Routing Table Report 00:00 GMT Tue 14 Aug, 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/2007/08/14
Analysis Summary
----------------
BGP routing table entries examined: 233743
Prefixes after maximum aggregation: 120591
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 111102
Total ASes present in the Internet Routing Table: 25997
Prefixes per ASN: 8.99
Origin-only ASes present in the Internet Routing Table: 22606
Origin ASes announcing only one prefix: 11004
Transit ASes present in the Internet Routing Table: 3391
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 21
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 40
Unregistered ASNs in the Routing Table: 20
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1750254276
Equivalent to 104 /8s, 82 /16s and 194 /24s
Percentage of available address space announced: 47.2
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 124425
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55142
Total APNIC prefixes after maximum aggregation: 21034
APNIC Deaggregation factor: 2.62
Prefixes being announced from the APNIC address blocks: 51959
Unique aggregates announced from the APNIC address blocks: 22140
APNIC Region origin ASes present in the Internet Routing Table: 3042
APNIC Prefixes per ASN: 17.08
APNIC Region origin ASes announcing only one prefix: 821
APNIC Region transit ASes present in the Internet Routing Table: 466
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 311350196
Equivalent to 18 /8s, 142 /16s and 211 /24s
Percentage of available APNIC address space announced: 77.1
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: 109954
Total ARIN prefixes after maximum aggregation: 63129
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80710
Unique aggregates announced from the ARIN address blocks: 31861
ARIN Region origin ASes present in the Internet Routing Table: 11749
ARIN Prefixes per ASN: 6.87
ARIN Region origin ASes announcing only one prefix: 4499
ARIN Region transit ASes present in the Internet Routing Table: 1093
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 342081888
Equivalent to 20 /8s, 99 /16s and 193 /24s
Percentage of available ARIN address space announced: 75.5
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: 49626
Total RIPE prefixes after maximum aggregation: 30963
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 46063
Unique aggregates announced from the RIPE address blocks: 29285
RIPE Region origin ASes present in the Internet Routing Table: 10076
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 5342
RIPE Region transit ASes present in the Internet Routing Table: 1620
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 324106560
Equivalent to 19 /8s, 81 /16s and 121 /24s
Percentage of available RIPE address space announced: 74.3
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16190
Total LACNIC prefixes after maximum aggregation: 4391
LACNIC Deaggregation factor: 3.69
Prefixes being announced from the LACNIC address blocks: 14255
Unique aggregates announced from the LACNIC address blocks: 7669
LACNIC Region origin ASes present in the Internet Routing Table: 847
LACNIC Prefixes per ASN: 16.83
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41888768
Equivalent to 2 /8s, 127 /16s and 44 /24s
Percentage of available LACNIC address space announced: 62.4
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: 2788
Total AfriNIC prefixes after maximum aggregation: 1062
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2291
Unique aggregates announced from the AfriNIC address blocks: 1345
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.18
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6399744
Equivalent to 0 /8s, 97 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 19.1
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 1343 11142 287 CHINANET-BACKBONE
4755 1322 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1122 80 400 Sify Limited
9498 995 532 69 BHARTI BT INTERNET LTD.
23577 927 34 796 Korea Telecom (ATM-MPLS)
9394 841 1712 7 CHINA RAILWAY Internet(CRNET)
4766 797 5440 315 Korea Telecom (KIX)
17488 742 48 59 Hathway IP Over Cable Interne
7545 699 150 115 TPG Internet Pty Ltd
1221 595 1951 439 Telstra Pty Ltd
18101 586 118 44 Reliance Infocom Ltd Internet
4812 537 931 96 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
4808 479 770 109 CNCGROUP IP network: China169
9443 474 122 78 Primus Telecommunications
7474 473 217 271 SingTel Optus Pty Ltd
9942 440 77 113 COMindico Australia
4802 420 112 151 Wantree Development
9829 363 258 14 BSNL National Internet Backbo
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1130 1079 183 Telenor Internet Access
702 502 1922 403 UUNET - Commercial IP service
5089 369 1658 54 NTL Group Limited
24863 362 57 41 LINKdotNET AS number
9116 340 168 26 Goldenlines main autonomous s
8551 320 315 43 Bezeq International
3301 313 1456 293 TeliaNet Sweden
3320 312 6035 259 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
680 266 2061 257 DFN-IP service G-WiN
8220 263 446 245 COLT Telecommunications
8708 261 420 242 Romania Data Systems S.A.
