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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Thu 01 Feb, 2007
Analysis Summary
----------------
BGP routing table entries examined: 219486
Prefixes after maximum aggregation: 114657
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 101916
Total ASes present in the Internet Routing Table: 24308
Origin-only ASes present in the Internet Routing Table: 21116
Origin ASes announcing only one prefix: 10199
Transit ASes present in the Internet Routing Table: 3192
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 32
Max AS path prepend of ASN (16327) 25
Prefixes from unregistered ASNs in the Routing Table: 22
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1670395872
Equivalent to 99 /8s, 144 /16s and 55 /24s
Percentage of available address space announced: 45.1
Percentage of allocated address space announced: 61.9
Percentage of available address space allocated: 72.8
Total number of prefixes smaller than registry allocations: 114968
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47847
Total APNIC prefixes after maximum aggregation: 18898
APNIC Deaggregation factor: 2.53
Prefixes being announced from the APNIC address blocks: 45167
Unique aggregates announced from the APNIC address blocks: 19318
APNIC Region origin ASes present in the Internet Routing Table: 2845
APNIC Region origin ASes announcing only one prefix: 790
APNIC Region transit ASes present in the Internet Routing Table: 431
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 282116024
Equivalent to 16 /8s, 208 /16s and 191 /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: 110332
Total ARIN prefixes after maximum aggregation: 62161
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 82294
Unique aggregates announced from the ARIN address blocks: 29211
ARIN Region origin ASes present in the Internet Routing Table: 11307
ARIN Region origin ASes announcing only one prefix: 4312
ARIN Region transit ASes present in the Internet Routing Table: 1058
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 315466208
Equivalent to 18 /8s, 205 /16s and 161 /24s
Percentage of available ARIN address space announced: 69.6
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: 44684
Total RIPE prefixes after maximum aggregation: 28591
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41552
Unique aggregates announced from the RIPE address blocks: 26855
RIPE Region origin ASes present in the Internet Routing Table: 9138
RIPE Region origin ASes announcing only one prefix: 4788
RIPE Region transit ASes present in the Internet Routing Table: 1503
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 32
Number of RIPE addresses announced to Internet: 287817984
Equivalent to 17 /8s, 39 /16s and 193 /24s
Percentage of available RIPE address space announced: 78.0
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: 13982
Total LACNIC prefixes after maximum aggregation: 4020
LACNIC Deaggregation factor: 3.48
Prefixes being announced from the LACNIC address blocks: 12000
Unique aggregates announced from the LACNIC address blocks: 6942
LACNIC Region origin ASes present in the Internet Routing Table: 764
LACNIC Region origin ASes announcing only one prefix: 252
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 36708096
Equivalent to 2 /8s, 48 /16s and 31 /24s
Percentage of available LACNIC address space announced: 54.7
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: 2620
Total AfriNIC prefixes after maximum aggregation: 985
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1889
Unique aggregates announced from the AfriNIC address blocks: 1152
AfriNIC Region origin ASes present in the Internet Routing Table: 178
AfriNIC Region origin ASes announcing only one prefix: 56
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5386240
Equivalent to 0 /8s, 82 /16s and 48 /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 1277 8663 277 CHINANET-BACKBONE
4755 1248 383 74 Videsh Sanchar Nigam Ltd. Aut
9583 1041 109 16 Sify Limited
9498 938 467 64 BHARTI BT INTERNET LTD.
23577 773 34 700 Korea Telecom (ATM-MPLS)
4766 764 4944 313 Korea Telecom (KIX)
1221 612 1698 451 Telstra Pty Ltd
17488 592 37 21 Hathway IP Over Cable Interne
7545 561 126 74 TPG Internet Pty Ltd
18101 517 103 23 Reliance Infocom Ltd Internet
17676 504 10935 66 Softbank BB Corp.
9443 442 111 74 Primus Telecommunications
4812 438 763 70 China Telecom (Shanghai)
9942 431 85 128 COMindico Australia
7474 394 212 250 SingTel Optus Pty Ltd
17974 364 129 14 PT TELEKOMUNIKASI INDONESIA
4802 360 86 148 Wantree Development
17849 355 34 94 Telecommunications Technology
17557 348 35 165 Pakistan Telecom
2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1897 424 UUNET - Commercial IP service
3215 377 2192 93 France Telecom Transpac
24863 306 45 25 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
8220 272 474 263 COLT Telecommunications
6746 266 95 245 Dynamic Network Technologies,
1257 259 1100 175 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 215 19 92 SC Kappa Invexim SRL
3269 213 2391 71 TELECOM ITALIA
3246 207 354 197 Song Networks
5416 206 13 9 BATELCO-BH
2119 205 776 177 Telenor Internet Access
8551 205 197 25 Bezeq International
20858 196 34 3 This AS will be used to conne
3300 188 171 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 4828 6696 749 UUNET Technologies, Inc.
7018 1536 10200 986 AT&T WorldNet Services
705 1398 552 601 UUNET Technologies, Inc.
2386 1107 569 731 AT&T Data Communications Serv
4323 1054 819 298 Time Warner Telecom
6197 1025 650 503 BellSouth Network Solutions,
18566 989 288 9 Covad Communications
174 937 6790 866 Cogent Communications
11492 916 100 16 Cable One
1239 830 2730 580 Sprint
19262 809 2592 180 Verizon Global Networks
20115 798 694 414 Charter Communications
7046 796 267 652 UUNET Technologies, Inc.
