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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 06 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/2007/08/06
Analysis Summary
----------------
BGP routing table entries examined: 232874
Prefixes after maximum aggregation: 119935
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 109624
Total ASes present in the Internet Routing Table: 25935
Prefixes per ASN: 8.98
Origin-only ASes present in the Internet Routing Table: 22507
Origin ASes announcing only one prefix: 10993
Transit ASes present in the Internet Routing Table: 3428
Transit-only ASes present in the Internet Routing Table: 77
Average AS path length visible in the Internet Routing Table: 5.7
Max AS path length visible: 23
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 45
Unregistered ASNs in the Routing Table: 21
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: 1744056124
Equivalent to 103 /8s, 244 /16s and 47 /24s
Percentage of available address space announced: 47.1
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 123753
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 54984
Total APNIC prefixes after maximum aggregation: 20540
APNIC Deaggregation factor: 2.68
Prefixes being announced from the APNIC address blocks: 51796
Unique aggregates announced from the APNIC address blocks: 20985
APNIC Region origin ASes present in the Internet Routing Table: 3034
APNIC Prefixes per ASN: 17.07
APNIC Region origin ASes announcing only one prefix: 818
APNIC Region transit ASes present in the Internet Routing Table: 467
Average APNIC Region AS path length visible: 6.1
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 306225844
Equivalent to 18 /8s, 64 /16s and 162 /24s
Percentage of available APNIC address space announced: 75.9
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: 109588
Total ARIN prefixes after maximum aggregation: 63064
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 80434
Unique aggregates announced from the ARIN address blocks: 31539
ARIN Region origin ASes present in the Internet Routing Table: 11755
ARIN Prefixes per ASN: 6.84
ARIN Region origin ASes announcing only one prefix: 4532
ARIN Region transit ASes present in the Internet Routing Table: 1130
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 341512288
Equivalent to 20 /8s, 91 /16s and 16 /24s
Percentage of available ARIN address space announced: 75.4
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: 49474
Total RIPE prefixes after maximum aggregation: 30889
RIPE Deaggregation factor: 1.60
Prefixes being announced from the RIPE address blocks: 45891
Unique aggregates announced from the RIPE address blocks: 29232
RIPE Region origin ASes present in the Internet Routing Table: 10029
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 5311
RIPE Region transit ASes present in the Internet Routing Table: 1616
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 323996800
Equivalent to 19 /8s, 79 /16s and 204 /24s
Percentage of available RIPE address space announced: 74.3
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16061
Total LACNIC prefixes after maximum aggregation: 4369
LACNIC Deaggregation factor: 3.68
Prefixes being announced from the LACNIC address blocks: 14107
Unique aggregates announced from the LACNIC address blocks: 7810
LACNIC Region origin ASes present in the Internet Routing Table: 837
LACNIC Prefixes per ASN: 16.85
LACNIC Region origin ASes announcing only one prefix: 267
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 41422336
Equivalent to 2 /8s, 120 /16s and 14 /24s
Percentage of available LACNIC address space announced: 61.7
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: 2722
Total AfriNIC prefixes after maximum aggregation: 1061
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 2250
Unique aggregates announced from the AfriNIC address blocks: 1302
AfriNIC Region origin ASes present in the Internet Routing Table: 202
AfriNIC Prefixes per ASN: 11.14
AfriNIC Region origin ASes announcing only one prefix: 65
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 5.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 6379264
Equivalent to 0 /8s, 97 /16s and 87 /24s
Percentage of available AfriNIC address space announced: 19.0
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 1371 11014 286 CHINANET-BACKBONE
4755 1313 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1127 108 14 Sify Limited
9498 1010 533 70 BHARTI BT INTERNET LTD.
23577 927 34 796 Korea Telecom (ATM-MPLS)
9394 838 1712 7 CHINA RAILWAY Internet(CRNET)
4766 796 4930 316 Korea Telecom (KIX)
17488 738 48 58 Hathway IP Over Cable Interne
7545 695 150 113 TPG Internet Pty Ltd
1221 597 1951 441 Telstra Pty Ltd
18101 578 117 41 Reliance Infocom Ltd Internet
4812 530 915 96 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 491 218 270 SingTel Optus Pty Ltd
4808 476 767 109 CNCGROUP IP network: China169
9443 473 122 78 Primus Telecommunications
9942 440 77 113 COMindico Australia
4802 415 108 152 Wantree Development
17974 363 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1132 1079 185 Telenor Internet Access
702 502 1922 403 UUNET - Commercial IP service
5089 367 1658 53 NTL Group Limited
24863 361 56 40 LINKdotNET AS number
9116 323 168 26 Goldenlines main autonomous s
8551 318 313 46 Bezeq International
3320 312 6035 258 Deutsche Telekom AG
3301 311 1456 291 TeliaNet Sweden
6746 287 130 263 Dynamic Network Technologies,
680 264 2044 255 DFN-IP service G-WiN
8220 260 445 242 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 252 420 241 Romania Data Systems S.A.
