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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 02 Apr, 2007
Analysis Summary
----------------
BGP routing table entries examined: 226758
Prefixes after maximum aggregation: 117996
Deaggregation factor: 1.92
Unique aggregates announced to Internet: 105819
Total ASes present in the Internet Routing Table: 24868
Origin-only ASes present in the Internet Routing Table: 21527
Origin ASes announcing only one prefix: 10422
Transit ASes present in the Internet Routing Table: 3341
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 31
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 77
Unregistered ASNs in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1697539920
Equivalent to 101 /8s, 46 /16s and 103 /24s
Percentage of available address space announced: 45.8
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 120583
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 50754
Total APNIC prefixes after maximum aggregation: 20173
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 47704
Unique aggregates announced from the APNIC address blocks: 21099
APNIC Region origin ASes present in the Internet Routing Table: 2925
APNIC Region origin ASes announcing only one prefix: 782
APNIC Region transit ASes present in the Internet Routing Table: 455
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 290603300
Equivalent to 17 /8s, 82 /16s and 65 /24s
Percentage of available APNIC address space announced: 72.0
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: 112496
Total ARIN prefixes after maximum aggregation: 62814
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 83758
Unique aggregates announced from the ARIN address blocks: 30086
ARIN Region origin ASes present in the Internet Routing Table: 11460
ARIN Region origin ASes announcing only one prefix: 4391
ARIN Region transit ASes present in the Internet Routing Table: 1112
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 324064480
Equivalent to 19 /8s, 80 /16s and 212 /24s
Percentage of available ARIN address space announced: 71.5
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: 46320
Total RIPE prefixes after maximum aggregation: 29871
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 42970
Unique aggregates announced from the RIPE address blocks: 27770
RIPE Region origin ASes present in the Internet Routing Table: 9436
RIPE Region origin ASes announcing only one prefix: 4936
RIPE Region transit ASes present in the Internet Routing Table: 1557
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 296806592
Equivalent to 17 /8s, 176 /16s and 232 /24s
Percentage of available RIPE address space announced: 73.7
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
40960-43007
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: 14489
Total LACNIC prefixes after maximum aggregation: 4119
LACNIC Deaggregation factor: 3.52
Prefixes being announced from the LACNIC address blocks: 12576
Unique aggregates announced from the LACNIC address blocks: 7137
LACNIC Region origin ASes present in the Internet Routing Table: 782
LACNIC Region origin ASes announcing only one prefix: 255
LACNIC Region transit ASes present in the Internet Routing Table: 140
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 38569984
Equivalent to 2 /8s, 76 /16s and 136 /24s
Percentage of available LACNIC address space announced: 57.5
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: 2621
Total AfriNIC prefixes after maximum aggregation: 1013
AfriNIC Deaggregation factor: 2.59
Prefixes being announced from the AfriNIC address blocks: 1952
Unique aggregates announced from the AfriNIC address blocks: 1162
AfriNIC Region origin ASes present in the Internet Routing Table: 185
AfriNIC Region origin ASes announcing only one prefix: 58
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 5441536
Equivalent to 0 /8s, 83 /16s and 8 /24s
Percentage of available AfriNIC address space announced: 16.2
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 1285 9422 281 CHINANET-BACKBONE
4755 1172 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1106 78 374 Sify Limited
9498 968 469 71 BHARTI BT INTERNET LTD.
23577 791 35 714 Korea Telecom (ATM-MPLS)
4766 784 4943 313 Korea Telecom (KIX)
17488 626 41 32 Hathway IP Over Cable Interne
1221 624 1973 467 Telstra Pty Ltd
7545 609 142 80 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.
9443 454 111 74 Primus Telecommunications
7474 453 215 260 SingTel Optus Pty Ltd
4812 452 791 72 China Telecom (Shanghai)
9942 427 84 123 COMindico Australia
17557 371 35 172 Pakistan Telecom
4802 362 86 150 Wantree Development
4837 343 4484 154 chinanet IDC center beijing n
2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 736 871 543 Telenor Internet Access
702 520 1893 414 UUNET - Commercial IP service
24863 337 46 30 LINKdotNET AS number
3301 310 1199 289 TeliaNet Sweden
3320 301 4993 249 Deutsche Telekom AG
6746 272 95 250 Dynamic Network Technologies,
8220 270 468 259 COLT Telecommunications
680 258 2044 251 DFN-IP service G-WiN
5416 254 16 12 BATELCO-BH
3215 239 2256 92 France Telecom Transpac
1257 236 1180 170 SWIPnet Swedish IP Network
5089 235 1657 53 NTL Group Limited
8708 235 287 228 Romania Data Systems S.A.
