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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 16 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205476
Prefixes after maximum aggregation: 107577
Unique aggregates announced to Internet: 93962
Total ASes present in the Internet Routing Table: 22725
Origin-only ASes present in the Internet Routing Table: 19692
Origin ASes announcing only one prefix: 9444
Transit ASes present in the Internet Routing Table: 3033
Transit-only ASes present in the Internet Routing Table: 79
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 28
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1551877301
Equivalent to 92 /8s, 127 /16s and 196 /24s
Percentage of available address space announced: 41.9
Percentage of allocated address space announced: 60.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105403
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42708
Total APNIC prefixes after maximum aggregation: 17213
Prefixes being announced from the APNIC address blocks: 40329
Unique aggregates announced from the APNIC address blocks: 18328
APNIC Region origin ASes present in the Internet Routing Table: 2635
APNIC Region origin ASes announcing only one prefix: 742
APNIC Region transit ASes present in the Internet Routing Table: 405
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 239289252
Equivalent to 14 /8s, 67 /16s and 67 /24s
Percentage of available APNIC address space announced: 74.8
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: 108565
Total ARIN prefixes after maximum aggregation: 59622
Prefixes being announced from the ARIN address blocks: 80885
Unique aggregates announced from the ARIN address blocks: 27018
ARIN Region origin ASes present in the Internet Routing Table: 10844
ARIN Region origin ASes announcing only one prefix: 4075
ARIN Region transit ASes present in the Internet Routing Table: 1027
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 296003105
Equivalent to 17 /8s, 164 /16s and 166 /24s
Percentage of available ARIN address space announced: 76.7
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: 39856
Total RIPE prefixes after maximum aggregation: 26074
Prefixes being announced from the RIPE address blocks: 37276
Unique aggregates announced from the RIPE address blocks: 24068
RIPE Region origin ASes present in the Internet Routing Table: 8304
RIPE Region origin ASes announcing only one prefix: 4346
RIPE Region transit ASes present in the Internet Routing Table: 1400
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 260168576
Equivalent to 15 /8s, 129 /16s and 219 /24s
Percentage of available RIPE address space announced: 81.6
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: 11965
Total LACNIC prefixes after maximum aggregation: 3760
Prefixes being announced from the LACNIC address blocks: 10019
Unique aggregates announced from the LACNIC address blocks: 5680
LACNIC Region origin ASes present in the Internet Routing Table: 703
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 31134976
Equivalent to 1 /8s, 219 /16s and 21 /24s
Percentage of available LACNIC address space announced: 46.4
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: 2363
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1576
Unique aggregates announced from the AfriNIC address blocks: 939
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: 26
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4182784
Equivalent to 0 /8s, 63 /16s and 211 /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 1247 7512 233 CHINANET-BACKBONE
4755 941 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 914 109 15 Sify Limited
9498 769 211 71 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 550 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2715 30 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 427 85 23 Reliance Infocom Ltd Internet
17974 404 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 393 281 57 China Netcom Corp.
17557 383 30 172 Pakistan Telecom
4802 380 81 169 Wantree Development
7474 357 211 230 SingTel Optus Pty Ltd
2907 341 1750 314 SINET Japan
4804 310 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 641 1932 442 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 305 1639 33 Ibernet, Internet Access Netw
3320 284 5012 233 Deutsche Telekom AG
8220 283 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 233 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
5089 230 1657 44 NTL Group Limited
1257 219 741 163 SWIPnet Swedish IP Network
24863 218 42 10 LINKdotNET AS number
8708 216 276 205 Romania Data Systems S.A.
8551 209 198 29 Bezeq International
30890 206 18 80 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
786 170 1778 170 The JANET IP Service
3300 170 171 96 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5019 6752 777 UUNET Technologies, Inc.
4323 3174 746 274 Time Warner Telecom
705 1528 561 673 UUNET Technologies, Inc.
7018 1466 6221 938 AT&T WorldNet Services
6197 1016 636 477 BellSouth Network Solutions,
721 1006 21917 307 DLA Systems Automation Center
18566 947 272 8 Covad Communications
174 944 5753 890 Cogent Communications
2386 919 558 708 AT&T Data Communications Serv
1239 853 2786 604 Sprint
7046 835 253 691 UUNET Technologies, Inc.
19262 723 2190 187 Verizon Global Networks
20115 714 622 386 Charter Communications
209 693 3663 546 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 657 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 611 228 83 AboveNet Communications, Inc.
6198 599 556 236 BellSouth Network Solutions,
852 597 1084 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3174 2900 Time Warner Telecom
4134 1247 1014 CHINANET-BACKBONE
18566 947 939 Covad Communications
9583 914 899 Sify Limited
4755 941 875 Videsh Sanchar Nigam Ltd. Aut
705 1528 855 UUNET Technologies, Inc.
721 1006 699 DLA Systems Automation Center
9498 769 698 BHARTI BT INTERNET LTD.
11492 657 646 Cable One
22773 674 634 Cox Communications, Inc.
6197 1016 539 BellSouth Network Solutions,
19262 723 536 Verizon Global Networks
7018 1466 528 AT&T WorldNet Services
6461 611 528 AboveNet Communications, Inc.
5668 533 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 519 502 Hathway IP Over Cable Interne
855 573 499 Canadian Research Network
4538 511 481 China Education and Research
7545 550 476 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
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
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
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
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
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 /8:18 /9:9 /10:11 /11:28 /12:95
/13:208 /14:369 /15:727 /16:8919 /17:3373 /18:5565
/19:12157 /20:13825 /21:12278 /22:15624 /23:16945 /24:113145
/25:464 /26:365 /27:283 /28:208 /29:228 /30:518
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3772 5019 UUNET Technologies, Inc.
4323 1880 3174 Time Warner Telecom
705 970 1528 UUNET Technologies, Inc.
18566 930 947 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 776 1466 AT&T WorldNet Services
9583 744 914 Sify Limited
11492 645 657 Cable One
2386 635 919 AT&T Data Communications Serv
7046 590 835 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 539 611 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 513 558 IBM
855 447 573 Canadian Research Network
6198 443 599 BellSouth Network Solutions,
9498 431 769 BHARTI BT INTERNET LTD.
702 429 641 UUNET - Commercial IP service
5668 416 533 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1629 13:1
15:15 16:3 17:3 18:4 20:41 24:783
25:1 30:2 32:264 38:235 40:54 41:7
44:3 47:6 52:4 55:1 56:3 57:47
58:202 59:278 60:191 61:870 62:943 63:3418
64:3593 65:3658 66:3756 67:643 68:678 69:1570
70:390 71:86 72:821 74:56 75:1 80:788
81:678 82:688 83:391 84:395 85:585 86:408
87:410 88:117 89:341 91:1 121:3 122:3
123:1 124:277 125:555 128:162 129:184 130:120
131:311 132:35 133:9 134:159 135:49 136:178
137:84 138:206 139:139 140:411 141:135 142:405
143:167 144:230 145:40 146:316 147:142 148:341
149:194 150:114 151:96 152:73 153:107 154:6
155:205 156:187 157:145 158:166 159:174 160:93
161:75 162:245 163:160 164:282 165:229 166:174
167:243 168:614 169:125 170:353 171:14 183:1
190:88 192:5802 193:3365 194:2760 195:2124 196:882
198:4089 199:3359 200:4619 201:970 202:6849 203:7119
204:4064 205:2170 206:2784 207:3561 208:3003 209:3802
210:2150 211:758 212:1366 213:1579 214:361 215:41
216:4363 217:1403 218:314 219:262 220:735 221:351
222:199
End of report
