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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 25 Aug, 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/2007/08/25
Analysis Summary
----------------
BGP routing table entries examined: 234802
Prefixes after maximum aggregation: 120602
Deaggregation factor: 1.95
Unique aggregates announced to Internet: 110581
Total ASes present in the Internet Routing Table: 26089
Prefixes per ASN: 9.00
Origin-only ASes present in the Internet Routing Table: 22516
Origin ASes announcing only one prefix: 11002
Transit ASes present in the Internet Routing Table: 3573
Transit-only ASes present in the Internet Routing Table: 91
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 31
Max AS path prepend of ASN (23775) 25
Prefixes from unregistered ASNs in the Routing Table: 34
Unregistered ASNs in the Routing Table: 21
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: 1755845476
Equivalent to 104 /8s, 168 /16s and 19 /24s
Percentage of available address space announced: 47.4
Percentage of allocated address space announced: 62.0
Percentage of available address space allocated: 76.4
Total number of prefixes smaller than registry allocations: 125329
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 55018
Total APNIC prefixes after maximum aggregation: 20663
APNIC Deaggregation factor: 2.66
Prefixes being announced from the APNIC address blocks: 51816
Unique aggregates announced from the APNIC address blocks: 21323
APNIC Region origin ASes present in the Internet Routing Table: 3032
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 800
APNIC Region transit ASes present in the Internet Routing Table: 484
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 29
Number of APNIC addresses announced to Internet: 312980148
Equivalent to 18 /8s, 167 /16s and 178 /24s
Percentage of available APNIC address space announced: 77.5
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: 110595
Total ARIN prefixes after maximum aggregation: 63348
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 81203
Unique aggregates announced from the ARIN address blocks: 31849
ARIN Region origin ASes present in the Internet Routing Table: 11776
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 4502
ARIN Region transit ASes present in the Internet Routing Table: 1147
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 26
Number of ARIN addresses announced to Internet: 343144032
Equivalent to 20 /8s, 115 /16s and 246 /24s
Percentage of available ARIN address space announced: 75.8
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: 49909
Total RIPE prefixes after maximum aggregation: 31094
RIPE Deaggregation factor: 1.61
Prefixes being announced from the RIPE address blocks: 46347
Unique aggregates announced from the RIPE address blocks: 29421
RIPE Region origin ASes present in the Internet Routing Table: 10130
RIPE Prefixes per ASN: 4.58
RIPE Region origin ASes announcing only one prefix: 5360
RIPE Region transit ASes present in the Internet Routing Table: 1682
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 325875456
Equivalent to 19 /8s, 108 /16s and 119 /24s
Percentage of available RIPE address space announced: 74.7
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, 80/4, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 16423
Total LACNIC prefixes after maximum aggregation: 4427
LACNIC Deaggregation factor: 3.71
Prefixes being announced from the LACNIC address blocks: 14513
Unique aggregates announced from the LACNIC address blocks: 7784
LACNIC Region origin ASes present in the Internet Routing Table: 852
LACNIC Prefixes per ASN: 17.03
LACNIC Region origin ASes announcing only one prefix: 270
LACNIC Region transit ASes present in the Internet Routing Table: 150
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC addresses announced to Internet: 42086656
Equivalent to 2 /8s, 130 /16s and 49 /24s
Percentage of available LACNIC address space announced: 62.7
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: 2817
Total AfriNIC prefixes after maximum aggregation: 1056
AfriNIC Deaggregation factor: 2.67
Prefixes being announced from the AfriNIC address blocks: 2343
Unique aggregates announced from the AfriNIC address blocks: 1342
AfriNIC Region origin ASes present in the Internet Routing Table: 207
AfriNIC Prefixes per ASN: 11.32
AfriNIC Region origin ASes announcing only one prefix: 70
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 7439616
Equivalent to 0 /8s, 113 /16s and 133 /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
4134 1336 11150 289 CHINANET-BACKBONE
4755 1336 383 71 Videsh Sanchar Nigam Ltd. Aut
9583 1130 108 15 Sify Limited
9498 996 532 66 BHARTI BT INTERNET LTD.
23577 924 34 794 Korea Telecom (ATM-MPLS)
4766 800 5441 316 Korea Telecom (KIX)
17488 778 51 54 Hathway IP Over Cable Interne
7545 734 159 118 TPG Internet Pty Ltd
1221 593 1951 437 Telstra Pty Ltd
18101 592 119 48 Reliance Infocom Ltd Internet
4812 548 968 97 China Telecom (Shanghai)
4668 516 68 10 LG-EDS Systems Inc.
17676 503 10919 64 Softbank BB Corp.
4808 469 760 104 CNCGROUP IP network: China169
9443 465 122 78 Primus Telecommunications
7474 456 216 270 SingTel Optus Pty Ltd
4538 442 2974 34 China Education and Research
9942 437 74 110 COMindico Australia
4802 433 117 157 Wantree Development
4837 366 5104 167 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 1132 1079 184 Telenor Internet Access
702 489 1905 391 UUNET - Commercial IP service
24863 365 57 39 LINKdotNET AS number
9116 342 168 26 Goldenlines main autonomous s
8551 320 315 43 Bezeq International
3301 313 1456 293 TeliaNet Sweden
3320 313 6035 260 Deutsche Telekom AG
6746 288 130 264 Dynamic Network Technologies,
1273 286 306 105 Cable & Wireless Deutschland
5089 279 1658 54 NTL Group Limited
680 265 2061 256 DFN-IP service G-WiN
8708 262 420 241 Romania Data Systems S.A.
