Routing Table Report 00:00 GMT Sat 03 Nov, 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/2007/11/03
Analysis Summary
----------------
BGP routing table entries examined: 244600
Prefixes after maximum aggregation: 122811
Deaggregation factor: 1.99
Unique aggregates announced to Internet: 114498
Total ASes present in the Internet Routing Table: 26690
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 23147
Origin ASes announcing only one prefix: 11295
Transit ASes present in the Internet Routing Table: 3543
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 18
Prefixes from unregistered ASNs in the Routing Table: 39
Unregistered ASNs in the Routing Table: 19
Prefixes from 32-bit ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1789154468
Equivalent to 106 /8s, 164 /16s and 84 /24s
Percentage of available address space announced: 48.3
Percentage of allocated address space announced: 61.7
Percentage of available address space allocated: 78.2
Total number of prefixes smaller than registry allocations: 114391
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59254
Total APNIC prefixes after maximum aggregation: 20949
APNIC Deaggregation factor: 2.83
Prefixes being announced from the APNIC address blocks: 56047
Unique aggregates announced from the APNIC address blocks: 22070
APNIC Region origin ASes present in the Internet Routing Table: 3086
APNIC Prefixes per ASN: 18.16
APNIC Region origin ASes announcing only one prefix: 797
APNIC Region transit ASes present in the Internet Routing Table: 475
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 324027572
Equivalent to 19 /8s, 80 /16s and 68 /24s
Percentage of available APNIC address space announced: 74.1
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, 114/7, 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: 113479
Total ARIN prefixes after maximum aggregation: 64210
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 83846
Unique aggregates announced from the ARIN address blocks: 32618
ARIN Region origin ASes present in the Internet Routing Table: 11968
ARIN Prefixes per ASN: 7.01
ARIN Region origin ASes announcing only one prefix: 4610
ARIN Region transit ASes present in the Internet Routing Table: 1160
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 352162976
Equivalent to 20 /8s, 253 /16s and 148 /24s
Percentage of available ARIN address space announced: 77.7
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: 50464
Total RIPE prefixes after maximum aggregation: 31929
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 47381
Unique aggregates announced from the RIPE address blocks: 30585
RIPE Region origin ASes present in the Internet Routing Table: 10470
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5543
RIPE Region transit ASes present in the Internet Routing Table: 1668
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 335705120
Equivalent to 20 /8s, 2 /16s and 116 /24s
Percentage of available RIPE address space announced: 77.0
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
40960-45055
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: 17997
Total LACNIC prefixes after maximum aggregation: 4600
LACNIC Deaggregation factor: 3.91
Prefixes being announced from the LACNIC address blocks: 15713
Unique aggregates announced from the LACNIC address blocks: 8740
LACNIC Region origin ASes present in the Internet Routing Table: 870
LACNIC Prefixes per ASN: 18.06
LACNIC Region origin ASes announcing only one prefix: 274
LACNIC Region transit ASes present in the Internet Routing Table: 155
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 45857792
Equivalent to 2 /8s, 187 /16s and 188 /24s
Percentage of available LACNIC address space announced: 45.6
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 3358
Total AfriNIC prefixes after maximum aggregation: 1105
AfriNIC Deaggregation factor: 3.04
Prefixes being announced from the AfriNIC address blocks: 2451
Unique aggregates announced from the AfriNIC address blocks: 1404
AfriNIC Region origin ASes present in the Internet Routing Table: 213
AfriNIC Prefixes per ASN: 11.51
AfriNIC Region origin ASes announcing only one prefix: 71
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7633920
Equivalent to 0 /8s, 116 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 22.8
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
4538 2773 2974 36 China Education and Research
4134 1722 11560 302 CHINANET-BACKBONE
4755 1435 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1107 108 15 Sify Limited
9498 1036 549 64 BHARTI BT INTERNET LTD.
23577 907 34 785 Korea Telecom (ATM-MPLS)
17488 874 57 69 Hathway IP Over Cable Interne
4766 815 5473 327 Korea Telecom (KIX)
7545 724 159 122 TPG Internet Pty Ltd
18101 609 119 53 Reliance Infocom Ltd Internet
1221 593 1951 437 Telstra Pty Ltd
9829 530 1312 9 BSNL National Internet Backbo
4812 524 866 77 China Telecom (Shanghai)
4668 520 68 10 LG-EDS Systems Inc.
17676 504 10919 64 Softbank BB Corp.
4808 497 794 120 CNCGROUP IP network: China169
4802 486 133 140 Wantree Development
7474 456 202 267 SingTel Optus Pty Ltd
9443 442 121 73 Primus Telecommunications
9942 424 76 113 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 468 1901 382 UUNET - Commercial IP service
8551 349 334 33 Bezeq International
9116 334 168 28 Goldenlines main autonomous s
3320 317 6036 263 Deutsche Telekom AG
3301 316 1441 293 TeliaNet Sweden
1273 283 307 107 Cable & Wireless Deutschland
6746 273 129 251 Dynamic Network Technologies,
8708 273 421 244 Romania Data Systems S.A.
