Routing Table Report 00:00 GMT Sun 01 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/2007/07/01
Analysis Summary
----------------
BGP routing table entries examined: 234043
Prefixes after maximum aggregation: 119997
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 109297
Total ASes present in the Internet Routing Table: 25632
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 22222
Origin ASes announcing only one prefix: 10798
Transit ASes present in the Internet Routing Table: 3410
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 27
Max AS path prepend of ASN (18747) 22
Prefixes from unregistered ASNs in the Routing Table: 45
Unregistered ASNs in the Routing Table: 25
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1732208388
Equivalent to 103 /8s, 63 /16s and 103 /24s
Percentage of available address space announced: 46.7
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 125135
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53828
Total APNIC prefixes after maximum aggregation: 20765
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 50605
Unique aggregates announced from the APNIC address blocks: 21723
APNIC Region origin ASes present in the Internet Routing Table: 3006
APNIC Prefixes per ASN: 16.83
APNIC Region origin ASes announcing only one prefix: 802
APNIC Region transit ASes present in the Internet Routing Table: 474
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 301679036
Equivalent to 17 /8s, 251 /16s and 65 /24s
Percentage of available APNIC address space announced: 74.7
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: 113876
Total ARIN prefixes after maximum aggregation: 63381
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 84682
Unique aggregates announced from the ARIN address blocks: 31133
ARIN Region origin ASes present in the Internet Routing Table: 11659
ARIN Prefixes per ASN: 7.26
ARIN Region origin ASes announcing only one prefix: 4481
ARIN Region transit ASes present in the Internet Routing Table: 1102
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 338228896
Equivalent to 20 /8s, 40 /16s and 246 /24s
Percentage of available ARIN address space announced: 74.7
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: 48318
Total RIPE prefixes after maximum aggregation: 30551
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 44815
Unique aggregates announced from the RIPE address blocks: 28935
RIPE Region origin ASes present in the Internet Routing Table: 9873
RIPE Prefixes per ASN: 4.54
RIPE Region origin ASes announcing only one prefix: 5196
RIPE Region transit ASes present in the Internet Routing Table: 1615
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 321475584
Equivalent to 19 /8s, 41 /16s and 84 /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: 15331
Total LACNIC prefixes after maximum aggregation: 4246
LACNIC Deaggregation factor: 3.61
Prefixes being announced from the LACNIC address blocks: 13379
Unique aggregates announced from the LACNIC address blocks: 7534
LACNIC Region origin ASes present in the Internet Routing Table: 817
LACNIC Prefixes per ASN: 16.38
LACNIC Region origin ASes announcing only one prefix: 260
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 40052992
Equivalent to 2 /8s, 99 /16s and 41 /24s
Percentage of available LACNIC address space announced: 59.7
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: 2647
Total AfriNIC prefixes after maximum aggregation: 1046
AfriNIC Deaggregation factor: 2.53
Prefixes being announced from the AfriNIC address blocks: 2115
Unique aggregates announced from the AfriNIC address blocks: 1243
AfriNIC Region origin ASes present in the Internet Routing Table: 196
AfriNIC Prefixes per ASN: 10.79
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6197760
Equivalent to 0 /8s, 94 /16s and 146 /24s
Percentage of available AfriNIC address space announced: 18.5
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 10173 283 CHINANET-BACKBONE
4755 1242 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1104 79 391 Sify Limited
9498 984 469 66 BHARTI BT INTERNET LTD.
23577 919 35 815 Korea Telecom (ATM-MPLS)
4766 789 4927 312 Korea Telecom (KIX)
17488 706 46 49 Hathway IP Over Cable Interne
7545 695 153 116 TPG Internet Pty Ltd
1221 599 1954 439 Telstra Pty Ltd
18101 564 117 36 Reliance Infocom Ltd Internet
4812 518 904 92 China Telecom (Shanghai)
4668 508 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 486 218 271 SingTel Optus Pty Ltd
9443 468 121 78 Primus Telecommunications
9942 430 76 112 COMindico Australia
4802 412 105 150 Wantree Development
17974 370 130 13 PT TELEKOMUNIKASI INDONESIA
2907 365 1716 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 954 1079 181 Telenor Internet Access
702 501 1920 397 UUNET - Commercial IP service
24863 354 56 36 LINKdotNET AS number
5089 334 1658 53 NTL Group Limited
8551 322 312 50 Bezeq International
3301 310 1455 290 TeliaNet Sweden
3320 305 6034 256 Deutsche Telekom AG
6746 280 129 256 Dynamic Network Technologies,
680 264 2044 255 DFN-IP service G-WiN
3215 254 2376 96 France Telecom Transpac
8220 248 440 239 COLT Telecommunications
8708 248 419 238 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
9116 200 136 25 Goldenlines main autonomous s
3246 198 330 185 Song Networks
2856 195 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 4946 6596 717 UUNET Technologies, Inc.
