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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 22 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211624
Prefixes after maximum aggregation: 110175
Unique aggregates announced to Internet: 96442
Total ASes present in the Internet Routing Table: 23250
Origin-only ASes present in the Internet Routing Table: 20197
Origin ASes announcing only one prefix: 9690
Transit ASes present in the Internet Routing Table: 3053
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 25
Unregistered ASNs in the Routing Table: 21
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1598826045
Equivalent to 95 /8s, 76 /16s and 38 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 61.2
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109200
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44978
Total APNIC prefixes after maximum aggregation: 17695
Prefixes being announced from the APNIC address blocks: 42482
Unique aggregates announced from the APNIC address blocks: 18440
APNIC Region origin ASes present in the Internet Routing Table: 2714
APNIC Region origin ASes announcing only one prefix: 761
APNIC Region transit ASes present in the Internet Routing Table: 419
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 262467456
Equivalent to 15 /8s, 164 /16s and 239 /24s
Percentage of available APNIC address space announced: 82.1
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, 121/8, 122/7, 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: 110559
Total ARIN prefixes after maximum aggregation: 60836
Prefixes being announced from the ARIN address blocks: 82565
Unique aggregates announced from the ARIN address blocks: 27758
ARIN Region origin ASes present in the Internet Routing Table: 11009
ARIN Region origin ASes announcing only one prefix: 4168
ARIN Region transit ASes present in the Internet Routing Table: 1036
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 299229153
Equivalent to 17 /8s, 213 /16s and 223 /24s
Percentage of available ARIN address space announced: 77.5
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 41426
Total RIPE prefixes after maximum aggregation: 26891
Prefixes being announced from the RIPE address blocks: 38556
Unique aggregates announced from the RIPE address blocks: 24966
RIPE Region origin ASes present in the Internet Routing Table: 8556
RIPE Region origin ASes announcing only one prefix: 4460
RIPE Region transit ASes present in the Internet Routing Table: 1407
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 266147936
Equivalent to 15 /8s, 221 /16s and 24 /24s
Percentage of available RIPE address space announced: 72.1
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
40960-41983
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12238
Total LACNIC prefixes after maximum aggregation: 3805
Prefixes being announced from the LACNIC address blocks: 10249
Unique aggregates announced from the LACNIC address blocks: 6107
LACNIC Region origin ASes present in the Internet Routing Table: 731
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 32748032
Equivalent to 1 /8s, 243 /16s and 178 /24s
Percentage of available LACNIC address space announced: 48.8
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: 2399
Total AfriNIC prefixes after maximum aggregation: 948
Prefixes being announced from the AfriNIC address blocks: 1696
Unique aggregates announced from the AfriNIC address blocks: 1078
AfriNIC Region origin ASes present in the Internet Routing Table: 164
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4245248
Equivalent to 0 /8s, 64 /16s and 199 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1238 8100 238 CHINANET-BACKBONE
4755 992 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 956 109 20 Sify Limited
9498 855 212 71 BHARTI BT INTERNET LTD.
4766 764 4436 309 Korea Telecom (KIX)
1221 648 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 541 124 75 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 454 85 18 Reliance Infocom Ltd Internet
9942 431 77 127 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 399 741 62 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
7474 352 210 222 SingTel Optus Pty Ltd
17557 345 28 165 Pakistan Telecom
2907 340 1734 314 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1929 428 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 282 455 265 COLT Telecommunications
24863 271 41 31 LINKdotNET AS number
680 250 2041 246 DFN-IP service G-WiN
1257 245 740 170 SWIPnet Swedish IP Network
5089 243 1657 51 NTL Group Limited
6746 237 90 216 Dynamic Network Technologies,
3246 232 470 219 Song Networks
9116 226 134 23 Goldenlines main autonomous s
8708 216 278 203 Romania Data Systems S.A.
3292 207 1137 115 TDC Tele Danmark
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 199 879 43 UPC Distribution Services
3300 182 171 95 AUCS Communications Services
5416 181 12 7 BATELCO-BH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4970 6757 776 UUNET Technologies, Inc.
