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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 09 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 208181
Prefixes after maximum aggregation: 108702
Unique aggregates announced to Internet: 95004
Total ASes present in the Internet Routing Table: 22918
Origin-only ASes present in the Internet Routing Table: 19888
Origin ASes announcing only one prefix: 9499
Transit ASes present in the Internet Routing Table: 3030
Transit-only ASes present in the Internet Routing Table: 80
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 30
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 46
Unregistered ASNs in the Routing Table: 18
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1579615229
Equivalent to 94 /8s, 39 /16s and 3 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 107164
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43912
Total APNIC prefixes after maximum aggregation: 17646
Prefixes being announced from the APNIC address blocks: 41508
Unique aggregates announced from the APNIC address blocks: 18587
APNIC Region origin ASes present in the Internet Routing Table: 2682
APNIC Region origin ASes announcing only one prefix: 752
APNIC Region transit ASes present in the Internet Routing Table: 406
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 25
Number of APNIC addresses announced to Internet: 244598660
Equivalent to 14 /8s, 148 /16s and 71 /24s
Percentage of available APNIC address space announced: 76.5
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: 109455
Total ARIN prefixes after maximum aggregation: 60060
Prefixes being announced from the ARIN address blocks: 81613
Unique aggregates announced from the ARIN address blocks: 27281
ARIN Region origin ASes present in the Internet Routing Table: 10880
ARIN Region origin ASes announcing only one prefix: 4082
ARIN Region transit ASes present in the Internet Routing Table: 1030
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 299062305
Equivalent to 17 /8s, 211 /16s and 84 /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: 40277
Total RIPE prefixes after maximum aggregation: 26345
Prefixes being announced from the RIPE address blocks: 37596
Unique aggregates announced from the RIPE address blocks: 24291
RIPE Region origin ASes present in the Internet Routing Table: 8399
RIPE Region origin ASes announcing only one prefix: 4383
RIPE Region transit ASes present in the Internet Routing Table: 1395
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 261482464
Equivalent to 15 /8s, 149 /16s and 231 /24s
Percentage of available RIPE address space announced: 82.0
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: 12162
Total LACNIC prefixes after maximum aggregation: 3729
Prefixes being announced from the LACNIC address blocks: 10233
Unique aggregates announced from the LACNIC address blocks: 5882
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 31818496
Equivalent to 1 /8s, 229 /16s and 131 /24s
Percentage of available LACNIC address space announced: 47.4
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: 2330
Total AfriNIC prefixes after maximum aggregation: 922
Prefixes being announced from the AfriNIC address blocks: 1579
Unique aggregates announced from the AfriNIC address blocks: 955
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC addresses announced to Internet: 4199936
Equivalent to 0 /8s, 64 /16s and 22 /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 1293 7914 239 CHINANET-BACKBONE
4755 963 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 938 109 15 Sify Limited
9498 779 211 70 BHARTI BT INTERNET LTD.
4766 726 4435 306 Korea Telecom (KIX)
1221 646 1779 477 Telstra Pty Ltd
4538 604 2717 31 China Education and Research
7545 553 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 436 85 22 Reliance Infocom Ltd Internet
4812 414 740 61 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
4802 378 81 167 Wantree Development
17974 377 129 14 PT TELEKOMUNIKASI INDONESIA
7474 357 211 229 SingTel Optus Pty Ltd
17557 357 29 169 Pakistan Telecom
2907 339 1733 312 SINET Japan
9929 313 198 38 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 618 1932 440 UUNET - Commercial IP service
3215 401 1760 97 France Telecom Transpac
3301 315 1186 300 TeliaNet Sweden
3320 294 5013 238 Deutsche Telekom AG
8220 285 471 268 COLT Telecommunications
24863 247 42 10 LINKdotNET AS number
680 246 2041 243 DFN-IP service G-WiN
6746 242 91 220 Dynamic Network Technologies,
3246 232 462 222 Song Networks
5089 230 1657 45 NTL Group Limited
1257 224 742 168 SWIPnet Swedish IP Network
8708 215 278 203 Romania Data Systems S.A.
3269 203 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 19 85 SC Kappa Invexim SRL
5416 181 12 7 BATELCO-BH
8866 181 37 15 Bulgarian Telecommunication C
6830 177 813 37 UPC Distribution Services
3300 174 171 97 AUCS Communications Services
786 171 1778 171 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5018 6786 788 UUNET Technologies, Inc.
