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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 04 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/2007/09/04
Analysis Summary
----------------
BGP routing table entries examined: 235497
Prefixes after maximum aggregation: 120837
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 111130
Total ASes present in the Internet Routing Table: 26157
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22746
Origin ASes announcing only one prefix: 11045
Transit ASes present in the Internet Routing Table: 3411
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 32
Max AS path prepend of ASN (16327) 25
Prefixes from unregistered ASNs in the Routing Table: 39
Unregistered ASNs in the Routing Table: 21
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: 1756984716
Equivalent to 104 /8s, 185 /16s and 117 /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: 125322
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56188
Total APNIC prefixes after maximum aggregation: 20857
APNIC Deaggregation factor: 2.69
Prefixes being announced from the APNIC address blocks: 53019
Unique aggregates announced from the APNIC address blocks: 21558
APNIC Region origin ASes present in the Internet Routing Table: 3055
APNIC Prefixes per ASN: 17.35
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 460
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 313559484
Equivalent to 18 /8s, 176 /16s and 137 /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: 110726
Total ARIN prefixes after maximum aggregation: 63381
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81357
Unique aggregates announced from the ARIN address blocks: 31881
ARIN Region origin ASes present in the Internet Routing Table: 11782
ARIN Prefixes per ASN: 6.91
ARIN Region origin ASes announcing only one prefix: 4498
ARIN Region transit ASes present in the Internet Routing Table: 1114
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 343178848
Equivalent to 20 /8s, 116 /16s and 126 /24s
Percentage of available ARIN address space announced: 75.8
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: 49169
Total RIPE prefixes after maximum aggregation: 31113
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45612
Unique aggregates announced from the RIPE address blocks: 29641
RIPE Region origin ASes present in the Internet Routing Table: 10173
RIPE Prefixes per ASN: 4.48
RIPE Region origin ASes announcing only one prefix: 5398
RIPE Region transit ASes present in the Internet Routing Table: 1619
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 326238784
Equivalent to 19 /8s, 114 /16s and 2 /24s
Percentage of available RIPE address space announced: 74.8
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: 16532
Total LACNIC prefixes after maximum aggregation: 4424
LACNIC Deaggregation factor: 3.74
Prefixes being announced from the LACNIC address blocks: 14638
Unique aggregates announced from the LACNIC address blocks: 7825
LACNIC Region origin ASes present in the Internet Routing Table: 860
LACNIC Prefixes per ASN: 17.02
LACNIC Region origin ASes announcing only one prefix: 276
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 42196224
Equivalent to 2 /8s, 131 /16s and 221 /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: 2837
Total AfriNIC prefixes after maximum aggregation: 1048
AfriNIC Deaggregation factor: 2.71
Prefixes being announced from the AfriNIC address blocks: 2368
Unique aggregates announced from the AfriNIC address blocks: 1339
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 11.50
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: 4.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7470592
Equivalent to 0 /8s, 113 /16s and 254 /24s
Percentage of available AfriNIC address space announced: 22.3
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
4538 1937 2974 36 China Education and Research
4755 1343 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1132 100 104 Sify Limited
4134 1072 11194 290 CHINANET-BACKBONE
9498 997 532 64 BHARTI BT INTERNET LTD.
23577 924 34 792 Korea Telecom (ATM-MPLS)
4766 805 5441 321 Korea Telecom (KIX)
17488 795 52 61 Hathway IP Over Cable Interne
7545 732 159 119 TPG Internet Pty Ltd
18101 596 119 52 Reliance Infocom Ltd Internet
1221 592 1951 437 Telstra Pty Ltd
4812 548 968 97 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 481 778 114 CNCGROUP IP network: China169
9443 466 122 78 Primus Telecommunications
7474 453 216 268 SingTel Optus Pty Ltd
4802 441 117 154 Wantree Development
9942 438 74 111 COMindico Australia
17974 373 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 492 1923 394 UUNET - Commercial IP service
24863 366 57 39 LINKdotNET AS number
9116 355 168 26 Goldenlines main autonomous s
5089 325 1658 54 NTL Group Limited
8551 321 316 40 Bezeq International
3301 314 1456 294 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
1273 288 306 105 Cable & Wireless Deutschland
6746 288 130 264 Dynamic Network Technologies,
680 269 2045 257 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
8220 261 445 243 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
3352 227 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 201 172 95 AUCS Communications Services
3292 195 1379 175 TDC Tele Danmark
2856 192 2316 152 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1485 10178 995 AT&T WorldNet Services
4323 1320 992 373 Time Warner Telecom
2386 1214 618 747 AT&T Data Communications Serv
11492 1136 110 11 Cable One
6478 1134 325 169 AT&T Worldnet Services
6197 1030 718 508 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 972 6780 860 Cogent Communications
701 936 6577 714 UUNET Technologies, Inc.
