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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sun 04 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: 262102
Prefixes after maximum aggregation: 128365
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 123555
Total ASes present in the Internet Routing Table: 28108
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 24454
Origin ASes announcing only one prefix: 11392
Transit ASes present in the Internet Routing Table: 3654
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 29
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25467
Unregistered ASNs in the Routing Table: 1899
Number of 32-bit ASNs allocated by the RIRs: 46
Prefixes from 32-bit ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 787
Number of addresses announced to Internet: 1867309231
Equivalent to 111 /8s, 76 /16s and 224 /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: 71.7
Total number of prefixes smaller than registry allocations: 127410
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44997
Total APNIC prefixes after maximum aggregation: 13472
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 57253
Unique aggregates announced from the APNIC address blocks: 23575
APNIC Region origin ASes present in the Internet Routing Table: 1934
APNIC Prefixes per ASN: 29.60
APNIC Region origin ASes announcing only one prefix: 550
APNIC Region transit ASes present in the Internet Routing Table: 352
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 346777952
Equivalent to 20 /8s, 171 /16s and 105 /24s
Percentage of available APNIC address space announced: 79.5
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: 110791
Total ARIN prefixes after maximum aggregation: 60396
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 89433
Unique aggregates announced from the ARIN address blocks: 34443
ARIN Region origin ASes present in the Internet Routing Table: 11795
ARIN Prefixes per ASN: 7.58
ARIN Region origin ASes announcing only one prefix: 4612
ARIN Region transit ASes present in the Internet Routing Table: 1056
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360414721
Equivalent to 21 /8s, 123 /16s and 126 /24s
Percentage of available ARIN address space announced: 74.1
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: 55529
Total RIPE prefixes after maximum aggregation: 33634
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 50897
Unique aggregates announced from the RIPE address blocks: 33505
RIPE Region origin ASes present in the Internet Routing Table: 11278
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5879
RIPE Region transit ASes present in the Internet Routing Table: 1736
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 355486913
Equivalent to 21 /8s, 48 /16s and 76 /24s
Percentage of available RIPE address space announced: 81.5
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: 21513
Total LACNIC prefixes after maximum aggregation: 4952
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 19966
Unique aggregates announced from the LACNIC address blocks: 9808
LACNIC Region origin ASes present in the Internet Routing Table: 895
LACNIC Prefixes per ASN: 22.31
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 50861384
Equivalent to 3 /8s, 8 /16s and 21 /24s
Percentage of available LACNIC address space announced: 50.5
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: 3806
Total AfriNIC prefixes after maximum aggregation: 1216
AfriNIC Deaggregation factor: 3.13
Prefixes being announced from the AfriNIC address blocks: 4143
Unique aggregates announced from the AfriNIC address blocks: 1847
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.05
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 50
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC addresses announced to Internet: 11768064
Equivalent to 0 /8s, 179 /16s and 145 /24s
Percentage of available AfriNIC address space announced: 35.1
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 2045 3134 41 China Education and Research
4755 1630 387 92 Videsh Sanchar Nigam Ltd. Aut
9498 1164 550 61 BHARTI BT INTERNET LTD.
9583 1161 140 16 Sify Limited
17488 1060 70 75 Hathway IP Over Cable Interne
4134 866 12615 319 CHINANET-BACKBONE
4766 816 6006 346 Korea Telecom (KIX)
18101 680 149 54 Reliance Infocom Ltd Internet
9829 588 443 19 BSNL National Internet Backbo
1221 542 1918 416 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 540 204 Global Crossing
4323 1419 1012 375 Time Warner Telecom
7018 1400 10064 994 AT&T WorldNet Services
2386 1397 642 863 AT&T Data Communications Serv
11492 1212 146 33 Cable One
1803 1131 6 898 SPRINT
7011 1098 319 626 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1014 511 106 AppliedTheory Corporation
6197 988 598 508 BellSouth Network Solutions,
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 368 TDC Tele Danmark
9198 401 74 9 Kazakhtelecom Data Network Ad
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
5462 298 666 26 Telewest Broadband
8866 298 78 24 Bulgarian Telecommunication C
8551 282 269 37 Bezeq International
3215 277 2678 89 France Telecom Transpac
680 272 2047 262 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 1604 222 60 Telecom Argentina Stet-France
8151 1201 2433 223 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 416 85 46 ENTEL CHILE S.A.
