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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 24 Oct, 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/2007/10/24
Analysis Summary
----------------
BGP routing table entries examined: 242169
Prefixes after maximum aggregation: 122505
Deaggregation factor: 1.98
Unique aggregates announced to Internet: 113919
Total ASes present in the Internet Routing Table: 26617
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 23058
Origin ASes announcing only one prefix: 11257
Transit ASes present in the Internet Routing Table: 3559
Transit-only ASes present in the Internet Routing Table: 90
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 28
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 51
Unregistered ASNs in the Routing Table: 17
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: 10
Number of addresses announced to Internet: 1798722236
Equivalent to 107 /8s, 54 /16s and 82 /24s
Percentage of available address space announced: 48.5
Percentage of allocated address space announced: 62.8
Percentage of available address space allocated: 77.3
Total number of prefixes smaller than registry allocations: 112525
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 58278
Total APNIC prefixes after maximum aggregation: 20903
APNIC Deaggregation factor: 2.79
Prefixes being announced from the APNIC address blocks: 55108
Unique aggregates announced from the APNIC address blocks: 21898
APNIC Region origin ASes present in the Internet Routing Table: 3089
APNIC Prefixes per ASN: 17.84
APNIC Region origin ASes announcing only one prefix: 808
APNIC Region transit ASes present in the Internet Routing Table: 488
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 322262740
Equivalent to 19 /8s, 53 /16s and 86 /24s
Percentage of available APNIC address space announced: 79.8
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: 112759
Total ARIN prefixes after maximum aggregation: 64085
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 83181
Unique aggregates announced from the ARIN address blocks: 32474
ARIN Region origin ASes present in the Internet Routing Table: 11916
ARIN Prefixes per ASN: 6.98
ARIN Region origin ASes announcing only one prefix: 4572
ARIN Region transit ASes present in the Internet Routing Table: 1146
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 349575456
Equivalent to 20 /8s, 214 /16s and 25 /24s
Percentage of available ARIN address space announced: 77.2
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: 50721
Total RIPE prefixes after maximum aggregation: 31865
RIPE Deaggregation factor: 1.59
Prefixes being announced from the RIPE address blocks: 47197
Unique aggregates announced from the RIPE address blocks: 30446
RIPE Region origin ASes present in the Internet Routing Table: 10436
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 5529
RIPE Region transit ASes present in the Internet Routing Table: 1671
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 333946528
Equivalent to 19 /8s, 231 /16s and 158 /24s
Percentage of available RIPE address space announced: 76.6
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
40960-45055
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: 17537
Total LACNIC prefixes after maximum aggregation: 4569
LACNIC Deaggregation factor: 3.84
Prefixes being announced from the LACNIC address blocks: 15502
Unique aggregates announced from the LACNIC address blocks: 8647
LACNIC Region origin ASes present in the Internet Routing Table: 873
LACNIC Prefixes per ASN: 17.76
LACNIC Region origin ASes announcing only one prefix: 280
LACNIC Region transit ASes present in the Internet Routing Table: 154
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 44720640
Equivalent to 2 /8s, 170 /16s and 98 /24s
Percentage of available LACNIC address space announced: 44.4
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2816
Total AfriNIC prefixes after maximum aggregation: 1069
AfriNIC Deaggregation factor: 2.63
Prefixes being announced from the AfriNIC address blocks: 2389
Unique aggregates announced from the AfriNIC address blocks: 1384
AfriNIC Region origin ASes present in the Internet Routing Table: 212
AfriNIC Prefixes per ASN: 11.27
AfriNIC Region origin ASes announcing only one prefix: 68
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC addresses announced to Internet: 7616256
Equivalent to 0 /8s, 116 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 22.7
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
4538 2767 2974 36 China Education and Research
4755 1473 383 67 Videsh Sanchar Nigam Ltd. Aut
9583 1128 108 15 Sify Limited
4134 1099 11539 299 CHINANET-BACKBONE
9498 1003 550 67 BHARTI BT INTERNET LTD.
23577 924 34 791 Korea Telecom (ATM-MPLS)
17488 850 55 63 Hathway IP Over Cable Interne
4766 808 5441 320 Korea Telecom (KIX)
7545 729 159 119 TPG Internet Pty Ltd
18101 607 119 52 Reliance Infocom Ltd Internet
1221 594 1951 438 Telstra Pty Ltd
9829 531 1313 10 BSNL National Internet Backbo
4812 523 858 76 China Telecom (Shanghai)
4668 518 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
4808 490 789 117 CNCGROUP IP network: China169
4802 487 133 141 Wantree Development
7474 455 202 267 SingTel Optus Pty Ltd
9443 441 121 73 Primus Telecommunications
9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 472 1904 385 UUNET - Commercial IP service
24863 373 58 37 LINKdotNET AS number
8551 349 334 33 Bezeq International
9116 338 168 28 Goldenlines main autonomous s
3301 316 1441 293 TeliaNet Sweden
3320 315 6035 262 Deutsche Telekom AG
6746 279 130 255 Dynamic Network Technologies,
1273 277 306 104 Cable & Wireless Deutschland
8708 271 421 243 Romania Data Systems S.A.
