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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 24 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/2007/05/24
Analysis Summary
----------------
BGP routing table entries examined: 231351
Prefixes after maximum aggregation: 119921
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 107510
Total ASes present in the Internet Routing Table: 25337
Prefixes per ASN: 9.13
Origin-only ASes present in the Internet Routing Table: 21979
Origin ASes announcing only one prefix: 10656
Transit ASes present in the Internet Routing Table: 3358
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 26
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 46
Unregistered ASNs in the Routing Table: 28
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1721165676
Equivalent to 102 /8s, 150 /16s and 231 /24s
Percentage of available address space announced: 46.4
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 123946
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 52191
Total APNIC prefixes after maximum aggregation: 20532
APNIC Deaggregation factor: 2.54
Prefixes being announced from the APNIC address blocks: 49071
Unique aggregates announced from the APNIC address blocks: 21274
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: 792
APNIC Region transit ASes present in the Internet Routing Table: 455
Average APNIC Region AS path length visible: 6.2
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 293568316
Equivalent to 17 /8s, 127 /16s and 127 /24s
Percentage of available APNIC address space announced: 72.7
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: 113751
Total ARIN prefixes after maximum aggregation: 63538
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84869
Unique aggregates announced from the ARIN address blocks: 30811
ARIN Region origin ASes present in the Internet Routing Table: 11610
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4460
ARIN Region transit ASes present in the Internet Routing Table: 1108
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 333985248
Equivalent to 19 /8s, 232 /16s and 53 /24s
Percentage of available ARIN address space announced: 73.7
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: 47374
Total RIPE prefixes after maximum aggregation: 30638
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43978
Unique aggregates announced from the RIPE address blocks: 28248
RIPE Region origin ASes present in the Internet Routing Table: 9702
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5089
RIPE Region transit ASes present in the Internet Routing Table: 1582
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 306702848
Equivalent to 18 /8s, 71 /16s and 234 /24s
Percentage of available RIPE address space announced: 76.2
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: 15308
Total LACNIC prefixes after maximum aggregation: 4171
LACNIC Deaggregation factor: 3.67
Prefixes being announced from the LACNIC address blocks: 13379
Unique aggregates announced from the LACNIC address blocks: 7304
LACNIC Region origin ASes present in the Internet Routing Table: 797
LACNIC Prefixes per ASN: 16.79
LACNIC Region origin ASes announcing only one prefix: 257
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 6.4
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 38880000
Equivalent to 2 /8s, 81 /16s and 67 /24s
Percentage of available LACNIC address space announced: 57.9
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: 2676
Total AfriNIC prefixes after maximum aggregation: 1030
AfriNIC Deaggregation factor: 2.60
Prefixes being announced from the AfriNIC address blocks: 2042
Unique aggregates announced from the AfriNIC address blocks: 1184
AfriNIC Region origin ASes present in the Internet Routing Table: 190
AfriNIC Prefixes per ASN: 10.75
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 5.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 6124288
Equivalent to 0 /8s, 93 /16s and 115 /24s
Percentage of available AfriNIC address space announced: 18.3
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
4134 1283 9694 276 CHINANET-BACKBONE
4755 1223 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1105 79 379 Sify Limited
9498 980 469 71 BHARTI BT INTERNET LTD.
23577 922 35 820 Korea Telecom (ATM-MPLS)
4766 783 4943 312 Korea Telecom (KIX)
17488 691 45 36 Hathway IP Over Cable Interne
7545 645 142 79 TPG Internet Pty Ltd
1221 593 1954 436 Telstra Pty Ltd
18101 546 116 36 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 482 218 270 SingTel Optus Pty Ltd
4812 459 807 76 China Telecom (Shanghai)
9443 456 115 75 Primus Telecommunications
9942 446 77 118 COMindico Australia
4802 409 86 146 Wantree Development
9829 362 258 14 BSNL National Internet Backbo
17557 357 37 167 Pakistan Telecom
4837 342 4693 157 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 953 912 652 Telenor Internet Access
702 519 1939 412 UUNET - Commercial IP service
24863 344 47 31 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
5089 295 1658 53 NTL Group Limited
6746 278 128 254 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 250 459 240 COLT Telecommunications
3215 243 2276 95 France Telecom Transpac
1257 237 1180 170 SWIPnet Swedish IP Network
8708 233 287 227 Romania Data Systems S.A.
3269 216 2647 74 TELECOM ITALIA
8551 208 197 27 Bezeq International
3246 206 337 192 Song Networks
3352 202 1799 36 Ibernet, Internet Access Netw
9116 197 136 25 Goldenlines main autonomous s
3300 190 171 90 AUCS Communications Services
2856 187 2318 146 BTnet UK Regional network
12479 182 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4986 6611 725 UUNET Technologies, Inc.
