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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Wed 24 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201637
Prefixes after maximum aggregation: 106097
Unique aggregates announced to Internet: 92577
Total ASes present in the Internet Routing Table: 22318
Origin-only ASes present in the Internet Routing Table: 19408
Origin ASes announcing only one prefix: 9261
Transit ASes present in the Internet Routing Table: 2910
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 3.8
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: 19
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 2021700695
Equivalent to 120 /8s, 128 /16s and 180 /24s
Percentage of available address space announced: 54.5
Percentage of allocated address space announced: 78.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 103460
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40559
Total APNIC prefixes after maximum aggregation: 16784
Prefixes being announced from the APNIC address blocks: 38198
Unique aggregates announced from the APNIC address blocks: 18298
APNIC Region origin ASes present in the Internet Routing Table: 2560
APNIC Region origin ASes announcing only one prefix: 722
APNIC Region transit ASes present in the Internet Routing Table: 387
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 289184069
Equivalent to 17 /8s, 60 /16s and 153 /24s
Percentage of available APNIC address space announced: 90.4
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: 108383
Total ARIN prefixes after maximum aggregation: 59301
Prefixes being announced from the ARIN address blocks: 80643
Unique aggregates announced from the ARIN address blocks: 26475
ARIN Region origin ASes present in the Internet Routing Table: 10747
ARIN Region origin ASes announcing only one prefix: 4033
ARIN Region transit ASes present in the Internet Routing Table: 1003
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 292923682
Equivalent to 17 /8s, 117 /16s and 169 /24s
Percentage of available ARIN address space announced: 75.9
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: 39154
Total RIPE prefixes after maximum aggregation: 25452
Prefixes being announced from the RIPE address blocks: 36561
Unique aggregates announced from the RIPE address blocks: 23474
RIPE Region origin ASes present in the Internet Routing Table: 8100
RIPE Region origin ASes announcing only one prefix: 4229
RIPE Region transit ASes present in the Internet Routing Table: 1330
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 250458752
Equivalent to 14 /8s, 237 /16s and 178 /24s
Percentage of available RIPE address space announced: 78.6
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: 11345
Total LACNIC prefixes after maximum aggregation: 3655
Prefixes being announced from the LACNIC address blocks: 9449
Unique aggregates announced from the LACNIC address blocks: 5531
LACNIC Region origin ASes present in the Internet Routing Table: 687
LACNIC Region origin ASes announcing only one prefix: 227
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 27164928
Equivalent to 1 /8s, 158 /16s and 129 /24s
Percentage of available LACNIC address space announced: 40.5
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: 2175
Total AfriNIC prefixes after maximum aggregation: 905
Prefixes being announced from the AfriNIC address blocks: 1511
Unique aggregates announced from the AfriNIC address blocks: 942
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 50
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4098048
Equivalent to 0 /8s, 62 /16s and 136 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1162 7036 223 CHINANET-BACKBONE
9583 905 109 16 Sify Limited
4755 881 257 65 Videsh Sanchar Nigam Ltd. Aut
4766 709 4436 310 Korea Telecom (KIX)
1221 657 1684 484 Telstra Pty Ltd
9498 560 211 66 BHARTI BT INTERNET LTD.
7545 532 124 71 TPG Internet Pty Ltd
17488 518 32 9 Hathway IP Over Cable Interne
17676 485 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 380 80 173 Wantree Development
9929 374 220 61 China Netcom Corp.
4780 364 226 28 Digital United Inc.
