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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 09 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217228
Prefixes after maximum aggregation: 114113
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 102689
Total ASes present in the Internet Routing Table: 24349
Origin-only ASes present in the Internet Routing Table: 21165
Origin ASes announcing only one prefix: 10228
Transit ASes present in the Internet Routing Table: 3184
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 18
Max AS path prepend of ASN (17697) 13
Prefixes from unregistered ASNs in the Routing Table: 68
Unregistered ASNs in the Routing Table: 26
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1617379497
Equivalent to 96 /8s, 103 /16s and 64 /24s
Percentage of available address space announced: 43.6
Percentage of allocated address space announced: 60.0
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 113779
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47095
Total APNIC prefixes after maximum aggregation: 18764
APNIC Deaggregation factor: 2.51
Prefixes being announced from the APNIC address blocks: 44336
Unique aggregates announced from the APNIC address blocks: 19731
APNIC Region origin ASes present in the Internet Routing Table: 2852
APNIC Region origin ASes announcing only one prefix: 783
APNIC Region transit ASes present in the Internet Routing Table: 435
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 263920608
Equivalent to 15 /8s, 187 /16s and 27 /24s
Percentage of available APNIC address space announced: 65.4
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, 116/6, 120/6, 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: 109734
Total ARIN prefixes after maximum aggregation: 61980
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81619
Unique aggregates announced from the ARIN address blocks: 29280
ARIN Region origin ASes present in the Internet Routing Table: 11334
ARIN Region origin ASes announcing only one prefix: 4338
ARIN Region transit ASes present in the Internet Routing Table: 1061
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 316922593
Equivalent to 18 /8s, 227 /16s and 218 /24s
Percentage of available ARIN address space announced: 70.0
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 43860
Total RIPE prefixes after maximum aggregation: 28378
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 40726
Unique aggregates announced from the RIPE address blocks: 26517
RIPE Region origin ASes present in the Internet Routing Table: 9149
RIPE Region origin ASes announcing only one prefix: 4800
RIPE Region transit ASes present in the Internet Routing Table: 1483
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 16
Number of RIPE addresses announced to Internet: 275670176
Equivalent to 16 /8s, 110 /16s and 100 /24s
Percentage of available RIPE address space announced: 74.7
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
40960-43007
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 13873
Total LACNIC prefixes after maximum aggregation: 4019
LACNIC Deaggregation factor: 3.45
Prefixes being announced from the LACNIC address blocks: 11972
Unique aggregates announced from the LACNIC address blocks: 7168
LACNIC Region origin ASes present in the Internet Routing Table: 760
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 134
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 37394688
Equivalent to 2 /8s, 58 /16s and 153 /24s
Percentage of available LACNIC address space announced: 55.7
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: 2601
Total AfriNIC prefixes after maximum aggregation: 970
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 1908
Unique aggregates announced from the AfriNIC address blocks: 1162
AfriNIC Region origin ASes present in the Internet Routing Table: 179
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5398784
Equivalent to 0 /8s, 82 /16s and 97 /24s
Percentage of available AfriNIC address space announced: 16.1
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
4755 1102 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1034 109 16 Sify Limited
9498 943 467 65 BHARTI BT INTERNET LTD.
4134 912 7452 248 CHINANET-BACKBONE
23577 778 35 705 Korea Telecom (ATM-MPLS)
4766 764 4944 313 Korea Telecom (KIX)
1221 613 1682 452 Telstra Pty Ltd
17488 593 39 22 Hathway IP Over Cable Interne
7545 567 122 118 TPG Internet Pty Ltd
18101 520 103 23 Reliance Infocom Ltd Internet
7474 452 215 256 SingTel Optus Pty Ltd
9443 441 111 73 Primus Telecommunications
9942 433 85 127 COMindico Australia
4812 427 750 57 China Telecom (Shanghai)
17849 369 34 93 Telecommunications Technology
17557 362 35 165 Pakistan Telecom
4802 360 86 148 Wantree Development
17676 353 8736 73 Softbank BB Corp.
2907 341 1765 312 SINET Japan
17974 340 129 14 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 484 1578 393 UUNET - Commercial IP service
3301 307 1199 289 TeliaNet Sweden
24863 304 44 24 LINKdotNET AS number
2119 299 753 259 Telenor Internet Access
3320 290 4092 242 Deutsche Telekom AG
8220 272 472 263 COLT Telecommunications
6746 266 95 245 Dynamic Network Technologies,
1257 261 1100 174 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
5089 241 1657 52 NTL Group Limited
8708 240 284 226 Romania Data Systems S.A.
3215 238 2224 92 France Telecom Transpac
5416 216 14 11 BATELCO-BH
30890 215 19 92 SC Kappa Invexim SRL
3246 208 355 198 Song Networks
20858 197 34 3 EgyNet
3352 194 1767 31 Ibernet, Internet Access Netw
8551 194 188 27 Bezeq International
3300 184 171 90 AUCS Communications Services
3269 183 2194 56 TELECOM ITALIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4817 6695 749 UUNET Technologies, Inc.
7018 1504 10212 980 AT&T WorldNet Services
705 1344 547 589 UUNET Technologies, Inc.
