Routing Table Report 00:00 GMT Tue 29 May, 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/2007/05/29
Analysis Summary
----------------
BGP routing table entries examined: 231700
Prefixes after maximum aggregation: 119848
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 106614
Total ASes present in the Internet Routing Table: 25394
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 21947
Origin ASes announcing only one prefix: 10671
Transit ASes present in the Internet Routing Table: 3447
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 43
Unregistered ASNs in the Routing Table: 27
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1724200716
Equivalent to 102 /8s, 197 /16s and 55 /24s
Percentage of available address space announced: 46.5
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 124115
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52436
Total APNIC prefixes after maximum aggregation: 20216
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 49302
Unique aggregates announced from the APNIC address blocks: 20299
APNIC Region origin ASes present in the Internet Routing Table: 2969
APNIC Prefixes per ASN: 16.61
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 463
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 295760956
Equivalent to 17 /8s, 160 /16s and 244 /24s
Percentage of available APNIC address space announced: 73.3
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: 113689
Total ARIN prefixes after maximum aggregation: 63719
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 84874
Unique aggregates announced from the ARIN address blocks: 30828
ARIN Region origin ASes present in the Internet Routing Table: 11623
ARIN Prefixes per ASN: 7.30
ARIN Region origin ASes announcing only one prefix: 4470
ARIN Region transit ASes present in the Internet Routing Table: 1128
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 334358496
Equivalent to 19 /8s, 237 /16s and 231 /24s
Percentage of available ARIN address space announced: 73.8
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: 47474
Total RIPE prefixes after maximum aggregation: 30684
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 44069
Unique aggregates announced from the RIPE address blocks: 28304
RIPE Region origin ASes present in the Internet Routing Table: 9721
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5097
RIPE Region transit ASes present in the Internet Routing Table: 1626
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 37
Number of RIPE addresses announced to Internet: 307226432
Equivalent to 18 /8s, 79 /16s and 231 /24s
Percentage of available RIPE address space announced: 76.3
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, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15367
Total LACNIC prefixes after maximum aggregation: 4187
LACNIC Deaggregation factor: 3.67
Prefixes being announced from the LACNIC address blocks: 13458
Unique aggregates announced from the LACNIC address blocks: 7323
LACNIC Region origin ASes present in the Internet Routing Table: 801
LACNIC Prefixes per ASN: 16.80
LACNIC Region origin ASes announcing only one prefix: 260
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 38960896
Equivalent to 2 /8s, 82 /16s and 127 /24s
Percentage of available LACNIC address space announced: 58.1
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: 2686
Total AfriNIC prefixes after maximum aggregation: 1030
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2052
Unique aggregates announced from the AfriNIC address blocks: 1190
AfriNIC Region origin ASes present in the Internet Routing Table: 191
AfriNIC Prefixes per ASN: 10.74
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6127616
Equivalent to 0 /8s, 93 /16s and 128 /24s
Percentage of available AfriNIC address space announced: 18.3
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 1286 9959 279 CHINANET-BACKBONE
4755 1223 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1117 108 17 Sify Limited
9498 986 469 71 BHARTI BT INTERNET LTD.
23577 925 35 819 Korea Telecom (ATM-MPLS)
4766 783 4943 312 Korea Telecom (KIX)
17488 694 45 38 Hathway IP Over Cable Interne
7545 647 142 79 TPG Internet Pty Ltd
1221 597 1954 438 Telstra Pty Ltd
18101 546 116 36 Reliance Infocom Ltd Internet
4668 506 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 482 218 270 SingTel Optus Pty Ltd
9443 465 120 77 Primus Telecommunications
4812 457 820 74 China Telecom (Shanghai)
9942 442 77 115 COMindico Australia
4802 412 86 149 Wantree Development
2907 365 1732 305 SINET Japan
9829 362 258 14 BSNL National Internet Backbo
17557 354 37 169 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 955 928 654 Telenor Internet Access
702 515 1923 408 UUNET - Commercial IP service
24863 345 47 31 LINKdotNET AS number
5089 338 1658 53 NTL Group Limited
3301 309 1455 289 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
6746 280 128 255 Dynamic Network Technologies,
680 260 2044 251 DFN-IP service G-WiN
8220 253 456 243 COLT Telecommunications
3215 246 2279 94 France Telecom Transpac
1257 241 1196 174 SWIPnet Swedish IP Network
8708 233 288 228 Romania Data Systems S.A.
