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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sat 23 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211663
Prefixes after maximum aggregation: 110128
Unique aggregates announced to Internet: 96363
Total ASes present in the Internet Routing Table: 23233
Origin-only ASes present in the Internet Routing Table: 20245
Origin ASes announcing only one prefix: 9682
Transit ASes present in the Internet Routing Table: 2988
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.6
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: 20
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1593107389
Equivalent to 94 /8s, 244 /16s and 227 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 109254
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44983
Total APNIC prefixes after maximum aggregation: 17663
Prefixes being announced from the APNIC address blocks: 42497
Unique aggregates announced from the APNIC address blocks: 18374
APNIC Region origin ASes present in the Internet Routing Table: 2707
APNIC Region origin ASes announcing only one prefix: 753
APNIC Region transit ASes present in the Internet Routing Table: 416
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262536064
Equivalent to 15 /8s, 165 /16s and 251 /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: 110576
Total ARIN prefixes after maximum aggregation: 60832
Prefixes being announced from the ARIN address blocks: 82580
Unique aggregates announced from the ARIN address blocks: 27782
ARIN Region origin ASes present in the Internet Routing Table: 11005
ARIN Region origin ASes announcing only one prefix: 4158
ARIN Region transit ASes present in the Internet Routing Table: 1017
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 301901665
Equivalent to 17 /8s, 254 /16s and 167 /24s
Percentage of available ARIN address space announced: 78.2
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: 41471
Total RIPE prefixes after maximum aggregation: 26891
Prefixes being announced from the RIPE address blocks: 38588
Unique aggregates announced from the RIPE address blocks: 24972
RIPE Region origin ASes present in the Internet Routing Table: 8560
RIPE Region origin ASes announcing only one prefix: 4473
RIPE Region transit ASes present in the Internet Routing Table: 1376
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 266241120
Equivalent to 15 /8s, 222 /16s and 132 /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: 12215
Total LACNIC prefixes after maximum aggregation: 3792
Prefixes being announced from the LACNIC address blocks: 10222
Unique aggregates announced from the LACNIC address blocks: 6106
LACNIC Region origin ASes present in the Internet Routing Table: 729
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 32744192
Equivalent to 1 /8s, 243 /16s and 163 /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: 2394
Total AfriNIC prefixes after maximum aggregation: 950
Prefixes being announced from the AfriNIC address blocks: 1697
Unique aggregates announced from the AfriNIC address blocks: 1062
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4245760
Equivalent to 0 /8s, 64 /16s and 201 /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 1240 8140 239 CHINANET-BACKBONE
4755 995 255 62 Videsh Sanchar Nigam Ltd. Aut
9583 957 109 19 Sify Limited
9498 857 212 72 BHARTI BT INTERNET LTD.
4766 766 4436 310 Korea Telecom (KIX)
1221 647 1780 478 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 540 124 74 TPG Internet Pty Ltd
17488 533 33 18 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 77 126 COMindico Australia
17849 425 31 128 Telecommunications Technology
4802 412 84 150 Wantree Development
4812 398 741 61 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
7474 351 210 221 SingTel Optus Pty Ltd
17557 347 28 164 Pakistan Telecom
10139 334 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1929 427 UUNET - Commercial IP service
3215 393 1832 96 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 296 5013 241 Deutsche Telekom AG
8220 284 455 267 COLT Telecommunications
24863 272 41 32 LINKdotNET AS number
680 249 2041 245 DFN-IP service G-WiN
1257 245 740 170 SWIPnet Swedish IP Network
5089 243 1657 51 NTL Group Limited
6746 238 90 217 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
8866 184 37 15 Bulgarian Telecommunication C
3300 182 171 95 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4967 6757 783 UUNET Technologies, Inc.
4323 3281 782 297 Time Warner Telecom
7018 1516 6268 986 AT&T WorldNet Services
705 1474 556 645 UUNET Technologies, Inc.
