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[bgp-stats] Routing Table Report - RouteViews-3 view
Routing Table Report 00:00 GMT Tue 27 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: 266321
Prefixes after maximum aggregation: 128754
Deaggregation factor: 2.07
Unique aggregates announced to Internet: 124533
Total ASes present in the Internet Routing Table: 28333
Prefixes per ASN: 9.40
Origin-only ASes present in the Internet Routing Table: 24622
Origin ASes announcing only one prefix: 3690
Transit ASes present in the Internet Routing Table: 3711
Transit-only ASes present in the Internet Routing Table: 85
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 29
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 67246
Unregistered ASNs in the Routing Table: 16018
Number of 32-bit ASNs allocated by the RIRs: 0
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: 0
Number of addresses announced to Internet: 1889519502
Equivalent to 112 /8s, 159 /16s and 199 /24s
Percentage of available address space announced: 51.0
Percentage of allocated address space announced: inf
Percentage of available address space allocated: 0.0
Percentage of address space in use by end-sites: 0.0
Total number of prefixes smaller than registry allocations: 129405
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52922
Total APNIC prefixes after maximum aggregation: 16873
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 0
Unique aggregates announced from the APNIC address blocks: 0
APNIC Region origin ASes present in the Internet Routing Table: 1841
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 369
APNIC Region transit ASes present in the Internet Routing Table: 386
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available APNIC address space announced: nan
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 96135
Total ARIN prefixes after maximum aggregation: 49821
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 0
Unique aggregates announced from the ARIN address blocks: 0
ARIN Region origin ASes present in the Internet Routing Table: 6647
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 2061
ARIN Region transit ASes present in the Internet Routing Table: 856
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available ARIN address space announced: nan
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
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 31374
Total RIPE prefixes after maximum aggregation: 18341
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 0
Unique aggregates announced from the RIPE address blocks: 0
RIPE Region origin ASes present in the Internet Routing Table: 3293
RIPE Prefixes per ASN: 0.00
RIPE Region origin ASes announcing only one prefix: 1164
RIPE Region transit ASes present in the Internet Routing Table: 929
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available RIPE address space announced: nan
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
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16668
Total LACNIC prefixes after maximum aggregation: 3304
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 0
Unique aggregates announced from the LACNIC address blocks: 0
LACNIC Region origin ASes present in the Internet Routing Table: 405
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 84
LACNIC Region transit ASes present in the Internet Routing Table: 114
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available LACNIC address space announced: nan
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1975
Total AfriNIC prefixes after maximum aggregation: 727
AfriNIC Deaggregation factor: 2.72
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 63
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 12
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
Percentage of available AfriNIC address space announced: nan
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 3555 12659 318 CHINANET-BACKBONE
4538 2039 3134 41 China Education and Research
4755 1582 382 135 Videsh Sanchar Nigam Ltd. Aut
9498 1164 550 61 BHARTI BT INTERNET LTD.
9583 1145 140 15 Sify Limited
17488 1067 70 76 Hathway IP Over Cable Interne
4766 815 6005 344 Korea Telecom (KIX)
18101 678 149 51 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
6389 1994 3086 177 bellsouth.net, inc.
4323 1465 1045 379 Time Warner Telecom
2386 1435 645 880 AT&T Data Communications Serv
3549 1421 540 208 Global Crossing
7018 1379 9901 978 AT&T WorldNet Services
11492 1224 148 12 Cable One
1803 1174 6 924 SPRINT
7011 1088 302 616 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 410 1788 368 TDC Tele Danmark
8452 356 188 7 TEDATA
3301 337 1458 305 TeliaNet Sweden
3320 316 7043 265 Deutsche Telekom AG
8866 297 77 21 Bulgarian Telecommunication C
5462 296 666 26 Telewest Broadband
3215 284 2702 93 France Telecom Transpac
8551 282 269 38 Bezeq International
680 275 2047 265 DFN-IP service G-WiN
1257 265 1205 208 SWIPnet Swedish IP Network
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 1630 226 67 Telecom Argentina Stet-France
8151 1230 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 415 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 362 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
3741 277 853 223 The Internet Solution
20858 224 34 3 EgyNet
2018 182 173 82 Tertiary Education Network
5713 174 575 108 Telkom SA Ltd
6713 146 136 12 Itissalat Al-MAGHRIB
5536 121 8 16 Internet Egypt Network
2905 85 177 75 The Internetworking Company o
15475 68 84 4 Nile Online
20484 63 8 3 Yalla Online Autonomous Syste
15706 60 12 4 Sudatel Internet Exchange Aut
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 3555 12659 318 CHINANET-BACKBONE
4538 2039 3134 41 China Education and Research
6389 1994 3086 177 bellsouth.net, inc.
