Routing Table Report 00:00 GMT Wed 18 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/2007/07/18
Analysis Summary
----------------
BGP routing table entries examined: 235452
Prefixes after maximum aggregation: 120938
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 109817
Total ASes present in the Internet Routing Table: 25741
Prefixes per ASN: 9.15
Origin-only ASes present in the Internet Routing Table: 22326
Origin ASes announcing only one prefix: 10875
Transit ASes present in the Internet Routing Table: 3415
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 42
Unregistered ASNs in the Routing Table: 25
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: 1739228228
Equivalent to 103 /8s, 170 /16s and 132 /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: 126232
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54223
Total APNIC prefixes after maximum aggregation: 20906
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 50975
Unique aggregates announced from the APNIC address blocks: 21847
APNIC Region origin ASes present in the Internet Routing Table: 3018
APNIC Prefixes per ASN: 16.89
APNIC Region origin ASes announcing only one prefix: 794
APNIC Region transit ASes present in the Internet Routing Table: 465
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 304983228
Equivalent to 18 /8s, 45 /16s and 172 /24s
Percentage of available APNIC address space announced: 75.5
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: 114077
Total ARIN prefixes after maximum aggregation: 63477
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 84836
Unique aggregates announced from the ARIN address blocks: 31287
ARIN Region origin ASes present in the Internet Routing Table: 11681
ARIN Prefixes per ASN: 7.26
ARIN Region origin ASes announcing only one prefix: 4495
ARIN Region transit ASes present in the Internet Routing Table: 1109
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 339214880
Equivalent to 20 /8s, 56 /16s and 2 /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: 48843
Total RIPE prefixes after maximum aggregation: 31190
RIPE Deaggregation factor: 1.57
Prefixes being announced from the RIPE address blocks: 45275
Unique aggregates announced from the RIPE address blocks: 28998
RIPE Region origin ASes present in the Internet Routing Table: 9940
RIPE Prefixes per ASN: 4.55
RIPE Region origin ASes announcing only one prefix: 5257
RIPE Region transit ASes present in the Internet Routing Table: 1613
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 323107520
Equivalent to 19 /8s, 66 /16s and 58 /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: 15587
Total LACNIC prefixes after maximum aggregation: 4292
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13628
Unique aggregates announced from the LACNIC address blocks: 7666
LACNIC Region origin ASes present in the Internet Routing Table: 828
LACNIC Prefixes per ASN: 16.46
LACNIC Region origin ASes announcing only one prefix: 267
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40670720
Equivalent to 2 /8s, 108 /16s and 150 /24s
Percentage of available LACNIC address space announced: 60.6
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: 2681
Total AfriNIC prefixes after maximum aggregation: 1063
AfriNIC Deaggregation factor: 2.52
Prefixes being announced from the AfriNIC address blocks: 2187
Unique aggregates announced from the AfriNIC address blocks: 1286
AfriNIC Region origin ASes present in the Internet Routing Table: 198
AfriNIC Prefixes per ASN: 11.05
AfriNIC Region origin ASes announcing only one prefix: 62
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6319872
Equivalent to 0 /8s, 96 /16s and 111 /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 1361 10827 287 CHINANET-BACKBONE
4755 1279 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1112 80 377 Sify Limited
9498 972 533 70 BHARTI BT INTERNET LTD.
23577 934 34 798 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 721 63 54 Hathway IP Over Cable Interne
7545 693 150 112 TPG Internet Pty Ltd
1221 591 1951 435 Telstra Pty Ltd
18101 572 117 41 Reliance Infocom Ltd Internet
4812 523 913 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 487 218 271 SingTel Optus Pty Ltd
9443 473 122 78 Primus Telecommunications
9942 440 77 113 COMindico Australia
4802 412 105 150 Wantree Development
4808 370 682 123 CNCGROUP IP network: China169
2907 367 1725 305 SINET Japan
17974 367 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1021 939 669 Telenor Internet Access
702 500 1921 401 UUNET - Commercial IP service
5089 370 1658 53 NTL Group Limited
24863 358 56 40 LINKdotNET AS number
8551 322 312 50 Bezeq International
9116 314 168 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 251 444 242 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 208 1195 173 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 4870 6562 716 UUNET Technologies, Inc.
