Routing Table Report 00:00 GMT Fri 06 Jul, 2007
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/oix-data/2007/07/06
Analysis Summary
----------------
BGP routing table entries examined: 234524
Prefixes after maximum aggregation: 120548
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 109402
Total ASes present in the Internet Routing Table: 25661
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 22229
Origin ASes announcing only one prefix: 10818
Transit ASes present in the Internet Routing Table: 3432
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 50
Unregistered ASNs in the Routing Table: 29
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1733089604
Equivalent to 103 /8s, 76 /16s and 217 /24s
Percentage of available address space announced: 46.8
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 125490
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53960
Total APNIC prefixes after maximum aggregation: 20816
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 50731
Unique aggregates announced from the APNIC address blocks: 21822
APNIC Region origin ASes present in the Internet Routing Table: 3009
APNIC Prefixes per ASN: 16.86
APNIC Region origin ASes announcing only one prefix: 799
APNIC Region transit ASes present in the Internet Routing Table: 473
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 301857212
Equivalent to 17 /8s, 253 /16s and 249 /24s
Percentage of available APNIC address space announced: 74.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 113898
Total ARIN prefixes after maximum aggregation: 63342
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 84699
Unique aggregates announced from the ARIN address blocks: 31059
ARIN Region origin ASes present in the Internet Routing Table: 11670
ARIN Prefixes per ASN: 7.26
ARIN Region origin ASes announcing only one prefix: 4487
ARIN Region transit ASes present in the Internet Routing Table: 1112
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 338634144
Equivalent to 20 /8s, 47 /16s and 37 /24s
Percentage of available ARIN address space announced: 74.8
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
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 48571
Total RIPE prefixes after maximum aggregation: 31080
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 45053
Unique aggregates announced from the RIPE address blocks: 28921
RIPE Region origin ASes present in the Internet Routing Table: 9886
RIPE Prefixes per ASN: 4.56
RIPE Region origin ASes announcing only one prefix: 5208
RIPE Region transit ASes present in the Internet Routing Table: 1616
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 321441344
Equivalent to 19 /8s, 40 /16s and 206 /24s
Percentage of available RIPE address space announced: 79.8
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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15418
Total LACNIC prefixes after maximum aggregation: 4255
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13451
Unique aggregates announced from the LACNIC address blocks: 7603
LACNIC Region origin ASes present in the Internet Routing Table: 820
LACNIC Prefixes per ASN: 16.40
LACNIC Region origin ASes announcing only one prefix: 264
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40264192
Equivalent to 2 /8s, 102 /16s and 98 /24s
Percentage of available LACNIC address space announced: 60.0
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2630
Total AfriNIC prefixes after maximum aggregation: 1045
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 2103
Unique aggregates announced from the AfriNIC address blocks: 1247
AfriNIC Region origin ASes present in the Internet Routing Table: 197
AfriNIC Prefixes per ASN: 10.68
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6280192
Equivalent to 0 /8s, 95 /16s and 212 /24s
Percentage of available AfriNIC address space announced: 18.7
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 1346 10189 282 CHINANET-BACKBONE
4755 1260 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1107 79 392 Sify Limited
9498 985 469 66 BHARTI BT INTERNET LTD.
23577 947 34 808 Korea Telecom (ATM-MPLS)
4766 781 4927 314 Korea Telecom (KIX)
17488 712 46 52 Hathway IP Over Cable Interne
7545 691 152 116 TPG Internet Pty Ltd
1221 590 1950 438 Telstra Pty Ltd
18101 563 117 36 Reliance Infocom Ltd Internet
4812 519 904 92 China Telecom (Shanghai)
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 485 218 270 SingTel Optus Pty Ltd
9443 471 122 78 Primus Telecommunications
9942 430 76 112 COMindico Australia
4802 412 105 150 Wantree Development
17974 371 130 13 PT TELEKOMUNIKASI INDONESIA
2907 365 1717 304 SINET Japan
9829 363 258 15 BSNL National Internet Backbo
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1021 939 671 Telenor Internet Access
702 504 1930 403 UUNET - Commercial IP service
5089 380 1658 52 NTL Group Limited
24863 355 56 36 LINKdotNET AS number
8551 322 312 50 Bezeq International
3301 310 1455 290 TeliaNet Sweden
3320 310 6034 257 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 263 2044 255 DFN-IP service G-WiN
9116 260 136 25 Goldenlines main autonomous s
3215 255 2376 96 France Telecom Transpac
8220 249 444 240 COLT Telecommunications
8708 249 420 239 Romania Data Systems S.A.
3269 222 2775 74 TELECOM ITALIA
3352 219 1864 41 Ibernet, Internet Access Netw
1257 210 1196 175 SWIPnet Swedish IP Network
9121 210 1441 24 TTnet Autonomous System
3246 197 329 184 Song Networks
2856 194 2318 151 BTnet UK Regional network
3300 193 172 94 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4917 6580 710 UUNET Technologies, Inc.
