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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 23 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/2007/05/23
Analysis Summary
----------------
BGP routing table entries examined: 228505
Prefixes after maximum aggregation: 119173
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 106976
Total ASes present in the Internet Routing Table: 25167
Prefixes per ASN: 9.08
Origin-only ASes present in the Internet Routing Table: 21885
Origin ASes announcing only one prefix: 10622
Transit ASes present in the Internet Routing Table: 3282
Transit-only ASes present in the Internet Routing Table: 81
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 26
Max AS path prepend of ASN (16327) 21
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 25
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: 11
Number of addresses announced to Internet: 1714238228
Equivalent to 102 /8s, 45 /16s and 51 /24s
Percentage of available address space announced: 46.3
Percentage of allocated address space announced: 61.3
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 122273
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51647
Total APNIC prefixes after maximum aggregation: 20526
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 48534
Unique aggregates announced from the APNIC address blocks: 21058
APNIC Region origin ASes present in the Internet Routing Table: 2953
APNIC Prefixes per ASN: 16.44
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 452
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 293178272
Equivalent to 17 /8s, 121 /16s and 139 /24s
Percentage of available APNIC address space announced: 72.6
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: 111701
Total ARIN prefixes after maximum aggregation: 62855
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 83253
Unique aggregates announced from the ARIN address blocks: 30931
ARIN Region origin ASes present in the Internet Routing Table: 11461
ARIN Prefixes per ASN: 7.26
ARIN Region origin ASes announcing only one prefix: 4417
ARIN Region transit ASes present in the Internet Routing Table: 1070
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 331208160
Equivalent to 19 /8s, 189 /16s and 213 /24s
Percentage of available ARIN address space announced: 73.1
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: 47290
Total RIPE prefixes after maximum aggregation: 30580
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 43904
Unique aggregates announced from the RIPE address blocks: 28181
RIPE Region origin ASes present in the Internet Routing Table: 9688
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 5100
RIPE Region transit ASes present in the Internet Routing Table: 1551
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 306262336
Equivalent to 18 /8s, 65 /16s and 49 /24s
Percentage of available RIPE address space announced: 76.1
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: 15155
Total LACNIC prefixes after maximum aggregation: 4180
LACNIC Deaggregation factor: 3.63
Prefixes being announced from the LACNIC address blocks: 13229
Unique aggregates announced from the LACNIC address blocks: 7216
LACNIC Region origin ASes present in the Internet Routing Table: 795
LACNIC Prefixes per ASN: 16.64
LACNIC Region origin ASes announcing only one prefix: 258
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 38809856
Equivalent to 2 /8s, 80 /16s and 49 /24s
Percentage of available LACNIC address space announced: 57.8
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: 2666
Total AfriNIC prefixes after maximum aggregation: 1020
AfriNIC Deaggregation factor: 2.61
Prefixes being announced from the AfriNIC address blocks: 2030
Unique aggregates announced from the AfriNIC address blocks: 1174
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Prefixes per ASN: 10.80
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 6111488
Equivalent to 0 /8s, 93 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 18.2
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 1283 9694 276 CHINANET-BACKBONE
4755 1215 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1009 72 430 Sify Limited
9498 978 469 74 BHARTI BT INTERNET LTD.
23577 923 35 821 Korea Telecom (ATM-MPLS)
4766 783 4943 312 Korea Telecom (KIX)
17488 633 40 34 Hathway IP Over Cable Interne
7545 612 140 56 TPG Internet Pty Ltd
1221 594 1954 437 Telstra Pty Ltd
18101 545 116 35 Reliance Infocom Ltd Internet
4668 505 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
7474 480 218 268 SingTel Optus Pty Ltd
4812 460 807 76 China Telecom (Shanghai)
9942 446 77 118 COMindico Australia
4802 410 86 147 Wantree Development
9829 362 258 14 BSNL National Internet Backbo
17557 358 37 167 Pakistan Telecom
17974 349 129 12 PT TELEKOMUNIKASI INDONESIA
4837 342 4693 157 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 955 928 654 Telenor Internet Access
702 519 1939 412 UUNET - Commercial IP service
24863 345 47 31 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 306 4994 253 Deutsche Telekom AG
5089 301 1658 53 NTL Group Limited
6746 277 127 253 Dynamic Network Technologies,
680 257 2044 250 DFN-IP service G-WiN
8220 252 460 242 COLT Telecommunications
3215 238 2254 95 France Telecom Transpac
1257 237 1180 170 SWIPnet Swedish IP Network
8708 235 287 228 Romania Data Systems S.A.
3352 232 1783 37 Ibernet, Internet Access Netw
3269 216 2647 74 TELECOM ITALIA
8551 208 197 27 Bezeq International
3246 206 337 192 Song Networks
9116 197 136 25 Goldenlines main autonomous s
3300 190 171 91 AUCS Communications Services
2856 187 2318 146 BTnet UK Regional network
30890 184 15 91 SC Kappa Invexim SRL
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5022 6612 730 UUNET Technologies, Inc.
