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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 17 Aug, 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/2007/08/17
Analysis Summary
----------------
BGP routing table entries examined: 234277
Prefixes after maximum aggregation: 120694
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 111343
Total ASes present in the Internet Routing Table: 26025
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22609
Origin ASes announcing only one prefix: 11028
Transit ASes present in the Internet Routing Table: 3416
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 23
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 37
Unregistered ASNs in the Routing Table: 19
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1734498884
Equivalent to 103 /8s, 98 /16s and 90 /24s
Percentage of available address space announced: 46.8
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 124931
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55302
Total APNIC prefixes after maximum aggregation: 21056
APNIC Deaggregation factor: 2.63
Prefixes being announced from the APNIC address blocks: 52105
Unique aggregates announced from the APNIC address blocks: 22212
APNIC Region origin ASes present in the Internet Routing Table: 3043
APNIC Prefixes per ASN: 17.12
APNIC Region origin ASes announcing only one prefix: 817
APNIC Region transit ASes present in the Internet Routing Table: 473
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 311492788
Equivalent to 18 /8s, 145 /16s and 0 /24s
Percentage of available APNIC address space announced: 77.2
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: 110144
Total ARIN prefixes after maximum aggregation: 63188
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80930
Unique aggregates announced from the ARIN address blocks: 31856
ARIN Region origin ASes present in the Internet Routing Table: 11760
ARIN Prefixes per ASN: 6.88
ARIN Region origin ASes announcing only one prefix: 4518
ARIN Region transit ASes present in the Internet Routing Table: 1111
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 342731104
Equivalent to 20 /8s, 109 /16s and 169 /24s
Percentage of available ARIN address space announced: 75.7
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: 49723
Total RIPE prefixes after maximum aggregation: 30986
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 46186
Unique aggregates announced from the RIPE address blocks: 29367
RIPE Region origin ASes present in the Internet Routing Table: 10097
RIPE Prefixes per ASN: 4.57
RIPE Region origin ASes announcing only one prefix: 5355
RIPE Region transit ASes present in the Internet Routing Table: 1617
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 324327424
Equivalent to 19 /8s, 84 /16s and 216 /24s
Percentage of available RIPE address space announced: 74.4
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: 16257
Total LACNIC prefixes after maximum aggregation: 4384
LACNIC Deaggregation factor: 3.71
Prefixes being announced from the LACNIC address blocks: 14365
Unique aggregates announced from the LACNIC address blocks: 7738
LACNIC Region origin ASes present in the Internet Routing Table: 847
LACNIC Prefixes per ASN: 16.96
LACNIC Region origin ASes announcing only one prefix: 273
LACNIC Region transit ASes present in the Internet Routing Table: 142
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 41987072
Equivalent to 2 /8s, 128 /16s and 172 /24s
Percentage of available LACNIC address space announced: 62.6
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: 2809
Total AfriNIC prefixes after maximum aggregation: 1068
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2322
Unique aggregates announced from the AfriNIC address blocks: 1355
AfriNIC Region origin ASes present in the Internet Routing Table: 203
AfriNIC Prefixes per ASN: 11.44
AfriNIC Region origin ASes announcing only one prefix: 65
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7447296
Equivalent to 0 /8s, 113 /16s and 163 /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
4134 1357 11196 298 CHINANET-BACKBONE
4755 1324 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1121 80 401 Sify Limited
9498 997 532 69 BHARTI BT INTERNET LTD.
23577 924 34 794 Korea Telecom (ATM-MPLS)
9394 842 1712 7 CHINA RAILWAY Internet(CRNET)
4766 799 5441 317 Korea Telecom (KIX)
17488 755 49 56 Hathway IP Over Cable Interne
7545 699 150 115 TPG Internet Pty Ltd
1221 594 1951 441 Telstra Pty Ltd
18101 588 118 45 Reliance Infocom Ltd Internet
4812 542 979 98 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 474 762 105 CNCGROUP IP network: China169
9443 474 122 78 Primus Telecommunications
7474 471 217 269 SingTel Optus Pty Ltd
9942 441 77 114 COMindico Australia
4802 428 112 152 Wantree Development
9829 363 258 14 BSNL National Internet Backbo
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1131 1079 184 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
5089 369 1658 54 NTL Group Limited
24863 362 57 41 LINKdotNET AS number
9116 343 168 26 Goldenlines main autonomous s
8551 320 315 43 Bezeq International
3320 314 6035 260 Deutsche Telekom AG
3301 313 1456 293 TeliaNet Sweden
6746 287 130 263 Dynamic Network Technologies,
680 265 2061 256 DFN-IP service G-WiN
8708 260 420 241 Romania Data Systems S.A.
8220 259 445 242 COLT Telecommunications
3215 256 2392 97 France Telecom Transpac
3352 225 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 210 1441 24 TTnet Autonomous System
1257 206 1195 171 SWIPnet Swedish IP Network
3300 201 172 96 AUCS Communications Services
3292 195 1379 175 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 1474 10163 987 AT&T WorldNet Services
4323 1332 1007 373 Time Warner Telecom
2386 1208 616 744 AT&T Data Communications Serv
11492 1124 109 32 Cable One
6478 1115 322 140 AT&T Worldnet Services
6197 1029 718 516 BellSouth Network Solutions,
18566 1019 288 9 Covad Communications
174 970 6780 859 Cogent Communications
701 945 6563 723 UUNET Technologies, Inc.
