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[bgp-stats] Routing Table Report - Oregon IX view



Routing Table Report   00:00 GMT Wed 08 Aug, 2007

NB: RouteViews data includes iBGP information from some ASNs.
    Treat the information provided below appropriately.

Report Website: http://thyme.apnic.net
This report:    http://thyme.apnic.net/oix-data/2007/08/08

Analysis Summary
----------------

BGP routing table entries examined:                              215926
    Prefixes after maximum aggregation:                          114721
    Deaggregation factor:                                          1.88
    Unique aggregates announced to Internet:                     108312
Total ASes present in the Internet Routing Table:                 24847
    Prefixes per ASN:                                              8.69
Origin-only ASes present in the Internet Routing Table:           21526
Origin ASes announcing only one prefix:                           10672
Transit ASes present in the Internet Routing Table:                3321
Transit-only ASes present in the Internet Routing Table:            122
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      27
    Max AS path prepend of ASN (16327)                               21
Prefixes from unregistered ASNs in the Routing Table:                43
    Unregistered ASNs in the Routing Table:                          21
Prefixes from 32-bit ASNs in the Routing Table:                       5
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1606294444
    Equivalent to 95 /8s, 190 /16s and 27 /24s
    Percentage of available address space announced:               43.3
    Percentage of allocated address space announced:               56.7
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      117132

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    47956
    Total APNIC prefixes after maximum aggregation:               19650
    APNIC Deaggregation factor:                                    2.44
Prefixes being announced from the APNIC address blocks:           45095
    Unique aggregates announced from the APNIC address blocks:    21513
APNIC Region origin ASes present in the Internet Routing Table:    2816
    APNIC Prefixes per ASN:                                       16.01
APNIC Region origin ASes announcing only one prefix:                752
APNIC Region transit ASes present in the Internet Routing Table:    441
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              215525668
    Equivalent to 12 /8s, 216 /16s and 169 /24s
    Percentage of available APNIC address space announced:         53.4

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:                    102712
    Total ARIN prefixes after maximum aggregation:                59511
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:            74697
    Unique aggregates announced from the ARIN address blocks:     30945
ARIN Region origin ASes present in the Internet Routing Table:    11103
    ARIN Prefixes per ASN:                                         6.73
ARIN Region origin ASes announcing only one prefix:                4390
ARIN Region transit ASes present in the Internet Routing Table:    1071
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               328790673
    Equivalent to 19 /8s, 152 /16s and 242 /24s
    Percentage of available ARIN address space announced:          72.6

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:                     47918
    Total RIPE prefixes after maximum aggregation:                30074
    RIPE Deaggregation factor:                                     1.59
Prefixes being announced from the RIPE address blocks:            44271
    Unique aggregates announced from the RIPE address blocks:     28530
RIPE Region origin ASes present in the Internet Routing Table:     9812
    RIPE Prefixes per ASN:                                         4.51
RIPE Region origin ASes announcing only one prefix:                5214
RIPE Region transit ASes present in the Internet Routing Table:    1590
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          23
Number of RIPE addresses announced to Internet:               312926081
    Equivalent to 18 /8s, 166 /16s and 223 /24s
    Percentage of available RIPE address space announced:          71.7

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
                       40960-44031
RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                       and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   14890
    Total LACNIC prefixes after maximum aggregation:               4375
    LACNIC Deaggregation factor:                                   3.40
Prefixes being announced from the LACNIC address blocks:          13065
    Unique aggregates announced from the LACNIC address blocks:    7665
LACNIC Region origin ASes present in the Internet Routing Table:    798
    LACNIC Prefixes per ASN:                                      16.37
LACNIC Region origin ASes announcing only one prefix:               252
LACNIC Region transit ASes present in the Internet Routing Table:   140
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC addresses announced to Internet:              40589568
    Equivalent to 2 /8s, 107 /16s and 89 /24s
    Percentage of available LACNIC address space announced:        60.5

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:                   2407
    Total AfriNIC prefixes after maximum aggregation:              1101
    AfriNIC Deaggregation factor:                                  2.19
Prefixes being announced from the AfriNIC address blocks:          2104
    Unique aggregates announced from the AfriNIC address blocks:   1276
AfriNIC Region origin ASes present in the Internet Routing Table:   195
    AfriNIC Prefixes per ASN:                                     10.79
AfriNIC Region origin ASes announcing only one prefix:               64
AfriNIC Region transit ASes present in the Internet Routing Table:   31
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              5582080
    Equivalent to 0 /8s, 85 /16s and 45 /24s
    Percentage of available AfriNIC address space announced:       16.6

