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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 05 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 204638
Prefixes after maximum aggregation: 107386
Unique aggregates announced to Internet: 93808
Total ASes present in the Internet Routing Table: 22665
Origin-only ASes present in the Internet Routing Table: 19675
Origin ASes announcing only one prefix: 9422
Transit ASes present in the Internet Routing Table: 2990
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 21
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 5
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1539430389
Equivalent to 91 /8s, 193 /16s and 215 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 104825
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42533
Total APNIC prefixes after maximum aggregation: 17101
Prefixes being announced from the APNIC address blocks: 40133
Unique aggregates announced from the APNIC address blocks: 18437
APNIC Region origin ASes present in the Internet Routing Table: 2629
APNIC Region origin ASes announcing only one prefix: 739
APNIC Region transit ASes present in the Internet Routing Table: 400
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 234904228
Equivalent to 14 /8s, 0 /16s and 90 /24s
Percentage of available APNIC address space announced: 73.4
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: 108228
Total ARIN prefixes after maximum aggregation: 59600
Prefixes being announced from the ARIN address blocks: 80577
Unique aggregates announced from the ARIN address blocks: 27049
ARIN Region origin ASes present in the Internet Routing Table: 10825
ARIN Region origin ASes announcing only one prefix: 4073
ARIN Region transit ASes present in the Internet Routing Table: 1020
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 295104545
Equivalent to 17 /8s, 150 /16s and 240 /24s
Percentage of available ARIN address space announced: 76.5
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: 39800
Total RIPE prefixes after maximum aggregation: 26013
Prefixes being announced from the RIPE address blocks: 37173
Unique aggregates announced from the RIPE address blocks: 23925
RIPE Region origin ASes present in the Internet Routing Table: 8270
RIPE Region origin ASes announcing only one prefix: 4325
RIPE Region transit ASes present in the Internet Routing Table: 1373
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 255350976
Equivalent to 15 /8s, 56 /16s and 88 /24s
Percentage of available RIPE address space announced: 80.1
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: 11708
Total LACNIC prefixes after maximum aggregation: 3750
Prefixes being announced from the LACNIC address blocks: 9825
Unique aggregates announced from the LACNIC address blocks: 5610
LACNIC Region origin ASes present in the Internet Routing Table: 706
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 28072704
Equivalent to 1 /8s, 172 /16s and 91 /24s
Percentage of available LACNIC address space announced: 41.8
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: 2348
Total AfriNIC prefixes after maximum aggregation: 922
Prefixes being announced from the AfriNIC address blocks: 1571
Unique aggregates announced from the AfriNIC address blocks: 946
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4166400
Equivalent to 0 /8s, 63 /16s and 147 /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 1245 7254 226 CHINANET-BACKBONE
4755 927 256 69 Videsh Sanchar Nigam Ltd. Aut
9583 917 109 15 Sify Limited
4766 714 4435 309 Korea Telecom (KIX)
9498 710 211 66 BHARTI BT INTERNET LTD.
1221 647 1668 478 Telstra Pty Ltd
7545 547 124 73 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 498 2717 31 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 434 106 87 Primus Telecommunications
18101 421 85 24 Reliance Infocom Ltd Internet
17849 390 28 123 Telecommunications Technology
17974 385 129 14 PT TELEKOMUNIKASI INDONESIA
17557 383 30 173 Pakistan Telecom
4802 381 81 168 Wantree Development
9929 377 254 65 China Netcom Corp.
7474 363 211 230 SingTel Optus Pty Ltd
2907 343 1782 317 SINET Japan
4804 310 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 663 1948 445 UUNET - Commercial IP service
3215 402 1728 96 France Telecom Transpac
3301 316 1314 301 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
8220 283 471 266 COLT Telecommunications
3320 280 3988 235 Deutsche Telekom AG
680 240 2024 237 DFN-IP service G-WiN
5089 236 1659 45 NTL Group Limited
6746 232 89 207 Dynamic Network Technologies,
3246 231 463 221 Song Networks
1257 223 741 167 SWIPnet Swedish IP Network
8708 215 276 204 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
3269 202 2184 73 TELECOM ITALIA
30890 200 18 77 SC Kappa Invexim SRL
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 97 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5020 6753 780 UUNET Technologies, Inc.
4323 3172 748 269 Time Warner Telecom
705 1542 573 679 UUNET Technologies, Inc.
