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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Sat 10 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: 265735
Prefixes after maximum aggregation: 128706
Deaggregation factor: 2.06
Unique aggregates announced to Internet: 123851
Total ASes present in the Internet Routing Table: 28217
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 24481
Origin ASes announcing only one prefix: 11421
Transit ASes present in the Internet Routing Table: 3736
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 29
Max AS path prepend of ASN (17957) 20
Prefixes from unregistered ASNs in the Routing Table: 25526
Unregistered ASNs in the Routing Table: 1901
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: 5
Prefixes being announced from unallocated address space: 789
Number of addresses announced to Internet: 1885234860
Equivalent to 112 /8s, 94 /16s and 102 /24s
Percentage of available address space announced: 50.9
Percentage of allocated address space announced: 62.5
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: 130499
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 45158
Total APNIC prefixes after maximum aggregation: 13495
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 57476
Unique aggregates announced from the APNIC address blocks: 23605
APNIC Region origin ASes present in the Internet Routing Table: 1950
APNIC Prefixes per ASN: 29.47
APNIC Region origin ASes announcing only one prefix: 556
APNIC Region transit ASes present in the Internet Routing Table: 359
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 347400672
Equivalent to 20 /8s, 180 /16s and 233 /24s
Percentage of available APNIC address space announced: 79.6
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: 113789
Total ARIN prefixes after maximum aggregation: 60682
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 90807
Unique aggregates announced from the ARIN address blocks: 34515
ARIN Region origin ASes present in the Internet Routing Table: 11852
ARIN Prefixes per ASN: 7.66
ARIN Region origin ASes announcing only one prefix: 4619
ARIN Region transit ASes present in the Internet Routing Table: 1105
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 360328193
Equivalent to 21 /8s, 122 /16s and 44 /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: 55822
Total RIPE prefixes after maximum aggregation: 33715
RIPE Deaggregation factor: 1.66
Prefixes being announced from the RIPE address blocks: 51319
Unique aggregates announced from the RIPE address blocks: 33670
RIPE Region origin ASes present in the Internet Routing Table: 11316
RIPE Prefixes per ASN: 4.54
RIPE Region origin ASes announcing only one prefix: 5897
RIPE Region transit ASes present in the Internet Routing Table: 1763
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 356337985
Equivalent to 21 /8s, 61 /16s and 73 /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: 21593
Total LACNIC prefixes after maximum aggregation: 4971
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 20032
Unique aggregates announced from the LACNIC address blocks: 9846
LACNIC Region origin ASes present in the Internet Routing Table: 894
LACNIC Prefixes per ASN: 22.41
LACNIC Region origin ASes announcing only one prefix: 270
LACNIC Region transit ASes present in the Internet Routing Table: 156
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 29
Number of LACNIC addresses announced to Internet: 51024456
Equivalent to 3 /8s, 10 /16s and 146 /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: 3848
Total AfriNIC prefixes after maximum aggregation: 1192
AfriNIC Deaggregation factor: 3.23
Prefixes being announced from the AfriNIC address blocks: 4179
Unique aggregates announced from the AfriNIC address blocks: 1855
AfriNIC Region origin ASes present in the Internet Routing Table: 242
AfriNIC Prefixes per ASN: 17.27
AfriNIC Region origin ASes announcing only one prefix: 79
AfriNIC Region transit ASes present in the Internet Routing Table: 49
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 12193024
Equivalent to 0 /8s, 186 /16s and 13 /24s
Percentage of available AfriNIC address space announced: 36.3
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 2054 3134 41 China Education and Research
4755 1630 387 90 Videsh Sanchar Nigam Ltd. Aut
9583 1176 140 15 Sify Limited
9498 1173 550 62 BHARTI BT INTERNET LTD.
17488 1063 70 82 Hathway IP Over Cable Interne
4134 864 12613 317 CHINANET-BACKBONE
4766 814 6005 344 Korea Telecom (KIX)
18101 677 149 53 Reliance Infocom Ltd Internet
9829 598 450 12 BSNL National Internet Backbo
1221 547 1919 420 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
3356 3483 10912 409 Level 3 Communications, LLC
3549 1427 540 205 Global Crossing
4323 1425 1014 379 Time Warner Telecom
2386 1404 643 867 AT&T Data Communications Serv
7018 1394 10048 986 AT&T WorldNet Services
11492 1213 146 32 Cable One
1803 1141 6 902 SPRINT
7011 1095 319 624 Citizens Utilities
18566 1044 296 10 Covad Communications
6197 1029 630 543 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 428 74 9 Kazakhtelecom Data Network Ad
3292 412 1788 369 TDC Tele Danmark
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 278 2686 90 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 1614 224 65 Telecom Argentina Stet-France
8151 1174 2381 212 UniNet S.A. de C.V.