22773 1890 2394 62 Cox Communications, Inc.
23577 1682 34 747 Korea Telecom (ATM-MPLS)
7303 1630 226 67 Telecom Argentina Stet-France
4755 1582 382 135 Videsh Sanchar Nigam Ltd. Aut
4323 1465 1045 379 Time Warner Telecom
2386 1435 645 880 AT&T Data Communications Serv
3549 1421 540 208 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4538 2039 1998 China Education and Research
22773 1890 1828 Cox Communications, Inc.
6389 1994 1817 bellsouth.net, inc.
7303 1630 1563 Telecom Argentina Stet-France
4755 1582 1447 Videsh Sanchar Nigam Ltd. Aut
3549 1421 1213 Global Crossing
11492 1224 1212 Cable One
9583 1145 1130 Sify Limited
9498 1164 1103 BHARTI BT INTERNET LTD.
4323 1465 1086 Time Warner Telecom
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
40220 UNALLOCATED 4.79.201.0/26 10886 University of Maryla
32473 UNALLOCATED 8.2.1.0/24 6517 Yipes Communications
22645 UNALLOCATED 8.2.5.0/24 7911 Williams Communicati
36394 UNALLOCATED 8.2.144.0/24 26554 US Signal
26769 UNALLOCATED 8.3.13.0/24 3356 Level 3 Communicatio
26769 UNALLOCATED 8.3.19.0/24 3356 Level 3 Communicatio
26769 UNALLOCATED 8.3.26.0/23 3356 Level 3 Communicatio
22886 UNALLOCATED 8.3.31.0/26 2914 Verio, Inc.
26759 UNALLOCATED 8.3.52.0/23 1239 Sprint
36524 UNALLOCATED 8.3.160.0/24 3356 Level 3 Communicatio
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
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:9 /10:16 /11:43 /12:142
/13:284 /14:517 /15:1019 /16:9987 /17:4450 /18:7416
/19:15689 /20:18474 /21:18003 /22:23077 /23:23620 /24:139743
/25:874 /26:1096 /27:372 /28:699 /29:352 /30:209
/31:0 /32:209
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4134 1737 3555 CHINANET-BACKBONE
6389 1462 1994 bellsouth.net, inc.
11492 1224 1224 Cable One
1803 1152 1174 SPRINT
2386 1104 1435 AT&T Data Communications Serv
18566 1044 1044 Covad Communications
7011 1005 1088 Citizens Utilities
6478 951 952 AT&T Worldnet Services
9498 939 1164 BHARTI BT INTERNET LTD.
7303 913 1630 Telecom Argentina Stet-France
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:108 12:2068 13:1 14:1 15:20
16:3 17:5 18:13 20:37 24:1076 25:1
32:199 33:3 38:425 40:93 41:648 43:1
44:2 47:12 52:3 55:3 56:3 57:46
58:585 59:507 60:443 61:1204 62:1141 63:1965
64:3629 65:2421 66:3703 67:1208 68:681 69:2245
70:636 71:125 72:1759 73:5 74:974 75:217
76:323 77:664 78:615 79:169 80:901 81:854
82:590 83:405 84:578 85:1024 86:417 87:682
88:325 89:1204 90:11 91:1242 92:182 93:493
96:31 97:18 98:173 99:3 114:6 116:659
117:326 118:179 119:428 120:40 121:533 122:774
123:350 124:872 125:1448 128:325 129:203 130:131
131:404 132:66 133:9 134:177 135:33 136:219
137:89 138:151 139:75 140:483 141:99 142:399
143:300 144:356 145:50 146:374 147:153 148:499
149:184 150:131 151:190 152:144 153:135 154:10
155:273 156:174 157:272 158:163 159:222 160:256
161:112 162:228 163:186 164:523 165:459 166:325
167:324 168:612 169:131 170:446 171:28 172:11
189:188 190:2188 192:5798 193:4105 194:3229 195:2484
196:1066 198:3748 199:3263 200:5970 201:1594 202:8233
203:7888 204:4009 205:2091 206:2495 207:2831 208:3507
209:3541 210:2887 211:1211 212:1401 213:1647 214:466
215:49 216:4419 217:1209 218:512 219:518 220:1199
221:523 222:593
End of report
