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



Routing Table Report   00:00 GMT Wed 15 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/2007/08/15

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

BGP routing table entries examined:                              234329
    Prefixes after maximum aggregation:                          121207
    Deaggregation factor:                                          1.93
    Unique aggregates announced to Internet:                     111224
Total ASes present in the Internet Routing Table:                 26023
    Prefixes per ASN:                                              9.00
Origin-only ASes present in the Internet Routing Table:           22601
Origin ASes announcing only one prefix:                           11003
Transit ASes present in the Internet Routing Table:                3422
Transit-only ASes present in the Internet Routing Table:             85
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                40
    Unregistered ASNs in the Routing Table:                          19
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:                   1752254788
    Equivalent to 104 /8s, 113 /16s and 73 /24s
    Percentage of available address space announced:               47.3
    Percentage of allocated address space announced:               61.9
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      124874

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

Prefixes being announced by APNIC Region ASes:                    55247
    Total APNIC prefixes after maximum aggregation:               21035
    APNIC Deaggregation factor:                                    2.63
Prefixes being announced from the APNIC address blocks:           52071
    Unique aggregates announced from the APNIC address blocks:    22198
APNIC Region origin ASes present in the Internet Routing Table:    3040
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:                811
APNIC Region transit ASes present in the Internet Routing Table:    472
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              311535540
    Equivalent to 18 /8s, 145 /16s and 167 /24s
    Percentage of available APNIC address space announced:         77.2

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:                    110324
    Total ARIN prefixes after maximum aggregation:                63219
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:            81053
    Unique aggregates announced from the ARIN address blocks:     31830
ARIN Region origin ASes present in the Internet Routing Table:    11765
    ARIN Prefixes per ASN:                                         6.89
ARIN Region origin ASes announcing only one prefix:                4514
ARIN Region transit ASes present in the Internet Routing Table:    1118
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               342338144
    Equivalent to 20 /8s, 103 /16s and 170 /24s
    Percentage of available ARIN address space announced:          75.6

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:                     49694
    Total RIPE prefixes after maximum aggregation:                31500
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            46129
    Unique aggregates announced from the RIPE address blocks:     29349
RIPE Region origin ASes present in the Internet Routing Table:    10082
    RIPE Prefixes per ASN:                                         4.58
RIPE Region origin ASes announcing only one prefix:                5340
RIPE Region transit ASes present in the Internet Routing Table:    1609
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               324234752
    Equivalent to 19 /8s, 83 /16s and 110 /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:                   16208
    Total LACNIC prefixes after maximum aggregation:               4386
    LACNIC Deaggregation factor:                                   3.70
Prefixes being announced from the LACNIC address blocks:          14283
    Unique aggregates announced from the LACNIC address blocks:    7699
LACNIC Region origin ASes present in the Internet Routing Table:    845
    LACNIC Prefixes per ASN:                                      16.90
LACNIC Region origin ASes announcing only one prefix:               271
LACNIC Region transit ASes present in the Internet Routing Table:   151
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              41888256
    Equivalent to 2 /8s, 127 /16s and 42 /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:                   2814
    Total AfriNIC prefixes after maximum aggregation:              1055
    AfriNIC Deaggregation factor:                                  2.67
Prefixes being announced from the AfriNIC address blocks:          2344
    Unique aggregates announced from the AfriNIC address blocks:   1327
AfriNIC Region origin ASes present in the Internet Routing Table:   205
    AfriNIC Prefixes per ASN:                                     11.43
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:                      3.9
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC addresses announced to Internet:              7444736
    Equivalent to 0 /8s, 113 /16s and 153 /24s
    Percentage of available AfriNIC address space announced:       22.2

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     1345      11142         288   CHINANET-BACKBONE
 4755     1323        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1123         80         402   Sify Limited
 9498      995        532          69   BHARTI BT INTERNET LTD.
23577      925         34         795   Korea Telecom (ATM-MPLS)
 9394      839       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      797       5440         315   Korea Telecom (KIX)
17488      751         49          57   Hathway IP Over Cable Interne
 7545      697        150         113   TPG Internet Pty Ltd
 1221      595       1951         441   Telstra Pty Ltd
18101      592        118          45   Reliance Infocom Ltd Internet
 4812      538        947          97   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 4808      488        785         111   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      364        258          15   BSNL National Internet Backbo

