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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 10 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 226986
Prefixes after maximum aggregation: 118369
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 104568
Total ASes present in the Internet Routing Table: 24966
Prefixes per ASN: 9.09
Origin-only ASes present in the Internet Routing Table: 21630
Origin ASes announcing only one prefix: 10465
Transit ASes present in the Internet Routing Table: 3336
Transit-only ASes present in the Internet Routing Table: 83
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 33
Max AS path prepend of ASN (31258) 21
Prefixes from unregistered ASNs in the Routing Table: 81
Unregistered ASNs in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1705108544
Equivalent to 101 /8s, 161 /16s and 228 /24s
Percentage of available address space announced: 46.0
Percentage of allocated address space announced: 62.5
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 120703
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50761
Total APNIC prefixes after maximum aggregation: 20120
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47689
Unique aggregates announced from the APNIC address blocks: 21044
APNIC Region origin ASes present in the Internet Routing Table: 2920
APNIC Region origin ASes announcing only one prefix: 776
APNIC Region transit ASes present in the Internet Routing Table: 451
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 290912596
Equivalent to 17 /8s, 86 /16s and 249 /24s
Percentage of available APNIC address space announced: 72.1
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: 112596
Total ARIN prefixes after maximum aggregation: 63025
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83899
Unique aggregates announced from the ARIN address blocks: 30230
ARIN Region origin ASes present in the Internet Routing Table: 11511
ARIN Region origin ASes announcing only one prefix: 4405
ARIN Region transit ASes present in the Internet Routing Table: 1112
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 327957472
Equivalent to 19 /8s, 140 /16s and 59 /24s
Percentage of available ARIN address space announced: 72.4
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: 46345
Total RIPE prefixes after maximum aggregation: 30088
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 43006
Unique aggregates announced from the RIPE address blocks: 26456
RIPE Region origin ASes present in the Internet Routing Table: 9483
RIPE Region origin ASes announcing only one prefix: 4968
RIPE Region transit ASes present in the Internet Routing Table: 1558
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 299312832
Equivalent to 17 /8s, 215 /16s and 38 /24s
Percentage of available RIPE address space announced: 74.3
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: 14568
Total LACNIC prefixes after maximum aggregation: 4109
LACNIC Deaggregation factor: 3.55
Prefixes being announced from the LACNIC address blocks: 12657
Unique aggregates announced from the LACNIC address blocks: 7091
LACNIC Region origin ASes present in the Internet Routing Table: 780
LACNIC Region origin ASes announcing only one prefix: 255
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.6
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 38835712
Equivalent to 2 /8s, 80 /16s and 150 /24s
Percentage of available LACNIC address space announced: 57.9
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: 2635
Total AfriNIC prefixes after maximum aggregation: 1023
AfriNIC Deaggregation factor: 2.58
Prefixes being announced from the AfriNIC address blocks: 1967
Unique aggregates announced from the AfriNIC address blocks: 1166
AfriNIC Region origin ASes present in the Internet Routing Table: 188
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 5972224
Equivalent to 0 /8s, 91 /16s and 33 /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 1289 9448 283 CHINANET-BACKBONE
4755 1180 383 77 Videsh Sanchar Nigam Ltd. Aut
9583 1103 78 380 Sify Limited
9498 969 469 71 BHARTI BT INTERNET LTD.
4766 788 4943 314 Korea Telecom (KIX)
23577 788 35 712 Korea Telecom (ATM-MPLS)
17488 626 41 32 Hathway IP Over Cable Interne
1221 617 1956 463 Telstra Pty Ltd
7545 612 142 79 TPG Internet Pty Ltd
18101 538 116 27 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4668 502 68 10 LG-EDS Systems Inc.
7474 458 216 261 SingTel Optus Pty Ltd
4812 457 791 72 China Telecom (Shanghai)
9443 452 111 73 Primus Telecommunications
9942 427 84 121 COMindico Australia
4802 361 86 151 Wantree Development
9829 356 274 15 BSNL National Internet Backbo
17557 356 34 172 Pakistan Telecom
4837 342 4596 157 chinanet IDC center beijing n
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 927 913 645 Telenor Internet Access
702 519 1941 412 UUNET - Commercial IP service
24863 339 46 31 LINKdotNET AS number
3301 309 1455 289 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
6746 273 95 251 Dynamic Network Technologies,
8220 263 462 253 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
1257 236 1180 170 SWIPnet Swedish IP Network
5089 233 1657 52 NTL Group Limited
8708 233 287 226 Romania Data Systems S.A.
3269 216 2583 73 TELECOM ITALIA
3246 212 357 201 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 190 171 92 AUCS Communications Services
9116 189 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4750 6659 734 UUNET Technologies, Inc.