7474 362 211 230 SingTel Optus Pty Ltd
18101 360 85 23 Reliance Infocom Ltd Internet
17849 353 22 115 Telecommunications Technology
17557 348 27 158 Pakistan Telecom
2907 344 1798 318 SINET Japan
17974 336 118 17 PT TELEKOMUNIKASI INDONESIA
4804 304 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 701 1951 453 UUNET - Commercial IP service
3215 415 1664 94 France Telecom Transpac
3301 308 1072 294 TeliaNet Sweden
3352 308 1644 30 Ibernet, Internet Access Netw
8220 301 473 270 COLT Telecommunications
3320 285 3988 239 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
3246 236 504 226 Song Networks
5089 235 1657 43 NTL Group Limited
6746 235 89 211 Dynamic Network Technologies,
8708 220 276 203 Romania Data Systems S.A.
1257 219 740 167 SWIPnet Swedish IP Network
24863 212 42 10 LINKdotNET AS number
8551 202 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
8764 189 65 32 LIETUVOS-TELEKOMAS Autonomous
30890 187 16 67 SC Kappa Invexim SRL
8866 181 37 16 Bulgarian Telecommunication C
5400 174 348 140 BT Ignite European Backbone
786 172 1778 172 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5068 6781 776 UUNET Technologies, Inc.
4323 3109 737 256 Time Warner Telecom
705 1626 597 710 UUNET Technologies, Inc.
7018 1495 6216 958 AT&T WorldNet Services
6197 1007 622 473 BellSouth Network Solutions,
721 1000 21977 306 DLA Systems Automation Center
174 957 5787 900 Cogent Communications
19029 951 151 110 New Edge Networks
18566 940 272 8 Covad Communications
2386 881 522 678 AT&T Data Communications Serv
1239 854 2797 606 Sprint
7046 845 256 704 UUNET Technologies, Inc.
209 709 3689 553 Qwest
19262 702 2058 168 Verizon Global Networks
20115 694 609 375 Charter Communications
22773 665 1745 46 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
6461 621 228 86 AboveNet Communications, Inc.
11492 621 87 21 Cable One
852 595 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3109 2853 Time Warner Telecom
4134 1162 939 CHINANET-BACKBONE
18566 940 932 Covad Communications
705 1626 916 UUNET Technologies, Inc.
9583 905 889 Sify Limited
19029 951 841 New Edge Networks
4755 881 816 Videsh Sanchar Nigam Ltd. Aut
721 1000 694 DLA Systems Automation Center
22773 665 619 Cox Communications, Inc.
11492 621 600 Cable One
7018 1495 537 AT&T WorldNet Services
6461 621 535 AboveNet Communications, Inc.
6197 1007 534 BellSouth Network Solutions,
19262 702 534 Verizon Global Networks
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 526 503 CenturyTel Internet Holdings,
9498 560 494 BHARTI BT INTERNET LTD.
855 545 481 Canadian Research Network
8151 705 480 UniNet S.A. de C.V.
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
65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
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
65528 PRIVATE 206.210.72.64/26 17054 e-xpedient
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 213.154.248.0/28 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
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
96.0.0.0/9 1660 ANS Communications
96.128.0.0/9 1660 ANS Communications
97.0.0.0/9 1660 ANS Communications
97.128.0.0/9 1660 ANS Communications
98.0.0.0/9 1660 ANS Communications
98.128.0.0/9 1660 ANS Communications
99.0.0.0/9 1660 ANS Communications
99.128.0.0/9 1660 ANS Communications
100.0.0.0/9 1660 ANS Communications
100.128.0.0/9 1660 ANS Communications
101.0.0.0/9 1660 ANS Communications
101.128.0.0/9 1660 ANS Communications
102.0.0.0/9 1660 ANS Communications
