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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 08 Sep, 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/2007/09/08
Analysis Summary
----------------
BGP routing table entries examined: 236040
Prefixes after maximum aggregation: 121257
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 112177
Total ASes present in the Internet Routing Table: 26180
Prefixes per ASN: 9.02
Origin-only ASes present in the Internet Routing Table: 22734
Origin ASes announcing only one prefix: 11035
Transit ASes present in the Internet Routing Table: 3446
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 25
Max AS path prepend of ASN (43329) 20
Prefixes from unregistered ASNs in the Routing Table: 27
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: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1758774916
Equivalent to 104 /8s, 212 /16s and 198 /24s
Percentage of available address space announced: 47.5
Percentage of allocated address space announced: 62.1
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125609
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 56285
Total APNIC prefixes after maximum aggregation: 21127
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 53123
Unique aggregates announced from the APNIC address blocks: 22520
APNIC Region origin ASes present in the Internet Routing Table: 3056
APNIC Prefixes per ASN: 17.38
APNIC Region origin ASes announcing only one prefix: 803
APNIC Region transit ASes present in the Internet Routing Table: 469
Average APNIC Region AS path length visible: 5.9
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 313638068
Equivalent to 18 /8s, 177 /16s and 188 /24s
Percentage of available APNIC address space announced: 77.7
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: 110853
Total ARIN prefixes after maximum aggregation: 63488
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81388
Unique aggregates announced from the ARIN address blocks: 31929
ARIN Region origin ASes present in the Internet Routing Table: 11797
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4488
ARIN Region transit ASes present in the Internet Routing Table: 1125
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 344029280
Equivalent to 20 /8s, 129 /16s and 120 /24s
Percentage of available ARIN address space announced: 75.9
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: 49286
Total RIPE prefixes after maximum aggregation: 31118
RIPE Deaggregation factor: 1.58
Prefixes being announced from the RIPE address blocks: 45748
Unique aggregates announced from the RIPE address blocks: 29635
RIPE Region origin ASes present in the Internet Routing Table: 10181
RIPE Prefixes per ASN: 4.49
RIPE Region origin ASes announcing only one prefix: 5397
RIPE Region transit ASes present in the Internet Routing Table: 1631
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 326862656
Equivalent to 19 /8s, 123 /16s and 135 /24s
Percentage of available RIPE address space announced: 74.9
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16740
Total LACNIC prefixes after maximum aggregation: 4456
LACNIC Deaggregation factor: 3.76
Prefixes being announced from the LACNIC address blocks: 14861
Unique aggregates announced from the LACNIC address blocks: 7850
LACNIC Region origin ASes present in the Internet Routing Table: 861
LACNIC Prefixes per ASN: 17.26
LACNIC Region origin ASes announcing only one prefix: 278
LACNIC Region transit ASes present in the Internet Routing Table: 145
Average LACNIC Region AS path length visible: 6.3
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 42194176
Equivalent to 2 /8s, 131 /16s and 213 /24s
Percentage of available LACNIC address space announced: 62.9
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: 2843
Total AfriNIC prefixes after maximum aggregation: 1054
AfriNIC Deaggregation factor: 2.70
Prefixes being announced from the AfriNIC address blocks: 2372
Unique aggregates announced from the AfriNIC address blocks: 1332
AfriNIC Region origin ASes present in the Internet Routing Table: 206
AfriNIC Prefixes per ASN: 11.51
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 7462912
Equivalent to 0 /8s, 113 /16s and 224 /24s
Percentage of available AfriNIC address space announced: 22.2
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 1941 2974 36 China Education and Research
4755 1353 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1115 80 411 Sify Limited
4134 1076 11228 293 CHINANET-BACKBONE
9498 997 532 63 BHARTI BT INTERNET LTD.
23577 925 34 796 Korea Telecom (ATM-MPLS)
4766 808 5441 320 Korea Telecom (KIX)
17488 795 52 61 Hathway IP Over Cable Interne
7545 726 159 118 TPG Internet Pty Ltd
18101 596 119 51 Reliance Infocom Ltd Internet
1221 580 1950 431 Telstra Pty Ltd
4812 550 971 98 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 502 10903 63 Softbank BB Corp.
9443 469 122 78 Primus Telecommunications
4808 465 776 114 CNCGROUP IP network: China169
7474 452 216 267 SingTel Optus Pty Ltd
4802 440 117 154 Wantree Development
9942 438 74 111 COMindico Australia
17974 376 130 13 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 492 1923 394 UUNET - Commercial IP service
24863 366 57 39 LINKdotNET AS number
8551 351 334 33 Bezeq International
9116 349 168 26 Goldenlines main autonomous s
5089 322 1658 54 NTL Group Limited
3301 314 1456 294 TeliaNet Sweden
3320 314 6035 261 Deutsche Telekom AG
6746 289 130 265 Dynamic Network Technologies,
1273 287 306 105 Cable & Wireless Deutschland
680 267 2045 257 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
3215 258 2424 98 France Telecom Transpac
8220 255 444 237 COLT Telecommunications
3352 227 1865 38 Ibernet, Internet Access Netw
3269 223 2839 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
1257 205 1195 170 SWIPnet Swedish IP Network
3300 202 172 96 AUCS Communications Services
3292 196 1379 176 TDC Tele Danmark
2856 193 2318 153 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1483 10178 996 AT&T WorldNet Services
4323 1316 991 369 Time Warner Telecom
2386 1212 621 743 AT&T Data Communications Serv
11492 1145 112 15 Cable One
6478 1132 325 169 AT&T Worldnet Services
6197 1033 718 509 BellSouth Network Solutions,
18566 1023 288 9 Covad Communications
174 970 6780 859 Cogent Communications
701 933 6577 713 UUNET Technologies, Inc.