3269 215 2631 73 TELECOM ITALIA
8551 208 197 27 Bezeq International
3352 205 1799 36 Ibernet, Internet Access Netw
3246 204 334 191 Song Networks
9116 197 136 25 Goldenlines main autonomous s
3300 189 171 91 AUCS Communications Services
2856 187 2318 146 BTnet UK Regional network
12479 184 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5013 6613 731 UUNET Technologies, Inc.
7018 1507 10216 992 AT&T WorldNet Services
4323 1265 1032 362 Time Warner Telecom
2386 1152 596 757 AT&T Data Communications Serv
11492 1074 104 22 Cable One
6197 1040 706 508 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
6478 999 315 323 AT&T Worldnet Services
174 947 6744 856 Cogent Communications
705 841 492 377 UUNET Technologies, Inc.
1239 822 2740 581 Sprint
20115 807 724 428 Charter Communications
7011 799 227 476 Citizens Utilities
19262 773 2661 206 Verizon Global Networks
7046 759 262 635 UUNET Technologies, Inc.
209 743 3820 581 Qwest
22773 722 1892 44 Cox Communications, Inc.
577 650 793 205 Bell Advanced Communications
852 603 1074 370 Telus Advanced Communications
5668 598 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1223 1153 Videsh Sanchar Nigam Ltd. Aut
9583 1117 1100 Sify Limited
8151 1301 1098 UniNet S.A. de C.V.
11492 1074 1052 Cable One
4134 1286 1007 CHINANET-BACKBONE
18566 1010 1001 Covad Communications
9498 986 915 BHARTI BT INTERNET LTD.
4323 1265 903 Time Warner Telecom
22773 722 678 Cox Communications, Inc.
6478 999 676 AT&T Worldnet Services
17488 694 656 Hathway IP Over Cable Interne
5668 598 581 CenturyTel Internet Holdings,
7545 647 568 TPG Internet Pty Ltd
19262 773 567 Verizon Global Networks
6197 1040 532 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1507 515 AT&T WorldNet Services
18101 546 510 Reliance Infocom Ltd Internet
7029 583 506 Alltel Information Services,
15270 541 506 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
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.
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
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
65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc.
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.11.12.0/24 65534 *
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 /10:14 /11:35 /12:126
/13:249 /14:454 /15:879 /16:9452 /17:3954 /18:6487
/19:13633 /20:15759 /21:14224 /22:18793 /23:20247 /24:123597
/25:1000 /26:1133 /27:566 /28:261 /29:193 /30:483
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3760 5013 UUNET Technologies, Inc.
11492 1060 1074 Cable One
18566 992 1010 Covad Communications
6478 990 999 AT&T Worldnet Services
9583 947 1117 Sify Limited
23577 911 925 Korea Telecom (ATM-MPLS)
2119 855 955 Telenor Internet Access
2386 848 1152 AT&T Data Communications Serv
7018 812 1507 AT&T WorldNet Services
6197 795 1040 BellSouth Network Solutions,
8151 702 1301 UniNet S.A. de C.V.
7011 700 799 Citizens Utilities
9498 655 986 BHARTI BT INTERNET LTD.
4755 621 1223 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
705 547 841 UUNET Technologies, Inc.
7046 533 759 UUNET Technologies, Inc.
4323 524 1265 Time Warner Telecom
17488 515 694 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:79 9:1 10:1 12:1817
15:19 16:3 17:3 18:8 20:38 24:947
25:1 32:173 33:2 38:312 40:61 41:141
43:6 44:2 47:5 52:4 55:3 56:3
57:50 58:412 59:392 60:303 61:963 62:949
63:3388 64:3244 65:3724 66:3391 67:826 68:641
69:1857 70:520 71:105 72:1322 73:1 74:486
75:263 76:62 77:203 78:2 80:827 81:789
82:704 83:416 84:421 85:814 86:343 87:445
88:274 89:869 90:7 91:318 97:6 116:83
121:194 122:534 123:107 124:820 125:935 128:282
129:224 130:129 131:366 132:52 133:9 134:192
135:38 136:186 137:85 138:140 139:122 140:482
141:171 142:392 143:234 144:294 145:43 146:322
147:121 148:398 149:147 150:115 151:159 152:94
153:124 154:5 155:254 156:152 157:188 158:158
159:158 160:103 161:94 162:235 163:185 164:460
165:407 166:240 167:283 168:501 169:120 170:400
171:16 172:1 189:547 190:633 192:5822 193:3880
194:3169 195:2307 196:998 198:3856 199:3364 200:4805
201:1035 202:7395 203:7630 204:4112 205:2185 206:2579
207:3115 208:3357 209:3712 210:2482 211:1009 212:1366
213:1510 214:407 215:40 216:4206 217:1161 218:378
219:381 220:959 221:404 222:263
End of report