102.128.0.0/9 1660 ANS Communications
103.0.0.0/9 1660 ANS Communications
103.128.0.0/9 1660 ANS Communications
104.0.0.0/9 1660 ANS Communications
104.128.0.0/9 1660 ANS Communications
105.0.0.0/9 1660 ANS Communications
105.128.0.0/9 1660 ANS Communications
106.0.0.0/9 1660 ANS Communications
106.128.0.0/9 1660 ANS Communications
107.0.0.0/9 1660 ANS Communications
107.128.0.0/9 1660 ANS Communications
108.0.0.0/9 1660 ANS Communications
108.128.0.0/9 1660 ANS Communications
109.0.0.0/9 1660 ANS Communications
109.128.0.0/9 1660 ANS Communications
110.0.0.0/9 1660 ANS Communications
110.128.0.0/9 1660 ANS Communications
111.0.0.0/9 1660 ANS Communications
111.128.0.0/9 1660 ANS Communications
112.0.0.0/9 1660 ANS Communications
112.128.0.0/9 1660 ANS Communications
113.0.0.0/9 1660 ANS Communications
113.128.0.0/9 1660 ANS Communications
114.0.0.0/9 1660 ANS Communications
114.128.0.0/9 1660 ANS Communications
115.0.0.0/9 1660 ANS Communications
115.128.0.0/9 1660 ANS Communications
116.0.0.0/9 1660 ANS Communications
116.128.0.0/9 1660 ANS Communications
117.0.0.0/9 1660 ANS Communications
117.128.0.0/9 1660 ANS Communications
118.0.0.0/9 1660 ANS Communications
118.128.0.0/9 1660 ANS Communications
119.0.0.0/9 1660 ANS Communications
119.128.0.0/9 1660 ANS Communications
120.0.0.0/9 1660 ANS Communications
120.128.0.0/9 1660 ANS Communications
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
192.119.135.0/24 270 NASA
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 /8:19 /9:67 /10:9 /11:28 /12:91
/13:207 /14:362 /15:709 /16:8835 /17:3280 /18:5463
/19:11923 /20:13477 /21:11821 /22:15223 /23:16606 /24:111448
/25:458 /26:310 /27:302 /28:215 /29:200 /30:477
/31:0 /32:107
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3803 5068 UUNET Technologies, Inc.
4323 1856 3109 Time Warner Telecom
705 1056 1626 UUNET Technologies, Inc.
18566 923 940 Covad Communications
19029 882 951 New Edge Networks
6197 795 1007 BellSouth Network Solutions,
7018 783 1495 AT&T WorldNet Services
9583 734 905 Sify Limited
11492 612 621 Cable One
2386 608 881 AT&T Data Communications Serv
7046 599 845 UUNET Technologies, Inc.
19916 557 563 OLM LLC
6461 546 621 AboveNet Communications, Inc.
7011 544 635 Citizens Utilities
2686 526 571 IBM
4766 519 709 Korea Telecom (KIX)
702 482 701 UUNET - Commercial IP service
855 426 545 Canadian Research Network
5668 409 526 CenturyTel Internet Holdings,
15270 398 429 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:41 12:1646 13:1 15:14
16:3 17:3 18:4 20:43 24:738 25:1
30:2 32:278 38:217 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:47 58:177
59:197 60:173 61:862 62:878 63:3481 64:3541
65:3682 66:3636 67:647 68:671 69:1540 70:362
71:86 72:718 73:23 74:37 80:779 81:657
82:677 83:388 84:401 85:588 86:400 87:344
88:119 89:210 124:282 125:407 128:162 129:190
130:114 131:317 132:31 133:8 134:158 135:46
136:178 137:76 138:208 139:160 140:469 141:130
142:406 143:165 144:224 145:39 146:330 147:141
148:311 149:190 150:114 151:90 152:72 153:107
154:6 155:202 156:100 157:151 158:167 159:174
160:87 161:79 162:247 163:145 164:222 165:211
166:166 167:238 168:608 169:128 170:336 171:14
183:1 190:73 192:5861 193:3382 194:2748 195:1991
196:875 198:4042 199:3291 200:4448 201:943 202:6612
203:6974 204:4083 205:2190 206:2771 207:3523 208:2952
209:4176 210:2049 211:722 212:1391 213:1586 214:357
215:41 216:4496 217:1385 218:294 219:205 220:665
221:357 222:163
End of report
