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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Tue 05 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 210004
Prefixes after maximum aggregation: 109301
Unique aggregates announced to Internet: 95638
Total ASes present in the Internet Routing Table: 23090
Origin-only ASes present in the Internet Routing Table: 20092
Origin ASes announcing only one prefix: 9614
Transit ASes present in the Internet Routing Table: 2998
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 23
Unregistered ASNs in the Routing Table: 17
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1580169149
Equivalent to 94 /8s, 47 /16s and 119 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 108213
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44627
Total APNIC prefixes after maximum aggregation: 17526
Prefixes being announced from the APNIC address blocks: 42154
Unique aggregates announced from the APNIC address blocks: 18374
APNIC Region origin ASes present in the Internet Routing Table: 2697
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 407
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262019712
Equivalent to 15 /8s, 158 /16s and 26 /24s
Percentage of available APNIC address space announced: 81.9
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, 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: 109824
Total ARIN prefixes after maximum aggregation: 60402
Prefixes being announced from the ARIN address blocks: 82111
Unique aggregates announced from the ARIN address blocks: 27570
ARIN Region origin ASes present in the Internet Routing Table: 10958
ARIN Region origin ASes announcing only one prefix: 4125
ARIN Region transit ASes present in the Internet Routing Table: 1019
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296747873
Equivalent to 17 /8s, 176 /16s and 3 /24s
Percentage of available ARIN address space announced: 76.9
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, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40807
Total RIPE prefixes after maximum aggregation: 26644
Prefixes being announced from the RIPE address blocks: 37924
Unique aggregates announced from the RIPE address blocks: 24632
RIPE Region origin ASes present in the Internet Routing Table: 8487
RIPE Region origin ASes announcing only one prefix: 4442
RIPE Region transit ASes present in the Internet Routing Table: 1386
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 263119712
Equivalent to 15 /8s, 174 /16s and 227 /24s
Percentage of available RIPE address space announced: 71.3
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
40960-41983
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: 12347
Total LACNIC prefixes after maximum aggregation: 3785
Prefixes being announced from the LACNIC address blocks: 10383
Unique aggregates announced from the LACNIC address blocks: 6016
LACNIC Region origin ASes present in the Internet Routing Table: 718
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32398080
Equivalent to 1 /8s, 238 /16s and 91 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2377
Total AfriNIC prefixes after maximum aggregation: 944
Prefixes being announced from the AfriNIC address blocks: 1667
Unique aggregates announced from the AfriNIC address blocks: 1007
AfriNIC Region origin ASes present in the Internet Routing Table: 162
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4230656
Equivalent to 0 /8s, 64 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1304 8111 240 CHINANET-BACKBONE
4755 976 255 64 Videsh Sanchar Nigam Ltd. Aut
9583 954 109 15 Sify Limited
9498 846 212 72 BHARTI BT INTERNET LTD.
4766 759 4436 310 Korea Telecom (KIX)
1221 652 1779 480 Telstra Pty Ltd
4538 599 2718 32 China Education and Research
7545 538 124 73 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
17849 427 31 124 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 395 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 29 167 Pakistan Telecom
7474 355 210 227 SingTel Optus Pty Ltd
2907 340 1733 313 SINET Japan
10139 330 23 6 Meridian Telekoms
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 550 1944 432 UUNET - Commercial IP service
3215 389 1759 97 France Telecom Transpac
3301 313 1186 298 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 285 471 268 COLT Telecommunications
24863 256 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
1257 248 740 166 SWIPnet Swedish IP Network
6746 244 90 223 Dynamic Network Technologies,
5089 239 1657 50 NTL Group Limited
3246 232 462 222 Song Networks
8708 216 278 203 Romania Data Systems S.A.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 195 879 43 UPC Distribution Services
5416 181 12 7 BATELCO-BH
3300 176 171 97 AUCS Communications Services
786 171 1779 171 The JANET IP Service
8866 171 37 15 Bulgarian Telecommunication C
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 4989 6780 782 UUNET Technologies, Inc.
4323 3218 776 292 Time Warner Telecom
7018 1497 6284 967 AT&T WorldNet Services
705 1478 556 649 UUNET Technologies, Inc.
