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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 27 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 224611
Prefixes after maximum aggregation: 116515
Deaggregation factor: 1.93
Unique aggregates announced to Internet: 103973
Total ASes present in the Internet Routing Table: 24555
Origin-only ASes present in the Internet Routing Table: 21291
Origin ASes announcing only one prefix: 10287
Transit ASes present in the Internet Routing Table: 3264
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 32
Max AS path prepend of ASN (20858) 18
Prefixes from unregistered ASNs in the Routing Table: 62
Unregistered ASNs in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1689062884
Equivalent to 100 /8s, 173 /16s and 13 /24s
Percentage of available address space announced: 45.6
Percentage of allocated address space announced: 62.6
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 119287
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 49840
Total APNIC prefixes after maximum aggregation: 19760
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 46848
Unique aggregates announced from the APNIC address blocks: 20526
APNIC Region origin ASes present in the Internet Routing Table: 2908
APNIC Region origin ASes announcing only one prefix: 789
APNIC Region transit ASes present in the Internet Routing Table: 440
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 290187584
Equivalent to 17 /8s, 75 /16s and 233 /24s
Percentage of available APNIC address space announced: 71.9
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: 112766
Total ARIN prefixes after maximum aggregation: 62503
ARIN Deaggregation factor: 1.80
Prefixes being announced from the ARIN address blocks: 83828
Unique aggregates announced from the ARIN address blocks: 29560
ARIN Region origin ASes present in the Internet Routing Table: 11380
ARIN Region origin ASes announcing only one prefix: 4360
ARIN Region transit ASes present in the Internet Routing Table: 1086
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 321342944
Equivalent to 19 /8s, 39 /16s and 77 /24s
Percentage of available ARIN address space announced: 70.9
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 45237
Total RIPE prefixes after maximum aggregation: 29199
RIPE Deaggregation factor: 1.55
Prefixes being announced from the RIPE address blocks: 42165
Unique aggregates announced from the RIPE address blocks: 27178
RIPE Region origin ASes present in the Internet Routing Table: 9243
RIPE Region origin ASes announcing only one prefix: 4827
RIPE Region transit ASes present in the Internet Routing Table: 1522
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 292028544
Equivalent to 17 /8s, 104 /16s and 0 /24s
Percentage of available RIPE address space announced: 79.1
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
40960-43007
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: 14045
Total LACNIC prefixes after maximum aggregation: 4058
LACNIC Deaggregation factor: 3.46
Prefixes being announced from the LACNIC address blocks: 12120
Unique aggregates announced from the LACNIC address blocks: 7000
LACNIC Region origin ASes present in the Internet Routing Table: 764
LACNIC Region origin ASes announcing only one prefix: 249
LACNIC Region transit ASes present in the Internet Routing Table: 136
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 37759744
Equivalent to 2 /8s, 64 /16s and 43 /24s
Percentage of available LACNIC address space announced: 56.3
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: 2663
Total AfriNIC prefixes after maximum aggregation: 993
AfriNIC Deaggregation factor: 2.68
Prefixes being announced from the AfriNIC address blocks: 1949
Unique aggregates announced from the AfriNIC address blocks: 1180
AfriNIC Region origin ASes present in the Internet Routing Table: 181
AfriNIC Region origin ASes announcing only one prefix: 61
AfriNIC Region transit ASes present in the Internet Routing Table: 35
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5412352
Equivalent to 0 /8s, 82 /16s and 150 /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
4134 1273 8702 277 CHINANET-BACKBONE
4755 1125 383 73 Videsh Sanchar Nigam Ltd. Aut
9498 1101 468 66 BHARTI BT INTERNET LTD.
9583 1077 77 368 Sify Limited
23577 781 35 709 Korea Telecom (ATM-MPLS)
4766 768 4942 309 Korea Telecom (KIX)
1221 622 1687 454 Telstra Pty Ltd
17488 602 40 25 Hathway IP Over Cable Interne
7545 589 142 76 TPG Internet Pty Ltd
18101 529 103 23 Reliance Infocom Ltd Internet
17676 503 10935 65 Softbank BB Corp.
4812 501 779 73 China Telecom (Shanghai)
7474 455 216 260 SingTel Optus Pty Ltd
4668 454 68 10 LG-EDS Systems Inc.
9443 443 111 74 Primus Telecommunications
9942 432 85 127 COMindico Australia
17849 370 35 94 Telecommunications Technology
4802 362 86 149 Wantree Development
17557 350 34 170 Pakistan Telecom
2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 539 1879 417 UUNET - Commercial IP service
2119 444 833 374 Telenor Internet Access
24863 327 45 21 LINKdotNET AS number
3301 312 1199 291 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
8220 273 465 263 COLT Telecommunications
6746 269 95 248 Dynamic Network Technologies,
1257 262 1116 173 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
5416 253 16 12 BATELCO-BH
8708 242 284 228 Romania Data Systems S.A.
