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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Fri 09 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: 262964
Prefixes after maximum aggregation: 128482
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 124044
Total ASes present in the Internet Routing Table: 28212
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 24474
Origin ASes announcing only one prefix: 11423
Transit ASes present in the Internet Routing Table: 3738
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 29
Max AS path prepend of ASN (17957) 20
Prefixes from unregistered ASNs in the Routing Table: 25441
Unregistered ASNs in the Routing Table: 1902
Number of 32-bit ASNs allocated by the RIRs: 46
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: 788
Number of addresses announced to Internet: 1868623663
Equivalent to 111 /8s, 96 /16s and 239 /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: 128090
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45133
Total APNIC prefixes after maximum aggregation: 13491
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 57442
Unique aggregates announced from the APNIC address blocks: 23596
APNIC Region origin ASes present in the Internet Routing Table: 1949
APNIC Prefixes per ASN: 29.47
APNIC Region origin ASes announcing only one prefix: 555
APNIC Region transit ASes present in the Internet Routing Table: 360
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 347326688
Equivalent to 20 /8s, 179 /16s and 200 /24s
Percentage of available APNIC address space announced: 79.6
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: 111168
Total ARIN prefixes after maximum aggregation: 60460
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89542
Unique aggregates announced from the ARIN address blocks: 34468
ARIN Region origin ASes present in the Internet Routing Table: 11843
ARIN Prefixes per ASN: 7.56
ARIN Region origin ASes announcing only one prefix: 4628
ARIN Region transit ASes present in the Internet Routing Table: 1104
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360242305
Equivalent to 21 /8s, 120 /16s and 220 /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: 55813
Total RIPE prefixes after maximum aggregation: 33726
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51161
Unique aggregates announced from the RIPE address blocks: 33688
RIPE Region origin ASes present in the Internet Routing Table: 11316
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5895
RIPE Region transit ASes present in the Internet Routing Table: 1766
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 356322625
Equivalent to 21 /8s, 61 /16s and 13 /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: 21569
Total LACNIC prefixes after maximum aggregation: 4944
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 20041
Unique aggregates announced from the LACNIC address blocks: 9870
LACNIC Region origin ASes present in the Internet Routing Table: 896
LACNIC Prefixes per ASN: 22.37
LACNIC Region origin ASes announcing only one prefix: 270
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51037000
Equivalent to 3 /8s, 10 /16s and 195 /24s
Percentage of available LACNIC address space announced: 50.7
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: 3841
Total AfriNIC prefixes after maximum aggregation: 1211
AfriNIC Deaggregation factor: 3.17
Prefixes being announced from the AfriNIC address blocks: 4175
Unique aggregates announced from the AfriNIC address blocks: 1860
AfriNIC Region origin ASes present in the Internet Routing Table: 241
AfriNIC Prefixes per ASN: 17.32
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 47
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12198144
Equivalent to 0 /8s, 186 /16s and 33 /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 2054 3134 41 China Education and Research
4755 1630 387 90 Videsh Sanchar Nigam Ltd. Aut
9583 1176 140 15 Sify Limited
9498 1174 550 62 BHARTI BT INTERNET LTD.
17488 1064 70 76 Hathway IP Over Cable Interne
4134 865 12613 318 CHINANET-BACKBONE
4766 813 6005 343 Korea Telecom (KIX)
18101 679 149 54 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 1424 540 205 Global Crossing
4323 1424 1014 378 Time Warner Telecom
2386 1401 642 864 AT&T Data Communications Serv
7018 1395 10048 987 AT&T WorldNet Services
11492 1212 146 33 Cable One
1803 1141 6 902 SPRINT
7011 1095 319 624 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1018 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
9198 428 74 9 Kazakhtelecom Data Network Ad
3292 411 1788 368 TDC Tele Danmark
8452 355 188 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 278 2686 90 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 1612 223 63 Telecom Argentina Stet-France
8151 1178 2381 211 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 415 85 46 ENTEL CHILE S.A.
11172 410 85 66 Servicios Alestra S.A de C.V
10620 389 99 70 TVCABLE BOGOTA
14117 375 23 9 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 462 60 26 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 220 34 3 EgyNet
2018 179 189 83 Tertiary Education Network
5713 171 560 120 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
33776 99 6 7 Starcomms Nigeria Limited
29571 95 13 7 Ci Telecom Autonomous system
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 2880 3002 111 bellsouth.net, inc.
4538 2054 3134 41 China Education and Research
23577 1684 33 748 Korea Telecom (ATM-MPLS)
4755 1630 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1612 223 63 Telecom Argentina Stet-France
3549 1424 540 205 Global Crossing
4323 1424 1014 378 Time Warner Telecom
2386 1401 642 864 AT&T Data Communications Serv
7018 1395 10048 987 AT&T WorldNet Services
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 2054 2013 China Education and Research
7303 1612 1549 Telecom Argentina Stet-France
4755 1630 1540 Videsh Sanchar Nigam Ltd. Aut
3549 1424 1219 Global Crossing
11492 1212 1179 Cable One
9583 1176 1161 Sify Limited
9498 1174 1112 BHARTI BT INTERNET LTD.
4323 1424 1046 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 12.9.150.0/24 701 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 /14:513 /15:1008 /16:9972 /17:4443 /18:7373
/19:15534 /20:18256 /21:17635 /22:22495 /23:23220 /24:138356
/25:844 /26:991 /27:368 /28:692 /29:346 /30:204
/31:0 /32:202
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1212 Cable One
1803 1122 1141 SPRINT
7303 1120 1612 Telecom Argentina Stet-France
2386 1102 1401 AT&T Data Communications Serv
3549 1052 1424 Global Crossing
18566 1025 1044 Covad Communications
9583 1012 1176 Sify Limited
4538 987 2054 China Education and Research
4755 979 1630 Videsh Sanchar Nigam Ltd. Aut
7011 978 1095 Citizens Utilities
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2047 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1069 25:1
32:200 33:3 38:421 40:94 41:659 44:2
47:8 52:3 55:3 56:3 57:45 58:581
59:496 60:441 61:986 62:1161 63:1969 64:3656
65:2437 66:3663 67:1193 68:664 69:2217 70:604
71:122 72:1675 73:6 74:953 75:230 76:323
77:654 78:609 79:151 80:904 81:867 82:640
83:401 84:566 85:1008 86:404 87:667 88:346
89:1299 90:11 91:1209 92:299 93:439 96:27
97:14 98:156 99:3 114:2 116:657 117:318
118:134 119:387 120:27 121:527 122:766 123:335
124:845 125:1135 128:323 129:201 130:129 131:405
132:67 133:9 134:180 135:31 136:220 137:112
138:139 139:276 140:483 141:96 142:398 143:280
144:349 145:50 146:377 147:152 148:506 149:185
150:131 151:180 152:144 153:133 154:11 155:268
156:173 157:268 158:167 159:221 160:254 161:111
162:214 163:196 164:520 165:458 166:329 167:320
168:620 169:130 170:447 171:28 172:3 189:208
190:2029 192:5780 193:4108 194:3274 195:2475 196:1065
198:3740 199:3238 200:6044 201:1618 202:8123 203:7819
204:4023 205:2094 206:2488 207:2810 208:3486 209:3545
210:2903 211:1203 212:1426 213:1660 214:444 215:50
216:4408 217:1239 218:401 219:491 220:1082 221:479
222:370
End of report
