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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sat 03 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: 261965
Prefixes after maximum aggregation: 128359
Deaggregation factor: 2.04
Unique aggregates announced to Internet: 123580
Total ASes present in the Internet Routing Table: 28139
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 24449
Origin ASes announcing only one prefix: 11417
Transit ASes present in the Internet Routing Table: 3690
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: 27
Max AS path prepend of ASN (44859) 15
Prefixes from unregistered ASNs in the Routing Table: 25465
Unregistered ASNs in the Routing Table: 1900
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: 790
Number of addresses announced to Internet: 1867348655
Equivalent to 111 /8s, 77 /16s and 122 /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: 127274
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45019
Total APNIC prefixes after maximum aggregation: 13487
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 57279
Unique aggregates announced from the APNIC address blocks: 23568
APNIC Region origin ASes present in the Internet Routing Table: 1941
APNIC Prefixes per ASN: 29.51
APNIC Region origin ASes announcing only one prefix: 554
APNIC Region transit ASes present in the Internet Routing Table: 357
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 346816864
Equivalent to 20 /8s, 172 /16s and 1 /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: 110728
Total ARIN prefixes after maximum aggregation: 60377
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 89379
Unique aggregates announced from the ARIN address blocks: 34440
ARIN Region origin ASes present in the Internet Routing Table: 11819
ARIN Prefixes per ASN: 7.56
ARIN Region origin ASes announcing only one prefix: 4634
ARIN Region transit ASes present in the Internet Routing Table: 1085
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360382721
Equivalent to 21 /8s, 123 /16s and 1 /24s
Percentage of available ARIN address space announced: 74.1
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: 55417
Total RIPE prefixes after maximum aggregation: 33653
RIPE Deaggregation factor: 1.65
Prefixes being announced from the RIPE address blocks: 50767
Unique aggregates announced from the RIPE address blocks: 33520
RIPE Region origin ASes present in the Internet Routing Table: 11278
RIPE Prefixes per ASN: 4.50
RIPE Region origin ASes announcing only one prefix: 5884
RIPE Region transit ASes present in the Internet Routing Table: 1743
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 355467713
Equivalent to 21 /8s, 48 /16s and 1 /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: 21525
Total LACNIC prefixes after maximum aggregation: 4954
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 19975
Unique aggregates announced from the LACNIC address blocks: 9816
LACNIC Region origin ASes present in the Internet Routing Table: 893
LACNIC Prefixes per ASN: 22.37
LACNIC Region origin ASes announcing only one prefix: 269
LACNIC Region transit ASes present in the Internet Routing Table: 159
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 50885448
Equivalent to 3 /8s, 8 /16s and 115 /24s
Percentage of available LACNIC address space announced: 50.6
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: 3812
Total AfriNIC prefixes after maximum aggregation: 1217
AfriNIC Deaggregation factor: 3.13
Prefixes being announced from the AfriNIC address blocks: 4149
Unique aggregates announced from the AfriNIC address blocks: 1846
AfriNIC Region origin ASes present in the Internet Routing Table: 243
AfriNIC Prefixes per ASN: 17.07
AfriNIC Region origin ASes announcing only one prefix: 76
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 5.6
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 1640 387 91 Videsh Sanchar Nigam Ltd. Aut
9583 1175 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 816 6006 346 Korea Telecom (KIX)
18101 680 149 54 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 1426 540 204 Global Crossing
4323 1420 1012 375 Time Warner Telecom
7018 1400 10048 994 AT&T WorldNet Services
2386 1397 642 863 AT&T Data Communications Serv
11492 1212 146 33 Cable One
1803 1131 6 898 SPRINT
7011 1098 319 626 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 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 1609 222 64 Telecom Argentina Stet-France
8151 1174 2381 210 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 390 99 69 TVCABLE BOGOTA
14117 375 23 9 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 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 2888 3002 111 bellsouth.net, inc.
4538 2045 3134 41 China Education and Research
23577 1682 33 747 Korea Telecom (ATM-MPLS)
4755 1640 387 91 Videsh Sanchar Nigam Ltd. Aut
7303 1609 222 64 Telecom Argentina Stet-France
3549 1426 540 204 Global Crossing
4323 1420 1012 375 Time Warner Telecom
7018 1400 10048 994 AT&T WorldNet Services
2386 1397 642 863 AT&T Data Communications Serv
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 2045 2004 China Education and Research
4755 1640 1549 Videsh Sanchar Nigam Ltd. Aut
7303 1609 1545 Telecom Argentina Stet-France
3549 1426 1222 Global Crossing
11492 1212 1179 Cable One
9583 1175 1159 Sify Limited
9498 1164 1103 BHARTI BT INTERNET LTD.
4323 1420 1045 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 /8:19 /9:9 /10:16 /11:43 /12:140
/13:285 /14:511 /15:1009 /16:9959 /17:4435 /18:7365
/19:15524 /20:18216 /21:17582 /22:22426 /23:23139 /24:137613
/25:850 /26:1010 /27:380 /28:686 /29:341 /30:204
/31:0 /32:203
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1198 1212 Cable One
7303 1115 1609 Telecom Argentina Stet-France
1803 1112 1131 SPRINT
2386 1097 1397 AT&T Data Communications Serv
3549 1054 1426 Global Crossing
18566 1024 1043 Covad Communications
9583 1010 1175 Sify Limited
4538 982 2045 China Education and Research
7011 981 1098 Citizens Utilities
4755 976 1640 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 12:2044 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1072 25:1
32:200 33:4 38:420 40:94 41:658 44:2
47:8 52:3 55:3 56:3 57:45 58:573
59:497 60:441 61:997 62:1140 63:1973 64:3648
65:2438 66:3678 67:1185 68:674 69:2197 70:604
71:128 72:1675 73:6 74:950 75:230 76:319
77:651 78:604 79:149 80:901 81:857 82:634
83:384 84:546 85:1005 86:404 87:653 88:352
89:1286 90:11 91:1221 92:261 93:360 96:25
97:14 98:152 99:3 116:638 117:298 118:124
119:379 120:14 121:529 122:762 123:323 124:853
125:1126 128:322 129:201 130:129 131:404 132:66
133:9 134:179 135:32 136:223 137:112 138:149
139:69 140:484 141:96 142:395 143:285 144:354
145:50 146:369 147:150 148:505 149:185 150:132
151:180 152:144 153:133 154:11 155:269 156:173
157:268 158:168 159:221 160:253 161:111 162:209
163:193 164:520 165:459 166:327 167:321 168:617
169:128 170:442 171:28 172:3 189:175 190:1998
192:5782 193:4111 194:3281 195:2460 196:1061 198:3746
199:3231 200:6045 201:1618 202:8057 203:7842 204:4019
205:2100 206:2483 207:2805 208:3468 209:3540 210:2915
211:1201 212:1410 213:1628 214:445 215:51 216:4397
217:1232 218:398 219:490 220:1072 221:482 222:368
End of report
