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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 05 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/2007/05/05/1100
Analysis Summary
----------------
BGP routing table entries examined: 229582
Prefixes after maximum aggregation: 119387
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 106695
Total ASes present in the Internet Routing Table: 25206
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 21880
Origin ASes announcing only one prefix: 10591
Transit ASes present in the Internet Routing Table: 3326
Transit-only ASes present in the Internet Routing Table: 82
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 22
Max AS path prepend of ASN (17697) 13
Prefixes from unregistered ASNs in the Routing Table: 49
Unregistered ASNs in the Routing Table: 32
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1716261356
Equivalent to 102 /8s, 76 /16s and 17 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 62.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 122747
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51747
Total APNIC prefixes after maximum aggregation: 20459
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 48614
Unique aggregates announced from the APNIC address blocks: 21215
APNIC Region origin ASes present in the Internet Routing Table: 2946
APNIC Prefixes per ASN: 16.50
APNIC Region origin ASes announcing only one prefix: 782
APNIC Region transit ASes present in the Internet Routing Table: 453
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 292754796
Equivalent to 17 /8s, 115 /16s and 21 /24s
Percentage of available APNIC address space announced: 72.5
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: 113260
Total ARIN prefixes after maximum aggregation: 63372
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84345
Unique aggregates announced from the ARIN address blocks: 30480
ARIN Region origin ASes present in the Internet Routing Table: 11584
ARIN Prefixes per ASN: 7.28
ARIN Region origin ASes announcing only one prefix: 4444
ARIN Region transit ASes present in the Internet Routing Table: 1101
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 332005600
Equivalent to 19 /8s, 202 /16s and 0 /24s
Percentage of available ARIN address space announced: 73.3
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: 46947
Total RIPE prefixes after maximum aggregation: 30387
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 43592
Unique aggregates announced from the RIPE address blocks: 28013
RIPE Region origin ASes present in the Internet Routing Table: 9616
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5054
RIPE Region transit ASes present in the Internet Routing Table: 1556
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 304946752
Equivalent to 18 /8s, 45 /16s and 30 /24s
Percentage of available RIPE address space announced: 75.7
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: 14892
Total LACNIC prefixes after maximum aggregation: 4123
LACNIC Deaggregation factor: 3.61
Prefixes being announced from the LACNIC address blocks: 12972
Unique aggregates announced from the LACNIC address blocks: 7165
LACNIC Region origin ASes present in the Internet Routing Table: 786
LACNIC Prefixes per ASN: 16.50
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 144
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38427904
Equivalent to 2 /8s, 74 /16s and 93 /24s
Percentage of available LACNIC address space announced: 57.3
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: 2684
Total AfriNIC prefixes after maximum aggregation: 1036
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 2034
Unique aggregates announced from the AfriNIC address blocks: 1194
AfriNIC Region origin ASes present in the Internet Routing Table: 191
AfriNIC Prefixes per ASN: 10.65
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6073344
Equivalent to 0 /8s, 92 /16s and 172 /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 1281 9587 275 CHINANET-BACKBONE
4755 1206 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1107 79 386 Sify Limited
9498 974 469 73 BHARTI BT INTERNET LTD.
23577 928 35 823 Korea Telecom (ATM-MPLS)
4766 784 4943 312 Korea Telecom (KIX)
17488 672 44 34 Hathway IP Over Cable Interne
7545 626 142 79 TPG Internet Pty Ltd
1221 583 1954 434 Telstra Pty Ltd
18101 534 116 27 Reliance Infocom Ltd Internet
4668 507 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 483 217 269 SingTel Optus Pty Ltd
4812 466 799 75 China Telecom (Shanghai)
9443 454 115 75 Primus Telecommunications
9942 444 77 117 COMindico Australia
4802 360 86 147 Wantree Development
17557 360 35 170 Pakistan Telecom
9829 355 274 11 BSNL National Internet Backbo
4837 346 4725 160 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 911 913 651 Telenor Internet Access
702 520 1925 414 UUNET - Commercial IP service
24863 343 47 29 LINKdotNET AS number
3301 311 1455 291 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
6746 275 128 252 Dynamic Network Technologies,
5089 271 1658 53 NTL Group Limited
8220 260 461 251 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 240 2256 92 France Telecom Transpac
8708 236 287 229 Romania Data Systems S.A.
1257 235 1180 168 SWIPnet Swedish IP Network
3352 224 1799 33 Ibernet, Internet Access Netw
3269 214 2583 73 TELECOM ITALIA
3246 212 341 198 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 95 SC Kappa Invexim SRL
20858 196 34 4 EgyNet
3300 193 171 92 AUCS Communications Services
9116 189 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4937 6659 725 UUNET Technologies, Inc.
7018 1511 10228 999 AT&T WorldNet Services
4323 1262 1023 361 Time Warner Telecom
2386 1135 580 756 AT&T Data Communications Serv
6478 1093 338 133 AT&T Worldnet Services
11492 1049 103 20 Cable One
6197 1031 687 504 BellSouth Network Solutions,
18566 1001 288 9 Covad Communications
174 956 6727 864 Cogent Communications
705 920 513 437 UUNET Technologies, Inc.
