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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Sun 14 Jan, 2007
Analysis Summary
----------------
BGP routing table entries examined: 217846
Prefixes after maximum aggregation: 113988
Deaggregation factor: 1.91
Unique aggregates announced to Internet: 100562
Total ASes present in the Internet Routing Table: 24158
Origin-only ASes present in the Internet Routing Table: 21008
Origin ASes announcing only one prefix: 10139
Transit ASes present in the Internet Routing Table: 3150
Transit-only ASes present in the Internet Routing Table: 64
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1654482440
Equivalent to 98 /8s, 157 /16s and 102 /24s
Percentage of available address space announced: 44.6
Percentage of allocated address space announced: 63.3
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 113637
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 47961
Total APNIC prefixes after maximum aggregation: 18817
APNIC Deaggregation factor: 2.55
Prefixes being announced from the APNIC address blocks: 45435
Unique aggregates announced from the APNIC address blocks: 19132
APNIC Region origin ASes present in the Internet Routing Table: 2834
APNIC Region origin ASes announcing only one prefix: 788
APNIC Region transit ASes present in the Internet Routing Table: 433
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 274975360
Equivalent to 16 /8s, 99 /16s and 202 /24s
Percentage of available APNIC address space announced: 86.0
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: 109493
Total ARIN prefixes after maximum aggregation: 61945
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 81725
Unique aggregates announced from the ARIN address blocks: 28746
ARIN Region origin ASes present in the Internet Routing Table: 11264
ARIN Region origin ASes announcing only one prefix: 4302
ARIN Region transit ASes present in the Internet Routing Table: 1057
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 312495584
Equivalent to 18 /8s, 160 /16s and 77 /24s
Percentage of available ARIN address space announced: 69.0
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: 44104
Total RIPE prefixes after maximum aggregation: 28301
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 41048
Unique aggregates announced from the RIPE address blocks: 26364
RIPE Region origin ASes present in the Internet Routing Table: 9066
RIPE Region origin ASes announcing only one prefix: 4743
RIPE Region transit ASes present in the Internet Routing Table: 1460
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 31
Number of RIPE addresses announced to Internet: 284004128
Equivalent to 16 /8s, 237 /16s and 143 /24s
Percentage of available RIPE address space announced: 76.9
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: 13655
Total LACNIC prefixes after maximum aggregation: 3941
LACNIC Deaggregation factor: 3.46
Prefixes being announced from the LACNIC address blocks: 11744
Unique aggregates announced from the LACNIC address blocks: 6840
LACNIC Region origin ASes present in the Internet Routing Table: 757
LACNIC Region origin ASes announcing only one prefix: 253
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 36150784
Equivalent to 2 /8s, 39 /16s and 158 /24s
Percentage of available LACNIC address space announced: 53.9
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: 2613
Total AfriNIC prefixes after maximum aggregation: 984
AfriNIC Deaggregation factor: 2.66
Prefixes being announced from the AfriNIC address blocks: 1863
Unique aggregates announced from the AfriNIC address blocks: 1080
AfriNIC Region origin ASes present in the Internet Routing Table: 173
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 28
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 5346816
Equivalent to 0 /8s, 81 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 15.9
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 1262 8628 265 CHINANET-BACKBONE
4755 1078 383 65 Videsh Sanchar Nigam Ltd. Aut
9583 1034 99 66 Sify Limited
9498 923 467 65 BHARTI BT INTERNET LTD.
4538 865 2909 36 China Education and Research
23577 772 34 701 KRNIC
4766 761 4946 312 Korea Telecom (KIX)
1221 613 1698 456 Telstra Pty Ltd
17488 571 36 23 Hathway IP Over Cable Interne
7545 563 126 75 TPG Internet Pty Ltd
17676 503 10935 66 Softbank BB Corp.
18101 499 87 27 Reliance Infocom Ltd Internet
4788 451 340 26 Telekom Malaysia
9443 442 111 74 Primus Telecommunications
4812 437 759 69 China Telecom (Shanghai)
9942 436 85 131 COMindico Australia
7474 381 211 236 SingTel Optus Pty Ltd
17974 376 129 12 PT TELEKOMUNIKASI INDONESIA
4802 362 86 150 Wantree Development
17557 354 35 171 Pakistan Telecom
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 545 1912 424 UUNET - Commercial IP service
3215 388 2136 96 France Telecom Transpac
24863 386 45 15 LINKdotNET AS number
3301 305 1199 287 TeliaNet Sweden
3320 296 4993 247 Deutsche Telekom AG
8220 272 473 262 COLT Telecommunications
6746 265 93 243 Dynamic Network Technologies,
680 256 2042 250 DFN-IP service G-WiN
1257 252 1069 173 SWIPnet Swedish IP Network
5089 242 1657 52 NTL Group Limited
8708 234 283 221 Romania Data Systems S.A.
3269 211 2375 74 TELECOM ITALIA
3246 209 354 196 Song Networks
30890 207 18 89 SC Kappa Invexim SRL
5416 206 13 9 BATELCO-BH
8551 197 197 24 Bezeq International
3300 187 171 95 AUCS Communications Services
20858 186 34 3 This AS will be used to conne
3352 176 1767 31 Ibernet, Internet Access Netw
5400 175 381 141 BT Ignite European Backbone
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4835 6675 745 UUNET Technologies, Inc.
