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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 15 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 227503
Prefixes after maximum aggregation: 118503
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 105956
Total ASes present in the Internet Routing Table: 24971
Prefixes per ASN: 9.11
Origin-only ASes present in the Internet Routing Table: 21691
Origin ASes announcing only one prefix: 10469
Transit ASes present in the Internet Routing Table: 3280
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 29
Max AS path prepend of ASN (33993) 26
Prefixes from unregistered ASNs in the Routing Table: 41
Unregistered ASNs in the Routing Table: 26
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1688564544
Equivalent to 100 /8s, 165 /16s and 115 /24s
Percentage of available address space announced: 45.6
Percentage of allocated address space announced: 61.8
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 121142
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 51051
Total APNIC prefixes after maximum aggregation: 20206
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 47962
Unique aggregates announced from the APNIC address blocks: 21144
APNIC Region origin ASes present in the Internet Routing Table: 2928
APNIC Prefixes per ASN: 16.38
APNIC Region origin ASes announcing only one prefix: 778
APNIC Region transit ASes present in the Internet Routing Table: 448
Average APNIC Region AS path length visible: 6.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 291382100
Equivalent to 17 /8s, 94 /16s and 35 /24s
Percentage of available APNIC address space announced: 72.2
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: 112761
Total ARIN prefixes after maximum aggregation: 63070
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 84034
Unique aggregates announced from the ARIN address blocks: 30257
ARIN Region origin ASes present in the Internet Routing Table: 11497
ARIN Prefixes per ASN: 7.31
ARIN Region origin ASes announcing only one prefix: 4400
ARIN Region transit ASes present in the Internet Routing Table: 1084
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 328630240
Equivalent to 19 /8s, 150 /16s and 127 /24s
Percentage of available ARIN address space announced: 72.5
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: 46419
Total RIPE prefixes after maximum aggregation: 30092
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 43075
Unique aggregates announced from the RIPE address blocks: 27675
RIPE Region origin ASes present in the Internet Routing Table: 9505
RIPE Prefixes per ASN: 4.53
RIPE Region origin ASes announcing only one prefix: 4983
RIPE Region transit ASes present in the Internet Routing Table: 1546
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 29
Number of RIPE addresses announced to Internet: 298754752
Equivalent to 17 /8s, 206 /16s and 162 /24s
Percentage of available RIPE address space announced: 74.2
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
40960-43007
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: 14595
Total LACNIC prefixes after maximum aggregation: 4102
LACNIC Deaggregation factor: 3.56
Prefixes being announced from the LACNIC address blocks: 12686
Unique aggregates announced from the LACNIC address blocks: 7115
LACNIC Region origin ASes present in the Internet Routing Table: 777
LACNIC Prefixes per ASN: 16.33
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 6.5
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 38295552
Equivalent to 2 /8s, 72 /16s and 88 /24s
Percentage of available LACNIC address space announced: 57.1
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: 2636
Total AfriNIC prefixes after maximum aggregation: 1027
AfriNIC Deaggregation factor: 2.57
Prefixes being announced from the AfriNIC address blocks: 1982
Unique aggregates announced from the AfriNIC address blocks: 1179
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Prefixes per ASN: 10.54
AfriNIC Region origin ASes announcing only one prefix: 59
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 5.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5978880
Equivalent to 0 /8s, 91 /16s and 59 /24s
Percentage of available AfriNIC address space announced: 17.8
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 1273 9471 270 CHINANET-BACKBONE
4755 1196 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1104 78 375 Sify Limited
9498 973 469 74 BHARTI BT INTERNET LTD.
4766 783 4943 312 Korea Telecom (KIX)
23577 780 35 710 Korea Telecom (ATM-MPLS)
17488 663 43 34 Hathway IP Over Cable Interne
1221 616 1956 462 Telstra Pty Ltd
7545 612 142 79 TPG Internet Pty Ltd
18101 530 116 26 Reliance Infocom Ltd Internet
4668 504 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
7474 460 216 263 SingTel Optus Pty Ltd
4812 459 795 74 China Telecom (Shanghai)
9443 458 115 74 Primus Telecommunications
9942 425 84 122 COMindico Australia
2907 374 1765 314 SINET Japan
4802 360 86 148 Wantree Development
17557 360 35 171 Pakistan Telecom
9829 359 274 14 BSNL National Internet Backbo
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 926 897 644 Telenor Internet Access
702 520 1941 414 UUNET - Commercial IP service
24863 340 47 32 LINKdotNET AS number
3301 306 1454 286 TeliaNet Sweden
3320 302 4993 250 Deutsche Telekom AG
6746 275 95 252 Dynamic Network Technologies,
8220 262 463 252 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
8708 235 288 228 Romania Data Systems S.A.