7018 1489 6086 971 AT&T WorldNet Services
4323 1273 1022 355 Time Warner Telecom
705 1150 549 594 UUNET Technologies, Inc.
2386 1091 558 732 AT&T Data Communications Serv
6478 1089 334 154 AT&T Worldnet Services
6197 1034 682 501 BellSouth Network Solutions,
11492 1024 102 13 Cable One
18566 999 288 9 Covad Communications
174 929 6710 848 Cogent Communications
20115 809 722 425 Charter Communications
1239 808 2698 562 Sprint
7046 790 266 650 UUNET Technologies, Inc.
7011 780 225 463 Citizens Utilities
19262 722 2566 164 Verizon Global Networks
209 720 3716 570 Qwest
22773 697 1871 42 Cox Communications, Inc.
721 617 21756 274 DLA Systems Automation Center
577 608 776 204 Bell Advanced Communications
852 604 1079 377 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1180 1103 Videsh Sanchar Nigam Ltd. Aut
11492 1024 1011 Cable One
4134 1289 1006 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1089 935 AT&T Worldnet Services
4323 1273 918 Time Warner Telecom
9498 969 898 BHARTI BT INTERNET LTD.
8151 1047 849 UniNet S.A. de C.V.
9583 1103 723 Sify Limited
22773 697 655 Cox Communications, Inc.
17488 626 594 Hathway IP Over Cable Interne
5668 582 565 CenturyTel Internet Holdings,
19262 722 558 Verizon Global Networks
705 1150 556 UUNET Technologies, Inc.
6197 1034 533 BellSouth Network Solutions,
7545 612 533 TPG Internet Pty Ltd
7018 1489 518 AT&T WorldNet Services
19916 568 514 OLM LLC
18101 538 511 Reliance Infocom Ltd Internet
855 560 494 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.128/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.160/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.128/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.11.240/28 293 Energy Sciences Netw
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65004 PRIVATE 65.165.116.0/22 13855 Cedar Falls Utilitie
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.
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
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net
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 /8:20 /9:9 /10:12 /11:34 /12:125
/13:247 /14:448 /15:859 /16:9369 /17:3871 /18:6393
/19:13544 /20:15380 /21:13871 /22:18324 /23:19833 /24:121039
/25:1022 /26:1108 /27:574 /28:223 /29:169 /30:424
/31:0 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3559 4750 UUNET Technologies, Inc.
6478 1080 1089 AT&T Worldnet Services
11492 1010 1024 Cable One
18566 981 999 Covad Communications
9583 943 1103 Sify Limited
2119 830 927 Telenor Internet Access
2386 813 1091 AT&T Data Communications Serv
7018 812 1489 AT&T WorldNet Services
6197 797 1034 BellSouth Network Solutions,
23577 774 788 Korea Telecom (ATM-MPLS)
705 728 1150 UUNET Technologies, Inc.
7011 683 780 Citizens Utilities
9498 631 969 BHARTI BT INTERNET LTD.
4766 593 788 Korea Telecom (KIX)
4755 574 1180 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 544 790 UUNET Technologies, Inc.
4323 531 1273 Time Warner Telecom
4668 492 502 LG-EDS Systems Inc.
15270 488 520 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:65 9:1 12:1811 15:19
16:3 17:3 18:8 20:38 24:951 25:1
32:146 38:295 40:57 41:105 43:6 44:2
47:3 52:4 55:1 56:3 57:52 58:325
59:361 60:228 61:920 62:1030 63:3365 64:3232
65:3662 66:3339 67:792 68:645 69:1793 70:495
71:110 72:1248 73:1 74:354 75:244 76:31
77:130 80:838 81:800 82:744 83:408 84:439
85:826 86:376 87:457 88:251 89:839 90:18
91:265 97:1 116:10 121:167 122:521 123:64
124:759 125:920 128:273 129:221 130:125 131:351
132:51 133:11 134:192 135:38 136:175 137:92
138:193 139:107 140:481 141:149 142:393 143:212
144:290 145:43 146:323 147:149 148:384 149:146
150:115 151:124 152:95 153:121 154:5 155:252
156:152 157:184 158:161 159:154 160:103 161:93
162:235 163:142 164:461 165:404 166:247 167:295
168:502 169:120 170:394 171:15 172:1 189:243
190:548 192:5806 193:3800 194:3108 195:2259 196:979
198:3875 199:3360 200:4660 201:1011 202:7319 203:7442
204:4093 205:2223 206:2633 207:3134 208:3290 209:3722
210:2397 211:978 212:1315 213:1445 214:406 215:39
216:4169 217:1169 218:373 219:308 220:904 221:396
222:269
End of report
