Routing Table Report 00:00 GMT Fri 14 Sep, 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/2007/09/14
Analysis Summary
----------------
BGP routing table entries examined: 236817
Prefixes after maximum aggregation: 121358
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 112258
Total ASes present in the Internet Routing Table: 26241
Prefixes per ASN: 9.02
Origin-only ASes present in the Internet Routing Table: 22761
Origin ASes announcing only one prefix: 11071
Transit ASes present in the Internet Routing Table: 3480
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 28
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 47
Unregistered ASNs in the Routing Table: 25
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: 12
Number of addresses announced to Internet: 1776747972
Equivalent to 105 /8s, 231 /16s and 5 /24s
Percentage of available address space announced: 47.9
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 126486
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56327
Total APNIC prefixes after maximum aggregation: 21145
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53165
Unique aggregates announced from the APNIC address blocks: 22531
APNIC Region origin ASes present in the Internet Routing Table: 3052
APNIC Prefixes per ASN: 17.42
APNIC Region origin ASes announcing only one prefix: 803
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC addresses announced to Internet: 313695156
Equivalent to 18 /8s, 178 /16s and 155 /24s
Percentage of available APNIC address space announced: 77.7
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: 110975
Total ARIN prefixes after maximum aggregation: 63514
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81524
Unique aggregates announced from the ARIN address blocks: 31964
ARIN Region origin ASes present in the Internet Routing Table: 11819
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4501
ARIN Region transit ASes present in the Internet Routing Table: 1154
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 345127584
Equivalent to 20 /8s, 146 /16s and 58 /24s
Percentage of available ARIN address space announced: 76.2
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: 49790
Total RIPE prefixes after maximum aggregation: 31161
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 46227
Unique aggregates announced from the RIPE address blocks: 29648
RIPE Region origin ASes present in the Internet Routing Table: 10218
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5421
RIPE Region transit ASes present in the Internet Routing Table: 1622
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 326835008
Equivalent to 19 /8s, 123 /16s and 27 /24s
Percentage of available RIPE address space announced: 74.9
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: 16852
Total LACNIC prefixes after maximum aggregation: 4469
LACNIC Deaggregation factor: 3.77
Prefixes being announced from the LACNIC address blocks: 14935
Unique aggregates announced from the LACNIC address blocks: 7883
LACNIC Region origin ASes present in the Internet Routing Table: 866
LACNIC Prefixes per ASN: 17.25
LACNIC Region origin ASes announcing only one prefix: 279
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 42330368
Equivalent to 2 /8s, 133 /16s and 233 /24s
Percentage of available LACNIC address space announced: 63.1
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: 2830
Total AfriNIC prefixes after maximum aggregation: 1055
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2362
Unique aggregates announced from the AfriNIC address blocks: 1335
AfriNIC Region origin ASes present in the Internet Routing Table: 205
AfriNIC Prefixes per ASN: 11.52
AfriNIC Region origin ASes announcing only one prefix: 67
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC addresses announced to Internet: 7462144
Equivalent to 0 /8s, 113 /16s and 221 /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
4538 1943 2974 36 China Education and Research
4755 1409 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1118 80 409 Sify Limited
4134 1077 11228 293 CHINANET-BACKBONE
9498 998 532 63 BHARTI BT INTERNET LTD.
23577 929 34 796 Korea Telecom (ATM-MPLS)
4766 809 5441 321 Korea Telecom (KIX)
17488 800 52 56 Hathway IP Over Cable Interne
7545 712 159 113 TPG Internet Pty Ltd
18101 597 119 51 Reliance Infocom Ltd Internet
1221 588 1950 433 Telstra Pty Ltd
4812 548 978 96 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 495 797 119 CNCGROUP IP network: China169
9443 468 122 78 Primus Telecommunications
7474 456 216 268 SingTel Optus Pty Ltd
4802 440 117 154 Wantree Development
9942 428 74 111 COMindico Australia
17974 382 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 494 1923 396 UUNET - Commercial IP service
8764 488 200 41 LIETUVOS-TELEKOMAS Autonomous
24863 366 57 39 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 349 168 26 Goldenlines main autonomous s
5089 323 1658 54 NTL Group Limited
3301 318 1457 296 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
6746 289 130 265 Dynamic Network Technologies,
1273 284 306 105 Cable & Wireless Deutschland
680 269 2045 257 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 257 444 239 COLT Telecommunications
3352 229 1866 39 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 211 1441 24 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 203 172 99 AUCS Communications Services
3292 196 1379 176 TDC Tele Danmark
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1479 10225 993 AT&T WorldNet Services
4323 1321 990 370 Time Warner Telecom
2386 1220 636 734 AT&T Data Communications Serv
11492 1144 112 15 Cable One
6478 1135 326 164 AT&T Worldnet Services
6197 1032 717 510 BellSouth Network Solutions,
18566 1024 288 9 Covad Communications
174 976 6780 861 Cogent Communications
7011 921 279 549 Citizens Utilities
701 872 6573 677 UUNET Technologies, Inc.
20115 821 753 440 Charter Communications
1239 805 2728 565 Sprint
19262 775 2745 185 Verizon Global Networks
22773 772 2149 50 Cox Communications, Inc.