5089 233 1657 52 NTL Group Limited
1257 232 1180 170 SWIPnet Swedish IP Network
3269 216 2583 73 TELECOM ITALIA
3246 211 341 200 Song Networks
8551 208 197 27 Bezeq International
30890 205 17 93 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 194 1795 36 Ibernet, Internet Access Netw
3300 191 171 91 AUCS Communications Services
9116 188 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4781 6675 727 UUNET Technologies, Inc.
7018 1505 6135 984 AT&T WorldNet Services
4323 1265 1021 352 Time Warner Telecom
705 1108 545 567 UUNET Technologies, Inc.
6478 1093 334 146 AT&T Worldnet Services
2386 1085 526 733 AT&T Data Communications Serv
6197 1035 686 501 BellSouth Network Solutions,
11492 1030 102 15 Cable One
18566 999 288 9 Covad Communications
174 952 6792 866 Cogent Communications
1239 827 2700 576 Sprint
20115 814 725 432 Charter Communications
7046 787 263 648 UUNET Technologies, Inc.
7011 782 225 465 Citizens Utilities
209 723 3734 573 Qwest
19262 710 2534 169 Verizon Global Networks
22773 698 1871 40 Cox Communications, Inc.
577 641 778 206 Bell Advanced Communications
721 617 21756 274 DLA Systems Automation Center
852 612 1095 378 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1196 1120 Videsh Sanchar Nigam Ltd. Aut
11492 1030 1015 Cable One
4134 1273 1003 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1093 947 AT&T Worldnet Services
4323 1265 913 Time Warner Telecom
9498 973 899 BHARTI BT INTERNET LTD.
8151 1033 824 UniNet S.A. de C.V.
9583 1104 729 Sify Limited
22773 698 658 Cox Communications, Inc.
17488 663 629 Hathway IP Over Cable Interne
5668 584 567 CenturyTel Internet Holdings,
705 1108 541 UUNET Technologies, Inc.
19262 710 541 Verizon Global Networks
6197 1035 534 BellSouth Network Solutions,
7545 612 533 TPG Internet Pty Ltd
7018 1505 521 AT&T WorldNet Services
19916 568 514 OLM LLC
18101 530 504 Reliance Infocom Ltd Internet
855 566 495 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
42697 UNALLOCATED 77.243.48.0/20 31027 Nianet is a Danish I
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
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
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
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
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
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 /10:12 /11:34 /12:125
/13:247 /14:450 /15:862 /16:9374 /17:3873 /18:6407
/19:13554 /20:15452 /21:13926 /22:18345 /23:19885 /24:121372
/25:1016 /26:1104 /27:570 /28:186 /29:166 /30:426
/31:0 /32:90
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3577 4781 UUNET Technologies, Inc.
6478 1084 1093 AT&T Worldnet Services
11492 1016 1030 Cable One
18566 981 999 Covad Communications
9583 944 1104 Sify Limited
2119 829 926 Telenor Internet Access
7018 818 1505 AT&T WorldNet Services
2386 808 1085 AT&T Data Communications Serv
6197 797 1035 BellSouth Network Solutions,
23577 766 780 Korea Telecom (ATM-MPLS)
705 705 1108 UUNET Technologies, Inc.
7011 685 782 Citizens Utilities
9498 635 973 BHARTI BT INTERNET LTD.
4766 589 783 Korea Telecom (KIX)
4755 586 1196 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 542 787 UUNET Technologies, Inc.
4323 532 1265 Time Warner Telecom
4668 494 504 LG-EDS Systems Inc.
15270 491 524 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:65 9:1 12:1813 15:19
16:3 17:3 18:8 20:37 24:954 25:1
32:170 38:297 40:57 41:118 43:6 44:2
47:4 52:4 55:1 56:3 57:53 58:375
59:366 60:265 61:921 62:1021 63:3356 64:3229
65:3656 66:3358 67:811 68:646 69:1805 70:496
71:110 72:1248 73:1 74:392 75:245 76:35
77:109 80:849 81:790 82:747 83:404 84:441
85:766 86:366 87:455 88:248 89:830 90:19
91:259 97:1 116:17 121:176 122:522 123:92
124:767 125:935 128:272 129:222 130:125 131:356
132:51 133:10 134:193 135:39 136:195 137:88
138:194 139:109 140:480 141:149 142:393 143:212
144:291 145:43 146:323 147:147 148:395 149:145
150:115 151:124 152:95 153:113 154:5 155:252
156:153 157:180 158:161 159:156 160:103 161:93
162:235 163:142 164:460 165:403 166:246 167:278
168:501 169:120 170:390 171:15 172:1 189:253
190:567 192:5813 193:3805 194:3129 195:2280 196:979
198:3879 199:3359 200:4674 201:1017 202:7312 203:7465
204:4097 205:2223 206:2626 207:3137 208:3283 209:3732
210:2405 211:978 212:1336 213:1487 214:378 215:39
216:4179 217:1150 218:373 219:305 220:915 221:397
222:269
End of report
