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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Thu 22 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: 266353
Prefixes after maximum aggregation: 128590
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124135
Total ASes present in the Internet Routing Table: 28282
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 24584
Origin ASes announcing only one prefix: 11853
Transit ASes present in the Internet Routing Table: 3698
Transit-only ASes present in the Internet Routing Table: 87
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 27
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 620
Unregistered ASNs in the Routing Table: 238
Number of 32-bit ASNs allocated by the RIRs: 47
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 788
Number of addresses announced to Internet: 1889421486
Equivalent to 112 /8s, 158 /16s and 72 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 81.4
Percentage of address space in use by end-sites: 71.9
Total number of prefixes smaller than registry allocations: 130706
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 63229
Total APNIC prefixes after maximum aggregation: 21632
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 60377
Unique aggregates announced from the APNIC address blocks: 23774
APNIC Region origin ASes present in the Internet Routing Table: 3243
APNIC Prefixes per ASN: 18.62
APNIC Region origin ASes announcing only one prefix: 867
APNIC Region transit ASes present in the Internet Routing Table: 506
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 349454496
Equivalent to 20 /8s, 212 /16s and 64 /24s
Percentage of available APNIC address space announced: 80.1
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: 121039
Total ARIN prefixes after maximum aggregation: 66412
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 89892
Unique aggregates announced from the ARIN address blocks: 34354
ARIN Region origin ASes present in the Internet Routing Table: 12198
ARIN Prefixes per ASN: 7.37
ARIN Region origin ASes announcing only one prefix: 4696
ARIN Region transit ASes present in the Internet Routing Table: 1181
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 359934465
Equivalent to 21 /8s, 116 /16s and 42 /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: 55674
Total RIPE prefixes after maximum aggregation: 33787
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 50995
Unique aggregates announced from the RIPE address blocks: 33689
RIPE Region origin ASes present in the Internet Routing Table: 11350
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5913
RIPE Region transit ASes present in the Internet Routing Table: 1730
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 357811264
Equivalent to 21 /8s, 83 /16s and 196 /24s
Percentage of available RIPE address space announced: 82.0
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: 21917
Total LACNIC prefixes after maximum aggregation: 5053
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 20279
Unique aggregates announced from the LACNIC address blocks: 10069
LACNIC Region origin ASes present in the Internet Routing Table: 946
LACNIC Prefixes per ASN: 21.44
LACNIC Region origin ASes announcing only one prefix: 302
LACNIC Region transit ASes present in the Internet Routing Table: 164
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 51643528
Equivalent to 3 /8s, 20 /16s and 4 /24s
Percentage of available LACNIC address space announced: 51.3
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: 1206
AfriNIC Deaggregation factor: 3.21
Prefixes being announced from the AfriNIC address blocks: 4175
Unique aggregates announced from the AfriNIC address blocks: 1845
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.18
AfriNIC Region origin ASes announcing only one prefix: 75
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12236032
Equivalent to 0 /8s, 186 /16s and 181 /24s
Percentage of available AfriNIC address space announced: 36.5
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
4134 3585 12661 319 CHINANET-BACKBONE
4538 2038 3134 41 China Education and Research
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
9498 1171 550 62 BHARTI BT INTERNET LTD.
9583 1145 140 15 Sify Limited
17488 1064 70 76 Hathway IP Over Cable Interne
23577 841 34 747 Korea Telecom (ATM-MPLS)
4766 813 6005 344 Korea Telecom (KIX)
18101 680 149 50 Reliance Infocom Ltd Internet
9829 599 451 13 BSNL National Internet Backbo
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
6389 1857 3045 168 bellsouth.net, inc.
4323 1463 1045 379 Time Warner Telecom
2386 1434 645 879 AT&T Data Communications Serv
3549 1431 540 208 Global Crossing
7018 1383 10027 983 AT&T WorldNet Services
11492 1222 148 11 Cable One
1803 1171 6 921 SPRINT
7011 1088 302 617 Citizens Utilities
18566 1044 296 10 Covad Communications
1785 1021 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
3292 412 1788 369 TDC Tele Danmark
8452 356 188 7 TEDATA
9198 345 74 9 Kazakhtelecom Data Network Ad
3301 338 1458 306 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
5462 297 666 26 Telewest Broadband
8866 297 77 21 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 1622 225 65 Telecom Argentina Stet-France
8151 1215 2464 227 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 565 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 420 85 47 ENTEL CHILE S.A.