20115 822 738 430 Charter Communications
1239 804 2700 569 Sprint
7011 790 226 471 Citizens Utilities
7046 787 263 649 UUNET Technologies, Inc.
19262 766 2580 206 Verizon Global Networks
209 732 3846 583 Qwest
22773 709 1872 42 Cox Communications, Inc.
577 643 777 204 Bell Advanced Communications
852 603 1080 370 Telus Advanced Communications
721 600 21739 270 DLA Systems Automation Center
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1206 1134 Videsh Sanchar Nigam Ltd. Aut
11492 1049 1029 Cable One
4134 1281 1006 CHINANET-BACKBONE
18566 1001 992 Covad Communications
6478 1093 960 AT&T Worldnet Services
8151 1150 954 UniNet S.A. de C.V.
4323 1262 901 Time Warner Telecom
9498 974 901 BHARTI BT INTERNET LTD.
9583 1107 721 Sify Limited
22773 709 667 Cox Communications, Inc.
17488 672 638 Hathway IP Over Cable Interne
5668 600 583 CenturyTel Internet Holdings,
19262 766 560 Verizon Global Networks
7545 626 547 TPG Internet Pty Ltd
6197 1031 527 BellSouth Network Solutions,
19916 568 517 OLM LLC
7018 1511 512 AT&T WorldNet Services
18101 534 507 Reliance Infocom Ltd Internet
7029 579 501 Alltel Information Services,
855 563 497 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
65075 PRIVATE 65.127.220.0/23 10886 University of Maryla
65500 PRIVATE 66.225.141.0/24 16796 RealtyIQ.com
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65027 PRIVATE 135.196.97.168/29 8190 VIATEL
65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet
65500 PRIVATE 192.239.84.0/24 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
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65000 PRIVATE 199.133.62.0/24 10886 University of Maryla
65000 PRIVATE 199.133.63.0/24 10886 University of Maryla
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
65534 PRIVATE 203.222.150.0/24 4817 Techex Primary Netbl
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
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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
2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi
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
192.153.136.0/21 721 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 /10:13 /11:34 /12:126
/13:249 /14:452 /15:871 /16:9408 /17:3902 /18:6487
/19:13583 /20:15553 /21:14088 /22:18530 /23:19979 /24:122564
/25:996 /26:1112 /27:576 /28:255 /29:200 /30:466
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3698 4937 UUNET Technologies, Inc.
6478 1084 1093 AT&T Worldnet Services
11492 1035 1049 Cable One
18566 983 1001 Covad Communications
9583 945 1107 Sify Limited
23577 914 928 Korea Telecom (ATM-MPLS)
2386 831 1135 AT&T Data Communications Serv
7018 812 1511 AT&T WorldNet Services
2119 810 911 Telenor Internet Access
6197 792 1031 BellSouth Network Solutions,
7011 693 790 Citizens Utilities
9498 638 974 BHARTI BT INTERNET LTD.
4755 600 1206 Videsh Sanchar Nigam Ltd. Aut
705 592 920 UUNET Technologies, Inc.
4766 590 784 Korea Telecom (KIX)
19916 563 568 OLM LLC
8151 553 1150 UniNet S.A. de C.V.
7046 538 787 UUNET Technologies, Inc.
4323 520 1262 Time Warner Telecom
4668 496 507 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 7:1 8:80 9:3 10:1
12:1826 15:19 16:3 17:3 18:8 20:37
24:929 25:1 32:174 38:305 40:60 41:129
43:6 44:2 47:4 52:4 55:2 56:3
57:53 58:396 59:371 60:275 61:931 62:1024
63:3389 64:3182 65:3711 66:3363 67:819 68:635
69:1843 70:504 71:103 72:1315 73:1 74:441
75:260 76:45 77:145 80:871 81:823 82:725
83:403 84:435 85:803 86:360 87:459 88:264
89:852 90:7 91:276 97:6 116:56 121:177
122:518 123:97 124:799 125:926 128:279 129:220
130:123 131:350 132:52 133:11 134:193 135:39
136:183 137:83 138:197 139:117 140:481 141:164
142:395 143:239 144:288 145:43 146:323 147:148
148:397 149:145 150:115 151:158 152:94 153:120
154:5 155:252 156:155 157:187 158:161 159:156
160:105 161:92 162:235 163:176 164:461 165:406
166:234 167:279 168:493 169:119 170:400 171:16
172:1 189:396 190:601 192:5824 193:3822 194:3143
195:2289 196:1003 198:3878 199:3384 200:4734 201:941
202:7301 203:7524 204:4096 205:2213 206:2574 207:3132
208:3331 209:3735 210:2492 211:984 212:1361 213:1507
214:405 215:41 216:4172 217:1141 218:375 219:361
220:960 221:412 222:269
End of report
