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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Fri 16 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: 262921
Prefixes after maximum aggregation: 128579
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 123980
Total ASes present in the Internet Routing Table: 28194
Prefixes per ASN: 9.33
Origin-only ASes present in the Internet Routing Table: 24583
Origin ASes announcing only one prefix: 11402
Transit ASes present in the Internet Routing Table: 3611
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 27
Max AS path prepend of ASN (13791) 17
Prefixes from unregistered ASNs in the Routing Table: 25690
Unregistered ASNs in the Routing Table: 1902
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: 798
Number of addresses announced to Internet: 1870097007
Equivalent to 111 /8s, 119 /16s and 106 /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: 128057
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44999
Total APNIC prefixes after maximum aggregation: 13533
APNIC Deaggregation factor: 3.33
Prefixes being announced from the APNIC address blocks: 57401
Unique aggregates announced from the APNIC address blocks: 23716
APNIC Region origin ASes present in the Internet Routing Table: 1952
APNIC Prefixes per ASN: 29.41
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 363
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 348760800
Equivalent to 20 /8s, 201 /16s and 170 /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: 110914
Total ARIN prefixes after maximum aggregation: 60438
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89579
Unique aggregates announced from the ARIN address blocks: 34333
ARIN Region origin ASes present in the Internet Routing Table: 11823
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: 1054
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 359909377
Equivalent to 21 /8s, 115 /16s and 200 /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: 55691
Total RIPE prefixes after maximum aggregation: 33717
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 51034
Unique aggregates announced from the RIPE address blocks: 33609
RIPE Region origin ASes present in the Internet Routing Table: 11305
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5893
RIPE Region transit ASes present in the Internet Routing Table: 1703
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 356190785
Equivalent to 21 /8s, 59 /16s and 10 /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: 21752
Total LACNIC prefixes after maximum aggregation: 4977
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 20225
Unique aggregates announced from the LACNIC address blocks: 10031
LACNIC Region origin ASes present in the Internet Routing Table: 900
LACNIC Prefixes per ASN: 22.47
LACNIC Region origin ASes announcing only one prefix: 270
LACNIC Region transit ASes present in the Internet Routing Table: 153
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 51299336
Equivalent to 3 /8s, 14 /16s and 196 /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: 3877
Total AfriNIC prefixes after maximum aggregation: 1199
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4202
Unique aggregates announced from the AfriNIC address blocks: 1849
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.29
AfriNIC Region origin ASes announcing only one prefix: 78
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12206592
Equivalent to 0 /8s, 186 /16s and 66 /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 1638 387 92 Videsh Sanchar Nigam Ltd. Aut
9498 1177 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 51 Reliance Infocom Ltd Internet
9829 596 450 12 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 1423 540 205 Global Crossing
4323 1422 1028 378 Time Warner Telecom
2386 1413 629 882 AT&T Data Communications Serv
7018 1392 10062 989 AT&T WorldNet Services
11492 1218 148 13 Cable One
1803 1163 6 913 SPRINT
7011 1086 318 617 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 316 7043 265 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 1620 225 65 Telecom Argentina Stet-France
8151 1191 2414 217 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 407 117 66 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 355 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 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
29571 116 13 8 Ci Telecom Autonomous system
5536 115 7 27 Internet Egypt Network
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 3104 3037 123 bellsouth.net, inc.
4538 2057 3134 41 China Education and Research
23577 1682 34 747 Korea Telecom (ATM-MPLS)
4755 1638 387 92 Videsh Sanchar Nigam Ltd. Aut
7303 1620 225 65 Telecom Argentina Stet-France
3549 1423 540 205 Global Crossing
4323 1422 1028 378 Time Warner Telecom
2386 1413 629 882 AT&T Data Communications Serv
7018 1392 10062 989 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 1620 1555 Telecom Argentina Stet-France
4755 1638 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1423 1218 Global Crossing
11492 1218 1205 Cable One
9583 1150 1135 Sify Limited
9498 1177 1116 BHARTI BT INTERNET LTD.
4323 1422 1044 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 /11:41 /12:141
/13:286 /14:515 /15:1011 /16:9983 /17:4438 /18:7377
/19:15563 /20:18304 /21:17649 /22:22525 /23:23234 /24:138140
/25:844 /26:989 /27:373 /28:695 /29:349 /30:208
/31:0 /32:212
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1201 1218 Cable One
1803 1143 1163 SPRINT
7303 1126 1620 Telecom Argentina Stet-France
2386 1112 1413 AT&T Data Communications Serv
3549 1052 1423 Global Crossing
18566 1025 1044 Covad Communications
4538 989 2057 China Education and Research
9583 988 1150 Sify Limited
4755 984 1638 Videsh Sanchar Nigam Ltd. Aut
7011 969 1086 Citizens Utilities
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:110 12:2060 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1069 25:1
32:199 33:3 38:421 40:93 41:667 44:2
47:12 52:3 55:3 56:3 57:46 58:570
59:498 60:442 61:993 62:1131 63:1969 64:3639
65:2430 66:3699 67:1191 68:658 69:2225 70:610
71:121 72:1667 73:5 74:965 75:227 76:322
77:668 78:612 79:150 80:877 81:868 82:622
83:400 84:566 85:991 86:412 87:654 88:340
89:1302 90:11 91:1226 92:274 93:447 96:32
97:14 98:154 99:3 114:4 116:638 117:324
118:133 119:375 120:39 121:537 122:772 123:336
124:846 125:1137 128:321 129:205 130:131 131:404
132:66 133:9 134:180 135:33 136:220 137:117
138:146 139:72 140:492 141:95 142:390 143:291
144:351 145:50 146:377 147:152 148:487 149:185
150:131 151:181 152:144 153:134 154:11 155:271
156:174 157:271 158:163 159:221 160:255 161:111
162:216 163:198 164:506 165:455 166:327 167:320
168:625 169:131 170:446 171:28 172:23 189:179
190:2167 192:5781 193:4095 194:3277 195:2465 196:1081
198:3743 199:3246 200:6043 201:1622 202:8023 203:7843
204:4014 205:2089 206:2485 207:2809 208:3511 209:3538
210:2893 211:1198 212:1424 213:1655 214:450 215:50
216:4406 217:1214 218:405 219:496 220:1079 221:466
222:371
End of report