5089 240 1657 52 NTL Group Limited
3215 239 2224 92 France Telecom Transpac
3269 211 2422 71 TELECOM ITALIA
3246 208 355 197 Song Networks
30890 207 17 97 SC Kappa Invexim SRL
8551 206 197 25 Bezeq International
3352 201 1783 33 Ibernet, Internet Access Netw
20858 197 34 3 EgyNet
3300 188 171 91 AUCS Communications Services
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4795 6697 749 UUNET Technologies, Inc.
7018 1492 10196 972 AT&T WorldNet Services
4323 1449 1005 351 Time Warner Telecom
7015 1385 983 92 AT&T Broadband
705 1297 557 600 UUNET Technologies, Inc.
6478 1124 443 194 AT&T Worldnet Services
2386 1114 570 738 AT&T Data Communications Serv
6197 1024 667 499 BellSouth Network Solutions,
18566 992 288 9 Covad Communications
11492 982 101 17 Cable One
174 945 6792 868 Cogent Communications
1239 809 2697 568 Sprint
7011 801 229 476 Citizens Utilities
20115 801 706 427 Charter Communications
7046 797 267 657 UUNET Technologies, Inc.
19262 757 2591 178 Verizon Global Networks
22773 732 1872 41 Cox Communications, Inc.
209 718 3744 572 Qwest
721 632 21787 274 DLA Systems Automation Center
852 609 1088 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7015 1385 1293 AT&T Broadband
4323 1449 1098 Time Warner Telecom
4755 1125 1052 Videsh Sanchar Nigam Ltd. Aut
9498 1101 1035 BHARTI BT INTERNET LTD.
4134 1273 996 CHINANET-BACKBONE
18566 992 983 Covad Communications
11492 982 965 Cable One
6478 1124 930 AT&T Worldnet Services
8151 1041 828 UniNet S.A. de C.V.
9583 1077 709 Sify Limited
705 1297 697 UUNET Technologies, Inc.
22773 732 691 Cox Communications, Inc.
19262 757 579 Verizon Global Networks
17488 602 577 Hathway IP Over Cable Interne
5668 572 556 CenturyTel Internet Holdings,
6197 1024 525 BellSouth Network Solutions,
7018 1492 520 AT&T WorldNet Services
19916 568 514 OLM LLC
7545 589 513 TPG Internet Pty Ltd
18101 529 506 Reliance Infocom Ltd Internet
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 4.33.8.128/28 293 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
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
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
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
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
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
65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp
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
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 /8:20 /9:9 /10:12 /11:34 /12:119
/13:238 /14:429 /15:831 /16:9280 /17:3811 /18:6296
/19:13401 /20:15218 /21:13998 /22:18151 /23:19663 /24:120019
/25:898 /26:706 /27:527 /28:219 /29:176 /30:474
/31:0 /32:82
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3553 4795 UUNET Technologies, Inc.
7015 1240 1385 AT&T Broadband
6478 1076 1124 AT&T Worldnet Services
18566 974 992 Covad Communications
11492 968 982 Cable One
9583 913 1077 Sify Limited
2386 840 1114 AT&T Data Communications Serv
705 807 1297 UUNET Technologies, Inc.
7018 806 1492 AT&T WorldNet Services
6197 796 1024 BellSouth Network Solutions,
23577 767 781 Korea Telecom (ATM-MPLS)
9498 748 1101 BHARTI BT INTERNET LTD.
7011 700 801 Citizens Utilities
4323 634 1449 Time Warner Telecom
4766 577 768 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 547 797 UUNET Technologies, Inc.
4755 531 1125 Videsh Sanchar Nigam Ltd. Aut
15270 475 507 PaeTec.net -a division of Pae
855 465 566 Canadian Research Network
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 7:1 8:63 9:1 12:1818 13:1
15:16 16:3 17:3 18:5 20:38 24:920
25:1 32:173 38:282 40:57 41:93 44:2
47:7 52:4 55:1 56:3 57:52 58:326
59:391 60:214 61:957 62:1089 63:3336 64:3313
65:3675 66:3257 67:749 68:661 69:1743 70:457
71:98 72:1220 73:7 74:381 75:82 76:47
77:67 80:845 81:790 82:704 83:378 84:510
85:771 86:443 87:494 88:245 89:809 90:3
91:209 97:1 121:143 122:493 123:50 124:618
125:961 128:307 129:219 130:125 131:349 132:50
133:10 134:188 135:39 136:181 137:97 138:194
139:104 140:499 141:142 142:394 143:211 144:271
145:43 146:317 147:150 148:374 149:187 150:114
151:116 152:97 153:118 154:6 155:251 156:153
157:174 158:169 159:151 160:99 161:90 162:231
163:162 164:460 165:383 166:245 167:280 168:516
169:119 170:380 171:15 172:1 189:196 190:421
192:5789 193:3750 194:3044 195:2303 196:1000 198:3887
199:3347 200:4602 201:985 202:7268 203:7431 204:4106
205:2177 206:2634 207:3108 208:3177 209:3717 210:2398
211:974 212:1328 213:1456 214:415 215:39 216:4260
217:1185 218:369 219:270 220:875 221:374 222:263
End of report
