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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 12 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 226893
Prefixes after maximum aggregation: 118086
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 104193
Total ASes present in the Internet Routing Table: 24932
Prefixes per ASN: 9.10
Origin-only ASes present in the Internet Routing Table: 21582
Origin ASes announcing only one prefix: 10449
Transit ASes present in the Internet Routing Table: 3350
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 33
Max AS path prepend of ASN (33993) 25
Prefixes from unregistered ASNs in the Routing Table: 84
Unregistered ASNs in the Routing Table: 33
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1688735808
Equivalent to 100 /8s, 168 /16s and 16 /24s
Percentage of available address space announced: 45.6
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 73.7
Total number of prefixes smaller than registry allocations: 120563
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50920
Total APNIC prefixes after maximum aggregation: 20152
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 47824
Unique aggregates announced from the APNIC address blocks: 21084
APNIC Region origin ASes present in the Internet Routing Table: 2923
APNIC Prefixes per ASN: 16.36
APNIC Region origin ASes announcing only one prefix: 776
APNIC Region transit ASes present in the Internet Routing Table: 456
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 291207252
Equivalent to 17 /8s, 91 /16s and 120 /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: 112681
Total ARIN prefixes after maximum aggregation: 63043
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83952
Unique aggregates announced from the ARIN address blocks: 30190
ARIN Region origin ASes present in the Internet Routing Table: 11521
ARIN Prefixes per ASN: 7.29
ARIN Region origin ASes announcing only one prefix: 4408
ARIN Region transit ASes present in the Internet Routing Table: 1117
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 328273888
Equivalent to 19 /8s, 145 /16s and 15 /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: 45964
Total RIPE prefixes after maximum aggregation: 29773
RIPE Deaggregation factor: 1.54
Prefixes being announced from the RIPE address blocks: 42623
Unique aggregates announced from the RIPE address blocks: 26020
RIPE Region origin ASes present in the Internet Routing Table: 9436
RIPE Prefixes per ASN: 4.52
RIPE Region origin ASes announcing only one prefix: 4953
RIPE Region transit ASes present in the Internet Routing Table: 1560
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 298904512
Equivalent to 17 /8s, 208 /16s and 235 /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: 14591
Total LACNIC prefixes after maximum aggregation: 4094
LACNIC Deaggregation factor: 3.56
Prefixes being announced from the LACNIC address blocks: 12688
Unique aggregates announced from the LACNIC address blocks: 7155
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: 252
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: 38833152
Equivalent to 2 /8s, 80 /16s and 140 /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: 2654
Total AfriNIC prefixes after maximum aggregation: 1020
AfriNIC Deaggregation factor: 2.60
Prefixes being announced from the AfriNIC address blocks: 1981
Unique aggregates announced from the AfriNIC address blocks: 1166
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: 60
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 6038784
Equivalent to 0 /8s, 92 /16s and 37 /24s
Percentage of available AfriNIC address space announced: 18.0
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 1295 9485 268 CHINANET-BACKBONE
4755 1188 383 76 Videsh Sanchar Nigam Ltd. Aut
9583 1105 78 382 Sify Limited
9498 973 469 73 BHARTI BT INTERNET LTD.
23577 786 35 710 Korea Telecom (ATM-MPLS)
4766 782 4943 312 Korea Telecom (KIX)
17488 663 43 34 Hathway IP Over Cable Interne
1221 615 1956 461 Telstra Pty Ltd
7545 611 142 78 TPG Internet Pty Ltd
18101 528 116 26 Reliance Infocom Ltd Internet
4668 503 68 10 LG-EDS Systems Inc.
17676 503 10935 65 Softbank BB Corp.
7474 458 216 261 SingTel Optus Pty Ltd
4812 457 791 73 China Telecom (Shanghai)
9443 452 111 73 Primus Telecommunications
9942 424 84 120 COMindico Australia
2907 371 1765 312 SINET Japan
4802 362 86 152 Wantree Development
17557 359 36 174 Pakistan Telecom
9829 356 274 15 BSNL National Internet Backbo
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 927 913 645 Telenor Internet Access
702 518 1941 412 UUNET - Commercial IP service
24863 340 47 32 LINKdotNET AS number
3301 310 1455 290 TeliaNet Sweden
3320 305 4994 252 Deutsche Telekom AG
6746 275 95 252 Dynamic Network Technologies,
8220 258 462 249 COLT Telecommunications
680 257 2044 250 DFN-IP service G-WiN
3215 239 2256 92 France Telecom Transpac
1257 237 1180 171 SWIPnet Swedish IP Network
5089 234 1657 52 NTL Group Limited
8708 234 287 227 Romania Data Systems S.A.