7011 733 219 456 Citizens Utilities
22773 721 1872 39 Cox Communications, Inc.
209 720 3742 566 Qwest
721 684 21836 280 DLA Systems Automation Center
852 620 1091 392 Telus Advanced Communications
577 584 760 206 Bell Advanced Communications
5668 583 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1248 1174 Videsh Sanchar Nigam Ltd. Aut
9583 1041 1025 Sify Limited
4134 1277 1000 CHINANET-BACKBONE
18566 989 980 Covad Communications
11492 916 900 Cable One
9498 938 874 BHARTI BT INTERNET LTD.
705 1398 797 UUNET Technologies, Inc.
4323 1054 756 Time Warner Telecom
8151 947 744 UniNet S.A. de C.V.
22773 721 682 Cox Communications, Inc.
19262 809 629 Verizon Global Networks
17488 592 571 Hathway IP Over Cable Interne
5668 583 564 CenturyTel Internet Holdings,
7018 1536 550 AT&T WorldNet Services
6197 1025 522 BellSouth Network Solutions,
19916 568 514 OLM LLC
11830 504 495 Instituto Costarricense de El
18101 517 494 Reliance Infocom Ltd Internet
855 561 488 Canadian Research Network
7545 561 487 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65505 PRIVATE 80.96.186.0/24 9050 RTD-ROMTELECOM Auton
65070 PRIVATE 86.35.8.0/24 9050 RTD-ROMTELECOM Auton
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65001 PRIVATE 89.37.29.0/24 9050 RTD-ROMTELECOM Auton
64513 PRIVATE 124.30.171.0/24 9583 Sify Limited
64513 PRIVATE 124.30.172.0/24 9583 Sify Limited
64513 PRIVATE 124.30.173.0/24 9583 Sify Limited
64513 PRIVATE 124.30.174.0/24 9583 Sify Limited
65070 PRIVATE 193.226.121.0/24 9050 RTD-ROMTELECOM Auton
65070 PRIVATE 194.102.140.0/24 9050 RTD-ROMTELECOM Auton
65070 PRIVATE 194.102.141.0/24 9050 RTD-ROMTELECOM Auton
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
39.55.39.0/24 7473 Singapore Telecom
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
170.78.162.0/24 7473 Singapore Telecom
172.33.1.0/24 7018 AT&T WorldNet Services
178.35.93.0/24 7473 Singapore Telecom
184.32.211.0/24 7473 Singapore Telecom
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 /14:419 /15:820 /16:9249 /17:3755 /18:6114
/19:13204 /20:14846 /21:13363 /22:17322 /23:18732 /24:118529
/25:777 /26:542 /27:474 /28:186 /29:153 /30:483
/31:0 /32:87
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3582 4828 UUNET Technologies, Inc.
18566 971 989 Covad Communications
11492 902 916 Cable One
9583 870 1041 Sify Limited
705 860 1398 UUNET Technologies, Inc.
7018 844 1536 AT&T WorldNet Services
2386 830 1107 AT&T Data Communications Serv
6197 795 1025 BellSouth Network Solutions,
23577 759 773 Korea Telecom (ATM-MPLS)
4755 657 1248 Videsh Sanchar Nigam Ltd. Aut
7011 635 733 Citizens Utilities
9498 595 938 BHARTI BT INTERNET LTD.
4766 572 764 Korea Telecom (KIX)
19916 563 568 OLM LLC
7046 549 796 UUNET Technologies, Inc.
15270 472 504 PaeTec.net -a division of Pae
855 460 561 Canadian Research Network
5668 448 583 CenturyTel Internet Holdings,
18101 448 517 Reliance Infocom Ltd Internet
17488 415 592 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:9 6:1 7:1 8:62 9:1
12:1668 13:1 15:15 16:3 17:3 18:5
20:38 24:878 25:1 32:172 38:279 39:1
40:57 41:65 44:2 46:1 47:7 52:4
55:1 56:3 57:52 58:308 59:380 60:203
61:922 62:1116 63:3333 64:3344 65:3658 66:3234
67:725 68:645 69:1733 70:435 71:134 72:1180
73:1 74:152 75:65 76:22 77:7 80:842
81:789 82:688 83:360 84:514 85:778 86:465
87:475 88:279 89:787 90:1 91:194 97:1
121:213 122:69 123:32 124:571 125:795 128:306
129:219 130:126 131:344 132:49 133:11 134:183
135:44 136:180 137:118 138:191 139:104 140:517
141:138 142:393 143:214 144:271 145:67 146:315
147:143 148:369 149:193 150:115 151:117 152:91
153:119 154:6 155:250 156:124 157:176 158:169
159:148 160:98 161:86 162:228 163:162 164:460
165:290 166:247 167:282 168:498 169:121 170:374
171:15 172:1 178:1 184:1 189:151 190:360
191:1 192:5802 193:3686 194:2976 195:2334 196:994
198:3911 199:3358 200:4656 201:967 202:7221 203:7354
204:4125 205:2215 206:2655 207:3141 208:3141 209:3728
210:2385 211:938 212:1363 213:1479 214:396 215:39
216:4237 217:1327 218:364 219:264 220:862 221:369
222:275
End of report
