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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 28 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 202068
Prefixes after maximum aggregation: 106108
Unique aggregates announced to Internet: 92409
Total ASes present in the Internet Routing Table: 22376
Origin-only ASes present in the Internet Routing Table: 19388
Origin ASes announcing only one prefix: 9283
Transit ASes present in the Internet Routing Table: 2988
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 20
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 38
Unregistered ASNs in the Routing Table: 31
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 60
Number of addresses announced to Internet: 2024803765
Equivalent to 120 /8s, 176 /16s and 13 /24s
Percentage of available address space announced: 54.6
Percentage of allocated address space announced: 79.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103791
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40873
Total APNIC prefixes after maximum aggregation: 16853
Prefixes being announced from the APNIC address blocks: 38501
Unique aggregates announced from the APNIC address blocks: 18038
APNIC Region origin ASes present in the Internet Routing Table: 2583
APNIC Region origin ASes announcing only one prefix: 744
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 291932836
Equivalent to 17 /8s, 102 /16s and 138 /24s
Percentage of available APNIC address space announced: 91.3
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: 108295
Total ARIN prefixes after maximum aggregation: 59175
Prefixes being announced from the ARIN address blocks: 80631
Unique aggregates announced from the ARIN address blocks: 26493
ARIN Region origin ASes present in the Internet Routing Table: 10751
ARIN Region origin ASes announcing only one prefix: 4037
ARIN Region transit ASes present in the Internet Routing Table: 1016
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 292870945
Equivalent to 17 /8s, 116 /16s and 219 /24s
Percentage of available ARIN address space announced: 75.9
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: 39272
Total RIPE prefixes after maximum aggregation: 25503
Prefixes being announced from the RIPE address blocks: 36680
Unique aggregates announced from the RIPE address blocks: 23535
RIPE Region origin ASes present in the Internet Routing Table: 8124
RIPE Region origin ASes announcing only one prefix: 4227
RIPE Region transit ASes present in the Internet Routing Table: 1363
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 250525568
Equivalent to 14 /8s, 238 /16s and 183 /24s
Percentage of available RIPE address space announced: 78.6
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11394
Total LACNIC prefixes after maximum aggregation: 3672
Prefixes being announced from the LACNIC address blocks: 9499
Unique aggregates announced from the LACNIC address blocks: 5538
LACNIC Region origin ASes present in the Internet Routing Table: 687
LACNIC Region origin ASes announcing only one prefix: 226
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 27181056
Equivalent to 1 /8s, 158 /16s and 192 /24s
Percentage of available LACNIC address space announced: 40.5
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: 2211
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1526
Unique aggregates announced from the AfriNIC address blocks: 954
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 4098304
Equivalent to 0 /8s, 62 /16s and 137 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1193 7080 218 CHINANET-BACKBONE
4755 912 258 68 Videsh Sanchar Nigam Ltd. Aut
9583 899 109 17 Sify Limited
4766 712 4436 310 Korea Telecom (KIX)
1221 652 1668 481 Telstra Pty Ltd
9498 564 211 67 BHARTI BT INTERNET LTD.
7545 533 124 70 TPG Internet Pty Ltd
17488 514 32 9 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 411 85 24 Reliance Infocom Ltd Internet
4802 379 80 174 Wantree Development
9929 372 220 61 China Netcom Corp.
17557 365 29 169 Pakistan Telecom
4780 363 226 28 Digital United Inc.
7474 362 211 230 SingTel Optus Pty Ltd
17849 353 22 115 Telecommunications Technology
17974 344 118 17 PT TELEKOMUNIKASI INDONESIA
2907 339 1733 314 SINET Japan
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 693 1936 452 UUNET - Commercial IP service
3215 415 1664 94 France Telecom Transpac
3301 308 1072 294 TeliaNet Sweden
3352 308 1644 30 Ibernet, Internet Access Netw
8220 300 473 269 COLT Telecommunications
3320 285 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
5089 237 1659 45 NTL Group Limited
6746 237 89 211 Dynamic Network Technologies,
3246 236 504 226 Song Networks
1257 221 740 169 SWIPnet Swedish IP Network
8708 218 275 202 Romania Data Systems S.A.
24863 213 42 10 LINKdotNET AS number
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8764 192 65 32 LIETUVOS-TELEKOMAS Autonomous
30890 190 17 67 SC Kappa Invexim SRL
8866 178 37 16 Bulgarian Telecommunication C
6830 177 781 36 UPC Distribution Services
5400 175 348 141 BT Ignite European Backbone
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5044 6763 772 UUNET Technologies, Inc.
4323 3107 737 255 Time Warner Telecom
705 1624 596 712 UUNET Technologies, Inc.
7018 1490 6208 960 AT&T WorldNet Services
6197 1006 622 478 BellSouth Network Solutions,
721 991 21961 303 DLA Systems Automation Center
174 966 5787 901 Cogent Communications
19029 952 151 110 New Edge Networks
18566 942 272 8 Covad Communications
2386 888 523 683 AT&T Data Communications Serv
1239 848 2805 602 Sprint
7046 846 256 704 UUNET Technologies, Inc.