680 268 2045 254 DFN-IP service G-WiN
8866 268 62 25 Bulgarian Telecommunication C
3215 263 2503 98 France Telecom Transpac
8220 252 443 234 COLT Telecommunications
8452 245 188 7 TEDATA
5089 236 1658 54 NTL Group Limited
3352 235 1932 41 Ibernet, Internet Access Netw
3269 227 2934 74 TELECOM ITALIA
3300 222 172 98 AUCS Communications Services
9121 213 1442 25 TTnet Autonomous System
1257 205 1178 175 SWIPnet Swedish IP Network
3246 196 257 184 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1521 10219 1016 AT&T WorldNet Services
4323 1361 1012 361 Time Warner Telecom
2386 1251 630 762 AT&T Data Communications Serv
11492 1162 119 49 Cable One
6478 1121 329 184 AT&T Worldnet Services
6197 1029 718 508 BellSouth Network Solutions,
18566 1029 288 9 Covad Communications
7011 979 290 562 Citizens Utilities
174 968 6817 832 Cogent Communications
577 934 844 211 Bell Advanced Communications
701 889 6566 696 UUNET Technologies, Inc.
20115 845 772 458 Charter Communications
3561 808 2341 376 Savvis
22773 802 2133 54 Cox Communications, Inc.
19262 795 2845 180 Verizon Global Networks
3356 783 10853 400 Level 3 Communications, LLC
1239 776 2680 541 Sprint
209 703 3757 546 Qwest
5668 663 176 17 CenturyTel Internet Holdings,
15270 607 161 40 PaeTec.net -a division of Pae
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1722 1420 CHINANET-BACKBONE
4755 1435 1368 Videsh Sanchar Nigam Ltd. Aut
11492 1162 1113 Cable One
9583 1107 1092 Sify Limited
18566 1029 1020 Covad Communications
4323 1361 1000 Time Warner Telecom
9498 1036 972 BHARTI BT INTERNET LTD.
6478 1121 937 AT&T Worldnet Services
8151 1130 921 UniNet S.A. de C.V.
17488 874 805 Hathway IP Over Cable Interne
22773 802 748 Cox Communications, Inc.
577 934 723 Bell Advanced Communications
5668 663 646 CenturyTel Internet Holdings,
19262 795 615 Verizon Global Networks
7545 724 602 TPG Internet Pty Ltd
15270 607 567 PaeTec.net -a division of Pae
18101 609 556 Reliance Infocom Ltd Internet
6517 586 552 Yipes Communications, Inc.
19916 569 522 OLM LLC
6197 1029 521 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65075 PRIVATE 65.127.220.0/23 10886 University of Maryla
65500 PRIVATE 68.87.20.0/24 36733 Comcast Cable Commun
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65500 PRIVATE 192.239.84.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 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
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw
65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw
65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw
65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw
65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.120/30 292 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
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
65300 PRIVATE 216.243.221.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.222.0/24 11320 Internet Express, In
65300 PRIVATE 216.243.223.0/24 11320 Internet Express, In
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
172.31.46.0/24 38416 KRNIC
192.0.2.0/24 2854 RoSprint AS (Global One Russi
192.168.253.0/24 4323 Time Warner Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
172.14.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
172.15.254.0/24 20312 CNTI-REACCIUN "Centro Naciona
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 /10:16 /11:39 /12:136
/13:276 /14:489 /15:962 /16:9821 /17:4286 /18:6878
/19:15014 /20:17769 /21:15974 /22:20609 /23:21398 /24:127283
/25:937 /26:1132 /27:618 /28:282 /29:236 /30:345
/31:0 /32:73
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1153 1162 Cable One
6478 1120 1121 AT&T Worldnet Services
18566 1011 1029 Covad Communications
9583 945 1107 Sify Limited
2386 941 1251 AT&T Data Communications Serv
4538 932 2773 China Education and Research
23577 898 907 Korea Telecom (ATM-MPLS)
7011 866 979 Citizens Utilities
7018 839 1521 AT&T WorldNet Services
4755 818 1435 Videsh Sanchar Nigam Ltd. Aut
6197 773 1029 BellSouth Network Solutions,
9498 721 1036 BHARTI BT INTERNET LTD.
577 693 934 Bell Advanced Communications
17488 689 874 Hathway IP Over Cable Interne
4766 606 815 Korea Telecom (KIX)
4323 574 1361 Time Warner Telecom
15270 569 607 PaeTec.net -a division of Pae
19916 564 569 OLM LLC
4134 544 1722 CHINANET-BACKBONE
6517 541 586 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:90 12:1816 13:1 15:19 16:3
17:6 18:13 20:35 24:1028 32:174 33:3
38:358 40:64 41:382 43:6 44:2 47:8
52:3 55:3 56:3 57:43 58:515 59:428
60:385 61:1036 62:993 63:2003 64:3389 65:2434
66:3650 67:857 68:692 69:2011 70:481 71:120
72:1422 73:8 74:750 75:320 76:160 77:416
78:265 79:10 80:872 81:829 82:598 83:358
84:646 85:817 86:413 87:586 88:283 89:1019
90:38 91:717 92:5 96:1 97:6 98:12
116:423 117:209 118:42 121:338 122:637 123:205
124:703 125:1116 128:307 129:196 130:139 131:368
132:60 133:9 134:194 135:34 136:189 137:86
138:156 139:105 140:515 141:145 142:372 143:256
144:316 145:46 146:326 147:130 148:530 149:186
150:169 151:137 152:94 153:121 154:12 155:261
156:164 157:225 158:159 159:193 160:141 161:100
162:190 163:183 164:505 165:400 166:302 167:308
168:514 169:128 170:415 171:22 172:6 189:103
190:1209 192:5751 193:4023 194:3284 195:2553 196:994
198:3873 199:3226 200:5248 201:1235 202:7912 203:7864
204:3991 205:1999 206:2444 207:2828 208:2946 209:3640
210:2821 211:1205 212:1328 213:1545 214:430 215:43
216:4185 217:1213 218:428 219:454 220:1016 221:442
222:349
End of report