Routing Table Report 00:00 GMT Tue 28 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/2007/08/28
Analysis Summary
----------------
BGP routing table entries examined: 234925
Prefixes after maximum aggregation: 120581
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 109475
Total ASes present in the Internet Routing Table: 26110
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22611
Origin ASes announcing only one prefix: 11013
Transit ASes present in the Internet Routing Table: 3499
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 31
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 31
Unregistered ASNs in the Routing Table: 19
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1757178692
Equivalent to 104 /8s, 188 /16s and 107 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125480
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55020
Total APNIC prefixes after maximum aggregation: 20683
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 51814
Unique aggregates announced from the APNIC address blocks: 21338
APNIC Region origin ASes present in the Internet Routing Table: 3045
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 479
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 313007540
Equivalent to 18 /8s, 168 /16s and 29 /24s
Percentage of available APNIC address space announced: 77.5
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: 110644
Total ARIN prefixes after maximum aggregation: 63408
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 81221
Unique aggregates announced from the ARIN address blocks: 31737
ARIN Region origin ASes present in the Internet Routing Table: 11786
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4502
ARIN Region transit ASes present in the Internet Routing Table: 1148
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 342760544
Equivalent to 20 /8s, 110 /16s and 28 /24s
Percentage of available ARIN address space announced: 75.7
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: 49943
Total RIPE prefixes after maximum aggregation: 31014
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 46368
Unique aggregates announced from the RIPE address blocks: 28375
RIPE Region origin ASes present in the Internet Routing Table: 10134
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 5363
RIPE Region transit ASes present in the Internet Routing Table: 1644
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 326985216
Equivalent to 19 /8s, 125 /16s and 102 /24s
Percentage of available RIPE address space announced: 75.0
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: 16476
Total LACNIC prefixes after maximum aggregation: 4415
LACNIC Deaggregation factor: 3.73
Prefixes being announced from the LACNIC address blocks: 14567
Unique aggregates announced from the LACNIC address blocks: 7805
LACNIC Region origin ASes present in the Internet Routing Table: 854
LACNIC Prefixes per ASN: 17.06
LACNIC Region origin ASes announcing only one prefix: 275
LACNIC Region transit ASes present in the Internet Routing Table: 146
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 42106880
Equivalent to 2 /8s, 130 /16s and 128 /24s
Percentage of available LACNIC address space announced: 62.7
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: 2806
Total AfriNIC prefixes after maximum aggregation: 1047
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2349
Unique aggregates announced from the AfriNIC address blocks: 1329
AfriNIC Region origin ASes present in the Internet Routing Table: 204
AfriNIC Prefixes per ASN: 11.51
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 7432704
Equivalent to 0 /8s, 113 /16s and 106 /24s
Percentage of available AfriNIC address space announced: 22.2
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 1337 11150 289 CHINANET-BACKBONE
4755 1330 383 73 Videsh Sanchar Nigam Ltd. Aut
9583 1130 108 14 Sify Limited
9498 994 532 66 BHARTI BT INTERNET LTD.
23577 924 34 793 Korea Telecom (ATM-MPLS)
4766 803 5441 319 Korea Telecom (KIX)
17488 795 52 54 Hathway IP Over Cable Interne
7545 730 159 119 TPG Internet Pty Ltd
1221 594 1951 437 Telstra Pty Ltd
18101 592 119 48 Reliance Infocom Ltd Internet
4812 548 968 97 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 474 767 107 CNCGROUP IP network: China169
9443 465 122 78 Primus Telecommunications
7474 456 216 270 SingTel Optus Pty Ltd
4538 442 2974 34 China Education and Research
9942 439 75 112 COMindico Australia
4802 432 116 156 Wantree Development
4837 366 5104 167 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1098 1103 106 Telenor Internet Access
702 490 1905 392 UUNET - Commercial IP service
24863 366 57 39 LINKdotNET AS number
9116 344 168 26 Goldenlines main autonomous s
8551 321 316 40 Bezeq International
3301 315 5296 294 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
6746 287 130 263 Dynamic Network Technologies,
1273 284 306 104 Cable & Wireless Deutschland
5089 279 1658 54 NTL Group Limited
680 265 2061 256 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 258 441 240 COLT Telecommunications
3352 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
1257 204 1195 169 SWIPnet Swedish IP Network
3300 202 172 96 AUCS Communications Services
2856 194 2319 154 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1485 6084 994 AT&T WorldNet Services
4323 1316 992 368 Time Warner Telecom
2386 1218 618 751 AT&T Data Communications Serv
6478 1141 323 150 AT&T Worldnet Services
11492 1136 110 12 Cable One
6197 1027 691 523 BellSouth Network Solutions,
18566 1020 288 9 Covad Communications
174 976 6780 863 Cogent Communications
701 936 6576 715 UUNET Technologies, Inc.
