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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 07 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205020
Prefixes after maximum aggregation: 107381
Unique aggregates announced to Internet: 93785
Total ASes present in the Internet Routing Table: 22649
Origin-only ASes present in the Internet Routing Table: 19778
Origin ASes announcing only one prefix: 9436
Transit ASes present in the Internet Routing Table: 2871
Transit-only ASes present in the Internet Routing Table: 61
Average AS path length visible in the Internet Routing Table: 2.7
Max AS path length visible: 19
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 16
Unregistered ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1540622581
Equivalent to 91 /8s, 212 /16s and 8 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105201
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42900
Total APNIC prefixes after maximum aggregation: 17155
Prefixes being announced from the APNIC address blocks: 40440
Unique aggregates announced from the APNIC address blocks: 18364
APNIC Region origin ASes present in the Internet Routing Table: 2630
APNIC Region origin ASes announcing only one prefix: 740
APNIC Region transit ASes present in the Internet Routing Table: 393
Average APNIC Region AS path length visible: 3.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 235930020
Equivalent to 14 /8s, 16 /16s and 1 /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: 108300
Total ARIN prefixes after maximum aggregation: 59614
Prefixes being announced from the ARIN address blocks: 80580
Unique aggregates announced from the ARIN address blocks: 27030
ARIN Region origin ASes present in the Internet Routing Table: 10834
ARIN Region origin ASes announcing only one prefix: 4085
ARIN Region transit ASes present in the Internet Routing Table: 975
Average ARIN Region AS path length visible: 2.4
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 295238689
Equivalent to 17 /8s, 152 /16s and 252 /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: 39584
Total RIPE prefixes after maximum aggregation: 25950
Prefixes being announced from the RIPE address blocks: 36973
Unique aggregates announced from the RIPE address blocks: 23936
RIPE Region origin ASes present in the Internet Routing Table: 8261
RIPE Region origin ASes announcing only one prefix: 4324
RIPE Region transit ASes present in the Internet Routing Table: 1321
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 255312832
Equivalent to 15 /8s, 55 /16s and 195 /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: 11860
Total LACNIC prefixes after maximum aggregation: 3747
Prefixes being announced from the LACNIC address blocks: 9944
Unique aggregates announced from the LACNIC address blocks: 5630
LACNIC Region origin ASes present in the Internet Routing Table: 705
LACNIC Region origin ASes announcing only one prefix: 241
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 3.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 28365312
Equivalent to 1 /8s, 176 /16s and 210 /24s
Percentage of available LACNIC address space announced: 42.3
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: 2361
Total AfriNIC prefixes after maximum aggregation: 915
Prefixes being announced from the AfriNIC address blocks: 1570
Unique aggregates announced from the AfriNIC address blocks: 950
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 46
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC addresses announced to Internet: 4172544
Equivalent to 0 /8s, 63 /16s and 171 /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 1248 7462 229 CHINANET-BACKBONE
4755 926 256 72 Videsh Sanchar Nigam Ltd. Aut
9583 909 109 15 Sify Limited
4766 714 4435 309 Korea Telecom (KIX)
9498 714 211 68 BHARTI BT INTERNET LTD.
1221 646 1668 478 Telstra Pty Ltd
7545 547 124 73 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 422 85 24 Reliance Infocom Ltd Internet
17974 405 129 14 PT TELEKOMUNIKASI INDONESIA
10013 403 97 42 FreeBit.Com Co.,LTD.
17849 386 28 121 Telecommunications Technology
17557 383 30 173 Pakistan Telecom
4802 382 81 169 Wantree Development
9929 377 254 65 China Netcom Corp.
7474 360 211 230 SingTel Optus Pty Ltd
2907 341 1750 315 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 658 1946 444 UUNET - Commercial IP service
3215 402 1728 96 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 305 1643 30 Ibernet, Internet Access Netw
8220 283 471 266 COLT Telecommunications
3320 279 3988 235 Deutsche Telekom AG
680 246 2041 243 DFN-IP service G-WiN
5089 235 1643 44 NTL Group Limited
6746 233 89 208 Dynamic Network Technologies,
3246 231 463 221 Song Networks
1257 223 741 167 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 216 42 11 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 203 18 79 SC Kappa Invexim SRL
3269 202 2184 73 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 169 171 96 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5035 6770 784 UUNET Technologies, Inc.
