Routing Table Report 00:00 GMT Tue 17 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/2007/07/17
Analysis Summary
----------------
BGP routing table entries examined: 235336
Prefixes after maximum aggregation: 120151
Deaggregation factor: 1.96
Unique aggregates announced to Internet: 108829
Total ASes present in the Internet Routing Table: 25749
Prefixes per ASN: 9.14
Origin-only ASes present in the Internet Routing Table: 22379
Origin ASes announcing only one prefix: 10874
Transit ASes present in the Internet Routing Table: 3370
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 25
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 46
Unregistered ASNs in the Routing Table: 30
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: 1739020292
Equivalent to 103 /8s, 167 /16s and 88 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 126139
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54136
Total APNIC prefixes after maximum aggregation: 20457
APNIC Deaggregation factor: 2.65
Prefixes being announced from the APNIC address blocks: 50895
Unique aggregates announced from the APNIC address blocks: 20860
APNIC Region origin ASes present in the Internet Routing Table: 3019
APNIC Prefixes per ASN: 16.86
APNIC Region origin ASes announcing only one prefix: 798
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 305070524
Equivalent to 18 /8s, 47 /16s and 1 /24s
Percentage of available APNIC address space announced: 75.6
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: 114067
Total ARIN prefixes after maximum aggregation: 63457
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 84828
Unique aggregates announced from the ARIN address blocks: 31288
ARIN Region origin ASes present in the Internet Routing Table: 11693
ARIN Prefixes per ASN: 7.25
ARIN Region origin ASes announcing only one prefix: 4496
ARIN Region transit ASes present in the Internet Routing Table: 1101
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 339194784
Equivalent to 20 /8s, 55 /16s and 179 /24s
Percentage of available ARIN address space announced: 74.9
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: 48860
Total RIPE prefixes after maximum aggregation: 30868
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45294
Unique aggregates announced from the RIPE address blocks: 29045
RIPE Region origin ASes present in the Internet Routing Table: 9946
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5253
RIPE Region transit ASes present in the Internet Routing Table: 1586
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 322934272
Equivalent to 19 /8s, 63 /16s and 150 /24s
Percentage of available RIPE address space announced: 80.2
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: 15565
Total LACNIC prefixes after maximum aggregation: 4300
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13596
Unique aggregates announced from the LACNIC address blocks: 7650
LACNIC Region origin ASes present in the Internet Routing Table: 824
LACNIC Prefixes per ASN: 16.50
LACNIC Region origin ASes announcing only one prefix: 267
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40586496
Equivalent to 2 /8s, 107 /16s and 77 /24s
Percentage of available LACNIC address space announced: 60.5
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: 2665
Total AfriNIC prefixes after maximum aggregation: 1059
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 2184
Unique aggregates announced from the AfriNIC address blocks: 1280
AfriNIC Region origin ASes present in the Internet Routing Table: 195
AfriNIC Prefixes per ASN: 11.20
AfriNIC Region origin ASes announcing only one prefix: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6317312
Equivalent to 0 /8s, 96 /16s and 101 /24s
Percentage of available AfriNIC address space announced: 18.8
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 1356 10827 287 CHINANET-BACKBONE
4755 1278 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1119 108 17 Sify Limited
9498 972 533 70 BHARTI BT INTERNET LTD.
23577 933 34 798 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 721 63 54 Hathway IP Over Cable Interne
7545 690 150 110 TPG Internet Pty Ltd
1221 592 1951 437 Telstra Pty Ltd
18101 569 117 41 Reliance Infocom Ltd Internet
4812 524 911 94 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 490 218 273 SingTel Optus Pty Ltd
9443 473 122 78 Primus Telecommunications
9942 439 77 113 COMindico Australia
4802 412 105 150 Wantree Development
17974 371 130 13 PT TELEKOMUNIKASI INDONESIA
2907 365 1701 303 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 1024 1015 312 Telenor Internet Access
702 500 1921 401 UUNET - Commercial IP service
5089 370 1658 53 NTL Group Limited
24863 357 56 40 LINKdotNET AS number
8551 322 312 50 Bezeq International
9116 315 168 25 Goldenlines main autonomous s
3301 311 1456 291 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
6746 281 129 257 Dynamic Network Technologies,
680 265 2045 256 DFN-IP service G-WiN
3215 255 2376 96 France Telecom Transpac
8220 252 444 243 COLT Telecommunications
8708 250 420 239 Romania Data Systems S.A.
3269 222 2775 74 TELECOM ITALIA
3352 218 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 207 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
3300 194 172 94 AUCS Communications Services
2856 192 2318 152 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4872 6562 713 UUNET Technologies, Inc.