6197 1026 639 477 BellSouth Network Solutions,
721 984 21909 307 DLA Systems Automation Center
2386 964 561 731 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 944 5754 882 Cogent Communications
1239 834 2749 589 Sprint
7046 821 250 679 UUNET Technologies, Inc.
20115 740 661 387 Charter Communications
19262 739 2276 189 Verizon Global Networks
11492 731 90 14 Cable One
22773 695 1744 43 Cox Communications, Inc.
209 684 3641 540 Qwest
7011 668 207 422 Citizens Utilities
852 601 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3218 2926 Time Warner Telecom
4134 1304 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 954 939 Sify Limited
4755 976 912 Videsh Sanchar Nigam Ltd. Aut
705 1478 829 UUNET Technologies, Inc.
9498 846 774 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
721 984 677 DLA Systems Automation Center
22773 695 652 Cox Communications, Inc.
4538 599 567 China Education and Research
19262 739 550 Verizon Global Networks
6197 1026 549 BellSouth Network Solutions,
7018 1497 530 AT&T WorldNet Services
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
8151 741 514 UniNet S.A. de C.V.
19916 563 509 OLM LLC
855 562 489 Canadian Research Network
7545 538 465 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65014 PRIVATE 135.196.176.96/27 8190 VIATEL
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
65016 PRIVATE 212.2.26.64/29 8190 VIATEL
65016 PRIVATE 212.2.31.184/30 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
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
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65013 PRIVATE 213.235.33.0/27 8190 VIATEL
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
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
0.0.0.0/8 3303 Swisscom Ltd
169.254.0.0/16 8895 KACST/ISU Riyadh Autonomous S
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.0.2.0/24 8895 KACST/ISU Riyadh Autonomous S
192.168.83.0/24 292 Energy Sciences Network
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
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
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
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:9 /10:13 /11:31 /12:103
/13:217 /14:381 /15:746 /16:9014 /17:3513 /18:5756
/19:12450 /20:14175 /21:12581 /22:16078 /23:17389 /24:115156
/25:507 /26:491 /27:304 /28:221 /29:197 /30:532
/31:0 /32:121
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3717 4989 UUNET Technologies, Inc.
4323 1913 3218 Time Warner Telecom
18566 941 958 Covad Communications
705 925 1478 UUNET Technologies, Inc.
6197 805 1026 BellSouth Network Solutions,
9583 785 954 Sify Limited
7018 782 1497 AT&T WorldNet Services
11492 719 731 Cable One
2386 681 964 AT&T Data Communications Serv
7046 585 821 UUNET Technologies, Inc.
7011 573 668 Citizens Utilities
4766 570 759 Korea Telecom (KIX)
19916 557 563 OLM LLC
2686 513 557 IBM
9498 505 846 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 562 Canadian Research Network
5668 419 536 CenturyTel Internet Holdings,
17849 414 427 Telecommunications Technology
4755 412 976 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:8 8:46 11:1 12:1632 13:1
15:16 16:3 17:3 18:4 20:41 24:822
25:1 32:269 38:251 40:55 41:17 44:3
47:6 52:4 55:1 56:3 57:54 58:236
59:293 60:184 61:918 62:972 63:3384 64:3488
65:3624 66:3883 67:664 68:652 69:1620 70:388
71:89 72:893 74:77 75:6 80:790 81:692
82:672 83:394 84:403 85:688 86:355 87:440
88:175 89:433 121:19 122:6 123:1 124:370
125:638 128:152 129:207 130:117 131:314 132:38
133:8 134:163 135:48 136:172 137:87 138:224
139:133 140:521 141:135 142:390 143:192 144:239
145:41 146:326 147:140 148:353 149:180 150:113
151:118 152:78 153:117 154:6 155:222 156:172
157:179 158:165 159:175 160:93 161:88 162:218
163:166 164:294 165:227 166:184 167:244 168:602
169:128 170:360 171:14 190:202 192:5829 193:3432
194:2790 195:2205 196:929 198:4031 199:3384 200:4625
201:1025 202:6965 203:7180 204:4089 205:2164 206:2820
207:3612 208:3033 209:3795 210:2239 211:907 212:1368
213:1493 214:366 215:41 216:4381 217:1328 218:359
219:292 220:794 221:384 222:262
End of report