8220 260 440 242 COLT Telecommunications
3215 258 2424 98 France Telecom Transpac
3352 226 1868 38 Ibernet, Internet Access Netw
3269 221 2775 73 TELECOM ITALIA
9121 214 1441 24 TTnet Autonomous System
1257 204 1195 169 SWIPnet Swedish IP Network
3300 201 172 96 AUCS Communications Services
2856 195 2319 155 BTnet UK Regional network
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1483 10164 992 AT&T WorldNet Services
4323 1323 992 372 Time Warner Telecom
2386 1217 618 751 AT&T Data Communications Serv
6478 1140 322 134 AT&T Worldnet Services
11492 1135 110 16 Cable One
6197 1031 718 509 BellSouth Network Solutions,
18566 1020 288 9 Covad Communications
174 974 6780 861 Cogent Communications
701 938 6578 717 UUNET Technologies, Inc.
7011 918 277 554 Citizens Utilities
20115 816 748 435 Charter Communications
1239 796 2721 564 Sprint
19262 767 2743 186 Verizon Global Networks
22773 759 2148 49 Cox Communications, Inc.
209 742 3837 587 Qwest
577 705 813 202 Bell Advanced Communications
5668 643 172 24 CenturyTel Internet Holdings,
6517 589 165 37 Yipes Communications, Inc.
852 587 1095 361 Telus Advanced Communications
3356 577 10825 337 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1336 1265 Videsh Sanchar Nigam Ltd. Aut
11492 1135 1119 Cable One
9583 1130 1115 Sify Limited
4134 1336 1047 CHINANET-BACKBONE
18566 1020 1011 Covad Communications
6478 1140 1006 AT&T Worldnet Services
4323 1323 951 Time Warner Telecom
2119 1132 948 Telenor Internet Access
9498 996 930 BHARTI BT INTERNET LTD.
17488 778 724 Hathway IP Over Cable Interne
8151 922 713 UniNet S.A. de C.V.
22773 759 710 Cox Communications, Inc.
5668 643 619 CenturyTel Internet Holdings,
7545 734 616 TPG Internet Pty Ltd
19262 767 581 Verizon Global Networks
6517 589 552 Yipes Communications, Inc.
18101 592 544 Reliance Infocom Ltd Internet
15270 568 530 PaeTec.net -a division of Pae
6197 1031 522 BellSouth Network Solutions,
19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65100 PRIVATE 129.6.112.0/24 10886 University of Maryla
65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom
64539 PRIVATE 170.213.128.0/24 7132 SBC Internet Service
64539 PRIVATE 170.213.129.0/24 7132 SBC Internet Service
64539 PRIVATE 170.213.132.0/24 7132 SBC Internet Service
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
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
64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous
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
/13:265 /14:474 /15:931 /16:9652 /17:4158 /18:6713
/19:14062 /20:16459 /21:15142 /22:19590 /23:20657 /24:122620
/25:1063 /26:1383 /27:591 /28:264 /29:187 /30:284
/31:5 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1139 1140 AT&T Worldnet Services
11492 1128 1135 Cable One
2119 1012 1132 Telenor Internet Access
18566 1002 1020 Covad Communications
9583 965 1130 Sify Limited
23577 915 924 Korea Telecom (ATM-MPLS)
2386 909 1217 AT&T Data Communications Serv
7018 820 1483 AT&T WorldNet Services
7011 814 918 Citizens Utilities
6197 784 1031 BellSouth Network Solutions,
4755 721 1336 Videsh Sanchar Nigam Ltd. Aut
9498 668 996 BHARTI BT INTERNET LTD.
17488 601 778 Hathway IP Over Cable Interne
4766 598 800 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 556 1323 Time Warner Telecom
6517 555 589 Yipes Communications, Inc.
15270 532 568 PaeTec.net -a division of Pae
5668 508 643 CenturyTel Internet Holdings,
4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:88 12:1827 13:2 15:19
16:3 17:3 18:13 20:37 24:984 25:1
32:173 33:3 38:347 40:60 41:313 43:6
44:2 47:4 52:4 55:3 56:3 57:46
58:471 59:388 60:366 61:1023 62:997 63:2018
64:3223 65:2423 66:3421 67:799 68:656 69:1975
70:456 71:115 72:1390 73:2 74:637 75:302
76:129 77:295 78:46 80:848 81:838 82:719
83:386 84:607 85:870 86:340 87:484 88:287
89:953 90:25 91:508 97:5 116:308 117:142
121:258 122:593 123:151 124:671 125:993 128:275
129:215 130:140 131:364 132:55 133:9 134:197
135:34 136:189 137:85 138:156 139:122 140:494
141:170 142:397 143:255 144:297 145:46 146:327
147:123 148:410 149:143 150:111 151:159 152:92
153:122 154:4 155:263 156:161 157:214 158:158
159:171 160:113 161:99 162:176 163:181 164:485
165:397 166:285 167:296 168:513 169:122 170:388
171:22 172:2 189:69 190:991 192:5800 193:4001
194:3257 195:2368 196:1039 198:3894 199:3286 200:5109
201:1183 202:7471 203:7741 204:3965 205:1992 206:2479
207:2934 208:2804 209:3510 210:2481 211:1134 212:1354
213:1526 214:415 215:41 216:3992 217:1198 218:380
219:386 220:1036 221:415 222:264
End of report
