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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 30 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 218984
Prefixes after maximum aggregation: 114547
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101633
Total ASes present in the Internet Routing Table: 24295
Origin-only ASes present in the Internet Routing Table: 21091
Origin ASes announcing only one prefix: 10196
Transit ASes present in the Internet Routing Table: 3204
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 39
Max AS path prepend of ASN (14282) 36
Prefixes from unregistered ASNs in the Routing Table: 16
Unregistered ASNs in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1669357568
Equivalent to 99 /8s, 128 /16s and 96 /24s
Percentage of available address space announced: 45.0
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 114542
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47625
Total APNIC prefixes after maximum aggregation: 18876
APNIC Deaggregation factor: 2.52
Prefixes being announced from the APNIC address blocks: 44962
Unique aggregates announced from the APNIC address blocks: 19269
APNIC Region origin ASes present in the Internet Routing Table: 2844
APNIC Region origin ASes announcing only one prefix: 792
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: 282383032
Equivalent to 16 /8s, 212 /16s and 210 /24s
Percentage of available APNIC address space announced: 69.9
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: 110239
Total ARIN prefixes after maximum aggregation: 62135
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 82185
Unique aggregates announced from the ARIN address blocks: 29106
ARIN Region origin ASes present in the Internet Routing Table: 11304
ARIN Region origin ASes announcing only one prefix: 4316
ARIN Region transit ASes present in the Internet Routing Table: 1071
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 314996448
Equivalent to 18 /8s, 198 /16s and 118 /24s
Percentage of available ARIN address space announced: 69.5
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 44575
Total RIPE prefixes after maximum aggregation: 28567
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41421
Unique aggregates announced from the RIPE address blocks: 26726
RIPE Region origin ASes present in the Internet Routing Table: 9132
RIPE Region origin ASes announcing only one prefix: 4783
RIPE Region transit ASes present in the Internet Routing Table: 1485
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 287360416
Equivalent to 17 /8s, 32 /16s and 197 /24s
Percentage of available RIPE address space announced: 77.9
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: 13932
Total LACNIC prefixes after maximum aggregation: 3986
LACNIC Deaggregation factor: 3.50
Prefixes being announced from the LACNIC address blocks: 11968
Unique aggregates announced from the LACNIC address blocks: 6938
LACNIC Region origin ASes present in the Internet Routing Table: 764
LACNIC Region origin ASes announcing only one prefix: 251
LACNIC Region transit ASes present in the Internet Routing Table: 141
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 39
Number of LACNIC addresses announced to Internet: 36645376
Equivalent to 2 /8s, 47 /16s and 42 /24s
Percentage of available LACNIC address space announced: 54.6
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: 2598
Total AfriNIC prefixes after maximum aggregation: 981
AfriNIC Deaggregation factor: 2.65
Prefixes being announced from the AfriNIC address blocks: 1881
Unique aggregates announced from the AfriNIC address blocks: 1149
AfriNIC Region origin ASes present in the Internet Routing Table: 175
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 30
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 5385728
Equivalent to 0 /8s, 82 /16s and 46 /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 1268 8627 268 CHINANET-BACKBONE
4755 1090 383 72 Videsh Sanchar Nigam Ltd. Aut
9583 1049 109 16 Sify Limited
9498 935 467 64 BHARTI BT INTERNET LTD.
23577 773 34 701 Korea Telecom (ATM-MPLS)
4766 763 4944 313 Korea Telecom (KIX)
1221 609 1698 450 Telstra Pty Ltd
17488 588 37 20 Hathway IP Over Cable Interne
7545 560 126 75 TPG Internet Pty Ltd
18101 516 103 23 Reliance Infocom Ltd Internet
17676 503 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
4812 440 763 70 China Telecom (Shanghai)
9942 428 85 125 COMindico Australia
7474 391 212 247 SingTel Optus Pty Ltd
4802 364 86 151 Wantree Development
17974 362 129 14 PT TELEKOMUNIKASI INDONESIA
17849 353 34 94 Telecommunications Technology
17557 348 34 168 Pakistan Telecom
2907 340 1749 311 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 544 1897 423 UUNET - Commercial IP service
3215 389 2192 93 France Telecom Transpac
3301 305 1199 287 TeliaNet Sweden
3320 298 4993 249 Deutsche Telekom AG
24863 297 44 24 LINKdotNET AS number
6746 271 95 248 Dynamic Network Technologies,
8220 262 468 253 COLT Telecommunications
1257 258 1097 174 SWIPnet Swedish IP Network
680 257 2044 251 DFN-IP service G-WiN
5089 241 1657 52 NTL Group Limited
8708 234 283 221 Romania Data Systems S.A.