7011 910 260 547 Citizens Utilities
20115 805 741 430 Charter Communications
1239 804 2731 568 Sprint
19262 763 2721 182 Verizon Global Networks
22773 753 2148 49 Cox Communications, Inc.
209 735 3837 584 Qwest
577 702 813 204 Bell Advanced Communications
5668 628 171 24 CenturyTel Internet Holdings,
852 589 1094 367 Telus Advanced Communications
6517 583 161 38 Yipes Communications, Inc.
855 573 254 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1324 1254 Videsh Sanchar Nigam Ltd. Aut
11492 1124 1092 Cable One
4134 1357 1059 CHINANET-BACKBONE
18566 1019 1010 Covad Communications
6478 1115 975 AT&T Worldnet Services
4323 1332 959 Time Warner Telecom
2119 1131 947 Telenor Internet Access
9498 997 928 BHARTI BT INTERNET LTD.
9394 842 835 CHINA RAILWAY Internet(CRNET)
9583 1121 720 Sify Limited
8151 922 716 UniNet S.A. de C.V.
22773 753 704 Cox Communications, Inc.
17488 755 699 Hathway IP Over Cable Interne
5668 628 604 CenturyTel Internet Holdings,
7545 699 584 TPG Internet Pty Ltd
19262 763 581 Verizon Global Networks
6517 583 545 Yipes Communications, Inc.
18101 588 543 Reliance Infocom Ltd Internet
15270 568 530 PaeTec.net -a division of Pae
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64513 PRIVATE 63.171.234.0/26 1803 SPRINT
64513 PRIVATE 63.171.234.64/26 1803 SPRINT
64513 PRIVATE 63.171.234.128/26 1803 SPRINT
64513 PRIVATE 63.171.234.192/26 1803 SPRINT
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65108 PRIVATE 84.234.80.0/20 43379 *
65038 PRIVATE 88.213.141.0/24 34695 E4A Primary AS
65038 PRIVATE 88.213.155.0/24 34695 E4A Primary AS
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
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
65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL
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
192.0.2.0/24 812 Rogers WAVE
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 /8:17 /9:9 /10:15 /11:36 /12:134
/13:262 /14:474 /15:929 /16:9614 /17:4145 /18:6666
/19:14049 /20:16638 /21:15265 /22:19473 /23:20522 /24:122157
/25:1066 /26:1384 /27:591 /28:261 /29:191 /30:290
/31:5 /32:84
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1116 1124 Cable One
6478 1114 1115 AT&T Worldnet Services
2119 1011 1131 Telenor Internet Access
18566 1001 1019 Covad Communications
9583 964 1121 Sify Limited
23577 915 924 Korea Telecom (ATM-MPLS)
2386 902 1208 AT&T Data Communications Serv
7018 812 1474 AT&T WorldNet Services
7011 807 910 Citizens Utilities
6197 782 1029 BellSouth Network Solutions,
4755 710 1324 Videsh Sanchar Nigam Ltd. Aut
9498 665 997 BHARTI BT INTERNET LTD.
4766 596 799 Korea Telecom (KIX)
17488 578 755 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 561 1332 Time Warner Telecom
6517 547 583 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 506 516 LG-EDS Systems Inc.
18101 498 588 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:86 12:1808 13:1 15:19
16:3 17:3 18:13 20:37 24:972 25:1
32:174 33:3 38:346 40:60 41:305 43:6
44:2 47:4 52:4 55:3 56:3 57:46
58:477 59:388 60:354 61:1011 62:999 63:2011
64:3204 65:2417 66:3419 67:780 68:651 69:1954
70:455 71:115 72:1387 73:2 74:626 75:297
76:127 77:278 78:40 80:848 81:837 82:717
83:392 84:605 85:869 86:343 87:483 88:285
89:966 90:22 91:487 97:6 116:292 117:126
121:263 122:597 123:152 124:840 125:981 128:289
129:215 130:140 131:363 132:55 133:9 134:200
135:34 136:188 137:85 138:149 139:121 140:492
141:173 142:395 143:256 144:297 145:46 146:325
147:120 148:409 149:147 150:111 151:159 152:91
153:122 154:4 155:261 156:156 157:210 158:158
159:177 160:108 161:97 162:187 163:180 164:481
165:392 166:275 167:295 168:509 169:121 170:395
171:22 172:2 189:69 190:971 192:5768 193:3986
194:3211 195:2341 196:1033 198:3877 199:3283 200:5104
201:1153 202:7466 203:7682 204:3982 205:1989 206:2473
207:2934 208:2778 209:3525 210:2462 211:1029 212:1355
213:1532 214:415 215:41 216:4014 217:1180 218:373
219:385 220:1030 221:418 222:266
End of report
