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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 26 May, 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/2007/05/26
Analysis Summary
----------------
BGP routing table entries examined: 231259
Prefixes after maximum aggregation: 119582
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 106432
Total ASes present in the Internet Routing Table: 25357
Prefixes per ASN: 9.12
Origin-only ASes present in the Internet Routing Table: 21913
Origin ASes announcing only one prefix: 10644
Transit ASes present in the Internet Routing Table: 3444
Transit-only ASes present in the Internet Routing Table: 88
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 43
Unregistered ASNs in the Routing Table: 27
Prefixes from 32-bit ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1706569996
Equivalent to 101 /8s, 184 /16s and 49 /24s
Percentage of available address space announced: 46.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 123837
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52229
Total APNIC prefixes after maximum aggregation: 20185
APNIC Deaggregation factor: 2.59
Prefixes being announced from the APNIC address blocks: 49076
Unique aggregates announced from the APNIC address blocks: 20252
APNIC Region origin ASes present in the Internet Routing Table: 2963
APNIC Prefixes per ASN: 16.56
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 460
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 295681084
Equivalent to 17 /8s, 159 /16s and 188 /24s
Percentage of available APNIC address space announced: 73.2
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: 113743
Total ARIN prefixes after maximum aggregation: 63503
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84838
Unique aggregates announced from the ARIN address blocks: 30812
ARIN Region origin ASes present in the Internet Routing Table: 11614
ARIN Prefixes per ASN: 7.30
ARIN Region origin ASes announcing only one prefix: 4462
ARIN Region transit ASes present in the Internet Routing Table: 1133
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 334221536
Equivalent to 19 /8s, 235 /16s and 208 /24s
Percentage of available ARIN address space announced: 73.8
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: 47288
Total RIPE prefixes after maximum aggregation: 30668
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 43885
Unique aggregates announced from the RIPE address blocks: 28234
RIPE Region origin ASes present in the Internet Routing Table: 9701
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5078
RIPE Region transit ASes present in the Internet Routing Table: 1622
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 37
Number of RIPE addresses announced to Internet: 306605632
Equivalent to 18 /8s, 70 /16s and 110 /24s
Percentage of available RIPE address space announced: 76.1
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, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15321
Total LACNIC prefixes after maximum aggregation: 4185
LACNIC Deaggregation factor: 3.66
Prefixes being announced from the LACNIC address blocks: 13415
Unique aggregates announced from the LACNIC address blocks: 7308
LACNIC Region origin ASes present in the Internet Routing Table: 801
LACNIC Prefixes per ASN: 16.75
LACNIC Region origin ASes announcing only one prefix: 260
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 38949120
Equivalent to 2 /8s, 82 /16s and 81 /24s
Percentage of available LACNIC address space announced: 58.0
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: 2629
Total AfriNIC prefixes after maximum aggregation: 1027
AfriNIC Deaggregation factor: 2.56
Prefixes being announced from the AfriNIC address blocks: 1999
Unique aggregates announced from the AfriNIC address blocks: 1168
AfriNIC Region origin ASes present in the Internet Routing Table: 189
AfriNIC Prefixes per ASN: 10.58
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6072832
Equivalent to 0 /8s, 92 /16s and 170 /24s
Percentage of available AfriNIC address space announced: 18.1
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 1285 9958 278 CHINANET-BACKBONE
4755 1222 382 70 Videsh Sanchar Nigam Ltd. Aut
9583 1021 108 15 Sify Limited
9498 984 469 71 BHARTI BT INTERNET LTD.
23577 925 35 821 Korea Telecom (ATM-MPLS)
4766 783 4943 312 Korea Telecom (KIX)
17488 694 45 38 Hathway IP Over Cable Interne
7545 645 142 79 TPG Internet Pty Ltd
1221 594 1954 437 Telstra Pty Ltd
18101 543 116 36 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 480 218 270 SingTel Optus Pty Ltd
4812 458 820 75 China Telecom (Shanghai)
9443 456 115 75 Primus Telecommunications
9942 442 77 115 COMindico Australia
4802 412 86 149 Wantree Development
9829 362 258 14 BSNL National Internet Backbo
2907 359 1732 305 SINET Japan
17557 354 37 169 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 955 928 654 Telenor Internet Access
702 515 1923 408 UUNET - Commercial IP service
5089 337 1658 53 NTL Group Limited
3301 309 1455 289 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
6746 281 128 256 Dynamic Network Technologies,
680 260 2044 251 DFN-IP service G-WiN
8220 253 456 243 COLT Telecommunications
3215 246 2279 94 France Telecom Transpac
1257 235 1180 168 SWIPnet Swedish IP Network
8708 235 288 229 Romania Data Systems S.A.