7018 1512 6171 993 AT&T WorldNet Services
4323 1267 1032 362 Time Warner Telecom
2386 1150 596 757 AT&T Data Communications Serv
6478 1097 342 125 AT&T Worldnet Services
11492 1071 104 24 Cable One
6197 1036 705 516 BellSouth Network Solutions,
18566 1009 288 9 Covad Communications
174 953 6791 862 Cogent Communications
705 839 492 375 UUNET Technologies, Inc.
1239 819 2716 581 Sprint
20115 806 724 433 Charter Communications
7011 798 227 475 Citizens Utilities
7046 783 264 645 UUNET Technologies, Inc.
19262 773 2644 206 Verizon Global Networks
209 744 3848 584 Qwest
22773 718 1892 44 Cox Communications, Inc.
577 650 793 205 Bell Advanced Communications
852 606 1098 372 Telus Advanced Communications
5668 598 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1223 1151 Videsh Sanchar Nigam Ltd. Aut
8151 1287 1079 UniNet S.A. de C.V.
11492 1071 1047 Cable One
4134 1283 1007 CHINANET-BACKBONE
18566 1009 1000 Covad Communications
6478 1097 972 AT&T Worldnet Services
9498 980 909 BHARTI BT INTERNET LTD.
4323 1267 905 Time Warner Telecom
9583 1105 726 Sify Limited
22773 718 674 Cox Communications, Inc.
17488 691 655 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 1036 520 BellSouth Network Solutions,
7018 1512 519 AT&T WorldNet Services
19916 568 517 OLM LLC
18101 546 510 Reliance Infocom Ltd Internet
7029 589 509 Alltel Information Services,
15270 535 500 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
65000 PRIVATE 208.75.25.0/24 14960 Data Pro Accounting
65000 PRIVATE 208.75.26.0/24 14960 Data Pro Accounting
65000 PRIVATE 208.75.28.0/24 14960 Data Pro Accounting
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 *
10.230.0.0/16 8075 Microsoft Corporation
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 /8:19 /9:9 /10:14 /11:35 /12:125
/13:249 /14:452 /15:876 /16:9430 /17:3943 /18:6489
/19:13633 /20:15693 /21:14221 /22:18794 /23:20205 /24:123448
/25:1003 /26:1122 /27:561 /28:258 /29:189 /30:471
/31:0 /32:112
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3736 4986 UUNET Technologies, Inc.
6478 1088 1097 AT&T Worldnet Services
11492 1057 1071 Cable One
18566 991 1009 Covad Communications
9583 945 1105 Sify Limited
23577 908 922 Korea Telecom (ATM-MPLS)
2119 855 953 Telenor Internet Access
2386 845 1150 AT&T Data Communications Serv
7018 811 1512 AT&T WorldNet Services
6197 792 1036 BellSouth Network Solutions,
7011 699 798 Citizens Utilities
8151 671 1287 UniNet S.A. de C.V.
9498 651 980 BHARTI BT INTERNET LTD.
4755 618 1223 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
705 547 839 UUNET Technologies, Inc.
7046 537 783 UUNET Technologies, Inc.
4323 526 1267 Time Warner Telecom
17488 512 691 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 38:313 40:61 41:129
43:6 44:2 47:5 52:4 55:3 56:3
57:52 58:403 59:391 60:298 61:941 62:948
63:3395 64:3241 65:3729 66:3386 67:827 68:637
69:1852 70:522 71:105 72:1330 73:1 74:482
75:263 76:59 77:207 78:2 80:828 81:811
82:706 83:413 84:421 85:806 86:346 87:466
88:273 89:859 90:7 91:314 97:6 116:80
121:192 122:531 123:107 124:809 125:934 128:282
129:223 130:129 131:365 132:52 133:10 134:192
135:38 136:185 137:85 138:140 139:122 140:480
141:170 142:392 143:233 144:292 145:43 146:320
147:121 148:394 149:145 150:115 151:159 152:94
153:123 154:5 155:254 156:151 157:188 158:159
159:157 160:106 161:94 162:236 163:185 164:461
165:405 166:239 167:283 168:501 169:120 170:401
171:16 172:1 189:515 190:621 192:5832 193:3868
194:3166 195:2297 196:1006 198:3863 199:3384 200:4778
201:1033 202:7365 203:7609 204:4104 205:2188 206:2570
207:3125 208:3352 209:3720 210:2485 211:1008 212:1377
213:1517 214:407 215:40 216:4207 217:1155 218:379
219:368 220:961 221:407 222:260
End of report
