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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Tue 06 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: 262384
Prefixes after maximum aggregation: 128381
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 123651
Total ASes present in the Internet Routing Table: 28147
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 24460
Origin ASes announcing only one prefix: 11408
Transit ASes present in the Internet Routing Table: 3687
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 37
Max AS path prepend of ASN (18678) 21
Prefixes from unregistered ASNs in the Routing Table: 25427
Unregistered ASNs in the Routing Table: 1896
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: 786
Number of addresses announced to Internet: 1867524527
Equivalent to 111 /8s, 80 /16s and 41 /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: 127559
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45107
Total APNIC prefixes after maximum aggregation: 13512
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 57356
Unique aggregates announced from the APNIC address blocks: 23603
APNIC Region origin ASes present in the Internet Routing Table: 1939
APNIC Prefixes per ASN: 29.58
APNIC Region origin ASes announcing only one prefix: 549
APNIC Region transit ASes present in the Internet Routing Table: 348
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 347527648
Equivalent to 20 /8s, 182 /16s and 217 /24s
Percentage of available APNIC address space announced: 79.7
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: 110856
Total ARIN prefixes after maximum aggregation: 60401
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89448
Unique aggregates announced from the ARIN address blocks: 34449
ARIN Region origin ASes present in the Internet Routing Table: 11805
ARIN Prefixes per ASN: 7.58
ARIN Region origin ASes announcing only one prefix: 4614
ARIN Region transit ASes present in the Internet Routing Table: 1090
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 28
Number of ARIN addresses announced to Internet: 360132609
Equivalent to 21 /8s, 119 /16s and 48 /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: 55622
Total RIPE prefixes after maximum aggregation: 33640
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 50962
Unique aggregates announced from the RIPE address blocks: 33534
RIPE Region origin ASes present in the Internet Routing Table: 11297
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5891
RIPE Region transit ASes present in the Internet Routing Table: 1736
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 355499585
Equivalent to 21 /8s, 48 /16s and 126 /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: 21556
Total LACNIC prefixes after maximum aggregation: 4943
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 19995
Unique aggregates announced from the LACNIC address blocks: 9849
LACNIC Region origin ASes present in the Internet Routing Table: 897
LACNIC Prefixes per ASN: 22.29
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 37
Number of LACNIC addresses announced to Internet: 50988360
Equivalent to 3 /8s, 10 /16s and 5 /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: 3817
Total AfriNIC prefixes after maximum aggregation: 1215
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4155
Unique aggregates announced from the AfriNIC address blocks: 1845
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.17
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: 4.2
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 11766016
Equivalent to 0 /8s, 179 /16s and 137 /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 2027 3134 41 China Education and Research
4755 1629 387 91 Videsh Sanchar Nigam Ltd. Aut
9498 1164 550 61 BHARTI BT INTERNET LTD.
9583 1156 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 597 450 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 1426 540 205 Global Crossing
4323 1423 1014 377 Time Warner Telecom
2386 1399 628 873 AT&T Data Communications Serv
7018 1396 5968 990 AT&T WorldNet Services
11492 1212 146 33 Cable One
1803 1132 6 897 SPRINT
7011 1098 319 626 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1015 511 106 AppliedTheory Corporation
6197 987 598 508 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 427 74 9 Kazakhtelecom Data Network Ad
3292 411 1788 368 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 337 1458 305 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 61 Telecom Argentina Stet-France
8151 1200 2433 222 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 416 85 46 ENTEL CHILE S.A.
11172 415 117 69 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 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 2892 3004 114 bellsouth.net, inc.
4538 2027 3134 41 China Education and Research
23577 1682 33 747 Korea Telecom (ATM-MPLS)
4755 1629 387 91 Videsh Sanchar Nigam Ltd. Aut
7303 1604 222 61 Telecom Argentina Stet-France
3549 1426 540 205 Global Crossing
4323 1423 1014 377 Time Warner Telecom
2386 1399 628 873 AT&T Data Communications Serv
7018 1396 5968 990 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 2027 1986 China Education and Research
7303 1604 1543 Telecom Argentina Stet-France
4755 1629 1538 Videsh Sanchar Nigam Ltd. Aut
3549 1426 1221 Global Crossing
11492 1212 1179 Cable One
9583 1156 1140 Sify Limited
9498 1164 1103 BHARTI BT INTERNET LTD.
4323 1423 1046 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 3549 Global Crossing
12180 UNALLOCATED 8.10.58.0/23 22212 netVMG, 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
/13:284 /14:511 /15:1008 /16:9970 /17:4439 /18:7353
/19:15534 /20:18212 /21:17595 /22:22482 /23:23153 /24:137940
/25:849 /26:1011 /27:382 /28:686 /29:342 /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 1113 1132 SPRINT
7303 1112 1604 Telecom Argentina Stet-France
2386 1099 1399 AT&T Data Communications Serv
3549 1054 1426 Global Crossing
18566 1025 1044 Covad Communications
9583 991 1156 Sify Limited
7011 981 1098 Citizens Utilities
4755 976 1629 Videsh Sanchar Nigam Ltd. Aut
4538 966 2027 China Education and Research
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:107 12:2045 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1067 25:1
32:200 33:4 38:421 40:94 41:655 44:2
47:8 52:4 55:3 56:3 57:46 58:581
59:497 60:441 61:995 62:1160 63:1971 64:3657
65:2438 66:3682 67:1189 68:672 69:2206 70:604
71:125 72:1676 73:6 74:952 75:230 76:318
77:646 78:607 79:149 80:907 81:865 82:637
83:399 84:555 85:1001 86:403 87:661 88:346
89:1299 90:11 91:1221 92:297 93:383 96:27
97:14 98:154 99:3 116:649 117:311 118:125
119:374 120:25 121:517 122:767 123:328 124:853
125:1120 128:322 129:201 130:129 131:405 132:67
133:9 134:179 135:32 136:222 137:112 138:149
139:71 140:482 141:96 142:400 143:285 144:353
145:50 146:372 147:152 148:504 149:185 150:131
151:180 152:144 153:133 154:11 155:269 156:173
157:268 158:167 159:221 160:253 161:111 162:212
163:194 164:520 165:459 166:329 167:320 168:617
169:128 170:443 171:28 172:3 189:175 190:1994
192:5783 193:4110 194:3280 195:2465 196:1064 198:3746
199:3233 200:6060 201:1622 202:8128 203:7840 204:4018
205:2102 206:2492 207:2809 208:3472 209:3548 210:2877
211:1203 212:1419 213:1653 214:457 215:51 216:4400
217:1236 218:399 219:490 220:1074 221:479 222:368
End of report
