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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Thu 01 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: 262074
Prefixes after maximum aggregation: 128256
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 123501
Total ASes present in the Internet Routing Table: 28128
Prefixes per ASN: 9.32
Origin-only ASes present in the Internet Routing Table: 24435
Origin ASes announcing only one prefix: 11409
Transit ASes present in the Internet Routing Table: 3693
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 27
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25372
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: 789
Number of addresses announced to Internet: 1883527019
Equivalent to 112 /8s, 68 /16s and 87 /24s
Percentage of available address space announced: 50.8
Percentage of allocated address space announced: 62.4
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: 127331
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45048
Total APNIC prefixes after maximum aggregation: 13467
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 57317
Unique aggregates announced from the APNIC address blocks: 23521
APNIC Region origin ASes present in the Internet Routing Table: 1943
APNIC Prefixes per ASN: 29.50
APNIC Region origin ASes announcing only one prefix: 560
APNIC Region transit ASes present in the Internet Routing Table: 362
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 346732384
Equivalent to 20 /8s, 170 /16s and 183 /24s
Percentage of available APNIC address space announced: 79.5
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: 110866
Total ARIN prefixes after maximum aggregation: 60352
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 89325
Unique aggregates announced from the ARIN address blocks: 34425
ARIN Region origin ASes present in the Internet Routing Table: 11807
ARIN Prefixes per ASN: 7.57
ARIN Region origin ASes announcing only one prefix: 4622
ARIN Region transit ASes present in the Internet Routing Table: 1084
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 359943425
Equivalent to 21 /8s, 116 /16s and 77 /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: 55451
Total RIPE prefixes after maximum aggregation: 33611
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 50796
Unique aggregates announced from the RIPE address blocks: 33490
RIPE Region origin ASes present in the Internet Routing Table: 11272
RIPE Prefixes per ASN: 4.51
RIPE Region origin ASes announcing only one prefix: 5877
RIPE Region transit ASes present in the Internet Routing Table: 1746
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 355425473
Equivalent to 21 /8s, 47 /16s and 92 /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: 21530
Total LACNIC prefixes after maximum aggregation: 4954
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 19986
Unique aggregates announced from the LACNIC address blocks: 9833
LACNIC Region origin ASes present in the Internet Routing Table: 895
LACNIC Prefixes per ASN: 22.33
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 160
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 50872836
Equivalent to 3 /8s, 8 /16s and 66 /24s
Percentage of available LACNIC address space announced: 50.5
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: 3808
Total AfriNIC prefixes after maximum aggregation: 1214
AfriNIC Deaggregation factor: 3.14
Prefixes being announced from the AfriNIC address blocks: 4145
Unique aggregates announced from the AfriNIC address blocks: 1846
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.06
AfriNIC Region origin ASes announcing only one prefix: 77
AfriNIC Region transit ASes present in the Internet Routing Table: 48
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 11773440
Equivalent to 0 /8s, 179 /16s and 166 /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 2045 3134 41 China Education and Research
4755 1638 387 91 Videsh Sanchar Nigam Ltd. Aut
9583 1177 140 16 Sify Limited
9498 1164 550 61 BHARTI BT INTERNET LTD.
17488 1060 70 75 Hathway IP Over Cable Interne
4134 866 12615 319 CHINANET-BACKBONE
4766 812 6006 346 Korea Telecom (KIX)
18101 680 149 54 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 545 1919 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 1430 540 204 Global Crossing
4323 1422 1012 375 Time Warner Telecom
7018 1399 10048 992 AT&T WorldNet Services
2386 1393 642 861 AT&T Data Communications Serv
11492 1211 146 36 Cable One
1803 1121 6 892 SPRINT
7011 1095 318 624 Citizens Utilities
18566 1043 296 10 Covad Communications
1785 1014 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
3292 411 1788 368 TDC Tele Danmark
9198 401 74 9 Kazakhtelecom Data Network Ad
8452 356 188 7 TEDATA
3301 338 1458 306 TeliaNet Sweden
3320 324 7044 267 Deutsche Telekom AG
5462 298 666 26 Telewest Broadband
8866 297 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 1610 222 64 Telecom Argentina Stet-France
8151 1174 2381 211 UniNet S.A. de C.V.
