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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 26 Apr, 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/2007/04/26/1100
Analysis Summary
----------------
BGP routing table entries examined: 203161
Prefixes after maximum aggregation: 109856
Deaggregation factor: 1.85
Unique aggregates announced to Internet: 99509
Total ASes present in the Internet Routing Table: 23503
Prefixes per ASN: 8.64
Origin-only ASes present in the Internet Routing Table: 20290
Origin ASes announcing only one prefix: 10040
Transit ASes present in the Internet Routing Table: 3213
Transit-only ASes present in the Internet Routing Table: 166
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 37
Max AS path prepend of ASN (31258) 21
Prefixes from unregistered ASNs in the Routing Table: 44
Unregistered ASNs in the Routing Table: 28
Prefixes from 32-bit ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1597346093
Equivalent to 95 /8s, 53 /16s and 145 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 112679
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 41656
Total APNIC prefixes after maximum aggregation: 17496
APNIC Deaggregation factor: 2.38
Prefixes being announced from the APNIC address blocks: 39284
Unique aggregates announced from the APNIC address blocks: 18668
APNIC Region origin ASes present in the Internet Routing Table: 2479
APNIC Prefixes per ASN: 15.85
APNIC Region origin ASes announcing only one prefix: 710
APNIC Region transit ASes present in the Internet Routing Table: 409
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 241836020
Equivalent to 14 /8s, 106 /16s and 31 /24s
Percentage of available APNIC address space announced: 59.9
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: 103481
Total ARIN prefixes after maximum aggregation: 58627
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 76748
Unique aggregates announced from the ARIN address blocks: 30656
ARIN Region origin ASes present in the Internet Routing Table: 10929
ARIN Prefixes per ASN: 7.02
ARIN Region origin ASes announcing only one prefix: 4295
ARIN Region transit ASes present in the Internet Routing Table: 1058
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 28
Number of ARIN addresses announced to Internet: 301798808
Equivalent to 17 /8s, 253 /16s and 21 /24s
Percentage of available ARIN address space announced: 66.6
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: 43257
Total RIPE prefixes after maximum aggregation: 28638
RIPE Deaggregation factor: 1.51
Prefixes being announced from the RIPE address blocks: 39964
Unique aggregates announced from the RIPE address blocks: 25066
RIPE Region origin ASes present in the Internet Routing Table: 9056
RIPE Prefixes per ASN: 4.41
RIPE Region origin ASes announcing only one prefix: 4760
RIPE Region transit ASes present in the Internet Routing Table: 1528
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 37
Number of RIPE addresses announced to Internet: 287316193
Equivalent to 17 /8s, 32 /16s and 24 /24s
Percentage of available RIPE address space announced: 71.4
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: 12371
Total LACNIC prefixes after maximum aggregation: 4073
LACNIC Deaggregation factor: 3.04
Prefixes being announced from the LACNIC address blocks: 10548
Unique aggregates announced from the LACNIC address blocks: 6466
LACNIC Region origin ASes present in the Internet Routing Table: 691
LACNIC Prefixes per ASN: 15.26
LACNIC Region origin ASes announcing only one prefix: 217
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 34962432
Equivalent to 2 /8s, 21 /16s and 124 /24s
Percentage of available LACNIC address space announced: 52.1
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: 2350
Total AfriNIC prefixes after maximum aggregation: 1016
AfriNIC Deaggregation factor: 2.31
Prefixes being announced from the AfriNIC address blocks: 1817
Unique aggregates announced from the AfriNIC address blocks: 1141
AfriNIC Region origin ASes present in the Internet Routing Table: 181
AfriNIC Prefixes per ASN: 10.04
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5844224
Equivalent to 0 /8s, 89 /16s and 45 /24s
Percentage of available AfriNIC address space announced: 17.4
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
4755 1198 382 70 Videsh Sanchar Nigam Ltd. Aut
4134 1141 9148 213 CHINANET-BACKBONE
9583 1055 75 428 Sify Limited
9498 975 469 75 BHARTI BT INTERNET LTD.
4766 782 4943 312 Korea Telecom (KIX)
23577 773 34 702 Korea Telecom (ATM-MPLS)
17488 666 43 36 Hathway IP Over Cable Interne
18101 529 116 26 Reliance Infocom Ltd Internet
7474 473 217 269 SingTel Optus Pty Ltd
4812 464 811 75 China Telecom (Shanghai)
9443 454 115 74 Primus Telecommunications
9942 426 60 197 COMindico Australia
17676 370 5251 56 Softbank BB Corp.
9829 358 274 14 BSNL National Internet Backbo
4837 344 4724 158 chinanet IDC center beijing n
2907 343 1765 314 SINET Japan
4808 328 668 111 CNCGROUP IP network: China169
4804 306 360 61 Microplex PTY LTD
9929 295 150 41 China Netcom Corp.
4780 293 290 37 Digital United Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 926 927 646 Telenor Internet Access
702 517 1925 411 UUNET - Commercial IP service
24863 342 47 30 LINKdotNET AS number
3301 311 1455 291 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
6746 274 95 251 Dynamic Network Technologies,
8220 263 461 253 COLT Telecommunications
680 256 2044 250 DFN-IP service G-WiN
3215 240 2256 92 France Telecom Transpac
1257 238 1180 171 SWIPnet Swedish IP Network
5089 230 1657 52 NTL Group Limited
3246 212 341 201 Song Networks
30890 205 17 95 SC Kappa Invexim SRL
3352 201 1799 33 Ibernet, Internet Access Netw
20858 196 34 4 EgyNet
8708 190 37 184 Romania Data Systems S.A.