30890 214 18 90 SC Kappa Invexim SRL
3269 213 2391 71 TELECOM ITALIA
3246 207 354 197 Song Networks
5416 206 13 9 BATELCO-BH
2119 204 760 176 Telenor Internet Access
8551 197 197 24 Bezeq International
20858 189 34 3 This AS will be used to conne
3300 187 171 93 AUCS Communications Services
3352 182 1767 31 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4821 6694 746 UUNET Technologies, Inc.
7018 1547 10198 991 AT&T WorldNet Services
705 1397 553 601 UUNET Technologies, Inc.
2386 1108 585 725 AT&T Data Communications Serv
4323 1059 819 298 Time Warner Telecom
6197 1021 649 502 BellSouth Network Solutions,
18566 989 288 9 Covad Communications
174 933 6788 862 Cogent Communications
11492 912 99 15 Cable One
1239 827 2738 575 Sprint
19262 808 2576 180 Verizon Global Networks
7046 796 251 652 UUNET Technologies, Inc.
20115 795 689 412 Charter Communications
7011 731 218 454 Citizens Utilities
22773 724 1872 41 Cox Communications, Inc.
209 720 3750 566 Qwest
721 685 21828 279 DLA Systems Automation Center
852 622 1091 393 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 578 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9583 1049 1033 Sify Limited
4755 1090 1018 Videsh Sanchar Nigam Ltd. Aut
4134 1268 1000 CHINANET-BACKBONE
18566 989 980 Covad Communications
11492 912 897 Cable One
9498 935 871 BHARTI BT INTERNET LTD.
705 1397 796 UUNET Technologies, Inc.
4323 1059 761 Time Warner Telecom
8151 939 736 UniNet S.A. de C.V.
22773 724 683 Cox Communications, Inc.
19262 808 628 Verizon Global Networks
17488 588 568 Hathway IP Over Cable Interne
5668 578 559 CenturyTel Internet Holdings,
7018 1547 556 AT&T WorldNet Services
6197 1021 519 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
18101 516 493 Reliance Infocom Ltd Internet
855 565 492 Canadian Research Network
7545 560 485 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65512 PRIVATE 72.165.202.0/24 32631 SunRocket, Inc.
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.
65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
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
1.1.1.0/24 4761 INDOSATNET-ASN
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 /8:19 /9:10 /10:13 /11:33 /12:118
/13:238 /14:416 /15:819 /16:9241 /17:3750 /18:6101
/19:13198 /20:14851 /21:13373 /22:17277 /23:18657 /24:118222
/25:765 /26:534 /27:469 /28:183 /29:150 /30:469
/31:0 /32:78
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3577 4821 UUNET Technologies, Inc.
18566 971 989 Covad Communications
11492 898 912 Cable One
9583 876 1049 Sify Limited
705 860 1397 UUNET Technologies, Inc.
7018 851 1547 AT&T WorldNet Services
2386 831 1108 AT&T Data Communications Serv
6197 792 1021 BellSouth Network Solutions,
23577 759 773 Korea Telecom (ATM-MPLS)
7011 634 731 Citizens Utilities
9498 592 935 BHARTI BT INTERNET LTD.
4766 571 763 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 550 796 UUNET Technologies, Inc.
4755 500 1090 Videsh Sanchar Nigam Ltd. Aut
15270 471 503 PaeTec.net -a division of Pae
855 464 565 Canadian Research Network
18101 447 516 Reliance Infocom Ltd Internet
5668 444 578 CenturyTel Internet Holdings,
17488 411 588 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:9 7:1 8:62 9:1 12:1674
13:1 15:15 16:3 17:3 18:5 20:38
24:876 25:1 32:172 38:280 40:57 41:67
44:2 47:10 52:4 55:1 56:3 57:52
58:295 59:378 60:202 61:961 62:1110 63:3327
64:3345 65:3662 66:3227 67:732 68:645 69:1733
70:431 71:133 72:1145 73:1 74:150 75:64
76:22 77:3 80:841 81:784 82:684 83:359
84:503 85:779 86:468 87:472 88:277 89:781
90:2 91:196 97:1 116:1 117:1 118:1
119:1 120:1 121:128 122:68 123:26 124:577
125:788 128:304 129:219 130:126 131:316 132:49
133:11 134:182 135:44 136:180 137:118 138:190
139:104 140:521 141:137 142:393 143:214 144:268
145:67 146:316 147:141 148:368 149:193 150:115
151:117 152:91 153:119 154:6 155:250 156:125
157:176 158:170 159:147 160:98 161:88 162:228
163:162 164:460 165:288 166:246 167:281 168:496
169:121 170:379 171:15 172:1 189:145 190:355
192:5798 193:3677 194:2972 195:2338 196:989 198:3921
199:3354 200:4653 201:964 202:7211 203:7332 204:4114
205:2230 206:2650 207:3142 208:3127 209:3707 210:2378
211:932 212:1356 213:1465 214:396 215:39 216:4227
217:1336 218:366 219:263 220:860 221:371 222:271
End of report