7018 1475 10162 993 AT&T WorldNet Services
4323 1320 1021 375 Time Warner Telecom
2386 1214 632 757 AT&T Data Communications Serv
6478 1130 371 150 AT&T Worldnet Services
11492 1099 107 27 Cable One
6197 1026 717 508 BellSouth Network Solutions,
18566 1014 288 9 Covad Communications
174 961 6775 850 Cogent Communications
7011 857 252 537 Citizens Utilities
705 809 476 369 UUNET Technologies, Inc.
1239 807 2733 574 Sprint
20115 800 734 428 Charter Communications
7046 773 246 634 UUNET Technologies, Inc.
19262 758 2755 184 Verizon Global Networks
209 748 3860 593 Qwest
22773 739 1893 50 Cox Communications, Inc.
577 665 810 205 Bell Advanced Communications
5668 616 169 21 CenturyTel Internet Holdings,
7029 610 485 77 Alltel Information Services,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1278 1207 Videsh Sanchar Nigam Ltd. Aut
9583 1119 1102 Sify Limited
11492 1099 1072 Cable One
4134 1356 1069 CHINANET-BACKBONE
18566 1014 1005 Covad Communications
6478 1130 980 AT&T Worldnet Services
4323 1320 945 Time Warner Telecom
9498 972 902 BHARTI BT INTERNET LTD.
2119 1024 712 Telenor Internet Access
22773 739 689 Cox Communications, Inc.
17488 721 667 Hathway IP Over Cable Interne
8151 830 634 UniNet S.A. de C.V.
5668 616 595 CenturyTel Internet Holdings,
7545 690 580 TPG Internet Pty Ltd
19262 758 574 Verizon Global Networks
7029 610 533 Alltel Information Services,
18101 569 528 Reliance Infocom Ltd Internet
6517 561 525 Yipes Communications, Inc.
15270 557 519 PaeTec.net -a division of Pae
6197 1026 518 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
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
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
65101 PRIVATE 203.127.145.0/24 9255 Singapore Telecom
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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
192.0.2.0/24 812 Rogers WAVE
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 /12:132
/13:262 /14:470 /15:910 /16:9604 /17:4090 /18:6610
/19:13857 /20:16349 /21:14663 /22:19324 /23:20531 /24:124616
/25:1034 /26:1329 /27:577 /28:267 /29:199 /30:320
/31:7 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3647 4872 UUNET Technologies, Inc.
6478 1120 1130 AT&T Worldnet Services
11492 1090 1099 Cable One
18566 996 1014 Covad Communications
9583 952 1119 Sify Limited
23577 924 933 Korea Telecom (ATM-MPLS)
2119 916 1024 Telenor Internet Access
2386 905 1214 AT&T Data Communications Serv
7018 800 1475 AT&T WorldNet Services
6197 780 1026 BellSouth Network Solutions,
7011 756 857 Citizens Utilities
4755 672 1278 Videsh Sanchar Nigam Ltd. Aut
9498 647 972 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 552 1320 Time Warner Telecom
17488 543 721 Hathway IP Over Cable Interne
7046 530 773 UUNET Technologies, Inc.
705 529 809 UUNET Technologies, Inc.
6517 527 561 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1828 15:19
16:3 17:3 18:11 20:37 24:940 25:1
32:167 33:3 38:333 40:60 41:215 43:6
44:2 47:3 52:4 55:3 56:3 57:50
58:479 59:383 60:335 61:1001 62:935 63:3345
64:3246 65:3701 66:3396 67:758 68:629 69:1909
70:438 71:106 72:1353 73:2 74:571 75:270
76:75 77:283 78:19 80:839 81:820 82:718
83:389 84:502 85:872 86:342 87:447 88:288
89:920 90:7 91:420 97:6 98:4 116:251
117:53 121:237 122:575 123:133 124:874 125:943
128:289 129:224 130:140 131:363 132:54 133:9
134:194 135:38 136:180 137:86 138:156 139:123
140:496 141:173 142:397 143:234 144:297 145:45
146:324 147:123 148:401 149:148 150:113 151:160
152:92 153:127 154:3 155:255 156:153 157:214
158:158 159:162 160:104 161:96 162:220 163:181
164:474 165:411 166:294 167:290 168:511 169:120
170:408 171:23 172:1 189:62 190:746 192:5801
193:3945 194:3193 195:2311 196:1016 198:3922 199:3353
200:4926 201:1099 202:7440 203:7634 204:4114 205:2128
206:2620 207:3086 208:3359 209:3623 210:2443 211:981
212:1321 213:1530 214:413 215:41 216:4170 217:1159
218:382 219:391 220:1002 221:417 222:266
End of report