7011 919 278 549 Citizens Utilities
20115 817 751 436 Charter Communications
1239 807 2727 566 Sprint
19262 767 2744 176 Verizon Global Networks
22773 762 2149 50 Cox Communications, Inc.
209 741 3837 586 Qwest
577 706 813 202 Bell Advanced Communications
5668 657 176 23 CenturyTel Internet Holdings,
3356 596 10812 345 Level 3 Communications, LLC
6517 596 165 38 Yipes Communications, Inc.
852 588 1095 362 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1343 1272 Videsh Sanchar Nigam Ltd. Aut
11492 1136 1125 Cable One
9583 1132 1028 Sify Limited
18566 1023 1014 Covad Communications
6478 1134 965 AT&T Worldnet Services
4323 1320 947 Time Warner Telecom
9498 997 933 BHARTI BT INTERNET LTD.
4134 1072 782 CHINANET-BACKBONE
17488 795 734 Hathway IP Over Cable Interne
22773 762 712 Cox Communications, Inc.
8151 901 692 UniNet S.A. de C.V.
5668 657 634 CenturyTel Internet Holdings,
7545 732 613 TPG Internet Pty Ltd
19262 767 591 Verizon Global Networks
6517 596 558 Yipes Communications, Inc.
18101 596 544 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1030 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
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
64586 PRIVATE 192.170.73.0/24 4845 Chung Hsiao East Roa
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
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
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
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
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 /11:38 /12:134
/13:265 /14:474 /15:927 /16:9673 /17:4159 /18:6682
/19:14111 /20:16715 /21:15227 /22:19627 /23:20515 /24:123465
/25:883 /26:1146 /27:593 /28:265 /29:187 /30:277
/31:6 /32:86
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1133 1134 AT&T Worldnet Services
11492 1128 1136 Cable One
18566 1005 1023 Covad Communications
9583 968 1132 Sify Limited
23577 915 924 Korea Telecom (ATM-MPLS)
2386 907 1214 AT&T Data Communications Serv
4538 903 1937 China Education and Research
7018 821 1485 AT&T WorldNet Services
7011 813 919 Citizens Utilities
6197 783 1030 BellSouth Network Solutions,
4755 727 1343 Videsh Sanchar Nigam Ltd. Aut
9498 670 997 BHARTI BT INTERNET LTD.
17488 618 795 Hathway IP Over Cable Interne
4766 603 805 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 561 596 Yipes Communications, Inc.
4323 554 1320 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 522 657 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:87 12:1824 13:2 15:19
16:3 17:3 18:13 20:36 24:987 25:1
32:173 33:3 38:347 40:60 41:320 43:6
44:2 47:4 52:4 55:3 56:3 57:42
58:498 59:398 60:369 61:1026 62:996 63:2015
64:3206 65:2428 66:3410 67:824 68:662 69:1982
70:464 71:116 72:1402 73:2 74:643 75:306
76:130 77:330 78:48 80:847 81:826 82:599
83:393 84:616 85:811 86:340 87:489 88:285
89:978 90:25 91:534 97:5 116:295 117:157
118:9 121:272 122:592 123:171 124:671 125:989
128:270 129:217 130:139 131:364 132:55 133:9
134:196 135:34 136:189 137:86 138:153 139:105
140:500 141:174 142:397 143:254 144:293 145:46
146:329 147:123 148:394 149:150 150:110 151:157
152:91 153:119 154:4 155:264 156:160 157:214
158:158 159:170 160:114 161:98 162:177 163:182
164:481 165:395 166:287 167:300 168:517 169:123
170:390 171:22 172:2 189:73 190:1014 192:5806
193:4003 194:3264 195:2392 196:1029 198:3887 199:3289
200:5111 201:1194 202:7780 203:7745 204:3962 205:1981
206:2481 207:2934 208:2818 209:3511 210:2755 211:1216
212:1353 213:1495 214:415 215:40 216:3995 217:1207
218:392 219:450 220:1032 221:418 222:301
End of report