3215 256 2392 97 France Telecom Transpac
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
1257 208 1195 173 SWIPnet Swedish IP Network
3300 197 171 92 AUCS Communications Services
3292 195 1379 175 TDC Tele Danmark
2856 193 2318 153 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1469 6082 981 AT&T WorldNet Services
4323 1328 1006 371 Time Warner Telecom
2386 1201 614 739 AT&T Data Communications Serv
11492 1120 109 32 Cable One
6478 1115 322 140 AT&T Worldnet Services
6197 1030 718 512 BellSouth Network Solutions,
18566 1019 288 9 Covad Communications
174 968 6777 857 Cogent Communications
701 945 6579 723 UUNET Technologies, Inc.
7011 905 259 544 Citizens Utilities
20115 804 740 431 Charter Communications
1239 802 2724 569 Sprint
19262 763 2721 182 Verizon Global Networks
22773 754 2148 49 Cox Communications, Inc.
209 740 3853 587 Qwest
577 703 797 205 Bell Advanced Communications
5668 629 171 24 CenturyTel Internet Holdings,
852 589 1094 367 Telus Advanced Communications
6517 578 161 38 Yipes Communications, Inc.
855 575 254 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1322 1252 Videsh Sanchar Nigam Ltd. Aut
11492 1120 1088 Cable One
4134 1343 1056 CHINANET-BACKBONE
18566 1019 1010 Covad Communications
6478 1115 975 AT&T Worldnet Services
4323 1328 957 Time Warner Telecom
2119 1130 947 Telenor Internet Access
9498 995 926 BHARTI BT INTERNET LTD.
9394 841 834 CHINA RAILWAY Internet(CRNET)
9583 1122 722 Sify Limited
8151 917 706 UniNet S.A. de C.V.
22773 754 705 Cox Communications, Inc.
17488 742 683 Hathway IP Over Cable Interne
5668 629 605 CenturyTel Internet Holdings,
7545 699 584 TPG Internet Pty Ltd
19262 763 581 Verizon Global Networks
18101 586 542 Reliance Infocom Ltd Internet
6517 578 540 Yipes Communications, Inc.
15270 568 530 PaeTec.net -a division of Pae
6197 1030 518 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65108 PRIVATE 84.234.80.0/20 43379 *
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
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
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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
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 /12:133
/13:262 /14:474 /15:924 /16:9619 /17:4136 /18:6664
/19:14034 /20:16620 /21:15232 /22:19457 /23:20513 /24:121728
/25:1064 /26:1389 /27:587 /28:260 /29:181 /30:297
/31:5 /32:86
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1114 1115 AT&T Worldnet Services
11492 1112 1120 Cable One
2119 1011 1130 Telenor Internet Access
18566 1001 1019 Covad Communications
9583 964 1122 Sify Limited
23577 918 927 Korea Telecom (ATM-MPLS)
2386 896 1201 AT&T Data Communications Serv
7018 807 1469 AT&T WorldNet Services
7011 803 905 Citizens Utilities
6197 783 1030 BellSouth Network Solutions,
4755 708 1322 Videsh Sanchar Nigam Ltd. Aut
9498 663 995 BHARTI BT INTERNET LTD.
4766 594 797 Korea Telecom (KIX)
17488 565 742 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 559 1328 Time Warner Telecom
6517 542 578 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
18101 496 586 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:86 12:1813 15:19 16:3
17:3 18:12 20:37 24:968 25:1 32:174
33:3 38:344 40:60 41:297 43:6 44:2
47:4 52:4 55:3 56:3 57:48 58:473
59:387 60:345 61:1008 62:994 63:2006 64:3189
65:2394 66:3357 67:771 68:628 69:1952 70:454
71:115 72:1388 73:2 74:619 75:298 76:101
77:280 78:34 80:846 81:835 82:728 83:387
84:603 85:865 86:343 87:478 88:279 89:956
90:22 91:457 97:6 116:281 117:116 121:261
122:573 123:152 124:841 125:977 128:290 129:211
130:140 131:362 132:55 133:9 134:199 135:34
136:188 137:84 138:148 139:122 140:495 141:171
142:397 143:254 144:297 145:46 146:324 147:120
148:410 149:145 150:111 151:159 152:91 153:122
154:4 155:260 156:156 157:212 158:157 159:176
160:108 161:97 162:186 163:179 164:476 165:395
166:271 167:295 168:509 169:121 170:393 171:22
172:2 189:68 190:927 192:5809 193:3986 194:3218
195:2343 196:1012 198:3898 199:3271 200:5088 201:1152
202:7461 203:7656 204:3975 205:1986 206:2471 207:2935
208:2779 209:3547 210:2453 211:1027 212:1337 213:1533
214:414 215:40 216:3997 217:1177 218:370 219:388
220:1030 221:416 222:261
End of report