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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 08 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 207857
Prefixes after maximum aggregation: 108661
Unique aggregates announced to Internet: 95040
Total ASes present in the Internet Routing Table: 22898
Origin-only ASes present in the Internet Routing Table: 19867
Origin ASes announcing only one prefix: 9500
Transit ASes present in the Internet Routing Table: 3031
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 36
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1579034397
Equivalent to 94 /8s, 30 /16s and 39 /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: 107051
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43705
Total APNIC prefixes after maximum aggregation: 17618
Prefixes being announced from the APNIC address blocks: 41286
Unique aggregates announced from the APNIC address blocks: 18611
APNIC Region origin ASes present in the Internet Routing Table: 2671
APNIC Region origin ASes announcing only one prefix: 750
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 26
Number of APNIC addresses announced to Internet: 243995300
Equivalent to 14 /8s, 139 /16s and 18 /24s
Percentage of available APNIC address space announced: 76.3
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: 109406
Total ARIN prefixes after maximum aggregation: 60042
Prefixes being announced from the ARIN address blocks: 81557
Unique aggregates announced from the ARIN address blocks: 27228
ARIN Region origin ASes present in the Internet Routing Table: 10882
ARIN Region origin ASes announcing only one prefix: 4087
ARIN Region transit ASes present in the Internet Routing Table: 1031
Average ARIN Region AS path length visible: 3.2
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 299021345
Equivalent to 17 /8s, 210 /16s and 180 /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: 40286
Total RIPE prefixes after maximum aggregation: 26349
Prefixes being announced from the RIPE address blocks: 37584
Unique aggregates announced from the RIPE address blocks: 24319
RIPE Region origin ASes present in the Internet Routing Table: 8390
RIPE Region origin ASes announcing only one prefix: 4382
RIPE Region transit ASes present in the Internet Routing Table: 1399
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261394912
Equivalent to 15 /8s, 148 /16s and 145 /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: 12152
Total LACNIC prefixes after maximum aggregation: 3737
Prefixes being announced from the LACNIC address blocks: 10230
Unique aggregates announced from the LACNIC address blocks: 5869
LACNIC Region origin ASes present in the Internet Routing Table: 716
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: 31813376
Equivalent to 1 /8s, 229 /16s and 111 /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: 2273
Total AfriNIC prefixes after maximum aggregation: 915
Prefixes being announced from the AfriNIC address blocks: 1560
Unique aggregates announced from the AfriNIC address blocks: 938
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4168448
Equivalent to 0 /8s, 63 /16s and 155 /24s
Percentage of available AfriNIC address space announced: 12.4
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 1254 7805 247 CHINANET-BACKBONE
4755 962 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 939 109 15 Sify Limited
9498 763 211 70 BHARTI BT INTERNET LTD.
4766 726 4435 306 Korea Telecom (KIX)
1221 644 1779 476 Telstra Pty Ltd
7545 553 124 72 TPG Internet Pty Ltd
4538 522 2717 32 China Education and Research
17488 522 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 434 85 22 Reliance Infocom Ltd Internet
4812 415 740 61 China Telecom (Shanghai)
17849 412 30 123 Telecommunications Technology
17557 381 30 177 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 376 129 14 PT TELEKOMUNIKASI INDONESIA
7474 357 211 229 SingTel Optus Pty Ltd
2907 339 1733 312 SINET Japan
9929 318 210 39 China Netcom Corp.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 619 1932 441 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
680 246 2041 243 DFN-IP service G-WiN
6746 242 91 220 Dynamic Network Technologies,
24863 240 42 10 LINKdotNET AS number
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 180 12 7 BATELCO-BH
8866 180 37 15 Bulgarian Telecommunication C
6830 177 813 37 UPC Distribution Services
3300 176 171 99 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 5011 6785 786 UUNET Technologies, Inc.
4323 3198 747 278 Time Warner Telecom
705 1499 558 656 UUNET Technologies, Inc.