2386 1094 567 722 AT&T Data Communications Serv
4323 1060 821 300 Time Warner Telecom
6197 988 642 482 BellSouth Network Solutions,
18566 988 288 9 Covad Communications
11492 937 100 16 Cable One
174 921 6751 849 Cogent Communications
1239 825 2722 580 Sprint
20115 798 698 418 Charter Communications
7011 779 226 472 Citizens Utilities
7046 772 264 643 UUNET Technologies, Inc.
19262 758 2591 179 Verizon Global Networks
22773 725 1872 41 Cox Communications, Inc.
209 685 3638 536 Qwest
721 681 15696 326 DLA Systems Automation Center
852 618 1090 392 Telus Advanced Communications
577 585 760 207 Bell Advanced Communications
5668 576 161 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1102 1028 Videsh Sanchar Nigam Ltd. Aut
9583 1034 1018 Sify Limited
18566 988 979 Covad Communications
11492 937 921 Cable One
9498 943 878 BHARTI BT INTERNET LTD.
8151 986 782 UniNet S.A. de C.V.
4323 1060 760 Time Warner Telecom
705 1344 755 UUNET Technologies, Inc.
22773 725 684 Cox Communications, Inc.
4134 912 664 CHINANET-BACKBONE
19262 758 579 Verizon Global Networks
17488 593 571 Hathway IP Over Cable Interne
5668 576 559 CenturyTel Internet Holdings,
7018 1504 524 AT&T WorldNet Services
19916 568 514 OLM LLC
6197 988 506 BellSouth Network Solutions,
18101 520 497 Reliance Infocom Ltd Internet
855 562 489 Canadian Research Network
15270 505 471 PaeTec.net -a division of Pae
11830 482 463 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw
65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In
64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In
64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In
64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In
64538 PRIVATE 195.22.39.0/24 6721 The Terminal Bar: In
64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In
64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In
64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In
64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In
64515 PRIVATE 195.47.26.0/24 6721 The Terminal Bar: In
64515 PRIVATE 195.47.27.0/24 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In
64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In
64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In
64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In
64538 PRIVATE 195.47.57.0/24 6721 The Terminal Bar: In
64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In
64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In
64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In
65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In
64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In
65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
42284 UNALLOCATED 212.162.205.0/24 5400 BT Ignite European B
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
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
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
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
42.205.192.0/20 36925 Meditelecom
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
172.33.1.0/24 7018 AT&T WorldNet Services
180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.153.136.0/21 721 DLA Systems Automation Center
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 /11:33 /12:113
/13:230 /14:415 /15:800 /16:8957 /17:3638 /18:5969
/19:12894 /20:14653 /21:13254 /22:17282 /23:18524 /24:117560
/25:839 /26:607 /27:504 /28:207 /29:163 /30:466
/31:0 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3573 4817 UUNET Technologies, Inc.
18566 970 988 Covad Communications
11492 923 937 Cable One
9583 865 1034 Sify Limited
705 822 1344 UUNET Technologies, Inc.
2386 818 1094 AT&T Data Communications Serv
7018 811 1504 AT&T WorldNet Services
23577 764 778 Korea Telecom (ATM-MPLS)
6197 761 988 BellSouth Network Solutions,
7011 678 779 Citizens Utilities
9498 601 943 BHARTI BT INTERNET LTD.
4766 572 764 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 535 772 UUNET Technologies, Inc.
4755 511 1102 Videsh Sanchar Nigam Ltd. Aut
15270 473 505 PaeTec.net -a division of Pae
855 461 562 Canadian Research Network
18101 451 520 Reliance Infocom Ltd Internet
5668 447 576 CenturyTel Internet Holdings,
17488 415 593 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 6:1 7:1 8:64 9:1 12:1673
13:1 15:16 16:3 17:3 18:5 20:38
24:898 25:1 32:172 38:279 40:57 41:67
44:2 47:7 52:4 55:1 56:3 57:52
58:313 59:376 60:203 61:937 62:1085 63:3327
64:3363 65:3678 66:3220 67:740 68:664 69:1732
70:450 71:96 72:1185 73:1 74:161 75:77
76:2 77:16 80:845 81:783 82:701 83:368
84:524 85:770 86:467 87:473 88:225 89:788
90:1 91:198 97:1 116:1 117:1 118:1
119:1 120:1 121:138 122:83 123:36 124:576
125:797 128:311 129:219 130:130 131:342 132:49
133:11 134:185 135:45 136:181 137:118 138:196
139:105 140:517 141:141 142:393 143:214 144:272
145:43 146:315 147:147 148:367 149:193 150:115
151:116 152:93 153:119 154:6 155:250 156:128
157:176 158:168 159:149 160:98 161:91 162:229
163:162 164:459 165:330 166:246 167:280 168:499
169:120 170:383 171:15 172:1 189:156 190:389
192:5796 193:3695 194:2994 195:2328 196:996 198:3899
199:3350 200:4610 201:968 202:7209 203:7425 204:4106
205:2209 206:2640 207:3137 208:3155 209:3741 210:2389
211:928 212:1277 213:1301 214:381 215:39 216:3820
217:1142 218:298 219:258 220:808 221:370 222:256
End of report