7018 1482 10191 992 AT&T WorldNet Services
4323 1315 1042 366 Time Warner Telecom
2386 1200 615 753 AT&T Data Communications Serv
6478 1126 368 141 AT&T Worldnet Services
11492 1094 107 23 Cable One
6197 1025 717 508 BellSouth Network Solutions,
18566 1011 288 9 Covad Communications
174 953 6778 863 Cogent Communications
7011 849 252 538 Citizens Utilities
1239 812 2743 581 Sprint
705 811 476 371 UUNET Technologies, Inc.
20115 798 728 424 Charter Communications
7046 781 263 640 UUNET Technologies, Inc.
19262 775 2707 198 Verizon Global Networks
209 754 3855 582 Qwest
22773 728 1892 44 Cox Communications, Inc.
577 659 810 204 Bell Advanced Communications
5668 614 169 21 CenturyTel Internet Holdings,
7029 603 488 80 Alltel Information Services,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1242 1172 Videsh Sanchar Nigam Ltd. Aut
11492 1094 1071 Cable One
4134 1346 1063 CHINANET-BACKBONE
18566 1011 1002 Covad Communications
6478 1126 985 AT&T Worldnet Services
4323 1315 949 Time Warner Telecom
9498 984 918 BHARTI BT INTERNET LTD.
2119 954 773 Telenor Internet Access
9583 1104 713 Sify Limited
22773 728 684 Cox Communications, Inc.
17488 706 657 Hathway IP Over Cable Interne
8151 855 643 UniNet S.A. de C.V.
5668 614 593 CenturyTel Internet Holdings,
7545 695 579 TPG Internet Pty Ltd
19262 775 577 Verizon Global Networks
18101 564 528 Reliance Infocom Ltd Internet
6517 561 526 Yipes Communications, Inc.
7029 603 523 Alltel Information Services,
6197 1025 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
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.
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
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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
192.0.2.0/24 812 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 /12:129
/13:265 /14:466 /15:911 /16:9570 /17:4096 /18:6625
/19:13817 /20:16219 /21:14506 /22:19130 /23:20380 /24:124033
/25:1046 /26:1282 /27:575 /28:273 /29:206 /30:326
/31:1 /32:109
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3708 4946 UUNET Technologies, Inc.
6478 1116 1126 AT&T Worldnet Services
11492 1085 1094 Cable One
18566 993 1011 Covad Communications
9583 948 1104 Sify Limited
23577 905 919 Korea Telecom (ATM-MPLS)
2386 893 1200 AT&T Data Communications Serv
2119 846 954 Telenor Internet Access
7018 803 1482 AT&T WorldNet Services
6197 778 1025 BellSouth Network Solutions,
7011 748 849 Citizens Utilities
9498 654 984 BHARTI BT INTERNET LTD.
4755 640 1242 Videsh Sanchar Nigam Ltd. Aut
4766 596 789 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 551 1315 Time Warner Telecom
7046 535 781 UUNET Technologies, Inc.
705 531 811 UUNET Technologies, Inc.
17488 529 706 Hathway IP Over Cable Interne
6517 527 561 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1824 15:18
16:3 17:3 18:11 20:38 24:940 25:1
32:167 33:3 38:332 40:61 41:181 43:6
44:2 47:4 52:4 55:3 56:3 57:53
58:429 59:391 60:317 61:1003 62:934 63:3366
64:3242 65:3705 66:3387 67:761 68:634 69:1905
70:438 71:107 72:1333 73:2 74:551 75:266
76:74 77:260 78:2 80:827 81:821 82:754
83:390 84:434 85:858 86:342 87:481 88:286
89:876 90:7 91:386 97:6 98:4 116:221
117:57 121:215 122:555 123:121 124:835 125:945
128:278 129:225 130:126 131:354 132:53 133:9
134:195 135:39 136:179 137:86 138:148 139:123
140:482 141:173 142:398 143:244 144:298 145:43
146:321 147:123 148:402 149:146 150:113 151:160
152:95 153:126 154:5 155:254 156:152 157:213
158:157 159:158 160:106 161:95 162:222 163:183
164:455 165:413 166:294 167:287 168:504 169:120
170:407 171:18 172:1 189:62 190:681 192:5829
193:3917 194:3194 195:2317 196:989 198:3940 199:3355
200:4899 201:1074 202:7465 203:7622 204:4104 205:2130
206:2623 207:3085 208:3349 209:3619 210:2479 211:1003
212:1327 213:1503 214:405 215:40 216:4173 217:1159
218:380 219:377 220:989 221:418 222:264
End of report