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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 11 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/2007/09/11
Analysis Summary
----------------
BGP routing table entries examined: 236065
Prefixes after maximum aggregation: 121334
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 112180
Total ASes present in the Internet Routing Table: 26216
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22753
Origin ASes announcing only one prefix: 11059
Transit ASes present in the Internet Routing Table: 3463
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN (16327) 25
Prefixes from unregistered ASNs in the Routing Table: 37
Unregistered ASNs in the Routing Table: 26
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: 1758411652
Equivalent to 104 /8s, 207 /16s and 59 /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: 125747
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56298
Total APNIC prefixes after maximum aggregation: 21144
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53125
Unique aggregates announced from the APNIC address blocks: 22543
APNIC Region origin ASes present in the Internet Routing Table: 3054
APNIC Prefixes per ASN: 17.40
APNIC Region origin ASes announcing only one prefix: 803
APNIC Region transit ASes present in the Internet Routing Table: 468
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 313596852
Equivalent to 18 /8s, 177 /16s and 27 /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: 110861
Total ARIN prefixes after maximum aggregation: 63501
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81416
Unique aggregates announced from the ARIN address blocks: 31945
ARIN Region origin ASes present in the Internet Routing Table: 11808
ARIN Prefixes per ASN: 6.89
ARIN Region origin ASes announcing only one prefix: 4497
ARIN Region transit ASes present in the Internet Routing Table: 1137
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 343690592
Equivalent to 20 /8s, 124 /16s and 77 /24s
Percentage of available ARIN address space announced: 75.9
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: 49245
Total RIPE prefixes after maximum aggregation: 31136
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45683
Unique aggregates announced from the RIPE address blocks: 29596
RIPE Region origin ASes present in the Internet Routing Table: 10192
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5409
RIPE Region transit ASes present in the Internet Routing Table: 1627
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 326916672
Equivalent to 19 /8s, 124 /16s and 90 /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: 16797
Total LACNIC prefixes after maximum aggregation: 4483
LACNIC Deaggregation factor: 3.75
Prefixes being announced from the LACNIC address blocks: 14888
Unique aggregates announced from the LACNIC address blocks: 7869
LACNIC Region origin ASes present in the Internet Routing Table: 864
LACNIC Prefixes per ASN: 17.23
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 152
Average LACNIC Region AS path length visible: 6.4
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 42222336
Equivalent to 2 /8s, 132 /16s and 67 /24s
Percentage of available LACNIC address space announced: 62.9
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: 1056
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 2368
Unique aggregates announced from the AfriNIC address blocks: 1330
AfriNIC Region origin ASes present in the Internet Routing Table: 209
AfriNIC Prefixes per ASN: 11.33
AfriNIC Region origin ASes announcing only one prefix: 70
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7455232
Equivalent to 0 /8s, 113 /16s and 194 /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 1941 2974 36 China Education and Research
4755 1354 383 70 Videsh Sanchar Nigam Ltd. Aut
9583 1114 80 418 Sify Limited
4134 1075 11220 292 CHINANET-BACKBONE
9498 999 532 63 BHARTI BT INTERNET LTD.
23577 928 34 797 Korea Telecom (ATM-MPLS)
4766 809 5441 320 Korea Telecom (KIX)
17488 795 52 61 Hathway IP Over Cable Interne
7545 726 159 119 TPG Internet Pty Ltd
18101 597 119 51 Reliance Infocom Ltd Internet
1221 587 1950 432 Telstra Pty Ltd
4812 549 974 95 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 483 778 115 CNCGROUP IP network: China169
9443 468 122 78 Primus Telecommunications
7474 452 216 267 SingTel Optus Pty Ltd
4802 440 117 154 Wantree Development
9942 438 74 111 COMindico Australia
17974 379 130 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
24863 366 57 39 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 349 168 26 Goldenlines main autonomous s
5089 322 1658 54 NTL Group Limited
3301 317 1457 296 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
6746 289 130 265 Dynamic Network Technologies,
1273 287 306 105 Cable & Wireless Deutschland
680 267 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 214 1441 24 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 202 172 96 AUCS Communications Services
3292 196 1379 176 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 1483 10178 994 AT&T WorldNet Services
4323 1316 990 366 Time Warner Telecom
2386 1211 621 743 AT&T Data Communications Serv
11492 1145 112 15 Cable One
6478 1135 326 164 AT&T Worldnet Services
6197 1033 718 508 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 970 6764 858 Cogent Communications
7011 921 278 550 Citizens Utilities
701 871 6573 676 UUNET Technologies, Inc.
20115 816 751 441 Charter Communications
1239 805 2727 566 Sprint
19262 771 2744 180 Verizon Global Networks
22773 766 2149 50 Cox Communications, Inc.
