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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Mon 10 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199650
Prefixes after maximum aggregation: 106540
Unique aggregates announced to Internet: 93871
Total ASes present in the Internet Routing Table: 22669
Origin-only ASes present in the Internet Routing Table: 19665
Origin ASes announcing only one prefix: 9430
Transit ASes present in the Internet Routing Table: 3004
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 26
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 15
Unregistered ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1541739317
Equivalent to 91 /8s, 229 /16s and 19 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.2
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 100601
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42525
Total APNIC prefixes after maximum aggregation: 17145
Prefixes being announced from the APNIC address blocks: 40130
Unique aggregates announced from the APNIC address blocks: 18347
APNIC Region origin ASes present in the Internet Routing Table: 2626
APNIC Region origin ASes announcing only one prefix: 735
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: 19
Number of APNIC addresses announced to Internet: 235908516
Equivalent to 14 /8s, 15 /16s and 173 /24s
Percentage of available APNIC address space announced: 73.8
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: 103124
Total ARIN prefixes after maximum aggregation: 58759
Prefixes being announced from the ARIN address blocks: 75495
Unique aggregates announced from the ARIN address blocks: 27062
ARIN Region origin ASes present in the Internet Routing Table: 10840
ARIN Region origin ASes announcing only one prefix: 4084
ARIN Region transit ASes present in the Internet Routing Table: 1035
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 295386657
Equivalent to 17 /8s, 155 /16s and 62 /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: 39703
Total RIPE prefixes after maximum aggregation: 25977
Prefixes being announced from the RIPE address blocks: 37105
Unique aggregates announced from the RIPE address blocks: 23952
RIPE Region origin ASes present in the Internet Routing Table: 8272
RIPE Region origin ASes announcing only one prefix: 4331
RIPE Region transit ASes present in the Internet Routing Table: 1370
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 256026368
Equivalent to 15 /8s, 66 /16s and 167 /24s
Percentage of available RIPE address space announced: 80.3
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: 11929
Total LACNIC prefixes after maximum aggregation: 3743
Prefixes being announced from the LACNIC address blocks: 9994
Unique aggregates announced from the LACNIC address blocks: 5634
LACNIC Region origin ASes present in the Internet Routing Table: 702
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 28317440
Equivalent to 1 /8s, 176 /16s and 23 /24s
Percentage of available LACNIC address space announced: 42.2
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: 2355
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1572
Unique aggregates announced from the AfriNIC address blocks: 951
AfriNIC Region origin ASes present in the Internet Routing Table: 159
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: 3.5
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4191744
Equivalent to 0 /8s, 63 /16s and 246 /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 1248 7447 231 CHINANET-BACKBONE
4755 925 256 69 Videsh Sanchar Nigam Ltd. Aut
9583 909 109 15 Sify Limited
9498 717 211 69 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1668 478 Telstra Pty Ltd
7545 549 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 503 2717 31 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 424 85 24 Reliance Infocom Ltd Internet
17974 407 129 14 PT TELEKOMUNIKASI INDONESIA
17849 396 28 123 Telecommunications Technology
17557 381 30 172 Pakistan Telecom
4802 380 81 169 Wantree Development
9929 377 254 65 China Netcom Corp.
7474 359 211 229 SingTel Optus Pty Ltd
2907 338 1733 312 SINET Japan
4804 309 295 57 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 654 1948 445 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 304 1639 33 Ibernet, Internet Access Netw
3320 279 3988 235 Deutsche Telekom AG
8220 279 470 262 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
5089 236 1659 45 NTL Group Limited
6746 235 89 210 Dynamic Network Technologies,
3246 232 463 222 Song Networks
1257 223 741 167 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 205 18 79 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 187 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 170 171 97 AUCS Communications Services
786 169 1778 169 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4323 3174 748 268 Time Warner Telecom
7018 1483 6253 942 AT&T WorldNet Services
721 1026 21998 315 DLA Systems Automation Center
6197 1017 636 478 BellSouth Network Solutions,
705 1002 527 354 UUNET Technologies, Inc.