4323 3176 748 269 Time Warner Telecom
705 1542 573 679 UUNET Technologies, Inc.
7018 1492 6270 951 AT&T WorldNet Services
721 1026 21982 313 DLA Systems Automation Center
6197 1016 636 478 BellSouth Network Solutions,
174 957 5738 886 Cogent Communications
18566 945 272 8 Covad Communications
2386 919 561 711 AT&T Data Communications Serv
1239 847 2785 602 Sprint
7046 843 253 700 UUNET Technologies, Inc.
19262 724 2204 192 Verizon Global Networks
20115 714 620 382 Charter Communications
209 683 3681 546 Qwest
22773 671 1741 37 Cox Communications, Inc.
11492 654 89 10 Cable One
7011 651 218 413 Citizens Utilities
6461 611 228 85 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 3176 2907 Time Warner Telecom
4134 1248 1019 CHINANET-BACKBONE
18566 945 937 Covad Communications
9583 909 894 Sify Limited
705 1542 863 UUNET Technologies, Inc.
4755 926 854 Videsh Sanchar Nigam Ltd. Aut
721 1026 713 DLA Systems Automation Center
9498 714 646 BHARTI BT INTERNET LTD.
11492 654 644 Cable One
22773 671 634 Cox Communications, Inc.
7018 1492 541 AT&T WorldNet Services
6197 1016 538 BellSouth Network Solutions,
19262 724 532 Verizon Global Networks
6461 611 526 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 568 499 Canadian Research Network
7545 547 474 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
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
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 /14:364 /15:719 /16:8903 /17:3352 /18:5549
/19:12105 /20:13775 /21:12217 /22:15559 /23:16872 /24:112798
/25:508 /26:387 /27:322 /28:259 /29:263 /30:503
/31:0 /32:199
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3774 5035 UUNET Technologies, Inc.
4323 1884 3176 Time Warner Telecom
705 981 1542 UUNET Technologies, Inc.
18566 928 945 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 793 1492 AT&T WorldNet Services
9583 739 909 Sify Limited
11492 642 654 Cable One
2386 636 919 AT&T Data Communications Serv
7046 597 843 UUNET Technologies, Inc.
7011 559 651 Citizens Utilities
19916 557 563 OLM LLC
6461 537 611 AboveNet Communications, Inc.
4766 525 714 Korea Telecom (KIX)
855 447 568 Canadian Research Network
2686 446 491 IBM
702 444 658 UUNET - Commercial IP service
6198 442 600 BellSouth Network Solutions,
9498 418 714 BHARTI BT INTERNET LTD.
5668 413 530 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:42 12:1630 13:1 15:15
16:3 17:3 18:4 20:41 24:781 25:1
30:2 32:233 38:231 40:54 41:2 43:16
44:3 47:6 52:4 55:1 56:3 57:37
58:199 59:270 60:189 61:880 62:932 63:3423
64:3537 65:3664 66:3729 67:638 68:678 69:1540
70:391 71:85 72:798 74:53 75:1 80:793
81:665 82:692 83:393 84:393 85:582 86:393
87:389 88:111 89:305 121:1 122:2 123:1
124:268 125:541 128:154 129:191 130:120 131:315
132:35 133:8 134:160 135:48 136:178 137:84
138:206 139:136 140:490 141:134 142:406 143:170
144:225 145:39 146:319 147:142 148:342 149:194
150:113 151:94 152:72 153:106 154:6 155:206
156:186 157:147 158:167 159:172 160:91 161:80
162:246 163:158 164:273 165:223 166:172 167:243
168:612 169:128 170:352 171:14 183:1 190:83
192:5824 193:3370 194:2747 195:2097 196:891 198:4089
199:3304 200:4595 201:988 202:6890 203:7093 204:4077
205:2177 206:2793 207:3558 208:3000 209:3800 210:2106
211:752 212:1365 213:1542 214:366 215:41 216:4359
217:1389 218:312 219:284 220:731 221:359 222:199
End of report