2386 1035 570 784 AT&T Data Communications Serv
6197 1030 640 479 BellSouth Network Solutions,
174 973 6825 901 Cogent Communications
721 969 21909 306 DLA Systems Automation Center
18566 962 272 8 Covad Communications
1239 842 2749 592 Sprint
7046 820 234 673 UUNET Technologies, Inc.
19262 745 2344 187 Verizon Global Networks
11492 742 90 13 Cable One
20115 741 663 385 Charter Communications
22773 706 1744 46 Cox Communications, Inc.
209 702 3631 552 Qwest
7011 667 207 421 Citizens Utilities
852 602 1070 386 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 3281 2984 Time Warner Telecom
4134 1240 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
9583 957 938 Sify Limited
4755 995 933 Videsh Sanchar Nigam Ltd. Aut
705 1474 829 UUNET Technologies, Inc.
9498 857 785 BHARTI BT INTERNET LTD.
11492 742 729 Cable One
721 969 663 DLA Systems Automation Center
22773 706 660 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 745 558 Verizon Global Networks
6197 1030 551 BellSouth Network Solutions,
7018 1516 530 AT&T WorldNet Services
5668 534 516 CenturyTel Internet Holdings,
17488 533 515 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 552 478 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
2686 561 461 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
65531 PRIVATE 193.178.210.0/24 12876 Tiscali Telecom
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
65531 PRIVATE 217.113.192.0/20 12876 Tiscali Telecom
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
172.33.1.0/24 7018 AT&T WorldNet Services
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 /9:9 /10:13 /11:31 /12:108
/13:222 /14:386 /15:766 /16:9053 /17:3546 /18:5807
/19:12549 /20:14269 /21:12702 /22:16253 /23:17735 /24:115750
/25:515 /26:500 /27:299 /28:241 /29:227 /30:544
/31:0 /32:119
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3693 4967 UUNET Technologies, Inc.
4323 1948 3281 Time Warner Telecom
18566 945 962 Covad Communications
705 922 1474 UUNET Technologies, Inc.
6197 809 1030 BellSouth Network Solutions,
7018 789 1516 AT&T WorldNet Services
9583 784 957 Sify Limited
2386 751 1035 AT&T Data Communications Serv
11492 730 742 Cable One
7046 578 820 UUNET Technologies, Inc.
4766 575 766 Korea Telecom (KIX)
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
2686 516 561 IBM
9498 512 857 BHARTI BT INTERNET LTD.
15270 433 464 PaeTec.net -a division of Pae
855 432 552 Canadian Research Network
4755 428 995 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 8:50 12:1665 13:1 15:16
16:3 17:3 18:4 20:41 24:827 25:1
32:265 38:257 40:56 41:18 44:3 47:6
52:4 55:1 56:3 57:53 58:240 59:293
60:185 61:920 62:1009 63:3387 64:3516 65:3632
66:3887 67:664 68:658 69:1657 70:395 71:90
72:931 74:80 75:7 80:830 81:686 82:601
83:402 84:417 85:666 86:420 87:462 88:218
89:472 121:35 122:14 123:1 124:380 125:641
128:147 129:230 130:119 131:309 132:38 133:10
134:167 135:51 136:177 137:98 138:224 139:132
140:524 141:134 142:384 143:192 144:243 145:42
146:321 147:139 148:361 149:177 150:114 151:121
152:79 153:122 154:6 155:228 156:158 157:198
158:156 159:174 160:98 161:88 162:218 163:167
164:276 165:230 166:237 167:244 168:604 169:129
170:371 171:11 172:1 190:207 192:5835 193:3504
194:2811 195:2234 196:947 198:4023 199:3391 200:4455
201:933 202:7067 203:7201 204:4109 205:2216 206:2834
207:3582 208:3051 209:3807 210:2242 211:880 212:1407
213:1495 214:377 215:40 216:4354 217:1352 218:354
219:290 220:796 221:383 222:241
End of report
