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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 31 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 207552
Prefixes after maximum aggregation: 108423
Unique aggregates announced to Internet: 94620
Total ASes present in the Internet Routing Table: 22828
Origin-only ASes present in the Internet Routing Table: 19887
Origin ASes announcing only one prefix: 9485
Transit ASes present in the Internet Routing Table: 2941
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 2.9
Max AS path length visible: 23
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 42
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1576709877
Equivalent to 93 /8s, 250 /16s and 174 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 106744
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43591
Total APNIC prefixes after maximum aggregation: 17597
Prefixes being announced from the APNIC address blocks: 41198
Unique aggregates announced from the APNIC address blocks: 18611
APNIC Region origin ASes present in the Internet Routing Table: 2666
APNIC Region origin ASes announcing only one prefix: 747
APNIC Region transit ASes present in the Internet Routing Table: 399
Average APNIC Region AS path length visible: 3.3
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 243758468
Equivalent to 14 /8s, 135 /16s and 117 /24s
Percentage of available APNIC address space announced: 76.2
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: 109430
Total ARIN prefixes after maximum aggregation: 59917
Prefixes being announced from the ARIN address blocks: 81620
Unique aggregates announced from the ARIN address blocks: 27104
ARIN Region origin ASes present in the Internet Routing Table: 10867
ARIN Region origin ASes announcing only one prefix: 4091
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 2.6
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 298316321
Equivalent to 17 /8s, 199 /16s and 242 /24s
Percentage of available ARIN address space announced: 77.3
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: 40171
Total RIPE prefixes after maximum aggregation: 26263
Prefixes being announced from the RIPE address blocks: 37556
Unique aggregates announced from the RIPE address blocks: 24167
RIPE Region origin ASes present in the Internet Routing Table: 8360
RIPE Region origin ASes announcing only one prefix: 4362
RIPE Region transit ASes present in the Internet Routing Table: 1357
Average RIPE Region AS path length visible: 3.1
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261005792
Equivalent to 15 /8s, 142 /16s and 161 /24s
Percentage of available RIPE address space announced: 81.9
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: 11968
Total LACNIC prefixes after maximum aggregation: 3730
Prefixes being announced from the LACNIC address blocks: 10061
Unique aggregates announced from the LACNIC address blocks: 5738
LACNIC Region origin ASes present in the Internet Routing Table: 711
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 123
Average LACNIC Region AS path length visible: 3.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 31320320
Equivalent to 1 /8s, 221 /16s and 233 /24s
Percentage of available LACNIC address space announced: 46.7
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: 2351
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1584
Unique aggregates announced from the AfriNIC address blocks: 976
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4203008
Equivalent to 0 /8s, 64 /16s and 34 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1295 7855 240 CHINANET-BACKBONE
4755 983 257 71 Videsh Sanchar Nigam Ltd. Aut
9583 926 109 15 Sify Limited
9498 776 211 69 BHARTI BT INTERNET LTD.
4766 717 4435 305 Korea Telecom (KIX)
1221 645 1779 476 Telstra Pty Ltd
7545 553 124 74 TPG Internet Pty Ltd
17488 520 32 18 Hathway IP Over Cable Interne
4538 518 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 429 85 22 Reliance Infocom Ltd Internet
4812 412 740 61 China Telecom (Shanghai)
17849 404 30 123 Telecommunications Technology
17974 387 129 14 PT TELEKOMUNIKASI INDONESIA
17557 382 30 174 Pakistan Telecom
4802 378 81 167 Wantree Development
7474 357 211 229 SingTel Optus Pty Ltd
2907 340 1733 313 SINET Japan
9929 324 216 43 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 625 1948 442 UUNET - Commercial IP service
3215 401 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3320 288 5012 235 Deutsche Telekom AG
8220 282 471 265 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 242 90 220 Dynamic Network Technologies,
3352 236 1639 33 Ibernet, Internet Access Netw
24863 235 42 10 LINKdotNET AS number
3246 232 462 222 Song Networks
5089 229 1657 45 NTL Group Limited
1257 224 742 168 SWIPnet Swedish IP Network
8708 215 276 204 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 207 19 79 SC Kappa Invexim SRL
3269 203 2246 73 TELECOM ITALIA
5416 180 12 7 BATELCO-BH
8866 180 37 15 Bulgarian Telecommunication C
6830 177 813 37 UPC Distribution Services
3300 175 171 98 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5031 6786 793 UUNET Technologies, Inc.