11830 600 299 14 Instituto Costarricense de El
22047 566 270 14 VTR PUNTO NET S.A.
16814 426 27 10 NSS, S.A.
6471 418 85 46 ENTEL CHILE S.A.
11172 410 85 66 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 462 60 26 LINKdotNET AS number
3741 277 853 223 The Internet Solution
20858 220 34 3 EgyNet
2018 181 173 82 Tertiary Education Network
5713 172 575 108 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 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
3356 3483 10912 409 Level 3 Communications, LLC
6389 3084 3019 117 bellsouth.net, inc.
4538 2054 3134 41 China Education and Research
23577 1684 33 748 Korea Telecom (ATM-MPLS)
4755 1630 387 90 Videsh Sanchar Nigam Ltd. Aut
7303 1614 224 65 Telecom Argentina Stet-France
3549 1427 540 205 Global Crossing
4323 1425 1014 379 Time Warner Telecom
2386 1404 643 867 AT&T Data Communications Serv
7018 1394 10048 986 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3084 2967 bellsouth.net, inc.
4538 2054 2013 China Education and Research
7303 1614 1549 Telecom Argentina Stet-France
4755 1630 1540 Videsh Sanchar Nigam Ltd. Aut
3549 1427 1222 Global Crossing
11492 1213 1181 Cable One
9583 1176 1161 Sify Limited
9498 1173 1111 BHARTI BT INTERNET LTD.
4323 1425 1046 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
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.
33663 UNALLOCATED 8.10.211.0/24 3356 Level 3 Communicatio
14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo!
7539 UNALLOCATED 10.0.0.0/8 22335 Metropolitan Researc
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
22492 UNALLOCATED 12.2.46.0/24 1239 Sprint
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 7539 TANet2, sponsored by NSC, TAI
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 /11:41 /12:140
/13:285 /14:512 /15:1019 /16:10018 /17:4492 /18:7438
/19:15705 /20:18429 /21:18005 /22:22912 /23:23759 /24:139280
/25:845 /26:996 /27:371 /28:691 /29:346 /30:204
/31:0 /32:202
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3356 2793 3483 Level 3 Communications, LLC
11492 1199 1213 Cable One
1803 1122 1141 SPRINT
7303 1122 1614 Telecom Argentina Stet-France
2386 1104 1404 AT&T Data Communications Serv
3549 1055 1427 Global Crossing
18566 1025 1044 Covad Communications
9583 1012 1176 Sify Limited
4538 987 2054 China Education and Research
4755 979 1630 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:227 8:311 12:2050 13:1 14:1 15:20
16:3 17:5 18:13 20:36 24:1069 25:1
32:199 33:3 38:420 40:94 41:659 44:2
47:9 52:3 55:3 56:3 57:45 58:578
59:496 60:441 61:993 62:1172 63:2106 64:3734
65:2465 66:3691 67:1214 68:664 69:2215 70:604
71:122 72:1681 73:6 74:958 75:229 76:322
77:653 78:612 79:151 80:903 81:868 82:640
83:398 84:568 85:1007 86:404 87:668 88:347
89:1306 90:11 91:1214 92:301 93:443 96:28
97:14 98:156 99:3 114:2 116:644 117:318
118:133 119:390 120:29 121:527 122:768 123:335
124:851 125:1135 128:323 129:200 130:129 131:404
132:67 133:9 134:180 135:31 136:222 137:112
138:144 139:73 140:492 141:96 142:397 143:280
144:349 145:50 146:374 147:152 148:501 149:185
150:131 151:180 152:144 153:133 154:11 155:271
156:174 157:268 158:165 159:222 160:254 161:111
162:214 163:197 164:506 165:458 166:336 167:320
168:622 169:131 170:447 171:28 172:3 189:192
190:2033 192:5810 193:4104 194:3280 195:2490 196:1080
198:3802 199:3259 200:6048 201:1620 202:8150 203:7826
204:4011 205:2116 206:2500 207:2833 208:3492 209:3590
210:2901 211:1205 212:1481 213:1691 214:446 215:50
216:4415 217:1251 218:400 219:491 220:1071 221:480
222:371
End of report
