announced from the LACNIC address blocks: 9956
LACNIC Region origin ASes present in the Internet Routing Table: 901
LACNIC Prefixes per ASN: 22.36
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51276104
Equivalent to 3 /8s, 14 /16s and 105 /24s
Percentage of available LACNIC address space announced: 50.9
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: 1195
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4203
Unique aggregates announced from the AfriNIC address blocks: 1855
AfriNIC Region origin ASes present in the Internet Routing Table: 244
AfriNIC Prefixes per ASN: 17.23
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12208640
Equivalent to 0 /8s, 186 /16s and 74 /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
4538 2056 3134 41 China Education and Research
4755 1638 387 92 Videsh Sanchar Nigam Ltd. Aut
9498 1174 550 61 BHARTI BT INTERNET LTD.
9583 1150 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4134 865 12629 318 CHINANET-BACKBONE
4766 814 6005 344 Korea Telecom (KIX)
18101 677 149 53 Reliance Infocom Ltd Internet
9829 598 450 12 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 1423 540 205 Global Crossing
4323 1419 1012 377 Time Warner Telecom
2386 1410 643 871 AT&T Data Communications Serv
7018 1400 10064 992 AT&T WorldNet Services
11492 1217 147 12 Cable One
1803 1161 6 911 SPRINT
7011 1083 317 615 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1029 630 542 BellSouth Network Solutions,
1785 1017 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
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 318 7044 267 Deutsche Telekom AG
5462 298 666 26 Telewest Broadband
8866 297 77 22 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 1622 226 61 Telecom Argentina Stet-France
8151 1215 2464 230 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 419 85 46 ENTEL CHILE S.A.
11172 409 117 66 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 356 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 470 61 28 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 221 34 3 EgyNet
2018 181 173 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 98 6 10 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 3104 3037 123 bellsouth.net, inc.
4538 2056 3134 41 China Education and Research
23577 1678 33 745 Korea Telecom (ATM-MPLS)
4755 1638 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1622 226 61 Telecom Argentina Stet-France
3549 1423 540 205 Global Crossing
4323 1419 1012 377 Time Warner Telecom
2386 1410 643 871 AT&T Data Communications Serv
7018 1400 10064 992 AT&T WorldNet Services
11492 1217 147 12 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 2056 2015 China Education and Research
7303 1622 1561 Telecom Argentina Stet-France
4755 1638 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1423 1218 Global Crossing
11492 1217 1205 Cable One
9583 1150 1135 Sify Limited
9498 1174 1113 BHARTI BT INTERNET LTD.
4323 1419 1042 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1064 988 Hathway IP Over Cable Interne
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
0.0.0.0/1 1299 TeliaNet Global Network
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)
-------------------------------------------------------
/1:1 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:9 /10:16 /11:41 /12:140
/13:286 /14:515 /15:1010 /16:9976 /17:4442 /18:7387
/19:15571 /20:18310 /21:17660 /22:22546 /23:23361 /24:138278
/25:843 /26:991 /27:372 /28:693 /29:349 /30:208
/31:0 /32:213
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1200 1217 Cable One
1803 1141 1161 SPRINT
7303 1127 1622 Telecom Argentina Stet-France
2386 1110 1410 AT&T Data Communications Serv
3549 1052 1423 Global Crossing
18566 1025 1044 Covad Communications
4538 988 2056 China Education and Research
9583 988 1150 Sify Limited
4755 984 1638 Videsh Sanchar Nigam Ltd. Aut
6389 968 3104 bellsouth.net, inc.
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2057 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1066 25:1
32:199 33:3 38:421 40:93 41:668 44:2
47:12 52:3 55:3 56:3 57:46 58:581
59:495 60:442 61:993 62:1136 63:1971 64:3648
65:2437 66:3698 67:1191 68:660 69:2224 70:607
71:124 72:1667 73:6 74:966 75:238 76:322
77:660 78:610 79:150 80:883 81:868 82:630
83:402 84:565 85:1019 86:411 87:657 88:341
89:1302 90:11 91:1229 92:274 93:447 96:29
97:14 98:163 99:3 114:4 116:644 117:328
118:133 119:394 120:39 121:537 122:768 123:352
124:849 125:1138 128:322 129:202 130:129 131:402
132:66 133:9 134:180 135:33 136:220 137:117
138:146 139:73 140:489 141:95 142:389 143:285
144:349 145:50 146:377 147:151 148:492 149:185
150:131 151:181 152:144 153:134 154:11 155:270
156:174 157:268 158:163 159:221 160:257 161:111
162:216 163:198 164:505 165:456 166:327 167:321
168:623 169:131 170:447 171:28 172:23 189:179
190:2099 192:5784 193:4111 194:3285 195:2477 196:1080
198:3742 199:3247 200:6051 201:1622 202:8098 203:7836
204:4015 205:2088 206:2481 207:2811 208:3499 209:3541
210:2893 211:1186 212:1416 213:1660 214:456 215:50
216:4409 217:1219 218:398 219:496 220:1075 221:468
222:371
End of report