4323 3280 781 296 Time Warner Telecom
7018 1522 6284 987 AT&T WorldNet Services
705 1476 556 647 UUNET Technologies, Inc.
2386 1032 570 782 AT&T Data Communications Serv
6197 1029 627 490 BellSouth Network Solutions,
721 980 21909 306 DLA Systems Automation Center
174 974 6825 903 Cogent Communications
18566 961 272 8 Covad Communications
1239 848 2780 596 Sprint
7046 823 234 676 UUNET Technologies, Inc.
19262 747 2344 187 Verizon Global Networks
11492 741 90 12 Cable One
20115 740 662 384 Charter Communications
22773 705 1744 45 Cox Communications, Inc.
209 703 3631 553 Qwest
7011 667 207 421 Citizens Utilities
852 601 1069 385 Telus Advanced Communications
6478 586 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3280 2984 Time Warner Telecom
4134 1238 1000 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 956 936 Sify Limited
4755 992 929 Videsh Sanchar Nigam Ltd. Aut
705 1476 829 UUNET Technologies, Inc.
9498 855 784 BHARTI BT INTERNET LTD.
11492 741 729 Cable One
721 980 674 DLA Systems Automation Center
22773 705 660 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 747 560 Verizon Global Networks
6197 1029 539 BellSouth Network Solutions,
7018 1522 535 AT&T WorldNet Services
17488 534 522 Hathway IP Over Cable Interne
5668 534 516 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 548 478 Canadian Research Network
7545 541 466 TPG Internet Pty Ltd
2686 556 460 IBM
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65011 PRIVATE 62.245.148.0/26 8767 M"net AS
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65017 PRIVATE 213.235.48.96/28 8190 VIATEL
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
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
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.0.2.0/24 812 Rogers WAVE
192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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
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
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:13 /11:31 /12:106
/13:222 /14:386 /15:766 /16:9052 /17:3545 /18:5794
/19:12542 /20:14256 /21:12691 /22:16268 /23:17745 /24:115736
/25:511 /26:502 /27:299 /28:242 /29:227 /30:542
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3702 4970 UUNET Technologies, Inc.
4323 1949 3280 Time Warner Telecom
18566 944 961 Covad Communications
705 924 1476 UUNET Technologies, Inc.
6197 809 1029 BellSouth Network Solutions,
7018 792 1522 AT&T WorldNet Services
9583 784 956 Sify Limited
2386 750 1032 AT&T Data Communications Serv
11492 729 741 Cable One
7046 581 823 UUNET Technologies, Inc.
4766 573 764 Korea Telecom (KIX)
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
9498 512 855 BHARTI BT INTERNET LTD.
2686 511 556 IBM
15270 433 464 PaeTec.net -a division of Pae
855 432 548 Canadian Research Network
4755 425 992 Videsh Sanchar Nigam Ltd. Aut
5668 417 534 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:54 12:1666 13:1 15:16
16:3 17:3 18:4 20:41 24:828 25:1
32:265 38:255 40:55 41:18 44:3 47:6
52:4 55:1 56:3 57:53 58:243 59:295
60:181 61:920 62:1005 63:3387 64:3504 65:3630
66:3905 67:664 68:658 69:1657 70:394 71:90
72:926 74:80 75:7 80:839 81:686 82:598
83:397 84:416 85:668 86:420 87:460 88:220
89:470 121:36 122:14 123:1 124:380 125:642
128:151 129:222 130:118 131:315 132:38 133:10
134:167 135:45 136:178 137:98 138:224 139:134
140:526 141:135 142:386 143:192 144:244 145:42
146:321 147:141 148:349 149:177 150:114 151:121
152:79 153:120 154:6 155:227 156:158 157:198
158:155 159:175 160:98 161:88 162:218 163:167
164:276 165:237 166:237 167:249 168:604 169:129
170:364 171:11 190:205 192:5839 193:3511 194:2807
195:2232 196:948 198:4016 199:3391 200:4485 201:932
202:7081 203:7200 204:4113 205:2208 206:2836 207:3582
208:3049 209:3809 210:2231 211:883 212:1386 213:1493
214:378 215:40 216:4348 217:1351 218:348 219:289
220:793 221:383 222:242
End of report
