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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 24 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/2007/08/24
Analysis Summary
----------------
BGP routing table entries examined: 234612
Prefixes after maximum aggregation: 120848
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 110253
Total ASes present in the Internet Routing Table: 25971
Prefixes per ASN: 9.03
Origin-only ASes present in the Internet Routing Table: 22500
Origin ASes announcing only one prefix: 10948
Transit ASes present in the Internet Routing Table: 3471
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 28
Max AS path prepend of ASN (42025) 17
Prefixes from unregistered ASNs in the Routing Table: 33
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: 1755467588
Equivalent to 104 /8s, 162 /16s and 79 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125098
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55479
Total APNIC prefixes after maximum aggregation: 20714
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 52281
Unique aggregates announced from the APNIC address blocks: 21346
APNIC Region origin ASes present in the Internet Routing Table: 3046
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 814
APNIC Region transit ASes present in the Internet Routing Table: 474
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 312880564
Equivalent to 18 /8s, 166 /16s and 45 /24s
Percentage of available APNIC address space announced: 77.5
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: 110473
Total ARIN prefixes after maximum aggregation: 63302
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81028
Unique aggregates announced from the ARIN address blocks: 31810
ARIN Region origin ASes present in the Internet Routing Table: 11770
ARIN Prefixes per ASN: 6.88
ARIN Region origin ASes announcing only one prefix: 4505
ARIN Region transit ASes present in the Internet Routing Table: 1140
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 343039328
Equivalent to 20 /8s, 114 /16s and 93 /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: 49450
Total RIPE prefixes after maximum aggregation: 31334
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45899
Unique aggregates announced from the RIPE address blocks: 29109
RIPE Region origin ASes present in the Internet Routing Table: 10008
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 5287
RIPE Region transit ASes present in the Internet Routing Table: 1624
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 325441664
Equivalent to 19 /8s, 101 /16s and 216 /24s
Percentage of available RIPE address space announced: 74.6
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: 16372
Total LACNIC prefixes after maximum aggregation: 4419
LACNIC Deaggregation factor: 3.70
Prefixes being announced from the LACNIC address blocks: 14501
Unique aggregates announced from the LACNIC address blocks: 7770
LACNIC Region origin ASes present in the Internet Routing Table: 851
LACNIC Prefixes per ASN: 17.04
LACNIC Region origin ASes announcing only one prefix: 271
LACNIC Region transit ASes present in the Internet Routing Table: 147
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 42045184
Equivalent to 2 /8s, 129 /16s and 143 /24s
Percentage of available LACNIC address space announced: 62.7
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: 2799
Total AfriNIC prefixes after maximum aggregation: 1065
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2325
Unique aggregates announced from the AfriNIC address blocks: 1338
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.23
AfriNIC Region origin ASes announcing only one prefix: 71
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC addresses announced to Internet: 7439360
Equivalent to 0 /8s, 113 /16s and 132 /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 1349 11142 288 CHINANET-BACKBONE
4755 1334 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1131 108 17 Sify Limited
9498 1002 533 70 BHARTI BT INTERNET LTD.
23577 924 34 794 Korea Telecom (ATM-MPLS)
9394 827 1712 7 CHINA RAILWAY Internet(CRNET)
4766 796 5440 315 Korea Telecom (KIX)
17488 771 50 51 Hathway IP Over Cable Interne
7545 735 159 118 TPG Internet Pty Ltd
1221 595 1951 438 Telstra Pty Ltd
18101 592 119 48 Reliance Infocom Ltd Internet
4812 548 968 97 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 469 760 104 CNCGROUP IP network: China169
9443 465 122 78 Primus Telecommunications
7474 457 216 268 SingTel Optus Pty Ltd
4538 442 2974 34 China Education and Research
9942 439 75 112 COMindico Australia
4802 432 116 156 Wantree Development
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1129 949 687 Telenor Internet Access
702 503 1922 404 UUNET - Commercial IP service
24863 366 57 40 LINKdotNET AS number
9116 338 168 26 Goldenlines main autonomous s
8551 320 315 43 Bezeq International
3301 314 1456 293 TeliaNet Sweden
3320 312 6035 259 Deutsche Telekom AG
6746 288 130 264 Dynamic Network Technologies,
5089 279 1658 54 NTL Group Limited
680 265 2061 256 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 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 211 1441 24 TTnet Autonomous System
1257 204 1195 169 SWIPnet Swedish IP Network
3300 201 172 96 AUCS Communications Services
3292 195 1379 175 TDC Tele Danmark
12479 194 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1480 10180 988 AT&T WorldNet Services
4323 1323 1007 372 Time Warner Telecom
2386 1215 618 750 AT&T Data Communications Serv
6478 1141 322 134 AT&T Worldnet Services
11492 1135 110 16 Cable One
6197 1031 718 509 BellSouth Network Solutions,
18566 1020 288 9 Covad Communications
174 971 6780 860 Cogent Communications
701 948 6578 727 UUNET Technologies, Inc.