3269 216 2583 73 TELECOM ITALIA
3246 211 341 200 Song Networks
8551 208 197 27 Bezeq International
20858 199 34 4 EgyNet
3352 195 1795 36 Ibernet, Internet Access Netw
3300 191 171 93 AUCS Communications Services
9116 188 134 24 Goldenlines main autonomous s
12479 185 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4761 6659 728 UUNET Technologies, Inc.
7018 1489 6086 971 AT&T WorldNet Services
4323 1273 1022 355 Time Warner Telecom
705 1123 548 581 UUNET Technologies, Inc.
2386 1090 542 733 AT&T Data Communications Serv
6478 1089 334 151 AT&T Worldnet Services
6197 1034 682 501 BellSouth Network Solutions,
11492 1025 102 14 Cable One
18566 999 288 9 Covad Communications
174 929 6710 848 Cogent Communications
1239 819 2699 571 Sprint
20115 811 723 427 Charter Communications
7046 788 262 648 UUNET Technologies, Inc.
7011 781 225 464 Citizens Utilities
209 719 3716 570 Qwest
19262 718 2550 171 Verizon Global Networks
22773 699 1871 40 Cox Communications, Inc.
721 616 21756 274 DLA Systems Automation Center
577 609 776 205 Bell Advanced Communications
852 604 1079 376 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1188 1112 Videsh Sanchar Nigam Ltd. Aut
4134 1295 1027 CHINANET-BACKBONE
11492 1025 1011 Cable One
18566 999 990 Covad Communications
6478 1089 938 AT&T Worldnet Services
4323 1273 918 Time Warner Telecom
9498 973 900 BHARTI BT INTERNET LTD.
8151 1057 860 UniNet S.A. de C.V.
9583 1105 723 Sify Limited
22773 699 659 Cox Communications, Inc.
17488 663 629 Hathway IP Over Cable Interne
5668 584 567 CenturyTel Internet Holdings,
19262 718 547 Verizon Global Networks
705 1123 542 UUNET Technologies, Inc.
6197 1034 533 BellSouth Network Solutions,
7545 611 533 TPG Internet Pty Ltd
7018 1489 518 AT&T WorldNet Services
19916 568 514 OLM LLC
18101 528 502 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 4.33.9.64/26 293 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
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
42492 UNALLOCATED 193.200.70.0/23 24785 Joint Transit Networ
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
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 /8:19 /9:9 /10:12 /11:33 /12:125
/13:247 /14:450 /15:860 /16:9373 /17:3875 /18:6401
/19:13572 /20:15417 /21:13896 /22:18285 /23:19779 /24:120940
/25:1019 /26:1106 /27:574 /28:218 /29:169 /30:425
/31:0 /32:89
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3565 4761 UUNET Technologies, Inc.
6478 1080 1089 AT&T Worldnet Services
11492 1011 1025 Cable One
18566 981 999 Covad Communications
9583 945 1105 Sify Limited
2119 830 927 Telenor Internet Access
7018 814 1489 AT&T WorldNet Services
2386 812 1090 AT&T Data Communications Serv
6197 797 1034 BellSouth Network Solutions,
23577 772 786 Korea Telecom (ATM-MPLS)
705 714 1123 UUNET Technologies, Inc.
7011 684 781 Citizens Utilities
9498 634 973 BHARTI BT INTERNET LTD.
4766 588 782 Korea Telecom (KIX)
4755 582 1188 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 543 788 UUNET Technologies, Inc.
4323 532 1273 Time Warner Telecom
4668 493 503 LG-EDS Systems Inc.
15270 489 522 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:66 9:1 12:1812 15:19
16:3 17:3 18:8 20:37 24:954 25:1
32:174 38:295 40:57 41:113 43:6 44:2
47:4 52:4 55:1 56:3 57:53 58:326
59:362 60:264 61:919 62:1011 63:3359 64:3217
65:3658 66:3367 67:808 68:645 69:1796 70:495
71:111 72:1245 73:1 74:358 75:245 76:33
77:131 80:812 81:792 82:737 83:407 84:417
85:801 86:237 87:453 88:250 89:725 90:18
91:265 97:1 116:11 121:171 122:521 123:73
124:761 125:919 128:270 129:221 130:124 131:352
132:51 133:11 134:193 135:38 136:194 137:88
138:192 139:107 140:482 141:149 142:394 143:214
144:291 145:43 146:323 147:149 148:387 149:146
150:115 151:124 152:95 153:121 154:5 155:252
156:153 157:183 158:161 159:155 160:103 161:93
162:234 163:142 164:460 165:405 166:247 167:278
168:501 169:120 170:394 171:15 172:1 189:253
190:561 192:5804 193:3795 194:3114 195:2273 196:980
198:3876 199:3361 200:4670 201:1015 202:7327 203:7454
204:4089 205:2216 206:2626 207:3135 208:3288 209:3728
210:2407 211:977 212:1339 213:1482 214:408 215:39
216:4174 217:1165 218:374 219:308 220:914 221:396
222:268
End of report