7011 921 278 550 Citizens Utilities
20115 817 751 436 Charter Communications
1239 802 2695 563 Sprint
19262 770 2728 179 Verizon Global Networks
22773 766 2149 50 Cox Communications, Inc.
209 747 3836 587 Qwest
577 707 813 202 Bell Advanced Communications
5668 657 176 23 CenturyTel Internet Holdings,
3356 625 10812 354 Level 3 Communications, LLC
6517 597 165 38 Yipes Communications, Inc.
852 591 1095 363 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1353 1282 Videsh Sanchar Nigam Ltd. Aut
11492 1145 1130 Cable One
18566 1023 1014 Covad Communications
6478 1132 963 AT&T Worldnet Services
4323 1316 947 Time Warner Telecom
9498 997 934 BHARTI BT INTERNET LTD.
4134 1076 783 CHINANET-BACKBONE
17488 795 734 Hathway IP Over Cable Interne
22773 766 716 Cox Communications, Inc.
9583 1115 704 Sify Limited
8151 895 684 UniNet S.A. de C.V.
5668 657 634 CenturyTel Internet Holdings,
7545 726 608 TPG Internet Pty Ltd
19262 770 591 Verizon Global Networks
6517 597 559 Yipes Communications, Inc.
18101 596 545 Reliance Infocom Ltd Internet
15270 574 536 PaeTec.net -a division of Pae
6197 1033 524 BellSouth Network Solutions,
19916 568 517 OLM LLC
4668 516 506 LG-EDS Systems Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans
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
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 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
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
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64588 PRIVATE 207.107.179.0/24 2491 fONOROLA
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
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 /10:15 /11:37 /12:134
/13:266 /14:475 /15:930 /16:9678 /17:4167 /18:6696
/19:14131 /20:16721 /21:15240 /22:19603 /23:20539 /24:123953
/25:880 /26:1142 /27:594 /28:264 /29:192 /30:274
/31:6 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
11492 1137 1145 Cable One
6478 1131 1132 AT&T Worldnet Services
18566 1005 1023 Covad Communications
9583 959 1115 Sify Limited
23577 916 925 Korea Telecom (ATM-MPLS)
2386 904 1212 AT&T Data Communications Serv
4538 904 1941 China Education and Research
7018 819 1483 AT&T WorldNet Services
7011 814 921 Citizens Utilities
6197 786 1033 BellSouth Network Solutions,
4755 736 1353 Videsh Sanchar Nigam Ltd. Aut
9498 671 997 BHARTI BT INTERNET LTD.
17488 618 795 Hathway IP Over Cable Interne
4766 606 808 Korea Telecom (KIX)
19916 563 568 OLM LLC
6517 562 597 Yipes Communications, Inc.
4323 553 1316 Time Warner Telecom
15270 538 574 PaeTec.net -a division of Pae
5668 523 657 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1817 13:2 15:19
16:3 17:3 18:13 20:36 24:987 25:1
32:173 33:3 38:346 40:60 41:321 43:6
44:2 47:4 52:4 55:3 56:3 57:42
58:500 59:403 60:369 61:1027 62:993 63:2013
64:3222 65:2421 66:3405 67:813 68:663 69:1987
70:459 71:116 72:1409 73:1 74:648 75:304
76:131 77:336 78:54 79:3 80:847 81:829
82:597 83:391 84:625 85:822 86:340 87:481
88:285 89:992 90:24 91:538 97:6 98:2
116:309 117:178 118:17 121:278 122:600 123:175
124:674 125:986 128:267 129:217 130:139 131:362
132:55 133:9 134:197 135:34 136:190 137:86
138:153 139:106 140:501 141:174 142:395 143:255
144:300 145:46 146:331 147:121 148:409 149:150
150:112 151:159 152:91 153:119 154:4 155:254
156:161 157:219 158:158 159:173 160:118 161:100
162:176 163:182 164:486 165:395 166:289 167:300
168:517 169:122 170:387 171:22 172:2 189:74
190:1082 192:5810 193:4017 194:3263 195:2394 196:1029
198:3903 199:3295 200:5267 201:1191 202:7794 203:7747
204:3968 205:1974 206:2476 207:2962 208:2826 209:3517
210:2773 211:1212 212:1353 213:1514 214:412 215:41
216:3999 217:1210 218:395 219:450 220:1029 221:410
222:305
End of report