7018 1475 6253 945 AT&T WorldNet Services
721 1019 21998 314 DLA Systems Automation Center
6197 1017 636 478 BellSouth Network Solutions,
174 964 5771 894 Cogent Communications
18566 945 272 8 Covad Communications
2386 916 559 710 AT&T Data Communications Serv
1239 849 2785 605 Sprint
7046 837 252 694 UUNET Technologies, Inc.
19262 720 2168 188 Verizon Global Networks
20115 713 619 387 Charter Communications
209 694 3681 547 Qwest
22773 670 1741 40 Cox Communications, Inc.
7011 650 218 413 Citizens Utilities
11492 642 89 10 Cable One
6461 609 227 84 AboveNet Communications, Inc.
6198 600 568 237 BellSouth Network Solutions,
852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3172 2903 Time Warner Telecom
4134 1245 1019 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 917 902 Sify Limited
705 1542 863 UUNET Technologies, Inc.
4755 927 858 Videsh Sanchar Nigam Ltd. Aut
721 1019 705 DLA Systems Automation Center
9498 710 644 BHARTI BT INTERNET LTD.
11492 642 632 Cable One
22773 670 630 Cox Communications, Inc.
6197 1017 539 BellSouth Network Solutions,
19262 720 532 Verizon Global Networks
7018 1475 530 AT&T WorldNet Services
6461 609 525 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 529 506 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 571 499 Canadian Research Network
8151 700 488 UniNet S.A. de C.V.
7545 547 474 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
65005 PRIVATE 129.26.0.0/16 680 DFN-IP service G-WiN
65005 PRIVATE 192.54.34.0/23 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.241.0/24 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.245.0/24 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.246.0/23 680 DFN-IP service G-WiN
65005 PRIVATE 192.76.248.0/24 680 DFN-IP service G-WiN
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
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,
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
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 /10:10 /11:28 /12:93
/13:207 /14:364 /15:718 /16:8890 /17:3350 /18:5539
/19:12089 /20:13750 /21:12319 /22:15546 /23:16837 /24:112762
/25:464 /26:354 /27:283 /28:213 /29:217 /30:478
/31:0 /32:100
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3766 5020 UUNET Technologies, Inc.
4323 1880 3172 Time Warner Telecom
705 980 1542 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 797 1017 BellSouth Network Solutions,
7018 787 1475 AT&T WorldNet Services
9583 747 917 Sify Limited
2386 635 916 AT&T Data Communications Serv
11492 630 642 Cable One
7046 591 837 UUNET Technologies, Inc.
7011 559 650 Citizens Utilities
19916 557 563 OLM LLC
6461 536 609 AboveNet Communications, Inc.
4766 525 714 Korea Telecom (KIX)
702 448 663 UUNET - Commercial IP service
855 447 571 Canadian Research Network
2686 446 491 IBM
6198 442 600 BellSouth Network Solutions,
9498 414 710 BHARTI BT INTERNET LTD.
5668 412 529 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:41 12:1629 13:1 15:16
16:3 17:3 18:4 20:41 24:774 25:1
30:2 32:233 38:228 40:54 41:2 43:16
44:3 47:6 52:4 55:1 56:3 57:46
58:195 59:272 60:185 61:883 62:921 63:3419
64:3547 65:3663 66:3734 67:639 68:676 69:1542
70:388 71:85 72:798 74:52 75:1 80:797
81:663 82:687 83:391 84:392 85:583 86:395
87:398 88:109 89:315 121:1 122:2 123:1
124:268 125:526 128:152 129:189 130:120 131:313
132:35 133:8 134:160 135:48 136:178 137:84
138:204 139:137 140:483 141:134 142:406 143:168
144:224 145:39 146:320 147:142 148:342 149:193
150:114 151:94 152:72 153:106 154:6 155:206
156:185 157:148 158:166 159:173 160:91 161:80
162:244 163:158 164:231 165:222 166:172 167:241
168:612 169:128 170:352 171:14 183:1 190:82
192:5829 193:3379 194:2748 195:2095 196:897 198:4091
199:3302 200:4503 201:991 202:6903 203:7092 204:4078
205:2179 206:2802 207:3561 208:2988 209:3805 210:2129
211:753 212:1380 213:1586 214:356 215:41 216:4364
217:1388 218:312 219:283 220:734 221:367 222:200
End of report