3352 224 1864 41 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 209 1441 23 TTnet Autonomous System
5631 208 7 3 iPcenta European AS
1257 207 1195 172 SWIPnet Swedish IP Network
3292 195 1379 174 TDC Tele Danmark
3300 194 172 93 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1482 6067 999 AT&T WorldNet Services
4323 1318 1020 367 Time Warner Telecom
2386 1196 614 741 AT&T Data Communications Serv
11492 1116 109 16 Cable One
6478 1107 321 127 AT&T Worldnet Services
6197 1026 689 517 BellSouth Network Solutions,
18566 1018 288 9 Covad Communications
174 953 6711 842 Cogent Communications
701 932 6560 709 UUNET Technologies, Inc.
7011 904 259 545 Citizens Utilities
1239 805 2718 572 Sprint
20115 803 740 435 Charter Communications
19262 764 2748 183 Verizon Global Networks
22773 750 2148 49 Cox Communications, Inc.
209 729 3838 572 Qwest
577 679 811 206 Bell Advanced Communications
5668 627 171 23 CenturyTel Internet Holdings,
852 586 1077 363 Telus Advanced Communications
6517 578 161 38 Yipes Communications, Inc.
6198 575 658 254 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1313 1243 Videsh Sanchar Nigam Ltd. Aut
9583 1127 1113 Sify Limited
11492 1116 1100 Cable One
4134 1371 1085 CHINANET-BACKBONE
18566 1018 1009 Covad Communications
6478 1107 980 AT&T Worldnet Services
4323 1318 951 Time Warner Telecom
2119 1132 947 Telenor Internet Access
9498 1010 940 BHARTI BT INTERNET LTD.
9394 838 831 CHINA RAILWAY Internet(CRNET)
22773 750 701 Cox Communications, Inc.
17488 738 680 Hathway IP Over Cable Interne
8151 869 674 UniNet S.A. de C.V.
5668 627 604 CenturyTel Internet Holdings,
7545 695 582 TPG Internet Pty Ltd
19262 764 581 Verizon Global Networks
6517 578 540 Yipes Communications, Inc.
18101 578 537 Reliance Infocom Ltd Internet
15270 565 528 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 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65535 PRIVATE 193.203.218.0/23 38931 Traffic-Media
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
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
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65106 PRIVATE 212.38.80.0/22 8851 Inweb Networks UK-AS
65106 PRIVATE 213.210.16.0/24 8851 Inweb Networks UK-AS
65106 PRIVATE 213.210.18.0/24 8851 Inweb Networks UK-AS
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
37956 UNALLOCATED 221.123.16.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.17.0/24 38440 Mobileclusters Ltd
37956 UNALLOCATED 221.123.18.0/24 38440 Mobileclusters Ltd
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 /11:36 /12:130
/13:261 /14:470 /15:913 /16:9618 /17:4120 /18:6681
/19:14003 /20:16562 /21:15174 /22:19375 /23:20411 /24:121050
/25:1057 /26:1384 /27:617 /28:307 /29:228 /30:339
/31:0 /32:96
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1107 1116 Cable One
6478 1106 1107 AT&T Worldnet Services
2119 1012 1132 Telenor Internet Access
18566 1000 1018 Covad Communications
9583 962 1127 Sify Limited
23577 918 927 Korea Telecom (ATM-MPLS)
2386 889 1196 AT&T Data Communications Serv
7018 809 1482 AT&T WorldNet Services
7011 802 904 Citizens Utilities
6197 782 1026 BellSouth Network Solutions,
4755 702 1313 Videsh Sanchar Nigam Ltd. Aut
9498 678 1010 BHARTI BT INTERNET LTD.
4766 595 796 Korea Telecom (KIX)
19916 563 568 OLM LLC
17488 561 738 Hathway IP Over Cable Interne
4323 553 1318 Time Warner Telecom
6517 542 578 Yipes Communications, Inc.
15270 530 565 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
5668 492 627 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:84 9:1 12:1805 15:19
16:3 17:3 18:12 20:37 24:944 25:1
32:174 33:3 38:343 40:60 41:244 43:6
44:2 47:4 52:4 55:3 56:3 57:48
58:472 59:383 60:346 61:1015 62:942 63:2002
64:3162 65:2406 66:3341 67:767 68:632 69:1935
70:456 71:113 72:1382 73:2 74:599 75:297
76:89 77:269 78:32 80:841 81:825 82:736
83:382 84:564 85:861 86:339 87:456 88:288
89:955 90:13 91:449 97:6 98:2 116:276
117:90 121:254 122:579 123:141 124:874 125:971
128:293 129:213 130:140 131:363 132:54 133:9
134:198 135:39 136:183 137:85 138:149 139:122
140:492 141:172 142:397 143:236 144:288 145:46
146:324 147:120 148:400 149:145 150:111 151:160
152:92 153:122 154:3 155:257 156:157 157:213
158:158 159:166 160:108 161:98 162:186 163:182
164:475 165:397 166:267 167:295 168:505 169:121
170:411 171:22 172:1 189:71 190:914 192:5821
193:3966 194:3202 195:2323 196:1023 198:3894 199:3284
200:5044 201:1153 202:7453 203:7618 204:3983 205:1966
206:2461 207:2922 208:2756 209:3506 210:2429 211:1015
212:1311 213:1498 214:415 215:40 216:4009 217:1169
218:371 219:391 220:1025 221:419 222:267
End of report