4323 3188 746 275 Time Warner Telecom
705 1514 559 660 UUNET Technologies, Inc.
7018 1479 6259 965 AT&T WorldNet Services
721 1025 21942 314 DLA Systems Automation Center
6197 1015 635 477 BellSouth Network Solutions,
18566 950 272 8 Covad Communications
174 934 5736 879 Cogent Communications
2386 912 559 703 AT&T Data Communications Serv
1239 865 2800 611 Sprint
7046 828 252 684 UUNET Technologies, Inc.
19262 728 2228 187 Verizon Global Networks
11492 718 89 15 Cable One
20115 715 623 387 Charter Communications
209 688 3662 544 Qwest
22773 677 1741 37 Cox Communications, Inc.
7011 650 218 414 Citizens Utilities
6461 610 228 83 AboveNet Communications, Inc.
4355 606 305 86 EarthLink, Inc.
6198 597 556 237 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3188 2913 Time Warner Telecom
4134 1295 1055 CHINANET-BACKBONE
18566 950 942 Covad Communications
4755 983 912 Videsh Sanchar Nigam Ltd. Aut
9583 926 911 Sify Limited
705 1514 854 UUNET Technologies, Inc.
721 1025 711 DLA Systems Automation Center
9498 776 707 BHARTI BT INTERNET LTD.
11492 718 703 Cable One
22773 677 640 Cox Communications, Inc.
19262 728 541 Verizon Global Networks
6197 1015 538 BellSouth Network Solutions,
6461 610 527 AboveNet Communications, Inc.
5668 544 521 CenturyTel Internet Holdings,
8151 735 520 UniNet S.A. de C.V.
4355 606 520 EarthLink, Inc.
7018 1479 514 AT&T WorldNet Services
19916 563 509 OLM LLC
17488 520 502 Hathway IP Over Cable Interne
855 561 490 Canadian Research Network
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc.
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
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
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
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
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,
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
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 219.148.40.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
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
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
1.0.0.0/8 65333 PRIVATE ASN
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
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 /8:19 /9:9 /10:11 /11:28 /12:97
/13:212 /14:372 /15:737 /16:8958 /17:3451 /18:5645
/19:12249 /20:13902 /21:12348 /22:15765 /23:17129 /24:114471
/25:462 /26:359 /27:289 /28:211 /29:191 /30:523
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3759 5031 UUNET Technologies, Inc.
4323 1892 3188 Time Warner Telecom
705 957 1514 UUNET Technologies, Inc.
18566 933 950 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 780 1479 AT&T WorldNet Services
9583 757 926 Sify Limited
11492 706 718 Cable One
2386 632 912 AT&T Data Communications Serv
7046 585 828 UUNET Technologies, Inc.
7011 558 650 Citizens Utilities
19916 557 563 OLM LLC
6461 538 610 AboveNet Communications, Inc.
4766 528 717 Korea Telecom (KIX)
2686 512 557 IBM
9498 446 776 BHARTI BT INTERNET LTD.
6198 440 597 BellSouth Network Solutions,
855 438 561 Canadian Research Network
5668 426 544 CenturyTel Internet Holdings,
15270 419 450 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:10 8:48 12:1612 13:1 15:15
16:3 17:3 18:4 20:41 24:808 25:1
30:2 32:265 38:241 40:53 41:8 44:3
47:6 52:4 55:1 56:3 57:48 58:213
59:277 60:178 61:940 62:932 63:3412 64:3604
65:3668 66:3797 67:650 68:681 69:1587 70:393
71:87 72:832 74:62 75:1 80:817 81:684
82:699 83:398 84:412 85:581 86:411 87:467
88:141 89:379 91:1 121:10 122:3 123:1
124:341 125:569 128:163 129:188 130:119 131:318
132:35 133:8 134:160 135:49 136:173 137:86
138:212 139:134 140:493 141:136 142:395 143:187
144:244 145:40 146:317 147:145 148:350 149:189
150:114 151:98 152:74 153:116 154:6 155:212
156:178 157:140 158:167 159:173 160:93 161:80
162:244 163:164 164:282 165:232 166:182 167:243
168:598 169:125 170:354 171:14 183:1 190:97
192:5837 193:3406 194:2791 195:2161 196:891 198:4043
199:3366 200:4609 201:1029 202:6956 203:7143 204:4071
205:2158 206:2822 207:3629 208:3018 209:3936 210:2230
211:852 212:1362 213:1477 214:364 215:41 216:4383
217:1415 218:333 219:280 220:744 221:360 222:227
End of report
