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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 19 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 211473
Prefixes after maximum aggregation: 109950
Unique aggregates announced to Internet: 96204
Total ASes present in the Internet Routing Table: 23230
Origin-only ASes present in the Internet Routing Table: 20235
Origin ASes announcing only one prefix: 9686
Transit ASes present in the Internet Routing Table: 2995
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 30
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1597962493
Equivalent to 95 /8s, 62 /16s and 248 /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: 109211
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44951
Total APNIC prefixes after maximum aggregation: 17594
Prefixes being announced from the APNIC address blocks: 42452
Unique aggregates announced from the APNIC address blocks: 18380
APNIC Region origin ASes present in the Internet Routing Table: 2715
APNIC Region origin ASes announcing only one prefix: 758
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 262467712
Equivalent to 15 /8s, 164 /16s and 240 /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: 110709
Total ARIN prefixes after maximum aggregation: 60783
Prefixes being announced from the ARIN address blocks: 82442
Unique aggregates announced from the ARIN address blocks: 27696
ARIN Region origin ASes present in the Internet Routing Table: 10998
ARIN Region origin ASes announcing only one prefix: 4147
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 30
Number of ARIN addresses announced to Internet: 298512481
Equivalent to 17 /8s, 202 /16s and 240 /24s
Percentage of available ARIN address space announced: 77.4
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 41255
Total RIPE prefixes after maximum aggregation: 26818
Prefixes being announced from the RIPE address blocks: 38424
Unique aggregates announced from the RIPE address blocks: 24886
RIPE Region origin ASes present in the Internet Routing Table: 8563
RIPE Region origin ASes announcing only one prefix: 4482
RIPE Region transit ASes present in the Internet Routing Table: 1396
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 266027168
Equivalent to 15 /8s, 219 /16s and 64 /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: 12103
Total LACNIC prefixes after maximum aggregation: 3801
Prefixes being announced from the LACNIC address blocks: 10154
Unique aggregates announced from the LACNIC address blocks: 6098
LACNIC Region origin ASes present in the Internet Routing Table: 724
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 32628224
Equivalent to 1 /8s, 241 /16s and 222 /24s
Percentage of available LACNIC address space announced: 48.6
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: 2433
Total AfriNIC prefixes after maximum aggregation: 954
Prefixes being announced from the AfriNIC address blocks: 1689
Unique aggregates announced from the AfriNIC address blocks: 1017
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4246528
Equivalent to 0 /8s, 64 /16s and 204 /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 1270 8100 238 CHINANET-BACKBONE
4755 993 255 63 Videsh Sanchar Nigam Ltd. Aut
9583 952 109 15 Sify Limited
9498 851 212 71 BHARTI BT INTERNET LTD.
4766 762 4436 310 Korea Telecom (KIX)
1221 648 1780 479 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 540 124 74 TPG Internet Pty Ltd
17488 530 33 12 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 425 31 128 Telecommunications Technology
9942 417 77 125 COMindico Australia
4802 412 84 150 Wantree Development
4812 398 741 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
7474 353 210 223 SingTel Optus Pty Ltd
17557 353 28 165 Pakistan Telecom
2907 342 1750 315 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1944 428 UUNET - Commercial IP service
3215 394 1832 96 France Telecom Transpac
3301 316 1187 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 283 455 266 COLT Telecommunications
24863 268 42 13 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 244 90 223 Dynamic Network Technologies,
1257 243 740 167 SWIPnet Swedish IP Network
5089 243 1657 51 NTL Group Limited
3246 230 470 219 Song Networks
9116 224 134 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 185 37 15 Bulgarian Telecommunication C
5416 181 12 7 BATELCO-BH
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4964 6741 773 UUNET Technologies, Inc.
4323 3258 777 296 Time Warner Telecom
7018 1500 6268 966 AT&T WorldNet Services
705 1474 556 645 UUNET Technologies, Inc.
2386 1030 570 780 AT&T Data Communications Serv
6197 1028 627 484 BellSouth Network Solutions,
721 979 21909 306 DLA Systems Automation Center
174 972 6793 903 Cogent Communications
18566 961 272 8 Covad Communications
1239 842 2757 592 Sprint
7046 824 233 680 UUNET Technologies, Inc.
20115 739 661 384 Charter Communications
19262 738 2280 189 Verizon Global Networks
11492 737 90 12 Cable One
209 706 3631 555 Qwest
22773 700 1743 41 Cox Communications, Inc.
7011 667 207 421 Citizens Utilities
852 601 1069 385 Telus Advanced Communications
6478 579 1265 380 AT&T Worldnet Services
19916 565 49 54 OLM LLC
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3258 2962 Time Warner Telecom
4134 1270 1032 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 952 937 Sify Limited
4755 993 930 Videsh Sanchar Nigam Ltd. Aut
705 1474 829 UUNET Technologies, Inc.
9498 851 780 BHARTI BT INTERNET LTD.
11492 737 725 Cable One
721 979 673 DLA Systems Automation Center
22773 700 659 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 738 549 Verizon Global Networks
6197 1028 544 BellSouth Network Solutions,
7018 1500 534 AT&T WorldNet Services
5668 537 519 CenturyTel Internet Holdings,
17488 530 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 545 477 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
2686 560 461 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
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
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
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
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 /15:763 /16:9051 /17:3536 /18:5792
/19:12514 /20:14240 /21:12667 /22:16257 /23:17683 /24:115747
/25:524 /26:508 /27:296 /28:231 /29:227 /30:538
/31:0 /32:112
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3698 4964 UUNET Technologies, Inc.
4323 1942 3258 Time Warner Telecom
18566 944 961 Covad Communications
705 922 1474 UUNET Technologies, Inc.
6197 808 1028 BellSouth Network Solutions,
7018 785 1500 AT&T WorldNet Services
9583 782 952 Sify Limited
2386 748 1030 AT&T Data Communications Serv
11492 725 737 Cable One
7046 578 824 UUNET Technologies, Inc.
4766 572 762 Korea Telecom (KIX)
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
2686 515 560 IBM
9498 507 851 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
4755 426 993 Videsh Sanchar Nigam Ltd. Aut
855 425 545 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
17849 413 425 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:47 12:1662 13:1 15:16
16:3 17:3 18:4 20:41 24:826 25:1
32:266 38:254 40:55 41:17 44:3 47:6
52:4 55:1 56:3 57:53 58:233 59:295
60:180 61:916 62:989 63:3379 64:3498 65:3625
66:3878 67:675 68:655 69:1640 70:392 71:98
72:919 74:80 75:7 80:832 81:695 82:612
83:398 84:409 85:668 86:404 87:458 88:186
89:459 121:33 122:14 123:1 124:366 125:636
128:146 129:230 130:118 131:313 132:38 133:10
134:167 135:50 136:178 137:98 138:225 139:149
140:522 141:134 142:383 143:188 144:241 145:42
146:326 147:141 148:359 149:180 150:114 151:120
152:79 153:119 154:6 155:231 156:158 157:181
158:155 159:175 160:103 161:88 162:219 163:167
164:492 165:230 166:240 167:249 168:598 169:129
170:364 171:11 190:207 192:5845 193:3487 194:2804
195:2242 196:939 198:4034 199:3398 200:4431 201:925
202:7101 203:7198 204:4089 205:2217 206:2823 207:3576
208:3054 209:3809 210:2245 211:885 212:1402 213:1500
214:377 215:40 216:4347 217:1325 218:359 219:289
220:789 221:386 222:252
End of report