209 762 3821 601 Qwest
577 707 813 203 Bell Advanced Communications
5668 658 176 23 CenturyTel Internet Holdings,
3356 641 10817 360 Level 3 Communications, LLC
852 591 1096 363 Telus Advanced Communications
6517 590 165 34 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1409 1339 Videsh Sanchar Nigam Ltd. Aut
11492 1144 1129 Cable One
18566 1024 1015 Covad Communications
6478 1135 971 AT&T Worldnet Services
4323 1321 951 Time Warner Telecom
9498 998 935 BHARTI BT INTERNET LTD.
4134 1077 784 CHINANET-BACKBONE
17488 800 744 Hathway IP Over Cable Interne
22773 772 722 Cox Communications, Inc.
9583 1118 709 Sify Limited
8151 897 691 UniNet S.A. de C.V.
5668 658 635 CenturyTel Internet Holdings,
7545 712 599 TPG Internet Pty Ltd
19262 775 590 Verizon Global Networks
6517 590 556 Yipes Communications, Inc.
18101 597 546 Reliance Infocom Ltd Internet
15270 576 538 PaeTec.net -a division of Pae
6197 1032 522 BellSouth Network Solutions,
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
43460 UNALLOCATED 77.75.64.0/24 39180 SARL MWSP
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
43200 UNALLOCATED 81.26.32.0/19 15659 NEXTGENTEL Autonomou
43200 UNALLOCATED 85.89.192.0/19 15659 NEXTGENTEL Autonomou
43408 UNALLOCATED 87.238.207.0/24 31742 Sotaconnect UK
42789 UNALLOCATED 91.150.224.0/19 16095 Jay.net autonomous S
43618 UNALLOCATED 91.195.74.0/23 43576 LTD "KuMIR TELECOM"
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65000 PRIVATE 192.108.148.0/24 8928 Interoute Telecommun
42789 UNALLOCATED 193.33.190.0/23 16095 Jay.net autonomous S
43200 UNALLOCATED 193.161.232.0/22 15659 NEXTGENTEL Autonomou
43200 UNALLOCATED 193.161.252.0/24 15659 NEXTGENTEL Autonomou
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
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
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 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
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
43311 UNALLOCATED 195.248.250.0/23 174 Cogent Communication
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
64586 PRIVATE 202.165.137.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.142.0/24 4845 Chung Hsiao East Roa
64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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
101.13.13.0/24 8764 LIETUVOS-TELEKOMAS Autonomous
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 /12:135
/13:267 /14:474 /15:931 /16:9678 /17:4157 /18:6696
/19:14107 /20:16762 /21:15304 /22:19683 /23:20645 /24:124479
/25:867 /26:1133 /27:599 /28:264 /29:196 /30:273
/31:6 /32:81
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1136 1144 Cable One
6478 1134 1135 AT&T Worldnet Services
18566 1006 1024 Covad Communications
9583 960 1118 Sify Limited
23577 920 929 Korea Telecom (ATM-MPLS)
2386 911 1220 AT&T Data Communications Serv
4538 906 1943 China Education and Research
7018 822 1479 AT&T WorldNet Services
7011 813 921 Citizens Utilities
4755 788 1409 Videsh Sanchar Nigam Ltd. Aut
6197 785 1032 BellSouth Network Solutions,
9498 673 998 BHARTI BT INTERNET LTD.
17488 623 800 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 556 590 Yipes Communications, Inc.
4323 553 1321 Time Warner Telecom
15270 540 576 PaeTec.net -a division of Pae
5668 523 658 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:81 12:1822 13:2 15:20
16:3 17:3 18:13 20:36 24:986 25:1
32:177 33:3 38:348 40:60 41:322 43:6
44:2 47:4 52:4 55:3 56:3 57:42
58:499 59:422 60:369 61:1006 62:981 63:2025
64:3231 65:2433 66:3425 67:815 68:677 69:2007
70:461 71:116 72:1414 73:4 74:661 75:305
76:127 77:347 78:401 79:3 80:849 81:871
82:633 83:366 84:630 85:842 86:333 87:517
88:298 89:970 90:24 91:550 96:1 97:6
98:2 101:1 116:314 117:171 118:19 121:290
122:606 123:175 124:671 125:989 128:271 129:213
130:139 131:365 132:55 133:9 134:197 135:34
136:188 137:86 138:154 139:107 140:504 141:173
142:402 143:255 144:305 145:46 146:331 147:124
148:415 149:150 150:112 151:159 152:91 153:119
154:4 155:263 156:161 157:219 158:158 159:173
160:118 161:98 162:177 163:183 164:490 165:400
166:296 167:298 168:516 169:122 170:389 171:22
172:2 189:73 190:1104 192:5771 193:4017 194:3269
195:2386 196:1017 198:3908 199:3226 200:5284 201:1194
202:7788 203:7750 204:3953 205:1983 206:2482 207:2929
208:2849 209:3494 210:2781 211:1218 212:1335 213:1517
214:420 215:44 216:3996 217:1209 218:390 219:452
220:1019 221:415 222:306
End of report