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
 4755     1315        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1052         74         454   Sify Limited
 9498     1011        533          71   BHARTI BT INTERNET LTD.
23577      923         34         794   Korea Telecom (ATM-MPLS)
 4766      805       4931         317   Korea Telecom (KIX)
 9394      644       1459         175   CHINA RAILWAY Internet(CRNET)
 4134      639       5686         171   CHINANET-BACKBONE
17488      615         40          72   Hathway IP Over Cable Interne
 1221      596       1951         440   Telstra Pty Ltd
18101      579        118          41   Reliance Infocom Ltd Internet
 4808      475        767         109   CNCGROUP IP network: China169
 9443      473        122          78   Primus Telecommunications
 7474      469        217         271   SingTel Optus Pty Ltd
 9942      413         71         137   COMindico Australia
 4812      357        618          87   China Telecom (Shanghai)
 4837      352       4944         164   chinanet IDC center beijing n
 4668      335         35         108   LG-EDS Systems Inc.
 2907      330       1676         300   SINET Japan
 7552      322        166           6   Vietel Corporation
 4804      320        360          62   Microplex PTY LTD

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1132       1079         184   Telenor Internet Access
  702      503       1922         404   UUNET - Commercial IP service
 5089      367       1658          53   NTL Group Limited
24863      362         57          41   LINKdotNET AS number
 3301      313       1456         293   TeliaNet Sweden
 3320      313       6035         259   Deutsche Telekom AG
 8551      301        300          45   Bezeq International
 6746      287        130         263   Dynamic Network Technologies,
 9116      268        166          25   Goldenlines main autonomous s
  680      265       2060         256   DFN-IP service G-WiN
 8220      261        445         243   COLT Telecommunications
 3215      255       2376          96   France Telecom Transpac
 8708      252        420         241   Romania Data Systems S.A.
 1901      242        111         113   KPNQwest Austria
 5631      210          7           3   iPcenta European AS
 1257      208       1195         173   SWIPnet Swedish IP Network
 3352      205       1760          47   Ibernet, Internet Access Netw
 9121      201       1432          23   TTnet Autonomous System
 3292      195       1379         175   TDC Tele Danmark
 2856      193       2318         153   BTnet UK Regional network

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1452       6063         974   AT&T WorldNet Services
 2386     1195        614         738   AT&T Data Communications Serv
 6478     1107        321         127   AT&T Worldnet Services 
11492     1058        109          21   Cable One 
 6197      987        686         523   BellSouth Network Solutions, 
  174      966       6776         855   Cogent Communications
  701      946       6578         722   UUNET Technologies, Inc. 
18566      929        273          12   Covad Communications 
 7011      905        259         544   Citizens Utilities 
 1239      808       2741         573   Sprint 
20115      806        742         436   Charter Communications 
19262      762       2748         183   Verizon Global Networks 
  209      749       3869         594   Qwest 
  577      705        813         207   Bell Advanced Communications 
22773      700       2083          33   Cox Communications, Inc.
 5668      630        171          23   CenturyTel Internet Holdings,
  852      588       1093         365   Telus Advanced Communications
 6517      580        161          38   Yipes Communications, Inc. 
  855      574        254          73   Canadian Research Network 
 6198      570        658         252   BellSouth Network Solutions, 

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 4755      1315        1245      Videsh Sanchar Nigam Ltd. Aut
11492      1058        1037      Cable One 
 6478      1107         980      AT&T Worldnet Services 
 2119      1132         948      Telenor Internet Access
 9498      1011         940      BHARTI BT INTERNET LTD.
18566       929         917      Covad Communications 
 8151       901         694      UniNet S.A. de C.V. 
22773       700         667      Cox Communications, Inc.
 5668       630         607      CenturyTel Internet Holdings,
 9583      1052         598      Sify Limited
19262       762         579      Verizon Global Networks 
17488       615         543      Hathway IP Over Cable Interne
 6517       580         542      Yipes Communications, Inc. 
18101       579         538      Reliance Infocom Ltd Internet
15270       565         528      PaeTec.net -a division of Pae
19916       567         514      OLM LLC 
  855       574         501      Canadian Research Network 
  577       705         498      Bell Advanced Communications 
 4766       805         488      Korea Telecom (KIX)
11830       483         474      Instituto Costarricense de El