7018 1506 10235 984 AT&T WorldNet Services
4323 1266 1032 361 Time Warner Telecom
2386 1151 596 758 AT&T Data Communications Serv
6478 1100 342 125 AT&T Worldnet Services
6197 1038 704 506 BellSouth Network Solutions,
18566 1007 288 9 Covad Communications
174 953 6791 863 Cogent Communications
705 840 492 376 UUNET Technologies, Inc.
1239 819 2732 581 Sprint
20115 806 724 428 Charter Communications
7011 798 227 475 Citizens Utilities
7046 784 264 645 UUNET Technologies, Inc.
19262 776 2645 209 Verizon Global Networks
11492 755 75 178 Cable One
209 740 3848 581 Qwest
22773 718 1888 43 Cox Communications, Inc.
577 650 793 205 Bell Advanced Communications
7385 597 166 463 Linkport Communications
5668 596 158 75 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1215 1144 Videsh Sanchar Nigam Ltd. Aut
8151 1243 1033 UniNet S.A. de C.V.
4134 1283 1007 CHINANET-BACKBONE
18566 1007 998 Covad Communications
6478 1100 975 AT&T Worldnet Services
4323 1266 905 Time Warner Telecom
9498 978 904 BHARTI BT INTERNET LTD.
22773 718 675 Cox Communications, Inc.
17488 633 599 Hathway IP Over Cable Interne
9583 1009 579 Sify Limited
11492 755 577 Cable One
19262 776 567 Verizon Global Networks
7545 612 556 TPG Internet Pty Ltd
6197 1038 532 BellSouth Network Solutions,
7018 1506 522 AT&T WorldNet Services
5668 596 521 CenturyTel Internet Holdings,
19916 568 517 OLM LLC
18101 545 510 Reliance Infocom Ltd Internet
7029 587 508 Alltel Information Services,
15270 535 500 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65534 PRIVATE 10.11.12.0/24 10886 University of Maryla
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc.
47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc.
65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global
64858 PRIVATE 84.36.180.0/24 20858 EgyNet
65100 PRIVATE 129.6.112.0/24 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
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
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
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 *
10.230.0.0/16 8075 Microsoft Corporation
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 /8:19 /9:9 /10:14 /11:35 /12:125
/13:249 /14:451 /15:873 /16:9365 /17:3899 /18:6467
/19:13516 /20:15516 /21:14083 /22:18607 /23:19993 /24:121559
/25:1009 /26:1127 /27:563 /28:258 /29:188 /30:470
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3769 5022 UUNET Technologies, Inc.
6478 1091 1100 AT&T Worldnet Services
18566 989 1007 Covad Communications
23577 909 923 Korea Telecom (ATM-MPLS)
9583 877 1009 Sify Limited
2119 856 955 Telenor Internet Access
2386 845 1151 AT&T Data Communications Serv
7018 811 1506 AT&T WorldNet Services
6197 795 1038 BellSouth Network Solutions,
11492 750 755 Cable One
7011 699 798 Citizens Utilities
9498 650 978 BHARTI BT INTERNET LTD.
8151 626 1243 UniNet S.A. de C.V.
4755 611 1215 Videsh Sanchar Nigam Ltd. Aut
4766 590 783 Korea Telecom (KIX)
19916 563 568 OLM LLC
705 547 840 UUNET Technologies, Inc.
7046 537 784 UUNET Technologies, Inc.
4323 526 1266 Time Warner Telecom
15270 502 535 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:80 9:1 10:1 12:1821
15:19 16:3 17:3 18:8 20:38 24:946
25:1 32:173 33:2 38:312 40:61 41:129
43:6 44:2 47:5 52:4 55:3 56:3
57:52 58:401 59:391 60:246 61:958 62:948
63:3356 64:3199 65:3670 66:3344 67:786 68:632
69:1733 70:512 71:102 72:1239 73:1 74:461
75:105 76:59 77:207 78:2 80:855 81:811
82:706 83:404 84:421 85:798 86:346 87:465
88:271 89:868 90:6 91:311 97:6 116:80
121:190 122:526 123:96 124:798 125:931 128:282
129:222 130:128 131:360 132:52 133:10 134:192
135:38 136:185 137:75 138:139 139:121 140:460
141:168 142:392 143:224 144:287 145:43 146:323
147:117 148:392 149:145 150:114 151:159 152:94
153:124 154:5 155:250 156:149 157:189 158:158
159:158 160:105 161:94 162:233 163:175 164:458
165:405 166:239 167:283 168:483 169:120 170:400
171:16 172:1 189:471 190:573 192:5713 193:3861
194:3161 195:2294 196:1001 198:3782 199:3342 200:4757
201:1020 202:7312 203:7527 204:4067 205:2132 206:2536
207:3050 208:3304 209:3596 210:2411 211:1006 212:1344
213:1510 214:403 215:40 216:4142 217:1156 218:377
219:370 220:954 221:392 222:264
End of report