7018 1460 10145 983 AT&T WorldNet Services
4323 1320 1038 369 Time Warner Telecom
2386 1214 615 755 AT&T Data Communications Serv
6478 1130 368 135 AT&T Worldnet Services
11492 1095 107 24 Cable One
6197 1027 717 509 BellSouth Network Solutions,
18566 1011 288 9 Covad Communications
174 961 6777 859 Cogent Communications
7011 850 252 538 Citizens Utilities
705 810 476 370 UUNET Technologies, Inc.
1239 798 2717 569 Sprint
20115 798 728 424 Charter Communications
7046 779 263 639 UUNET Technologies, Inc.
19262 778 2724 201 Verizon Global Networks
209 751 3859 584 Qwest
22773 730 1892 44 Cox Communications, Inc.
577 662 810 204 Bell Advanced Communications
5668 615 169 21 CenturyTel Internet Holdings,
7029 614 488 79 Alltel Information Services,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1260 1189 Videsh Sanchar Nigam Ltd. Aut
11492 1095 1071 Cable One
4134 1346 1064 CHINANET-BACKBONE
18566 1011 1002 Covad Communications
6478 1130 995 AT&T Worldnet Services
4323 1320 951 Time Warner Telecom
9498 985 919 BHARTI BT INTERNET LTD.
9583 1107 715 Sify Limited
22773 730 686 Cox Communications, Inc.
17488 712 660 Hathway IP Over Cable Interne
8151 855 648 UniNet S.A. de C.V.
5668 615 594 CenturyTel Internet Holdings,
19262 778 577 Verizon Global Networks
7545 691 575 TPG Internet Pty Ltd
7029 614 535 Alltel Information Services,
18101 563 527 Reliance Infocom Ltd Internet
6517 561 525 Yipes Communications, Inc.
6197 1027 518 BellSouth Network Solutions,
19916 568 517 OLM LLC
15270 555 517 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65502 PRIVATE 63.220.13.0/24 19316 Spectrum Access, Inc
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65500 PRIVATE 192.239.84.0/24 10886 University of Maryla
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
65502 PRIVATE 206.161.9.0/24 19316 Spectrum Access, Inc
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65502 PRIVATE 207.226.249.0/24 19316 Spectrum Access, Inc
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
37956 UNALLOCATED 221.123.16.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.17.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.18.0/24 38440 Mobileclusters Ltd
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
172.33.1.0/24 7018 AT&T WorldNet Services
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:15 /11:36 /12:130
/13:264 /14:466 /15:906 /16:9584 /17:4083 /18:6612
/19:13826 /20:16321 /21:14523 /22:19230 /23:20411 /24:124195
/25:1050 /26:1328 /27:577 /28:282 /29:219 /30:325
/31:1 /32:113
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3689 4917 UUNET Technologies, Inc.
6478 1120 1130 AT&T Worldnet Services
11492 1086 1095 Cable One
18566 993 1011 Covad Communications
9583 951 1107 Sify Limited
23577 938 947 Korea Telecom (ATM-MPLS)
2119 916 1021 Telenor Internet Access
2386 905 1214 AT&T Data Communications Serv
7018 794 1460 AT&T WorldNet Services
6197 780 1027 BellSouth Network Solutions,
7011 749 850 Citizens Utilities
4755 657 1260 Videsh Sanchar Nigam Ltd. Aut
9498 656 985 BHARTI BT INTERNET LTD.
4766 588 781 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 552 1320 Time Warner Telecom
17488 535 712 Hathway IP Over Cable Interne
7046 533 779 UUNET Technologies, Inc.
705 531 810 UUNET Technologies, Inc.
6517 527 561 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1828 15:19
16:3 17:3 18:11 20:37 24:940 25:1
32:168 33:3 38:332 40:61 41:180 43:6
44:2 47:4 52:4 55:3 56:3 57:53
58:430 59:390 60:322 61:1001 62:933 63:3350
64:3238 65:3700 66:3390 67:761 68:628 69:1911
70:440 71:106 72:1340 73:2 74:563 75:266
76:74 77:265 78:18 80:840 81:819 82:724
83:394 84:490 85:861 86:345 87:441 88:282
89:886 90:6 91:406 97:6 98:4 116:250
117:45 121:220 122:568 123:123 124:836 125:946
128:291 129:225 130:139 131:367 132:54 133:9
134:193 135:38 136:150 137:86 138:149 139:124
140:482 141:173 142:397 143:245 144:293 145:42
146:325 147:121 148:402 149:148 150:113 151:160
152:94 153:126 154:5 155:254 156:153 157:213
158:157 159:158 160:105 161:95 162:222 163:181
164:461 165:416 166:294 167:283 168:506 169:120
170:406 171:18 172:1 189:62 190:707 192:5828
193:3920 194:3194 195:2320 196:983 198:3930 199:3349
200:4908 201:1094 202:7456 203:7647 204:4101 205:2132
206:2616 207:3086 208:3344 209:3624 210:2463 211:1014
212:1321 213:1504 214:412 215:41 216:4173 217:1156
218:379 219:388 220:991 221:419 222:264
End of report