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
64513   PRIVATE       63.171.234.0/26       1803       SPRINT 
64513   PRIVATE       63.171.234.64/26      1803       SPRINT 
64513   PRIVATE       63.171.234.128/26     1803       SPRINT 
64513   PRIVATE       63.171.234.192/26     1803       SPRINT 
47588   UNALLOCATED   64.71.19.0/24        33544       WiLine Networks Inc.
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
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
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
65535   PRIVATE       200.62.98.0/24        7137       TELEMATIX/ ENITEL 
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
65012   PRIVATE       212.2.31.188/30       8190       VIATEL 
65039   PRIVATE       212.2.31.208/30       8190       VIATEL 
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
37956   UNALLOCATED   221.123.16.0/24      38440       Mobileclusters Ltd
37956   UNALLOCATED   221.123.17.0/24      38440       Mobileclusters Ltd
37956   UNALLOCATED   221.123.18.0/24      38440       Mobileclusters Ltd

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
192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
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        /8:17       /9:9       /10:12      /11:32      /12:113     
/13:234     /14:427     /15:823     /16:8446    /17:3624    /18:5972    
/19:12808   /20:15445   /21:14192   /22:18093   /23:19090   /24:112554  
/25:1058    /26:1386    /27:615     /28:311     /29:227     /30:342     
/31:0       /32:96      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
 6478     1106          1107      AT&T Worldnet Services 
11492     1049          1058      Cable One 
 2119     1013          1132      Telenor Internet Access
23577      914           923      Korea Telecom (ATM-MPLS)
18566      912           929      Covad Communications 
 9583      896          1052      Sify Limited
 2386      889          1195      AT&T Data Communications Serv
 7011      803           905      Citizens Utilities 
 7018      795          1452      AT&T WorldNet Services
 6197      743           987      BellSouth Network Solutions, 
 4755      704          1315      Videsh Sanchar Nigam Ltd. Aut
 9498      678          1011      BHARTI BT INTERNET LTD.
 4766      595           805      Korea Telecom (KIX)
19916      562           567      OLM LLC 
 6517      544           580      Yipes Communications, Inc. 
15270      530           565      PaeTec.net -a division of Pae
 5668      495           630      CenturyTel Internet Holdings,
18101      491           579      Reliance Infocom Ltd Internet
  855      472           574      Canadian Research Network 
17488      438           615      Hathway IP Over Cable Interne

Number of /24s announced per /8 block (Global)
----------------------------------------------

   4:8         7:1         8:84        9:1        12:1735     15:18     
  16:3        17:2        18:12       20:37       24:915      25:1      
  32:174      33:3        38:340      40:58       41:219      43:6      
  44:1        47:2        52:4        55:3        56:3        57:45     
  58:435      59:359      60:203      61:967      62:898      63:1863   
  64:3043     65:2396     66:3317     67:770      68:632      69:1917   
  70:454      71:113      72:1349     73:2        74:605      75:292    
  76:91       77:266      78:34       80:822      81:830      82:735    
  83:378      84:570      85:859      86:338      87:455      88:277    
  89:953      90:13       91:434      97:6       116:281     117:82     
 121:256     122:576     123:147     124:842     125:964     128:287    
 129:212     130:132     131:351     132:55      133:9       134:192    
 135:39      136:189     137:81      138:145     139:122     140:495    
 141:150     142:396     143:236     144:285     145:44      146:317    
 147:118     148:402     149:145     150:107     151:136     152:93     
 153:122     154:3       155:252     156:156     157:208     158:158    
 159:162     160:108     161:92      162:177     163:170     164:475    
 165:271     166:264     167:276     168:449     169:120     170:408    
 171:22      172:1       189:67      190:827     192:5521    193:3963   
 194:3141    195:2296    196:943     198:3575    199:2997    200:4522   
 201:1024    202:6672    203:6788    204:3493    205:1836    206:2237   
 207:2444    208:2478    209:2982    210:2280    211:954     212:1150   
 213:1349    214:411     215:34      216:3337    217:1014    218:336    
 219:299     220:915     221:367     222:171    

End of report