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



Routing Table Report   00:00 GMT Tue 14 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/2007/08/14

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

BGP routing table entries examined:                              233743
    Prefixes after maximum aggregation:                          120591
    Deaggregation factor:                                          1.94
    Unique aggregates announced to Internet:                     111102
Total ASes present in the Internet Routing Table:                 25997
    Prefixes per ASN:                                              8.99
Origin-only ASes present in the Internet Routing Table:           22606
Origin ASes announcing only one prefix:                           11004
Transit ASes present in the Internet Routing Table:                3391
Transit-only ASes present in the Internet Routing Table:             77
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      21
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                40
    Unregistered ASNs in the Routing Table:                          20
Prefixes from 32-bit ASNs in the Routing Table:                       6
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1750254276
    Equivalent to 104 /8s, 82 /16s and 194 /24s
    Percentage of available address space announced:               47.2
    Percentage of allocated address space announced:               61.8
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      124425

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

Prefixes being announced by APNIC Region ASes:                    55142
    Total APNIC prefixes after maximum aggregation:               21034
    APNIC Deaggregation factor:                                    2.62
Prefixes being announced from the APNIC address blocks:           51959
    Unique aggregates announced from the APNIC address blocks:    22140
APNIC Region origin ASes present in the Internet Routing Table:    3042
    APNIC Prefixes per ASN:                                       17.08
APNIC Region origin ASes announcing only one prefix:                821
APNIC Region transit ASes present in the Internet Routing Table:    466
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              311350196
    Equivalent to 18 /8s, 142 /16s and 211 /24s
    Percentage of available APNIC address space announced:         77.1

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:                    109954
    Total ARIN prefixes after maximum aggregation:                63129
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            80710
    Unique aggregates announced from the ARIN address blocks:     31861
ARIN Region origin ASes present in the Internet Routing Table:    11749
    ARIN Prefixes per ASN:                                         6.87
ARIN Region origin ASes announcing only one prefix:                4499
ARIN Region transit ASes present in the Internet Routing Table:    1093
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               342081888
    Equivalent to 20 /8s, 99 /16s and 193 /24s
    Percentage of available ARIN address space announced:          75.5

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:                     49626
    Total RIPE prefixes after maximum aggregation:                30963
    RIPE Deaggregation factor:                                     1.60
Prefixes being announced from the RIPE address blocks:            46063
    Unique aggregates announced from the RIPE address blocks:     29285
RIPE Region origin ASes present in the Internet Routing Table:    10076
    RIPE Prefixes per ASN:                                         4.57
RIPE Region origin ASes announcing only one prefix:                5342
RIPE Region transit ASes present in the Internet Routing Table:    1620
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          21
Number of RIPE addresses announced to Internet:               324106560
    Equivalent to 19 /8s, 81 /16s and 121 /24s
    Percentage of available RIPE address space announced:          74.3

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
                       40960-44031
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:                   16190
    Total LACNIC prefixes after maximum aggregation:               4391
    LACNIC Deaggregation factor:                                   3.69
Prefixes being announced from the LACNIC address blocks:          14255
    Unique aggregates announced from the LACNIC address blocks:    7669
LACNIC Region origin ASes present in the Internet Routing Table:    847
    LACNIC Prefixes per ASN:                                      16.83
LACNIC Region origin ASes announcing only one prefix:               275
LACNIC Region transit ASes present in the Internet Routing Table:   141
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              41888768
    Equivalent to 2 /8s, 127 /16s and 44 /24s
    Percentage of available LACNIC address space announced:        62.4

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:                   2788
    Total AfriNIC prefixes after maximum aggregation:              1062
    AfriNIC Deaggregation factor:                                  2.63
Prefixes being announced from the AfriNIC address blocks:          2291
    Unique aggregates announced from the AfriNIC address blocks:   1345
AfriNIC Region origin ASes present in the Internet Routing Table:   205
    AfriNIC Prefixes per ASN:                                     11.18
AfriNIC Region origin ASes announcing only one prefix:               67
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:                       14
Number of AfriNIC addresses announced to Internet:              6399744
    Equivalent to 0 /8s, 97 /16s and 167 /24s
    Percentage of available AfriNIC address space announced:       19.1

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     1343      11142         287   CHINANET-BACKBONE
 4755     1322        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1122         80         400   Sify Limited
 9498      995        532          69   BHARTI BT INTERNET LTD.
23577      927         34         796   Korea Telecom (ATM-MPLS)
 9394      841       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      797       5440         315   Korea Telecom (KIX)
17488      742         48          59   Hathway IP Over Cable Interne
 7545      699        150         115   TPG Internet Pty Ltd
 1221      595       1951         439   Telstra Pty Ltd
18101      586        118          44   Reliance Infocom Ltd Internet
 4812      537        931          96   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 4808      479        770         109   CNCGROUP IP network: China169
 9443      474        122          78   Primus Telecommunications
 7474      473        217         271   SingTel Optus Pty Ltd
 9942      440         77         113   COMindico Australia
 4802      420        112         151   Wantree Development
 9829      363        258          14   BSNL National Internet Backbo