7011 922 278 554 Citizens Utilities
20115 816 748 435 Charter Communications
1239 801 2721 564 Sprint
19262 763 2726 182 Verizon Global Networks
22773 760 2148 49 Cox Communications, Inc.
209 743 3837 587 Qwest
577 707 813 202 Bell Advanced Communications
5668 650 174 24 CenturyTel Internet Holdings,
6517 590 165 38 Yipes Communications, Inc.
852 589 1095 362 Telus Advanced Communications
3356 578 10825 338 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1330 1257 Videsh Sanchar Nigam Ltd. Aut
11492 1136 1124 Cable One
9583 1130 1116 Sify Limited
4134 1337 1048 CHINANET-BACKBONE
18566 1020 1011 Covad Communications
2119 1098 992 Telenor Internet Access
6478 1141 991 AT&T Worldnet Services
4323 1316 948 Time Warner Telecom
9498 994 928 BHARTI BT INTERNET LTD.
17488 795 741 Hathway IP Over Cable Interne
8151 931 726 UniNet S.A. de C.V.
22773 760 711 Cox Communications, Inc.
5668 650 626 CenturyTel Internet Holdings,
7545 730 611 TPG Internet Pty Ltd
19262 763 581 Verizon Global Networks
6517 590 552 Yipes Communications, Inc.
18101 592 544 Reliance Infocom Ltd Internet
15270 569 531 PaeTec.net -a division of Pae
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
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
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
64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24410 UNALLOCATED 203.119.30.0/24 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 /8:19 /9:9 /10:15 /11:37 /12:134
/13:265 /14:474 /15:926 /16:9659 /17:4156 /18:6677
/19:14089 /20:16477 /21:15151 /22:19595 /23:20662 /24:122722
/25:1068 /26:1382 /27:590 /28:264 /29:185 /30:278
/31:5 /32:86
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1140 1141 AT&T Worldnet Services
11492 1127 1136 Cable One
18566 1002 1020 Covad Communications
2119 984 1098 Telenor Internet Access
9583 965 1130 Sify Limited
23577 915 924 Korea Telecom (ATM-MPLS)
2386 910 1218 AT&T Data Communications Serv
7011 818 922 Citizens Utilities
7018 818 1485 AT&T WorldNet Services
6197 782 1027 BellSouth Network Solutions,
4755 714 1330 Videsh Sanchar Nigam Ltd. Aut
9498 666 994 BHARTI BT INTERNET LTD.
17488 618 795 Hathway IP Over Cable Interne
4766 601 803 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 555 590 Yipes Communications, Inc.
4323 553 1316 Time Warner Telecom
15270 533 569 PaeTec.net -a division of Pae
5668 515 650 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1828 13:2 15:19
16:3 17:3 18:13 20:37 24:982 25:1
32:173 33:3 38:347 40:60 41:319 43:6
44:2 47:4 52:4 55:3 56:3 57:46
58:472 59:391 60:369 61:1022 62:998 63:2016
64:3216 65:2427 66:3420 67:796 68:655 69:1975
70:457 71:115 72:1397 73:2 74:644 75:302
76:128 77:297 78:43 80:844 81:837 82:721
83:390 84:610 85:859 86:341 87:483 88:286
89:968 90:25 91:505 97:5 116:322 117:144
118:1 121:269 122:593 123:166 124:671 125:991
128:276 129:215 130:139 131:364 132:55 133:9
134:197 135:34 136:190 137:85 138:149 139:122
140:497 141:173 142:397 143:255 144:299 145:46
146:328 147:122 148:412 149:143 150:112 151:159
152:92 153:122 154:4 155:263 156:161 157:214
158:158 159:171 160:113 161:99 162:176 163:181
164:485 165:396 166:285 167:298 168:513 169:121
170:389 171:22 172:2 189:70 190:997 192:5812
193:3999 194:3264 195:2381 196:1038 198:3905 199:3282
200:5141 201:1185 202:7453 203:7728 204:3964 205:1995
206:2484 207:2885 208:2817 209:3513 210:2483 211:1135
212:1355 213:1528 214:411 215:41 216:3990 217:1209
218:382 219:386 220:1036 221:418 222:264
End of report