7018 1482 6233 949 AT&T WorldNet Services
6197 1019 636 478 BellSouth Network Solutions,
721 1003 21926 310 DLA Systems Automation Center
18566 953 272 8 Covad Communications
174 938 5769 884 Cogent Communications
2386 927 559 707 AT&T Data Communications Serv
1239 847 2780 595 Sprint
7046 827 251 683 UUNET Technologies, Inc.
19262 729 2228 187 Verizon Global Networks
20115 729 651 379 Charter Communications
11492 722 89 15 Cable One
209 692 3661 540 Qwest
22773 682 1741 41 Cox Communications, Inc.
7011 670 222 427 Citizens Utilities
6461 607 228 84 AboveNet Communications, Inc.
6198 597 556 238 BellSouth Network Solutions,
852 595 1068 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3198 2920 Time Warner Telecom
4134 1254 1007 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 939 924 Sify Limited
4755 962 897 Videsh Sanchar Nigam Ltd. Aut
705 1499 843 UUNET Technologies, Inc.
11492 722 707 Cable One
721 1003 693 DLA Systems Automation Center
9498 763 693 BHARTI BT INTERNET LTD.
22773 682 641 Cox Communications, Inc.
8151 789 561 UniNet S.A. de C.V.
19262 729 542 Verizon Global Networks
6197 1019 541 BellSouth Network Solutions,
7018 1482 533 AT&T WorldNet Services
6461 607 523 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
4538 522 490 China Education and Research
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
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 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 /12:96
/13:211 /14:374 /15:736 /16:8966 /17:3466 /18:5668
/19:12273 /20:13933 /21:12404 /22:15760 /23:17121 /24:114606
/25:461 /26:366 /27:299 /28:220 /29:195 /30:524
/31:0 /32:111
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3745 5011 UUNET Technologies, Inc.
4323 1901 3198 Time Warner Telecom
705 946 1499 UUNET Technologies, Inc.
18566 936 953 Covad Communications
6197 799 1019 BellSouth Network Solutions,
7018 787 1482 AT&T WorldNet Services
9583 772 939 Sify Limited
11492 710 722 Cable One
2386 647 927 AT&T Data Communications Serv
7046 585 827 UUNET Technologies, Inc.
7011 576 670 Citizens Utilities
19916 557 563 OLM LLC
4766 537 726 Korea Telecom (KIX)
6461 534 607 AboveNet Communications, Inc.
2686 514 559 IBM
9498 445 763 BHARTI BT INTERNET LTD.
855 441 567 Canadian Research Network
6198 441 597 BellSouth Network Solutions,
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 12:1625 13:1 15:15
16:3 17:3 18:4 20:41 24:811 25:1
30:2 32:267 38:241 40:52 41:8 44:3
45:13 47:6 52:4 55:1 56:3 57:54
58:210 59:277 60:190 61:947 62:964 63:3396
64:3607 65:3670 66:3800 67:649 68:680 69:1588
70:397 71:87 72:873 74:67 75:5 80:773
81:689 82:695 83:410 84:414 85:587 86:402
87:465 88:142 89:384 91:1 121:13 122:3
123:1 124:348 125:582 128:163 129:188 130:119
131:319 132:35 133:8 134:160 135:48 136:178
137:86 138:214 139:136 140:489 141:136 142:394
143:188 144:241 145:39 146:318 147:145 148:353
149:191 150:114 151:97 152:74 153:117 154:6
155:213 156:180 157:171 158:167 159:173 160:94
161:86 162:246 163:164 164:281 165:227 166:182
167:242 168:602 169:125 170:351 171:14 190:115
192:5836 193:3424 194:2805 195:2175 196:887 198:4031
199:3367 200:4651 201:1045 202:6950 203:7116 204:4078
205:2150 206:2800 207:3572 208:3014 209:3854 210:2253
211:864 212:1353 213:1515 214:363 215:41 216:4379
217:1368 218:345 219:280 220:752 221:373 222:242
End of report