11172 414 117 68 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 384 25 15 Telefonica del Sur S.A.
20299 343 36 31 NEWCOM AMERICAS
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 464 61 27 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 218 34 3 EgyNet
2018 179 190 86 Tertiary Education Network
5713 150 558 120 Telkom SA Ltd
6713 144 135 11 Itissalat Al-MAGHRIB
33783 133 9 15 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 2902 3021 117 bellsouth.net, inc.
4538 2045 3134 41 China Education and Research
23577 1684 33 748 Korea Telecom (ATM-MPLS)
4755 1630 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1604 222 60 Telecom Argentina Stet-France
3549 1423 540 204 Global Crossing
4323 1419 1012 375 Time Warner Telecom
7018 1400 10064 994 AT&T WorldNet Services
2386 1397 642 863 AT&T Data Communications Serv
11492 1212 146 33 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 2045 2004 China Education and Research
7303 1604 1544 Telecom Argentina Stet-France
4755 1630 1538 Videsh Sanchar Nigam Ltd. Aut
3549 1423 1219 Global Crossing
11492 1212 1179 Cable One
9583 1161 1145 Sify Limited
9498 1164 1103 BHARTI BT INTERNET LTD.
4323 1419 1044 Time Warner Telecom
18566 1044 1034 Covad Communications
17488 1060 985 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 12.9.150.0/24 701 UUNET Technologies,
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 /12:140
/13:285 /14:511 /15:1009 /16:9959 /17:4438 /18:7359
/19:15529 /20:18216 /21:17584 /22:22446 /23:23160 /24:137707
/25:848 /26:1010 /27:380 /28:686 /29:341 /30:204
/31:0 /32:203
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1212 Cable One
1803 1112 1131 SPRINT
7303 1110 1604 Telecom Argentina Stet-France
2386 1098 1397 AT&T Data Communications Serv
3549 1051 1423 Global Crossing
18566 1025 1044 Covad Communications
9583 996 1161 Sify Limited
4538 982 2045 China Education and Research
7011 981 1098 Citizens Utilities
4755 976 1630 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 8:107 12:2043 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1072 25:1
32:200 33:4 38:420 40:94 41:655 44:2
47:7 52:3 55:3 56:3 57:45 58:577
59:496 60:441 61:996 62:1154 63:1971 64:3654
65:2434 66:3683 67:1185 68:674 69:2195 70:603
71:128 72:1677 73:6 74:951 75:229 76:319
77:651 78:607 79:149 80:901 81:856 82:634
83:392 84:550 85:1005 86:404 87:661 88:352
89:1291 90:11 91:1217 92:294 93:360 96:25
97:14 98:153 99:3 116:638 117:298 118:125
119:382 120:14 121:531 122:765 123:323 124:854
125:1126 128:322 129:201 130:129 131:393 132:67
133:9 134:179 135:32 136:223 137:112 138:149
139:71 140:485 141:96 142:398 143:284 144:351
145:50 146:371 147:151 148:505 149:185 150:132
151:180 152:144 153:133 154:11 155:269 156:173
157:268 158:168 159:221 160:253 161:111 162:212
163:194 164:520 165:459 166:330 167:320 168:617
169:128 170:443 171:28 172:3 189:176 190:1994
192:5782 193:4108 194:3283 195:2463 196:1062 198:3749
199:3231 200:6044 201:1618 202:8058 203:7821 204:4017
205:2101 206:2489 207:2807 208:3470 209:3550 210:2891
211:1201 212:1414 213:1648 214:447 215:51 216:4399
217:1236 218:398 219:490 220:1073 221:482 222:368
End of report
