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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sun 18 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: 263378
Prefixes after maximum aggregation: 128425
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 124218
Total ASes present in the Internet Routing Table: 28235
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 24598
Origin ASes announcing only one prefix: 11423
Transit ASes present in the Internet Routing Table: 3637
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 27
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 25739
Unregistered ASNs in the Routing Table: 1896
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: 785
Number of addresses announced to Internet: 1871220591
Equivalent to 111 /8s, 136 /16s and 143 /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: 71.9
Total number of prefixes smaller than registry allocations: 128390
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45117
Total APNIC prefixes after maximum aggregation: 13513
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 57561
Unique aggregates announced from the APNIC address blocks: 23786
APNIC Region origin ASes present in the Internet Routing Table: 1951
APNIC Prefixes per ASN: 29.50
APNIC Region origin ASes announcing only one prefix: 551
APNIC Region transit ASes present in the Internet Routing Table: 365
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 349137888
Equivalent to 20 /8s, 207 /16s and 107 /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: 110958
Total ARIN prefixes after maximum aggregation: 60368
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89596
Unique aggregates announced from the ARIN address blocks: 34340
ARIN Region origin ASes present in the Internet Routing Table: 11831
ARIN Prefixes per ASN: 7.57
ARIN Region origin ASes announcing only one prefix: 4619
ARIN Region transit ASes present in the Internet Routing Table: 1074
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 360047361
Equivalent to 21 /8s, 117 /16s and 227 /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: 55903
Total RIPE prefixes after maximum aggregation: 33793
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51260
Unique aggregates announced from the RIPE address blocks: 33754
RIPE Region origin ASes present in the Internet Routing Table: 11342
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5908
RIPE Region transit ASes present in the Internet Routing Table: 1699
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 357207617
Equivalent to 21 /8s, 74 /16s and 142 /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: 21791
Total LACNIC prefixes after maximum aggregation: 4993
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 20261
Unique aggregates announced from the LACNIC address blocks: 10052
LACNIC Region origin ASes present in the Internet Routing Table: 901
LACNIC Prefixes per ASN: 22.49
LACNIC Region origin ASes announcing only one prefix: 269
LACNIC Region transit ASes present in the Internet Routing Table: 158
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 51328776
Equivalent to 3 /8s, 15 /16s and 55 /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: 3872
Total AfriNIC prefixes after maximum aggregation: 1196
AfriNIC Deaggregation factor: 3.24
Prefixes being announced from the AfriNIC address blocks: 4196
Unique aggregates announced from the AfriNIC address blocks: 1852
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.27
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 16
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
4538 2057 3134 41 China Education and Research
4755 1635 387 90 Videsh Sanchar Nigam Ltd. Aut
9498 1174 550 62 BHARTI BT INTERNET LTD.
9583 1150 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
4134 866 12661 319 CHINANET-BACKBONE
4766 814 6005 344 Korea Telecom (KIX)
18101 679 149 51 Reliance Infocom Ltd Internet
9829 598 451 13 BSNL National Internet Backbo
1221 545 1918 419 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 1438 540 208 Global Crossing
4323 1427 1028 378 Time Warner Telecom
2386 1413 629 882 AT&T Data Communications Serv
7018 1388 10061 985 AT&T WorldNet Services
11492 1218 148 13 Cable One
1803 1163 6 913 SPRINT
7011 1085 318 616 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1029 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 316 7043 265 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
680 274 2045 264 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 1623 225 65 Telecom Argentina Stet-France
8151 1191 2414 216 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 406 116 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 470 61 27 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 3716 3045 168 bellsouth.net, inc.
4538 2057 3134 41 China Education and Research
23577 1680 34 747 Korea Telecom (ATM-MPLS)
4755 1635 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1623 225 65 Telecom Argentina Stet-France
3549 1438 540 208 Global Crossing
4323 1427 1028 378 Time Warner Telecom
2386 1413 629 882 AT&T Data Communications Serv
7018 1388 10061 985 AT&T WorldNet Services
11492 1218 148 13 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 2057 2016 China Education and Research
7303 1623 1558 Telecom Argentina Stet-France
4755 1635 1545 Videsh Sanchar Nigam Ltd. Aut
3549 1438 1230 Global Crossing
11492 1218 1205 Cable One
9583 1150 1135 Sify Limited
9498 1174 1112 BHARTI BT INTERNET LTD.
4323 1427 1049 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
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
/13:286 /14:517 /15:1014 /16:9994 /17:4441 /18:7382
/19:15576 /20:18312 /21:17667 /22:22548 /23:23241 /24:138505
/25:844 /26:988 /27:374 /28:695 /29:349 /30:206
/31:0 /32:211
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1201 1218 Cable One
6389 1145 3716 bellsouth.net, inc.
1803 1143 1163 SPRINT
7303 1129 1623 Telecom Argentina Stet-France
2386 1112 1413 AT&T Data Communications Serv
3549 1057 1438 Global Crossing
18566 1025 1044 Covad Communications
4538 989 2057 China Education and Research
9583 988 1150 Sify Limited
4755 984 1635 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 8:109 12:2063 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1069 25:1
32:199 33:3 38:422 40:93 41:670 44:2
47:12 52:3 55:3 56:3 57:46 58:573
59:500 60:442 61:992 62:1137 63:1968 64:3632
65:2429 66:3705 67:1198 68:659 69:2227 70:609
71:120 72:1671 73:5 74:964 75:219 76:322
77:669 78:612 79:151 80:900 81:867 82:631
83:402 84:568 85:1021 86:412 87:659 88:340
89:1309 90:11 91:1230 92:276 93:447 96:32
97:15 98:155 99:3 114:5 116:645 117:327
118:135 119:393 120:39 121:538 122:767 123:354
124:852 125:1136 128:322 129:203 130:132 131:405
132:66 133:9 134:180 135:33 136:221 137:120
138:145 139:72 140:490 141:94 142:390 143:281
144:352 145:50 146:377 147:152 148:489 149:185
150:131 151:181 152:144 153:134 154:11 155:272
156:174 157:271 158:163 159:221 160:255 161:112
162:214 163:199 164:522 165:457 166:327 167:321
168:623 169:131 170:445 171:28 172:23 189:179
190:2190 192:5781 193:4109 194:3285 195:2478 196:1060
198:3743 199:3243 200:6049 201:1632 202:8076 203:7832
204:4007 205:2087 206:2488 207:2814 208:3514 209:3542
210:2913 211:1226 212:1430 213:1660 214:457 215:50
216:4420 217:1219 218:413 219:493 220:1084 221:470
222:374
End of report