680 269 2045 257 DFN-IP service G-WiN
8866 266 62 24 Bulgarian Telecommunication C
3215 263 2488 99 France Telecom Transpac
8220 253 440 234 COLT Telecommunications
5089 236 1658 54 NTL Group Limited
3352 232 1916 40 Ibernet, Internet Access Netw
3269 227 2933 74 TELECOM ITALIA
9121 213 1442 25 TTnet Autonomous System
3300 210 172 99 AUCS Communications Services
1257 207 1194 176 SWIPnet Swedish IP Network
3246 198 257 185 Song Networks
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1497 10253 999 AT&T WorldNet Services
4323 1347 1006 358 Time Warner Telecom
2386 1238 628 749 AT&T Data Communications Serv
11492 1156 116 32 Cable One
6478 1108 327 206 AT&T Worldnet Services
6197 1031 718 513 BellSouth Network Solutions,
18566 1028 288 9 Covad Communications
174 988 6786 842 Cogent Communications
7011 955 288 560 Citizens Utilities
701 878 6575 689 UUNET Technologies, Inc.
20115 837 765 447 Charter Communications
3561 832 2327 390 Savvis
1239 803 2722 560 Sprint
22773 797 2133 54 Cox Communications, Inc.
19262 786 2831 177 Verizon Global Networks
209 746 3777 587 Qwest
3356 739 10890 391 Level 3 Communications, LLC
577 716 845 205 Bell Advanced Communications
5668 661 176 17 CenturyTel Internet Holdings,
852 596 1107 362 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1473 1406 Videsh Sanchar Nigam Ltd. Aut
11492 1156 1124 Cable One
9583 1128 1113 Sify Limited
18566 1028 1019 Covad Communications
4323 1347 989 Time Warner Telecom
9498 1003 936 BHARTI BT INTERNET LTD.
6478 1108 902 AT&T Worldnet Services
8151 1052 841 UniNet S.A. de C.V.
4134 1099 800 CHINANET-BACKBONE
17488 850 787 Hathway IP Over Cable Interne
22773 797 743 Cox Communications, Inc.
5668 661 644 CenturyTel Internet Holdings,
7545 729 610 TPG Internet Pty Ltd
19262 786 609 Verizon Global Networks
18101 607 555 Reliance Infocom Ltd Internet
15270 594 555 PaeTec.net -a division of Pae
6517 591 554 Yipes Communications, Inc.
19916 569 522 OLM LLC
9829 531 521 BSNL National Internet Backbo
6197 1031 518 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L
64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network
64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network
64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L
64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 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
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw
65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw
65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw
65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw
65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw
65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
172.31.46.0/24 38416 KRNIC
192.0.2.0/24 2854 RoSprint AS (Global One Russi
192.168.253.0/24 4323 Time Warner Telecom
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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 /10:16 /11:38 /12:135
/13:273 /14:484 /15:953 /16:9801 /17:4244 /18:6812
/19:14751 /20:17662 /21:15799 /22:20211 /23:21115 /24:126403
/25:896 /26:1126 /27:623 /28:270 /29:194 /30:264
/31:0 /32:71
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1148 1156 Cable One
6478 1107 1108 AT&T Worldnet Services
18566 1010 1028 Covad Communications
9583 963 1128 Sify Limited
4538 931 2767 China Education and Research
2386 928 1238 AT&T Data Communications Serv
23577 915 924 Korea Telecom (ATM-MPLS)
7011 842 955 Citizens Utilities
4755 841 1473 Videsh Sanchar Nigam Ltd. Aut
7018 817 1497 AT&T WorldNet Services
6197 775 1031 BellSouth Network Solutions,
9498 690 1003 BHARTI BT INTERNET LTD.
17488 673 850 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
4323 568 1347 Time Warner Telecom
19916 564 569 OLM LLC
15270 557 594 PaeTec.net -a division of Pae
6517 545 591 Yipes Communications, Inc.
5668 520 661 CenturyTel Internet Holdings,
4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:84 12:1808 13:1 15:19 16:3
17:5 18:13 20:36 24:999 25:1 32:177
33:3 38:356 40:64 41:343 43:6 44:2
45:1 47:8 52:3 55:3 56:3 57:42
58:502 59:425 60:379 61:986 62:986 63:1999
64:3379 65:2427 66:3614 67:844 68:674 69:1991
70:478 71:118 72:1397 73:6 74:730 75:318
76:153 77:404 78:246 79:1 80:867 81:798
82:600 83:365 84:622 85:836 86:350 87:580
88:291 89:1053 90:38 91:680 92:3 96:1
97:6 98:7 116:418 117:204 118:39 121:321
122:616 123:203 124:699 125:1038 128:274 129:196
130:134 131:369 132:61 133:9 134:194 135:34
136:188 137:86 138:157 139:108 140:505 141:151
142:381 143:252 144:317 145:46 146:327 147:130
148:529 149:189 150:114 151:137 152:92 153:121
154:12 155:261 156:161 157:224 158:160 159:199
160:140 161:101 162:185 163:184 164:500 165:400
166:302 167:307 168:499 169:126 170:399 171:22
172:3 189:101 190:1173 192:5752 193:4014 194:3292
195:2569 196:999 198:3885 199:3235 200:5249 201:1237
202:7798 203:7856 204:4018 205:2024 206:2487 207:2886
208:2930 209:3624 210:2772 211:1208 212:1365 213:1537
214:416 215:44 216:4166 217:1234 218:386 219:458
220:999 221:416 222:307
End of report