3300 188 171 90 AUCS Communications Services
12479 183 578 6 Uni2 Autonomous System
2856 182 2319 142 BTnet UK Regional network
786 175 1793 175 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4867 6640 719 UUNET Technologies, Inc.
7018 1490 6118 981 AT&T WorldNet Services
2386 1129 565 759 AT&T Data Communications Serv
6478 1090 336 149 AT&T Worldnet Services
18566 998 267 42 Covad Communications
705 981 523 487 UUNET Technologies, Inc.
11492 975 102 41 Cable One
174 955 6792 867 Cogent Communications
6197 926 673 479 BellSouth Network Solutions,
20115 821 734 431 Charter Communications
1239 820 2725 575 Sprint
7046 795 263 650 UUNET Technologies, Inc.
209 729 3748 583 Qwest
19262 724 2539 179 Verizon Global Networks
577 639 777 202 Bell Advanced Communications
7011 628 201 427 Citizens Utilities
721 614 21756 273 DLA Systems Automation Center
852 610 1097 377 Telus Advanced Communications
5668 595 160 17 CenturyTel Internet Holdings,
4323 589 467 214 Time Warner Telecom
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1198 1128 Videsh Sanchar Nigam Ltd. Aut
18566 998 956 Covad Communications
6478 1090 941 AT&T Worldnet Services
11492 975 934 Cable One
4134 1141 928 CHINANET-BACKBONE
9498 975 900 BHARTI BT INTERNET LTD.
8151 1078 869 UniNet S.A. de C.V.
17488 666 630 Hathway IP Over Cable Interne
9583 1055 627 Sify Limited
5668 595 578 CenturyTel Internet Holdings,
19262 724 545 Verizon Global Networks
19916 568 517 OLM LLC
7018 1490 509 AT&T WorldNet Services
18101 529 503 Reliance Infocom Ltd Internet
855 568 497 Canadian Research Network
705 981 494 UUNET Technologies, Inc.
7029 575 494 Alltel Information Services,
15270 527 492 PaeTec.net -a division of Pae
4766 782 470 Korea Telecom (KIX)
11830 483 464 Instituto Costarricense de El
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
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
64518 PRIVATE 125.18.63.0/24 7633 Software Technology
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65027 PRIVATE 135.196.97.168/29 8190 VIATEL
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
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc.
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
65313 PRIVATE 203.184.140.0/24 9304 Hutchison Telecom (H
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
64512 PRIVATE 208.103.63.0/24 32703 Indiana Fiber Networ
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
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
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
223.0.0.0/8 2905 The Internetworking Company o
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:9 /10:12 /11:31 /12:114
/13:227 /14:398 /15:806 /16:8556 /17:3503 /18:5791
/19:12158 /20:13868 /21:12420 /22:16271 /23:17950 /24:107424
/25:1021 /26:1130 /27:605 /28:185 /29:163 /30:414
/31:0 /32:85
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3647 4867 UUNET Technologies, Inc.
6478 1081 1090 AT&T Worldnet Services
18566 983 998 Covad Communications
11492 962 975 Cable One
9583 900 1055 Sify Limited
2119 827 926 Telenor Internet Access
2386 825 1129 AT&T Data Communications Serv
7018 803 1490 AT&T WorldNet Services
23577 771 773 Korea Telecom (ATM-MPLS)
6197 717 926 BellSouth Network Solutions,
9498 638 975 BHARTI BT INTERNET LTD.
705 631 981 UUNET Technologies, Inc.
4755 592 1198 Videsh Sanchar Nigam Ltd. Aut
4766 588 782 Korea Telecom (KIX)
19916 563 568 OLM LLC
7011 557 628 Citizens Utilities
7046 545 795 UUNET Technologies, Inc.
15270 494 527 PaeTec.net -a division of Pae
17488 487 666 Hathway IP Over Cable Interne
855 466 568 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:72 9:5 10:1 12:1740
15:19 16:3 17:3 18:8 20:37 24:914
25:1 32:173 38:296 40:57 41:108 43:6
44:2 47:4 52:4 55:2 56:3 57:44
58:341 59:365 60:266 61:914 62:967 63:3336
64:3129 65:3606 66:3172 67:786 68:627 69:1667
70:464 71:102 72:1191 74:402 75:257 76:37
77:102 80:814 81:692 82:604 83:377 84:407
85:753 86:349 87:423 88:241 89:800 90:22
91:241 97:6 116:42 121:155 122:511 123:77
124:566 125:913 128:265 129:216 130:121 131:347
132:44 133:10 134:166 135:36 136:179 137:80
138:182 139:106 140:472 141:138 142:390 143:209
144:279 145:41 146:305 147:140 148:383 149:141
150:104 151:123 152:93 153:121 154:5 155:232
156:112 157:180 158:153 159:146 160:101 161:78
162:230 163:98 164:429 165:238 166:225 167:266
168:419 169:119 170:257 171:11 172:1 189:294
190:444 192:5327 193:3533 194:2925 195:2105 196:893
198:3460 199:2992 200:3689 201:758 202:5084 203:5182
204:3548 205:2002 206:2178 207:2582 208:2859 209:2915
210:2176 211:902 212:1184 213:1431 214:402 215:41
216:4064 217:1053 218:352 219:360 220:929 221:375
222:158
End of report
