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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Wed 14 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: 263028
Prefixes after maximum aggregation: 128395
Deaggregation factor: 2.05
Unique aggregates announced to Internet: 123950
Total ASes present in the Internet Routing Table: 28183
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 24539
Origin ASes announcing only one prefix: 11415
Transit ASes present in the Internet Routing Table: 3644
Transit-only ASes present in the Internet Routing Table: 83
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: 25632
Unregistered ASNs in the Routing Table: 1890
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: 1870095792
Equivalent to 111 /8s, 119 /16s and 101 /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: 71.7
Total number of prefixes smaller than registry allocations: 128042
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45230
Total APNIC prefixes after maximum aggregation: 13449
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 57595
Unique aggregates announced from the APNIC address blocks: 23637
APNIC Region origin ASes present in the Internet Routing Table: 1948
APNIC Prefixes per ASN: 29.57
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 357
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 349084640
Equivalent to 20 /8s, 206 /16s and 155 /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: 110870
Total ARIN prefixes after maximum aggregation: 60403
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89559
Unique aggregates announced from the ARIN address blocks: 34516
ARIN Region origin ASes present in the Internet Routing Table: 11814
ARIN Prefixes per ASN: 7.58
ARIN Region origin ASes announcing only one prefix: 4613
ARIN Region transit ASes present in the Internet Routing Table: 1045
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 359857665
Equivalent to 21 /8s, 114 /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: 55744
Total RIPE prefixes after maximum aggregation: 33701
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51097
Unique aggregates announced from the RIPE address blocks: 33592
RIPE Region origin ASes present in the Internet Routing Table: 11318
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5905
RIPE Region transit ASes present in the Internet Routing Table: 1738
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 356462658
Equivalent to 21 /8s, 63 /16s and 48 /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: 21686
Total LACNIC prefixes after maximum aggregation: 4957
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 20139
Unique aggregates announced from the LACNIC address blocks: 9939
LACNIC Region origin ASes present in the Internet Routing Table: 899
LACNIC Prefixes per ASN: 22.40
LACNIC Region origin ASes announcing only one prefix: 272
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51255880
Equivalent to 3 /8s, 14 /16s and 26 /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: 3868
Total AfriNIC prefixes after maximum aggregation: 1199
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4194
Unique aggregates announced from the AfriNIC address blocks: 1862
AfriNIC Region origin ASes present in the Internet Routing Table: 244
AfriNIC Prefixes per ASN: 17.19
AfriNIC Region origin ASes announcing only one prefix: 76
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: 16
Number of AfriNIC addresses announced to Internet: 12190720
Equivalent to 0 /8s, 186 /16s and 4 /24s
Percentage of available AfriNIC address space announced: 36.3
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 1173 550 61 BHARTI BT INTERNET LTD.
9583 1168 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 678 149 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 540 204 Global Crossing
4323 1411 1012 377 Time Warner Telecom
2386 1407 643 869 AT&T Data Communications Serv
7018 1401 10064 992 AT&T WorldNet Services
11492 1214 146 32 Cable One
1803 1159 6 911 SPRINT
7011 1083 317 615 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1030 630 543 BellSouth Network Solutions,
1785 1016 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 293 77 22 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 1622 226 61 Telecom Argentina Stet-France
8151 1218 2465 229 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 412 117 68 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 357 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 464 61 27 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 221 34 3 EgyNet
2018 181 173 82 Tertiary Education Network
5713 174 575 109 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 115 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 3096 3037 123 bellsouth.net, inc.
4538 2056 3134 41 China Education and Research
23577 1686 34 749 Korea Telecom (ATM-MPLS)
4755 1638 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1622 226 61 Telecom Argentina Stet-France
3549 1423 540 204 Global Crossing
4323 1411 1012 377 Time Warner Telecom
2386 1407 643 869 AT&T Data Communications Serv
7018 1401 10064 992 AT&T WorldNet Services
8151 1218 2465 229 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 2056 2015 China Education and Research
7303 1622 1561 Telecom Argentina Stet-France
4755 1638 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1423 1219 Global Crossing
11492 1214 1182 Cable One
9583 1168 1153 Sify Limited
9498 1173 1112 BHARTI BT INTERNET LTD.
4323 1411 1034 Time Warner Telecom
18566 1044 1034 Covad Communications
8151 1218 989 UniNet S.A. de C.V.
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 /11:41 /12:141
/13:285 /14:514 /15:1006 /16:9970 /17:4438 /18:7383
/19:15559 /20:18285 /21:17663 /22:22541 /23:23220 /24:138260
/25:844 /26:991 /27:371 /28:694 /29:349 /30:217
/31:0 /32:212
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1200 1214 Cable One
1803 1139 1159 SPRINT
7303 1127 1622 Telecom Argentina Stet-France
2386 1107 1407 AT&T Data Communications Serv
3549 1051 1423 Global Crossing
18566 1025 1044 Covad Communications
9583 1005 1168 Sify Limited
4538 988 2056 China Education and Research
4755 984 1638 Videsh Sanchar Nigam Ltd. Aut
7011 966 1083 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 12:2054 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1068 25:1
32:199 33:3 38:421 40:93 41:666 44:2
47:12 52:3 55:3 56:3 57:45 58:575
59:495 60:442 61:991 62:1132 63:1969 64:3644
65:2429 66:3693 67:1189 68:659 69:2228 70:599
71:121 72:1673 73:6 74:959 75:228 76:322
77:660 78:610 79:148 80:897 81:867 82:639
83:402 84:563 85:1008 86:409 87:657 88:343
89:1305 90:11 91:1222 92:274 93:447 96:29
97:14 98:154 99:3 114:3 116:646 117:338
118:133 119:394 120:29 121:537 122:773 123:349
124:848 125:1137 128:322 129:202 130:129 131:405
132:66 133:9 134:180 135:33 136:220 137:113
138:144 139:72 140:489 141:95 142:391 143:282
144:352 145:50 146:377 147:151 148:494 149:185
150:131 151:180 152:144 153:133 154:11 155:271
156:174 157:268 158:165 159:220 160:256 161:111
162:215 163:199 164:521 165:456 166:328 167:318
168:623 169:131 170:447 171:28 172:23 189:179
190:2094 192:5785 193:4109 194:3280 195:2469 196:1085
198:3743 199:3236 200:6036 201:1620 202:8138 203:7836
204:4014 205:2094 206:2485 207:2803 208:3496 209:3544
210:2902 211:1206 212:1409 213:1657 214:454 215:50
216:4405 217:1233 218:400 219:493 220:1075 221:472
222:371
End of report