11172 410 117 67 Servicios Alestra S.A de C.V
10620 390 99 69 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
16735 363 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 471 61 27 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 223 34 3 EgyNet
2018 182 173 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
5536 121 8 16 Internet Egypt Network
29571 100 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
4134 3585 12661 319 CHINANET-BACKBONE
4538 2038 3134 41 China Education and Research
6389 1857 3045 168 bellsouth.net, inc.
4755 1636 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1622 225 65 Telecom Argentina Stet-France
4323 1463 1045 379 Time Warner Telecom
2386 1434 645 879 AT&T Data Communications Serv
3549 1431 540 208 Global Crossing
7018 1383 10027 983 AT&T WorldNet Services
11492 1222 148 11 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 2038 1997 China Education and Research
6389 1857 1689 bellsouth.net, inc.
7303 1622 1557 Telecom Argentina Stet-France
4755 1636 1546 Videsh Sanchar Nigam Ltd. Aut
3549 1431 1223 Global Crossing
11492 1222 1211 Cable One
9583 1145 1130 Sify Limited
9498 1171 1109 BHARTI BT INTERNET LTD.
4323 1463 1084 Time Warner Telecom
18566 1044 1034 Covad Communications
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies,
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
13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications
27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 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 /8:20 /9:9 /10:16 /11:43 /12:142
/13:287 /14:520 /15:1017 /16:9994 /17:4470 /18:7443
/19:15678 /20:18462 /21:17990 /22:23083 /23:23624 /24:139873
/25:848 /26:992 /27:374 /28:697 /29:351 /30:209
/31:0 /32:211
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 2338 3585 CHINANET-BACKBONE
11492 1204 1222 Cable One
1803 1150 1171 SPRINT
6389 1144 1857 bellsouth.net, inc.
2386 1132 1434 AT&T Data Communications Serv
7303 1128 1622 Telecom Argentina Stet-France
3549 1058 1431 Global Crossing
18566 1025 1044 Covad Communications
4755 985 1636 Videsh Sanchar Nigam Ltd. Aut
9583 983 1145 Sify Limited
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:109 12:2058 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1070 25:1
32:199 33:3 38:423 40:93 41:651 44:2
47:12 52:3 55:3 56:3 57:46 58:584
59:510 60:442 61:1189 62:1149 63:1966 64:3639
65:2420 66:3700 67:1201 68:677 69:2235 70:636
71:125 72:1755 73:5 74:971 75:216 76:320
77:667 78:618 79:153 80:894 81:851 82:620
83:403 84:577 85:1022 86:415 87:656 88:330
89:1261 90:11 91:1237 92:252 93:471 96:30
97:17 98:172 99:3 114:5 116:653 117:337
118:178 119:423 120:38 121:534 122:771 123:350
124:875 125:1445 128:325 129:203 130:130 131:405
132:66 133:9 134:175 135:33 136:221 137:90
138:151 139:71 140:483 141:99 142:400 143:301
144:360 145:50 146:375 147:152 148:503 149:185
150:131 151:190 152:144 153:134 154:11 155:273
156:174 157:272 158:163 159:221 160:255 161:114
162:229 163:186 164:522 165:458 166:325 167:323
168:625 169:131 170:445 171:28 172:11 189:186
190:2195 192:5794 193:4106 194:3235 195:2485 196:1065
198:3754 199:3265 200:6048 201:1625 202:8235 203:7857
204:4012 205:2094 206:2498 207:2824 208:3501 209:3540
210:2875 211:1212 212:1404 213:1635 214:470 215:50
216:4425 217:1198 218:515 219:529 220:1197 221:524
222:594
End of report