174 964 5739 893 Cogent Communications
701 950 6753 775 UUNET Technologies, Inc.
18566 945 272 8 Covad Communications
2386 919 558 711 AT&T Data Communications Serv
1239 842 2802 597 Sprint
19262 723 2188 191 Verizon Global Networks
20115 714 620 382 Charter Communications
209 691 3679 544 Qwest
22773 674 1741 40 Cox Communications, Inc.
11492 654 89 10 Cable One
7011 650 218 412 Citizens Utilities
6461 611 228 84 AboveNet Communications, Inc.
6198 600 568 237 BellSouth Network Solutions,
852 597 1084 382 Telus Advanced Communications
855 569 183 70 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1248 1017 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 909 894 Sify Limited
4755 925 856 Videsh Sanchar Nigam Ltd. Aut
721 1026 711 DLA Systems Automation Center
705 1002 648 UUNET Technologies, Inc.
9498 717 648 BHARTI BT INTERNET LTD.
11492 654 644 Cable One
22773 674 634 Cox Communications, Inc.
7018 1483 541 AT&T WorldNet Services
6197 1017 539 BellSouth Network Solutions,
19262 723 532 Verizon Global Networks
6461 611 527 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 531 508 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 569 499 Canadian Research Network
8151 701 481 UniNet S.A. de C.V.
7545 549 475 TPG Internet Pty Ltd
4538 503 472 China Education and Research
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
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
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 /10:10 /11:28 /12:93
/13:208 /14:365 /15:717 /16:8908 /17:3359 /18:5549
/19:12115 /20:13750 /21:12154 /22:15380 /23:16473 /24:108400
/25:459 /26:356 /27:284 /28:215 /29:215 /30:483
/31:0 /32:102
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
4323 1886 3174 Time Warner Telecom
18566 928 945 Covad Communications
6197 797 1017 BellSouth Network Solutions,
7018 790 1483 AT&T WorldNet Services
9583 739 909 Sify Limited
11492 642 654 Cable One
2386 638 919 AT&T Data Communications Serv
705 562 1002 UUNET Technologies, Inc.
7011 558 650 Citizens Utilities
19916 557 563 OLM LLC
6461 539 611 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
855 447 569 Canadian Research Network
2686 447 492 IBM
6198 442 600 BellSouth Network Solutions,
702 440 654 UUNET - Commercial IP service
9498 418 717 BHARTI BT INTERNET LTD.
5668 414 531 CenturyTel Internet Holdings,
15270 409 440 PaeTec.net -a division of Pae
17849 390 396 Telecommunications Technology
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 11:1 12:1624 13:1
15:15 16:3 17:3 18:4 20:41 24:781
25:1 30:2 32:233 38:235 40:54 41:3
44:3 47:6 52:4 55:1 56:3 57:46
58:199 59:275 60:183 61:880 62:936 63:2111
64:3468 65:2271 66:3681 67:639 68:677 69:1543
70:391 71:85 72:802 74:53 75:1 80:800
81:672 82:695 83:394 84:394 85:583 86:407
87:398 88:113 89:317 121:1 122:2 123:1
124:275 125:542 128:161 129:184 130:120 131:314
132:35 133:8 134:160 135:48 136:178 137:82
138:206 139:137 140:491 141:134 142:400 143:170
144:228 145:40 146:318 147:142 148:343 149:194
150:114 151:93 152:72 153:106 154:6 155:207
156:186 157:147 158:167 159:172 160:91 161:80
162:245 163:160 164:278 165:223 166:173 167:243
168:612 169:125 170:352 171:14 183:1 190:83
192:5816 193:3373 194:2753 195:2098 196:895 198:4033
199:3265 200:4630 201:988 202:6886 203:7082 204:3970
205:2059 206:2617 207:3369 208:2246 209:3713 210:2110
211:752 212:1367 213:1573 214:358 215:41 216:4196
217:1386 218:312 219:275 220:734 221:356 222:199
End of report