24863 217 26 94 LINKdotNET AS number
3269 216 2647 74 TELECOM ITALIA
8551 208 197 27 Bezeq International
3246 205 337 192 Song Networks
3352 200 1799 36 Ibernet, Internet Access Netw
9116 196 136 25 Goldenlines main autonomous s
3300 189 171 91 AUCS Communications Services
2856 187 2318 146 BTnet UK Regional network
12479 185 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5010 6613 729 UUNET Technologies, Inc.
7018 1508 10216 993 AT&T WorldNet Services
4323 1265 1032 362 Time Warner Telecom
2386 1144 595 750 AT&T Data Communications Serv
6478 1100 343 121 AT&T Worldnet Services
11492 1073 104 24 Cable One
6197 1040 706 508 BellSouth Network Solutions,
18566 1010 288 9 Covad Communications
174 944 6743 853 Cogent Communications
705 840 492 376 UUNET Technologies, Inc.
1239 823 2740 582 Sprint
20115 807 724 428 Charter Communications
7011 799 227 476 Citizens Utilities
19262 773 2661 206 Verizon Global Networks
209 744 3836 582 Qwest
7046 737 260 619 UUNET Technologies, Inc.
22773 721 1892 44 Cox Communications, Inc.
577 650 793 205 Bell Advanced Communications
852 603 1074 370 Telus Advanced Communications
5668 598 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1222 1152 Videsh Sanchar Nigam Ltd. Aut
8151 1286 1086 UniNet S.A. de C.V.
11492 1073 1049 Cable One
4134 1285 1007 CHINANET-BACKBONE
9583 1021 1006 Sify Limited
18566 1010 1001 Covad Communications
6478 1100 979 AT&T Worldnet Services
9498 984 913 BHARTI BT INTERNET LTD.
4323 1265 903 Time Warner Telecom
22773 721 677 Cox Communications, Inc.
17488 694 656 Hathway IP Over Cable Interne
5668 598 581 CenturyTel Internet Holdings,
19262 773 567 Verizon Global Networks
7545 645 566 TPG Internet Pty Ltd
6197 1040 532 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1508 515 AT&T WorldNet Services
18101 543 507 Reliance Infocom Ltd Internet
7029 583 506 Alltel Information Services,
15270 541 506 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
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
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 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
65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc.
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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
10.11.12.0/24 65534 *
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 /10:14 /11:35 /12:126
/13:249 /14:454 /15:878 /16:9444 /17:3959 /18:6486
/19:13628 /20:15740 /21:14216 /22:18751 /23:20242 /24:123262
/25:1009 /26:1132 /27:565 /28:261 /29:193 /30:478
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3759 5010 UUNET Technologies, Inc.
6478 1091 1100 AT&T Worldnet Services
11492 1059 1073 Cable One
18566 992 1010 Covad Communications
23577 911 925 Korea Telecom (ATM-MPLS)
9583 858 1021 Sify Limited
2119 855 955 Telenor Internet Access
2386 840 1144 AT&T Data Communications Serv
7018 813 1508 AT&T WorldNet Services
6197 795 1040 BellSouth Network Solutions,
7011 700 799 Citizens Utilities
8151 686 1286 UniNet S.A. de C.V.
9498 654 984 BHARTI BT INTERNET LTD.
4755 619 1222 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
705 547 840 UUNET Technologies, Inc.
7046 525 737 UUNET Technologies, Inc.
4323 524 1265 Time Warner Telecom
17488 515 694 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:80 9:1 10:1 12:1823
15:19 16:3 17:3 18:8 20:38 24:947
25:1 32:173 33:2 38:312 40:61 41:137
43:6 44:2 47:5 52:4 55:3 56:3
57:51 58:403 59:392 60:301 61:962 62:940
63:3380 64:3245 65:3729 66:3386 67:827 68:638
69:1863 70:519 71:105 72:1322 73:1 74:483
75:251 76:62 77:201 78:2 80:828 81:805
82:710 83:417 84:417 85:811 86:342 87:460
88:273 89:868 90:7 91:320 97:6 116:82
121:192 122:531 123:107 124:794 125:935 128:282
129:223 130:129 131:366 132:52 133:9 134:192
135:38 136:186 137:85 138:140 139:122 140:483
141:171 142:392 143:230 144:294 145:43 146:322
147:121 148:395 149:147 150:115 151:159 152:94
153:124 154:5 155:254 156:152 157:188 158:158
159:158 160:106 161:94 162:235 163:185 164:460
165:406 166:240 167:283 168:501 169:120 170:400
171:16 172:1 189:530 190:624 192:5831 193:3812
194:3160 195:2289 196:990 198:3853 199:3365 200:4784
201:1036 202:7351 203:7601 204:4111 205:2185 206:2576
207:3117 208:3349 209:3711 210:2450 211:1006 212:1370
213:1504 214:410 215:40 216:4206 217:1155 218:379
219:384 220:958 221:379 222:260
End of report