19262 706 2106 171 Verizon Global Networks
20115 704 614 379 Charter Communications
209 701 3685 546 Qwest
22773 660 1741 40 Cox Communications, Inc.
7011 636 218 414 Citizens Utilities
11492 621 87 21 Cable One
6461 608 228 87 AboveNet Communications, Inc.
852 594 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3107 2852 Time Warner Telecom
4134 1193 975 CHINANET-BACKBONE
18566 942 934 Covad Communications
705 1624 912 UUNET Technologies, Inc.
9583 899 882 Sify Limited
4755 912 844 Videsh Sanchar Nigam Ltd. Aut
19029 952 842 New Edge Networks
721 991 688 DLA Systems Automation Center
22773 660 620 Cox Communications, Inc.
11492 621 600 Cable One
19262 706 535 Verizon Global Networks
7018 1490 530 AT&T WorldNet Services
6197 1006 528 BellSouth Network Solutions,
6461 608 521 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 564 497 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
8151 702 478 UniNet S.A. de C.V.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
36038 UNALLOCATED 63.85.158.0/24 701 UUNET Technologies,
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
36814 UNALLOCATED 65.69.244.0/22 22773 Cox Communications,
36817 UNALLOCATED 66.112.176.0/20 6539 GT Group Telecom Ser
36720 UNALLOCATED 66.242.112.0/20 15227 FiberNet of West Vir
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
36863 UNALLOCATED 67.98.233.0/24 6395 Broadwing Communicat
39943 UNALLOCATED 69.48.147.0/24 22691 ISPnet, Inc.
36814 UNALLOCATED 70.169.204.0/24 22773 Cox Communications,
36235 UNALLOCATED 71.40.60.0/24 7132 SBC Internet Service
36735 UNALLOCATED 72.11.222.0/23 6461 AboveNet Communicati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
30679 UNALLOCATED 134.71.0.0/16 2152 California State Uni
65022 PRIVATE 194.252.152.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.156.205.0/24 12582 Sonera Solutions Dif
65022 PRIVATE 195.165.56.0/24 12582 Sonera Solutions Dif
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24481 UNALLOCATED 202.79.16.0/21 17494 Telecom Operator & I
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
36783 UNALLOCATED 208.66.220.0/22 19094 Adelphia Business So
36828 UNALLOCATED 208.67.80.0/21 3491 CAIS Internet
36235 UNALLOCATED 209.30.100.0/24 7132 SBC Internet Service
65010 PRIVATE 212.2.12.160/28 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 213.154.248.0/28 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
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
10.3.88.0/24 21240 HeliosNet Autonomous System
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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:67 /10:9 /11:28 /12:91
/13:206 /14:360 /15:710 /16:8849 /17:3295 /18:5484
/19:11958 /20:13501 /21:11854 /22:15298 /23:16604 /24:111634
/25:442 /26:327 /27:289 /28:217 /29:238 /30:481
/31:0 /32:106
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3782 5044 UUNET Technologies, Inc.
4323 1854 3107 Time Warner Telecom
705 1055 1624 UUNET Technologies, Inc.
18566 925 942 Covad Communications
19029 883 952 New Edge Networks
6197 794 1006 BellSouth Network Solutions,
7018 782 1490 AT&T WorldNet Services
9583 728 899 Sify Limited
11492 612 621 Cable One
2386 611 888 AT&T Data Communications Serv
7046 602 846 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 545 636 Citizens Utilities
6461 532 608 AboveNet Communications, Inc.
2686 525 570 IBM
4766 522 712 Korea Telecom (KIX)
702 476 693 UUNET - Commercial IP service
855 427 553 Canadian Research Network
5668 413 530 CenturyTel Internet Holdings,
15270 401 432 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:42 10:1 12:1642 13:1
15:14 16:3 17:3 18:4 20:43 24:737
25:1 30:2 32:278 38:224 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:47
58:177 59:210 60:186 61:858 62:893 63:3473
64:3532 65:3673 66:3642 67:650 68:673 69:1543
70:364 71:87 72:729 73:23 74:38 80:786
81:657 82:675 83:399 84:401 85:594 86:397
87:345 88:125 89:214 124:288 125:398 128:146
129:190 130:117 131:317 132:34 133:8 134:158
135:48 136:178 137:76 138:208 139:159 140:471
141:129 142:407 143:165 144:224 145:39 146:329
147:141 148:310 149:189 150:114 151:90 152:71
153:101 154:6 155:201 156:100 157:151 158:167
159:177 160:89 161:79 162:245 163:146 164:222
165:212 166:166 167:245 168:607 169:128 170:337
171:14 183:1 190:73 192:5861 193:3386 194:2756
195:2048 196:875 198:4036 199:3286 200:4446 201:949
202:6654 203:6944 204:4065 205:2199 206:2765 207:3527
208:2956 209:4174 210:2061 211:724 212:1391 213:1580
214:357 215:40 216:4493 217:1388 218:303 219:204
220:708 221:355 222:163
End of report