7018 1540 6153 995 AT&T WorldNet Services
705 1399 552 604 UUNET Technologies, Inc.
2386 1100 585 731 AT&T Data Communications Serv
4323 1060 821 295 Time Warner Telecom
6197 1021 639 505 BellSouth Network Solutions,
18566 986 272 8 Covad Communications
174 936 6789 867 Cogent Communications
11492 911 99 14 Cable One
1239 830 2731 577 Sprint
19262 804 2538 182 Verizon Global Networks
7046 798 267 657 UUNET Technologies, Inc.
20115 775 678 420 Charter Communications
209 721 3748 567 Qwest
22773 715 1744 41 Cox Communications, Inc.
721 706 21836 283 DLA Systems Automation Center
7011 704 210 440 Citizens Utilities
852 622 1093 394 Telus Advanced Communications
577 575 760 213 Bell Advanced Communications
5668 571 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1078 1013 Videsh Sanchar Nigam Ltd. Aut
4134 1262 997 CHINANET-BACKBONE
18566 986 978 Covad Communications
9583 1034 968 Sify Limited
11492 911 897 Cable One
9498 923 858 BHARTI BT INTERNET LTD.
4538 865 829 China Education and Research
705 1399 795 UUNET Technologies, Inc.
4323 1060 765 Time Warner Telecom
22773 715 674 Cox Communications, Inc.
8151 839 643 UniNet S.A. de C.V.
19262 804 622 Verizon Global Networks
5668 571 552 CenturyTel Internet Holdings,
17488 571 548 Hathway IP Over Cable Interne
7018 1540 545 AT&T WorldNet Services
6197 1021 516 BellSouth Network Solutions,
19916 567 510 OLM LLC
11830 504 495 Instituto Costarricense de El
7545 563 488 TPG Internet Pty Ltd
18101 499 472 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
64512 PRIVATE 144.16.192.0/24 9583 Sify Limited
65422 PRIVATE 193.227.230.8/29 35731 Network Technology S
65414 PRIVATE 193.227.230.24/30 35731 Network Technology S
65422 PRIVATE 193.227.230.56/30 35731 Network Technology S
65418 PRIVATE 193.227.230.64/28 35731 Network Technology S
65418 PRIVATE 193.227.230.78/32 35731 Network Technology S
65420 PRIVATE 193.227.230.83/32 35731 Network Technology S
65420 PRIVATE 193.227.230.87/32 35731 Network Technology S
65413 PRIVATE 193.227.230.103/32 35731 Network Technology S
65422 PRIVATE 193.227.230.168/30 35731 Network Technology S
65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited
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
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
172.19.57.0/24 3596 Universidad Autonoma Metropol
192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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
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
192.172.0.0/19 721 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 /11:30 /12:118
/13:240 /14:412 /15:810 /16:9141 /17:3710 /18:6067
/19:13137 /20:14749 /21:13464 /22:17164 /23:18607 /24:117588
/25:709 /26:526 /27:446 /28:191 /29:151 /30:468
/31:0 /32:76
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3598 4835 UUNET Technologies, Inc.
18566 969 986 Covad Communications
11492 897 911 Cable One
9583 863 1034 Sify Limited
705 861 1399 UUNET Technologies, Inc.
7018 836 1540 AT&T WorldNet Services
2386 825 1100 AT&T Data Communications Serv
6197 794 1021 BellSouth Network Solutions,
23577 758 772 KRNIC
7011 609 704 Citizens Utilities
9498 581 923 BHARTI BT INTERNET LTD.
4766 569 761 Korea Telecom (KIX)
19916 562 567 OLM LLC
7046 552 798 UUNET Technologies, Inc.
4538 533 865 China Education and Research
4755 497 1078 Videsh Sanchar Nigam Ltd. Aut
15270 465 497 PaeTec.net -a division of Pae
5668 440 571 CenturyTel Internet Holdings,
855 433 536 Canadian Research Network
18101 433 499 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:63 9:1 12:1671 13:1 15:15
16:3 17:3 18:5 20:36 24:873 25:1
32:176 38:273 40:57 41:60 44:2 47:10
52:4 55:1 56:3 57:51 58:308 59:397
60:196 61:977 62:1202 63:3328 64:3299 65:3633
66:3182 67:715 68:645 69:1725 70:413 71:129
72:1127 74:129 75:58 76:20 80:830 81:793
82:651 83:355 84:497 85:789 86:430 87:456
88:260 89:750 90:2 91:123 97:1 121:126
122:55 123:24 124:522 125:773 128:310 129:218
130:126 131:316 132:49 133:11 134:183 135:44
136:181 137:114 138:187 139:106 140:521 141:135
142:369 143:212 144:268 145:67 146:322 147:141
148:363 149:190 150:114 151:117 152:91 153:119
154:6 155:244 156:155 157:154 158:167 159:140
160:99 161:97 162:226 163:159 164:246 165:237
166:243 167:280 168:475 169:121 170:364 171:13
172:2 189:71 190:342 192:5789 193:3630 194:2942
195:2316 196:987 198:3921 199:3360 200:4632 201:950
202:7284 203:7326 204:4102 205:2224 206:2657 207:3137
208:3078 209:3695 210:2620 211:975 212:1354 213:1473
214:385 215:39 216:4234 217:1349 218:386 219:296
220:842 221:378 222:274
End of report