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1130       1079         183   Telenor Internet Access
  702      502       1922         403   UUNET - Commercial IP service
 5089      369       1658          54   NTL Group Limited
24863      362         57          41   LINKdotNET AS number
 9116      340        168          26   Goldenlines main autonomous s
 8551      320        315          43   Bezeq International
 3301      313       1456         293   TeliaNet Sweden
 3320      312       6035         259   Deutsche Telekom AG
 6746      287        130         263   Dynamic Network Technologies,
  680      266       2061         257   DFN-IP service G-WiN
 8220      263        446         245   COLT Telecommunications
 8708      261        420         242   Romania Data Systems S.A.
 3215      256       2392          97   France Telecom Transpac
 3352      224       1864          41   Ibernet, Internet Access Netw
 3269      221       2775          73   TELECOM ITALIA
 9121      210       1441          24   TTnet Autonomous System
 1257      208       1195         173   SWIPnet Swedish IP Network
 3300      197        171          92   AUCS Communications Services 
 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     1469       6082         981   AT&T WorldNet Services
 4323     1328       1006         371   Time Warner Telecom
 2386     1201        614         739   AT&T Data Communications Serv
11492     1120        109          32   Cable One 
 6478     1115        322         140   AT&T Worldnet Services 
 6197     1030        718         512   BellSouth Network Solutions, 
18566     1019        288           9   Covad Communications 
  174      968       6777         857   Cogent Communications
  701      945       6579         723   UUNET Technologies, Inc. 
 7011      905        259         544   Citizens Utilities 
20115      804        740         431   Charter Communications 
 1239      802       2724         569   Sprint 
19262      763       2721         182   Verizon Global Networks 
22773      754       2148          49   Cox Communications, Inc.
  209      740       3853         587   Qwest 
  577      703        797         205   Bell Advanced Communications 
 5668      629        171          24   CenturyTel Internet Holdings,
  852      589       1094         367   Telus Advanced Communications
 6517      578        161          38   Yipes Communications, Inc. 
  855      575        254          73   Canadian Research Network 

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

  ASN   No of nets  Net Savings Description
 4755      1322        1252      Videsh Sanchar Nigam Ltd. Aut
11492      1120        1088      Cable One 
 4134      1343        1056      CHINANET-BACKBONE
18566      1019        1010      Covad Communications 
 6478      1115         975      AT&T Worldnet Services 
 4323      1328         957      Time Warner Telecom
 2119      1130         947      Telenor Internet Access
 9498       995         926      BHARTI BT INTERNET LTD.
 9394       841         834      CHINA RAILWAY Internet(CRNET)
 9583      1122         722      Sify Limited
 8151       917         706      UniNet S.A. de C.V. 
22773       754         705      Cox Communications, Inc.
17488       742         683      Hathway IP Over Cable Interne
 5668       629         605      CenturyTel Internet Holdings,
 7545       699         584      TPG Internet Pty Ltd
19262       763         581      Verizon Global Networks 
18101       586         542      Reliance Infocom Ltd Internet
 6517       578         540      Yipes Communications, Inc. 
15270       568         530      PaeTec.net -a division of Pae
 6197      1030         518      BellSouth Network Solutions, 

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.
65108   PRIVATE       84.234.80.0/20       43379       *
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 
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
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
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.
192.44.0.0/24         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        /8:18       /9:9       /10:15      /11:36      /12:133     
/13:262     /14:474     /15:924     /16:9619    /17:4136    /18:6664    
/19:14034   /20:16620   /21:15232   /22:19457   /23:20513   /24:121728  
/25:1064    /26:1389    /27:587     /28:260     /29:181     /30:297     
/31:5       /32:86      

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

  ASN   No of nets  Total ann.   Description
 6478     1114          1115      AT&T Worldnet Services 
11492     1112          1120      Cable One 
 2119     1011          1130      Telenor Internet Access
18566     1001          1019      Covad Communications 
 9583      964          1122      Sify Limited
23577      918           927      Korea Telecom (ATM-MPLS)
 2386      896          1201      AT&T Data Communications Serv
 7018      807          1469      AT&T WorldNet Services
 7011      803           905      Citizens Utilities 
 6197      783          1030      BellSouth Network Solutions, 
 4755      708          1322      Videsh Sanchar Nigam Ltd. Aut
 9498      663           995      BHARTI BT INTERNET LTD.
 4766      594           797      Korea Telecom (KIX)
17488      565           742      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 4323      559          1328      Time Warner Telecom
 6517      542           578      Yipes Communications, Inc. 
15270      532           568      PaeTec.net -a division of Pae
 4668      502           512      LG-EDS Systems Inc.
18101      496           586      Reliance Infocom Ltd Internet

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

   4:8         7:1         8:86       12:1813     15:19       16:3      
  17:3        18:12       20:37       24:968      25:1        32:174    
  33:3        38:344      40:60       41:297      43:6        44:2      
  47:4        52:4        55:3        56:3        57:48       58:473    
  59:387      60:345      61:1008     62:994      63:2006     64:3189   
  65:2394     66:3357     67:771      68:628      69:1952     70:454    
  71:115      72:1388     73:2        74:619      75:298      76:101    
  77:280      78:34       80:846      81:835      82:728      83:387    
  84:603      85:865      86:343      87:478      88:279      89:956    
  90:22       91:457      97:6       116:281     117:116     121:261    
 122:573     123:152     124:841     125:977     128:290     129:211    
 130:140     131:362     132:55      133:9       134:199     135:34     
 136:188     137:84      138:148     139:122     140:495     141:171    
 142:397     143:254     144:297     145:46      146:324     147:120    
 148:410     149:145     150:111     151:159     152:91      153:122    
 154:4       155:260     156:156     157:212     158:157     159:176    
 160:108     161:97      162:186     163:179     164:476     165:395    
 166:271     167:295     168:509     169:121     170:393     171:22     
 172:2       189:68      190:927     192:5809    193:3986    194:3218   
 195:2343    196:1012    198:3898    199:3271    200:5088    201:1152   
 202:7461    203:7656    204:3975    205:1986    206:2471    207:2935   
 208:2779    209:3547    210:2453    211:1027    212:1337    213:1533   
 214:414     215:40      216:3997    217:1177    218:370     219:388    
 220:1030    221:416     222:261    

End of report