3269 215 2583 72 TELECOM ITALIA
8551 208 197 27 Bezeq International
3246 207 356 196 Song Networks
30890 206 17 96 SC Kappa Invexim SRL
20858 199 34 4 EgyNet
3352 195 1795 36 Ibernet, Internet Access Netw
3300 192 171 93 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4754 6658 720 UUNET Technologies, Inc.
7018 1498 10215 977 AT&T WorldNet Services
4323 1449 1020 349 Time Warner Telecom
705 1183 554 596 UUNET Technologies, Inc.
2386 1089 558 731 AT&T Data Communications Serv
6478 1079 331 153 AT&T Worldnet Services
6197 1031 680 500 BellSouth Network Solutions,
11492 1017 102 12 Cable One
18566 999 288 9 Covad Communications
174 935 6758 853 Cogent Communications
1239 821 2716 572 Sprint
20115 809 720 430 Charter Communications
7046 788 266 648 UUNET Technologies, Inc.
7011 780 225 462 Citizens Utilities
209 724 3717 571 Qwest
19262 722 2582 162 Verizon Global Networks
22773 693 1871 42 Cox Communications, Inc.
721 618 21756 274 DLA Systems Automation Center
577 603 775 200 Bell Advanced Communications
852 603 1079 376 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1449 1100 Time Warner Telecom
4755 1172 1098 Videsh Sanchar Nigam Ltd. Aut
11492 1017 1005 Cable One
4134 1285 1004 CHINANET-BACKBONE
18566 999 990 Covad Communications
6478 1079 926 AT&T Worldnet Services
9498 968 897 BHARTI BT INTERNET LTD.
8151 1035 834 UniNet S.A. de C.V.
9583 1106 732 Sify Limited
22773 693 651 Cox Communications, Inc.
17488 626 594 Hathway IP Over Cable Interne
705 1183 587 UUNET Technologies, Inc.
5668 581 564 CenturyTel Internet Holdings,
19262 722 560 Verizon Global Networks
6197 1031 531 BellSouth Network Solutions,
7545 609 529 TPG Internet Pty Ltd
7018 1498 521 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
64519 PRIVATE 87.198.212.128/25 34245 Magnet Networks AS
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
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
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
192.153.136.0/21 721 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 /11:32 /12:123
/13:244 /14:445 /15:853 /16:9371 /17:3867 /18:6380
/19:13547 /20:15318 /21:13862 /22:18254 /23:19763 /24:121134
/25:977 /26:1056 /27:577 /28:224 /29:170 /30:433
/31:0 /32:88
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3551 4754 UUNET Technologies, Inc.
6478 1070 1079 AT&T Worldnet Services
11492 1003 1017 Cable One
18566 981 999 Covad Communications
9583 946 1106 Sify Limited
7018 817 1498 AT&T WorldNet Services
2386 812 1089 AT&T Data Communications Serv
6197 796 1031 BellSouth Network Solutions,
23577 777 791 Korea Telecom (ATM-MPLS)
705 745 1183 UUNET Technologies, Inc.
7011 683 780 Citizens Utilities
2119 647 736 Telenor Internet Access
4323 635 1449 Time Warner Telecom
9498 630 968 BHARTI BT INTERNET LTD.
4766 589 784 Korea Telecom (KIX)
4755 568 1172 Videsh Sanchar Nigam Ltd. Aut
19916 563 568 OLM LLC
7046 542 788 UUNET Technologies, Inc.
4668 492 502 LG-EDS Systems Inc.
15270 484 516 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:65 9:1 12:1812 15:19
16:3 17:3 18:8 20:38 24:948 25:1
32:174 38:293 40:56 41:111 44:2 47:4
52:4 55:1 56:3 57:52 58:351 59:358
60:227 61:908 62:1077 63:3373 64:3253 65:3659
66:3290 67:781 68:641 69:1799 70:494 71:110
72:1240 73:1 74:348 75:172 76:32 77:142
80:831 81:793 82:770 83:402 84:483 85:821
86:383 87:456 88:250 89:875 90:19 91:237
97:1 116:11 117:1 118:1 119:1 120:1
121:169 122:521 123:63 124:755 125:909 128:273
129:225 130:120 131:349 132:51 133:11 134:190
135:37 136:171 137:92 138:193 139:107 140:482
141:143 142:394 143:212 144:283 145:43 146:323
147:151 148:384 149:191 150:115 151:123 152:95
153:120 154:6 155:250 156:152 157:181 158:161
159:151 160:103 161:93 162:235 163:142 164:461
165:401 166:246 167:293 168:502 169:120 170:392
171:15 172:1 189:227 190:548 192:5804 193:3790
194:3095 195:2280 196:965 198:3858 199:3361 200:4627
201:1010 202:7341 203:7462 204:4083 205:2210 206:2672
207:3173 208:3288 209:3726 210:2408 211:976 212:1307
213:1466 214:409 215:38 216:4193 217:1178 218:374
219:294 220:911 221:389 222:271
End of report