209 747 3835 587 Qwest
577 707 813 202 Bell Advanced Communications
5668 658 176 23 CenturyTel Internet Holdings,
3356 625 10812 354 Level 3 Communications, LLC
852 592 1096 364 Telus Advanced Communications
6517 591 165 35 Yipes Communications, Inc.
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1354 1284 Videsh Sanchar Nigam Ltd. Aut
11492 1145 1130 Cable One
18566 1023 1014 Covad Communications
6478 1135 971 AT&T Worldnet Services
4323 1316 950 Time Warner Telecom
9498 999 936 BHARTI BT INTERNET LTD.
4134 1075 783 CHINANET-BACKBONE
17488 795 734 Hathway IP Over Cable Interne
22773 766 716 Cox Communications, Inc.
9583 1114 696 Sify Limited
8151 891 678 UniNet S.A. de C.V.
5668 658 635 CenturyTel Internet Holdings,
7545 726 607 TPG Internet Pty Ltd
19262 771 591 Verizon Global Networks
6517 591 556 Yipes Communications, Inc.
18101 597 546 Reliance Infocom Ltd Internet
15270 575 537 PaeTec.net -a division of Pae
6197 1033 525 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
43218 UNALLOCATED 78.153.0.0/19 5563 JSV "Information Tec
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
42343 UNALLOCATED 91.150.0.0/18 16086 Finnet, Finland
43633 UNALLOCATED 91.195.90.0/23 35602 ZOL network communic
43139 UNALLOCATED 91.196.148.0/22 13307 RIPE Network Coordin
43553 UNALLOCATED 91.197.120.0/22 6849 JSC UKRTELECOM,
43658 UNALLOCATED 91.197.168.0/22 15772 W-NET Kiev
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65000 PRIVATE 192.108.148.0/24 8928 Interoute Telecommun
43410 UNALLOCATED 193.39.249.0/24 8402 Corbina telecom
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
43421 UNALLOCATED 194.33.17.0/24 8879 DTS-Online Autonomou
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
41243 UNALLOCATED 195.74.66.0/24 3301 TeliaNet Sweden
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
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 /11:37 /12:134
/13:266 /14:474 /15:930 /16:9672 /17:4154 /18:6687
/19:14095 /20:16735 /21:15266 /22:19652 /23:20568 /24:123906
/25:880 /26:1145 /27:597 /28:267 /29:193 /30:277
/31:6 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1137 1145 Cable One
6478 1134 1135 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 958 1114 Sify Limited
23577 919 928 Korea Telecom (ATM-MPLS)
4538 904 1941 China Education and Research
2386 903 1211 AT&T Data Communications Serv
7018 819 1483 AT&T WorldNet Services
7011 814 921 Citizens Utilities
6197 786 1033 BellSouth Network Solutions,
4755 739 1354 Videsh Sanchar Nigam Ltd. Aut
9498 673 999 BHARTI BT INTERNET LTD.
17488 618 795 Hathway IP Over Cable Interne
4766 607 809 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 556 591 Yipes Communications, Inc.
4323 552 1316 Time Warner Telecom
15270 539 575 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 8:88 12:1821 13:2 15:19
16:3 17:3 18:13 20:36 24:987 25:1
32:173 33:3 38:347 40:60 41:317 43:6
44:2 47:4 52:4 55:3 56:3 57:42
58:500 59:403 60:369 61:1025 62:993 63:2025
64:3224 65:2427 66:3427 67:811 68:663 69:1991
70:459 71:116 72:1415 73:1 74:649 75:304
76:131 77:338 78:54 79:3 80:844 81:832
82:595 83:369 84:622 85:809 86:340 87:483
88:286 89:989 90:24 91:540 96:1 97:6
98:2 116:312 117:181 118:17 121:275 122:606
123:176 124:673 125:989 128:270 129:215 130:139
131:365 132:55 133:9 134:197 135:34 136:189
137:85 138:153 139:106 140:502 141:174 142:401
143:255 144:301 145:46 146:331 147:125 148:412
149:151 150:112 151:159 152:91 153:119 154:4
155:262 156:161 157:219 158:157 159:173 160:116
161:98 162:176 163:182 164:486 165:398 166:287
167:300 168:515 169:122 170:386 171:22 172:2
189:73 190:1087 192:5796 193:4015 194:3264 195:2389
196:1024 198:3908 199:3228 200:5274 201:1182 202:7783
203:7746 204:3964 205:1973 206:2479 207:2967 208:2831
209:3522 210:2772 211:1214 212:1346 213:1508 214:413
215:41 216:4001 217:1204 218:396 219:450 220:1030
221:414 222:305
End of report