11830 601 299 9 Instituto Costarricense de El
22047 564 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 415 85 46 ENTEL CHILE S.A.
11172 411 85 65 Servicios Alestra S.A de C.V
10620 388 99 76 TVCABLE BOGOTA
14117 375 23 9 Telefonica del Sur S.A.
20299 341 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 463 60 26 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 2758 3002 109 bellsouth.net, inc.
4538 2045 3134 41 China Education and Research
23577 1682 33 747 Korea Telecom (ATM-MPLS)
4755 1638 387 91 Videsh Sanchar Nigam Ltd. Aut
7303 1610 222 64 Telecom Argentina Stet-France
3549 1430 540 204 Global Crossing
4323 1422 1012 375 Time Warner Telecom
7018 1399 10048 992 AT&T WorldNet Services
2386 1393 642 861 AT&T Data Communications Serv
11492 1211 146 36 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 2045 2004 China Education and Research
4755 1638 1547 Videsh Sanchar Nigam Ltd. Aut
7303 1610 1546 Telecom Argentina Stet-France
3549 1430 1226 Global Crossing
11492 1211 1175 Cable One
9583 1177 1161 Sify Limited
9498 1164 1103 BHARTI BT INTERNET LTD.
4323 1422 1047 Time Warner Telecom
18566 1043 1033 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 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 /8:22 /9:9 /10:16 /11:43 /12:140
/13:285 /14:511 /15:1007 /16:9952 /17:4434 /18:7369
/19:15538 /20:18205 /21:17568 /22:22419 /23:23118 /24:137773
/25:848 /26:1007 /27:378 /28:683 /29:342 /30:204
/31:0 /32:203
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1197 1211 Cable One
7303 1116 1610 Telecom Argentina Stet-France
1803 1102 1121 SPRINT
2386 1093 1393 AT&T Data Communications Serv
3549 1058 1430 Global Crossing
18566 1024 1043 Covad Communications
9583 1012 1177 Sify Limited
4538 982 2045 China Education and Research
7011 978 1095 Citizens Utilities
4755 974 1638 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:107 12:2039 13:1 14:1 15:20
16:3 17:6 18:13 20:36 24:1068 25:1
32:200 33:4 38:420 40:95 41:657 44:2
47:8 52:3 55:3 56:3 57:45 58:577
59:496 60:441 61:998 62:1146 63:1974 64:3646
65:2438 66:3677 67:1179 68:674 69:2181 70:604
71:126 72:1676 73:6 74:950 75:227 76:316
77:650 78:607 79:149 80:901 81:826 82:632
83:382 84:543 85:1004 86:404 87:655 88:351
89:1291 90:11 91:1221 92:291 93:360 96:25
97:14 98:144 99:3 116:639 117:310 118:125
119:375 120:13 121:529 122:761 123:322 124:849
125:1120 128:321 129:201 130:128 131:405 132:66
133:9 134:179 135:32 136:222 137:113 138:150
139:68 140:482 141:96 142:395 143:280 144:348
145:50 146:373 147:150 148:503 149:185 150:131
151:180 152:144 153:133 154:11 155:268 156:207
157:268 158:168 159:221 160:253 161:110 162:212
163:194 164:583 165:459 166:326 167:320 168:614
169:128 170:443 171:28 172:3 189:176 190:1995
192:5777 193:4110 194:3282 195:2470 196:1061 198:3746
199:3233 200:6053 201:1614 202:8076 203:7859 204:4014
205:2108 206:2484 207:2813 208:3471 209:3561 210:2912
211:1203 212:1404 213:1650 214:451 215:50 216:4414
217:1233 218:399 219:491 220:1069 221:483 222:368
End of report