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1123        933         684   Telenor Internet Access
  702      503       1922         404   UUNET - Commercial IP service
 5089      368       1658          53   NTL Group Limited
24863      361         56          40   LINKdotNET AS number
 9116      341        168          26   Goldenlines main autonomous s
 8551      320        315          43   Bezeq International
 3320      315       6035         261   Deutsche Telekom AG
 3301      313       1456         293   TeliaNet Sweden
 6746      287        130         263   Dynamic Network Technologies,
  680      266       2061         257   DFN-IP service G-WiN
 8708      261        420         242   Romania Data Systems S.A.
 8220      260        445         243   COLT Telecommunications
 3215      256       2392          97   France Telecom Transpac
 3352      226       1868          38   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      200        172          94   AUCS Communications Services 
 3292      195       1379         175   TDC Tele Danmark
12479      194        578           6   Uni2 Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1496      10180        1005   AT&T WorldNet Services
 4323     1330       1007         371   Time Warner Telecom
 2386     1205        614         743   AT&T Data Communications Serv
11492     1123        109          32   Cable One 
 6478     1115        322         140   AT&T Worldnet Services 
 6197     1026        626         523   BellSouth Network Solutions, 
18566     1019        288           9   Covad Communications 
  174      968       6778         858   Cogent Communications
  701      930       6559         709   UUNET Technologies, Inc. 
 7011      906        259         544   Citizens Utilities 
20115      807        742         431   Charter Communications 
 1239      788       2716         558   Sprint 
19262      763       2721         182   Verizon Global Networks 
22773      753       2148          49   Cox Communications, Inc.
  209      738       3853         585   Qwest 
  577      704        813         206   Bell Advanced Communications 
 5668      629        171          24   CenturyTel Internet Holdings,
  852      589       1094         367   Telus Advanced Communications
 6517      577        161          37   Yipes Communications, Inc. 
 6198      576        716         256   BellSouth Network Solutions, 

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

  ASN   No of nets  Net Savings Description
 4755      1323        1253      Videsh Sanchar Nigam Ltd. Aut
11492      1123        1091      Cable One 
 4134      1345        1057      CHINANET-BACKBONE
18566      1019        1010      Covad Communications 
 6478      1115         975      AT&T Worldnet Services 
 4323      1330         959      Time Warner Telecom
 9498       995         926      BHARTI BT INTERNET LTD.
 9394       839         832      CHINA RAILWAY Internet(CRNET)
 9583      1123         721      Sify Limited
22773       753         704      Cox Communications, Inc.
 8151       910         701      UniNet S.A. de C.V. 
17488       751         694      Hathway IP Over Cable Interne
 5668       629         605      CenturyTel Internet Holdings,
 7545       697         584      TPG Internet Pty Ltd
19262       763         581      Verizon Global Networks 
18101       592         547      Reliance Infocom Ltd Internet
 6517       577         540      Yipes Communications, Inc. 
15270       568         530      PaeTec.net -a division of Pae
19916       568         517      OLM LLC 
 6197      1026         503      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
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
24410   UNALLOCATED   203.119.30.0/24       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      /12:134     
/13:262     /14:474     /15:925     /16:9630    /17:4134    /18:6679    
/19:14032   /20:16619   /21:15247   /22:19476   /23:20511   /24:122272  
/25:1061    /26:1382    /27:586     /28:263     /29:182     /30:292     
/31:5       /32:85      

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

  ASN   No of nets  Total ann.   Description
11492     1115          1123      Cable One 
 6478     1114          1115      AT&T Worldnet Services 
 2119     1011          1123      Telenor Internet Access
18566     1001          1019      Covad Communications 
 9583      965          1123      Sify Limited
23577      916           925      Korea Telecom (ATM-MPLS)
 2386      899          1205      AT&T Data Communications Serv
 7018      819          1496      AT&T WorldNet Services
 7011      804           906      Citizens Utilities 
 6197      784          1026      BellSouth Network Solutions, 
 4755      709          1323      Videsh Sanchar Nigam Ltd. Aut
 9498      663           995      BHARTI BT INTERNET LTD.
 4766      594           797      Korea Telecom (KIX)
17488      574           751      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 4323      560          1330      Time Warner Telecom
 6517      542           577      Yipes Communications, Inc. 
15270      532           568      PaeTec.net -a division of Pae
 4668      502           512      LG-EDS Systems Inc.
18101      497           592      Reliance Infocom Ltd Internet

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

   4:8         7:1         8:86       12:1811     13:1        15:19     
  16:3        17:3        18:12       20:37       24:971      25:1      
  32:174      33:3        38:344      40:60       41:299      43:6      
  44:2        47:4        52:4        55:3        56:3        57:37     
  58:473      59:387      60:350      61:1008     62:997      63:2009   
  64:3280     65:2447     66:3444     67:774      68:629      69:1955   
  70:454      71:115      72:1510     73:2        74:620      75:298    
  76:102      77:278      78:34       80:848      81:835      82:719    
  83:392      84:606      85:867      86:344      87:479      88:283    
  89:965      90:22       91:485      97:6       116:288     117:123    
 121:262     122:576     123:152     124:842     125:980     128:290    
 129:211     130:140     131:363     132:55      133:9       134:199    
 135:34      136:188     137:84      138:148     139:120     140:492    
 141:172     142:397     143:255     144:296     145:46      146:324    
 147:120     148:407     149:145     150:111     151:159     152:91     
 153:122     154:4       155:261     156:156     157:211     158:157    
 159:177     160:108     161:97      162:182     163:180     164:478    
 165:391     166:270     167:295     168:508     169:121     170:392    
 171:22      172:2       189:68      190:950     192:5814    193:3987   
 194:3212    195:2349    196:1059    198:3905    199:3284    200:5085   
 201:1155    202:7470    203:7674    204:3974    205:1982    206:2472   
 207:2938    208:2781    209:3536    210:2456    211:1030    212:1335   
 213:1533    214:413     215:41      216:4000    217:1176    218:371    
 219:388     220:1030    221:418     222:264    

End of report