7011 916 261 552 Citizens Utilities
20115 815 748 434 Charter Communications
1239 800 2729 566 Sprint
19262 767 2743 186 Verizon Global Networks
22773 759 2148 49 Cox Communications, Inc.
209 741 3821 586 Qwest
577 705 813 202 Bell Advanced Communications
5668 629 171 24 CenturyTel Internet Holdings,
852 590 1096 363 Telus Advanced Communications
6517 589 165 37 Yipes Communications, Inc.
3356 573 10826 339 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1334 1263 Videsh Sanchar Nigam Ltd. Aut
11492 1135 1119 Cable One
9583 1131 1114 Sify Limited
4134 1349 1061 CHINANET-BACKBONE
18566 1020 1011 Covad Communications
6478 1141 1007 AT&T Worldnet Services
4323 1323 951 Time Warner Telecom
9498 1002 932 BHARTI BT INTERNET LTD.
9394 827 820 CHINA RAILWAY Internet(CRNET)
17488 771 720 Hathway IP Over Cable Interne
22773 759 710 Cox Communications, Inc.
8151 910 701 UniNet S.A. de C.V.
7545 735 617 TPG Internet Pty Ltd
5668 629 605 CenturyTel Internet Holdings,
19262 767 581 Verizon Global Networks
6517 589 552 Yipes Communications, Inc.
18101 592 544 Reliance Infocom Ltd Internet
15270 568 530 PaeTec.net -a division of Pae
6197 1031 522 BellSouth Network Solutions,
19916 568 517 OLM LLC
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 129.6.112.0/24 10886 University of Maryla
64539 PRIVATE 170.213.128.0/24 7132 SBC Internet Service
64539 PRIVATE 170.213.129.0/24 7132 SBC Internet Service
64539 PRIVATE 170.213.132.0/24 7132 SBC Internet Service
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
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
/13:265 /14:473 /15:931 /16:9652 /17:4148 /18:6697
/19:14075 /20:16617 /21:15370 /22:19535 /23:20570 /24:122198
/25:1066 /26:1384 /27:590 /28:265 /29:186 /30:283
/31:5 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1140 1141 AT&T Worldnet Services
11492 1128 1135 Cable One
2119 1015 1129 Telenor Internet Access
18566 1002 1020 Covad Communications
9583 964 1131 Sify Limited
23577 915 924 Korea Telecom (ATM-MPLS)
2386 908 1215 AT&T Data Communications Serv
7018 820 1480 AT&T WorldNet Services
7011 813 916 Citizens Utilities
6197 784 1031 BellSouth Network Solutions,
4755 720 1334 Videsh Sanchar Nigam Ltd. Aut
9498 670 1002 BHARTI BT INTERNET LTD.
4766 594 796 Korea Telecom (KIX)
17488 594 771 Hathway IP Over Cable Interne
19916 563 568 OLM LLC
4323 555 1323 Time Warner Telecom
6517 555 589 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
4668 506 516 LG-EDS Systems Inc.
18101 499 592 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1829 13:1 15:19
16:3 17:3 18:13 20:37 24:984 25:1
32:173 33:3 38:345 40:60 41:306 43:6
44:2 47:4 52:4 55:3 56:3 57:46
58:469 59:387 60:366 61:1025 62:996 63:2010
64:3208 65:2423 66:3416 67:797 68:655 69:1978
70:455 71:114 72:1387 73:2 74:639 75:302
76:129 77:292 78:44 80:845 81:832 82:734
83:388 84:588 85:860 86:314 87:485 88:278
89:898 90:25 91:495 97:5 116:297 117:140
121:267 122:593 123:156 124:672 125:992 126:1
128:276 129:215 130:140 131:364 132:56 133:9
134:198 135:34 136:189 137:85 138:156 139:122
140:491 141:173 142:397 143:255 144:298 145:46
146:327 147:123 148:409 149:143 150:111 151:159
152:91 153:122 154:4 155:263 156:161 157:214
158:158 159:170 160:113 161:99 162:187 163:181
164:485 165:396 166:275 167:297 168:513 169:122
170:391 171:22 172:2 189:70 190:988 192:5802
193:3956 194:3209 195:2341 196:1034 198:3897 199:3287
200:5134 201:1168 202:7458 203:7715 204:3953 205:1984
206:2465 207:2920 208:2784 209:3488 210:2475 211:1133
212:1347 213:1523 214:415 215:41 216:3988 217:1197
218:379 219:386 220:1038 221:415 222:265
End of report