7018 1467 10146 983 AT&T WorldNet Services
4323 1319 1021 374 Time Warner Telecom
2386 1217 632 758 AT&T Data Communications Serv
6478 1121 316 144 AT&T Worldnet Services
11492 1100 107 27 Cable One
6197 1026 717 510 BellSouth Network Solutions,
18566 1014 288 9 Covad Communications
174 964 6776 853 Cogent Communications
7011 875 254 538 Citizens Utilities
705 808 476 368 UUNET Technologies, Inc.
20115 801 735 429 Charter Communications
1239 796 2716 571 Sprint
7046 772 246 634 UUNET Technologies, Inc.
19262 759 2755 185 Verizon Global Networks
209 743 3862 579 Qwest
22773 740 1893 50 Cox Communications, Inc.
577 665 810 205 Bell Advanced Communications
5668 618 169 21 CenturyTel Internet Holdings,
7029 613 488 79 Alltel Information Services,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1279 1208 Videsh Sanchar Nigam Ltd. Aut
4134 1361 1074 CHINANET-BACKBONE
11492 1100 1073 Cable One
18566 1014 1005 Covad Communications
6478 1121 977 AT&T Worldnet Services
4323 1319 945 Time Warner Telecom
9498 972 902 BHARTI BT INTERNET LTD.
9583 1112 735 Sify Limited
22773 740 690 Cox Communications, Inc.
17488 721 667 Hathway IP Over Cable Interne
8151 854 648 UniNet S.A. de C.V.
5668 618 597 CenturyTel Internet Holdings,
7545 693 581 TPG Internet Pty Ltd
19262 759 574 Verizon Global Networks
7029 613 534 Alltel Information Services,
18101 572 531 Reliance Infocom Ltd Internet
6517 561 524 Yipes Communications, Inc.
15270 557 519 PaeTec.net -a division of Pae
19916 568 517 OLM LLC
6197 1026 516 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
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
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
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet
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 /12:132
/13:261 /14:470 /15:911 /16:9600 /17:4090 /18:6609
/19:13868 /20:16359 /21:14681 /22:19355 /23:20570 /24:124639
/25:1032 /26:1329 /27:578 /28:264 /29:198 /30:319
/31:7 /32:102
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3651 4870 UUNET Technologies, Inc.
6478 1120 1121 AT&T Worldnet Services
11492 1091 1100 Cable One
18566 996 1014 Covad Communications
9583 954 1112 Sify Limited
23577 925 934 Korea Telecom (ATM-MPLS)
2119 916 1021 Telenor Internet Access
2386 906 1217 AT&T Data Communications Serv
7018 798 1467 AT&T WorldNet Services
6197 780 1026 BellSouth Network Solutions,
7011 774 875 Citizens Utilities
4755 673 1279 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 1319 Time Warner Telecom
17488 543 721 Hathway IP Over Cable Interne
7046 530 772 UUNET Technologies, Inc.
705 529 808 UUNET Technologies, Inc.
6517 526 561 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1823 15:19
16:3 17:3 18:11 20:37 24:939 25:1
32:167 33:3 38:332 40:60 41:217 43:6
44:2 47:4 52:4 55:3 56:3 57:50
58:480 59:385 60:335 61:1009 62:933 63:3348
64:3245 65:3696 66:3394 67:760 68:627 69:1908
70:441 71:106 72:1349 73:2 74:572 75:270
76:76 77:280 78:19 80:834 81:814 82:721
83:385 84:513 85:869 86:336 87:448 88:288
89:919 90:7 91:417 97:6 98:4 116:253
117:61 121:237 122:576 123:129 124:875 125:944
128:289 129:224 130:140 131:363 132:54 133:9
134:195 135:38 136:185 137:86 138:156 139:123
140:493 141:173 142:398 143:235 144:297 145:45
146:324 147:122 148:401 149:146 150:113 151:160
152:92 153:126 154:3 155:256 156:153 157:214
158:158 159:162 160:104 161:96 162:221 163:181
164:474 165:405 166:294 167:290 168:510 169:120
170:413 171:23 172:1 189:64 190:749 192:5802
193:3936 194:3192 195:2310 196:1013 198:3920 199:3355
200:4936 201:1099 202:7446 203:7634 204:4108 205:2120
206:2620 207:3088 208:3357 209:3613 210:2439 211:1004
212:1327 213:1529 214:411 215:41 216:4177 217:1161
218:382 219:393 220:1014 221:417 222:266
End of report