4323 3202 747 278 Time Warner Telecom
705 1503 559 658 UUNET Technologies, Inc.
7018 1479 6233 945 AT&T WorldNet Services
6197 1019 636 478 BellSouth Network Solutions,
721 1006 21942 311 DLA Systems Automation Center
18566 953 272 8 Covad Communications
174 937 5753 883 Cogent Communications
2386 926 559 706 AT&T Data Communications Serv
1239 852 2797 600 Sprint
7046 826 251 682 UUNET Technologies, Inc.
20115 730 651 380 Charter Communications
19262 727 2212 186 Verizon Global Networks
11492 723 90 16 Cable One
209 693 3661 540 Qwest
22773 682 1741 41 Cox Communications, Inc.
7011 668 221 427 Citizens Utilities
6461 606 228 84 AboveNet Communications, Inc.
6198 598 556 238 BellSouth Network Solutions,
852 595 1068 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3202 2924 Time Warner Telecom
4134 1293 1054 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 938 923 Sify Limited
4755 963 898 Videsh Sanchar Nigam Ltd. Aut
705 1503 845 UUNET Technologies, Inc.
9498 779 709 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
721 1006 695 DLA Systems Automation Center
22773 682 641 Cox Communications, Inc.
4538 604 573 China Education and Research
8151 785 560 UniNet S.A. de C.V.
6197 1019 541 BellSouth Network Solutions,
19262 727 541 Verizon Global Networks
7018 1479 534 AT&T WorldNet Services
6461 606 522 AboveNet Communications, Inc.
5668 539 520 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 567 493 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
65101 PRIVATE 84.16.28.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.29.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.30.0/24 12956 Telefonica Data Auto
65101 PRIVATE 84.16.31.0/24 12956 Telefonica Data Auto
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc.
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
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 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
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
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 /10:11 /11:28 /12:97
/13:211 /14:375 /15:737 /16:8984 /17:3470 /18:5680
/19:12319 /20:14009 /21:12439 /22:15859 /23:17157 /24:114600
/25:462 /26:362 /27:298 /28:222 /29:195 /30:527
/31:0 /32:111
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3751 5018 UUNET Technologies, Inc.
4323 1903 3202 Time Warner Telecom
705 950 1503 UUNET Technologies, Inc.
18566 936 953 Covad Communications
6197 799 1019 BellSouth Network Solutions,
7018 783 1479 AT&T WorldNet Services
9583 771 938 Sify Limited
11492 711 723 Cable One
2386 646 926 AT&T Data Communications Serv
7046 584 826 UUNET Technologies, Inc.
7011 574 668 Citizens Utilities
19916 557 563 OLM LLC
4766 537 726 Korea Telecom (KIX)
6461 533 606 AboveNet Communications, Inc.
2686 514 558 IBM
9498 460 779 BHARTI BT INTERNET LTD.
6198 442 598 BellSouth Network Solutions,
855 441 567 Canadian Research Network
15270 425 456 PaeTec.net -a division of Pae
5668 422 539 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:50 12:1621 13:1 15:15
16:3 17:3 18:4 20:41 24:806 25:1
30:2 32:268 38:241 40:52 41:9 44:3
45:12 47:6 52:4 55:1 56:3 57:54
58:207 59:278 60:179 61:950 62:959 63:3387
64:3603 65:3673 66:3793 67:655 68:676 69:1589
70:396 71:87 72:874 74:67 75:5 80:770
81:687 82:694 83:396 84:414 85:593 86:402
87:465 88:142 89:362 91:1 121:13 122:4
123:1 124:348 125:596 128:163 129:188 130:119
131:319 132:35 133:8 134:160 135:48 136:174
137:86 138:214 139:136 140:490 141:136 142:395
143:188 144:241 145:39 146:316 147:145 148:353
149:190 150:114 151:97 152:74 153:117 154:6
155:213 156:180 157:172 158:167 159:173 160:94
161:86 162:246 163:164 164:281 165:227 166:182
167:242 168:602 169:125 170:353 171:14 190:116
192:5839 193:3417 194:2806 195:2179 196:878 198:4030
199:3367 200:4650 201:1041 202:6923 203:7127 204:4081
205:2156 206:2819 207:3572 208:3021 209:3865 210:2255
211:883 212:1363 213:1523 214:366 215:41 216:4378
217:1361 218:345 219:280 220:754 221:374 222:242
End of report
