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



Routing Table Report   00:00 GMT Sat 18 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/2007/08/18

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

BGP routing table entries examined:                              234378
    Prefixes after maximum aggregation:                          121262
    Deaggregation factor:                                          1.93
    Unique aggregates announced to Internet:                     111392
Total ASes present in the Internet Routing Table:                 26044
    Prefixes per ASN:                                              9.00
Origin-only ASes present in the Internet Routing Table:           22560
Origin ASes announcing only one prefix:                           11026
Transit ASes present in the Internet Routing Table:                3484
Transit-only ASes present in the Internet Routing Table:             82
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                37
    Unregistered ASNs in the Routing Table:                          18
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:                   1750317124
    Equivalent to 104 /8s, 83 /16s and 184 /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:      125026

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

Prefixes being announced by APNIC Region ASes:                    55164
    Total APNIC prefixes after maximum aggregation:               21012
    APNIC Deaggregation factor:                                    2.63
Prefixes being announced from the APNIC address blocks:           51989
    Unique aggregates announced from the APNIC address blocks:    22235
APNIC Region origin ASes present in the Internet Routing Table:    3037
    APNIC Prefixes per ASN:                                       17.12
APNIC Region origin ASes announcing only one prefix:                816
APNIC Region transit ASes present in the Internet Routing Table:    471
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         22
Number of APNIC addresses announced to Internet:              309937332
    Equivalent to 18 /8s, 121 /16s and 68 /24s
    Percentage of available APNIC address space announced:         76.8

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:                    110348
    Total ARIN prefixes after maximum aggregation:                63260
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            81036
    Unique aggregates announced from the ARIN address blocks:     31868
ARIN Region origin ASes present in the Internet Routing Table:    11766
    ARIN Prefixes per ASN:                                         6.89
ARIN Region origin ASes announcing only one prefix:                4511
ARIN Region transit ASes present in the Internet Routing Table:    1156
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               342441824
    Equivalent to 20 /8s, 105 /16s and 63 /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:                     49744
    Total RIPE prefixes after maximum aggregation:                31515
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            46204
    Unique aggregates announced from the RIPE address blocks:     29378
RIPE Region origin ASes present in the Internet Routing Table:    10105
    RIPE Prefixes per ASN:                                         4.57
RIPE Region origin ASes announcing only one prefix:                5356
RIPE Region transit ASes present in the Internet Routing Table:    1634
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               324404224
    Equivalent to 19 /8s, 86 /16s and 4 /24s
    Percentage of available RIPE address space announced:          74.4

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:                   16265
    Total LACNIC prefixes after maximum aggregation:               4391
    LACNIC Deaggregation factor:                                   3.70
Prefixes being announced from the LACNIC address blocks:          14368
    Unique aggregates announced from the LACNIC address blocks:    7705
LACNIC Region origin ASes present in the Internet Routing Table:    847
    LACNIC Prefixes per ASN:                                      16.96
LACNIC Region origin ASes announcing only one prefix:               275
LACNIC Region transit ASes present in the Internet Routing Table:   145
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC addresses announced to Internet:              41991936
    Equivalent to 2 /8s, 128 /16s and 191 /24s
    Percentage of available LACNIC address space announced:        62.6

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:                   2816
    Total AfriNIC prefixes after maximum aggregation:              1072
    AfriNIC Deaggregation factor:                                  2.63
Prefixes being announced from the AfriNIC address blocks:          2324
    Unique aggregates announced from the AfriNIC address blocks:   1357
AfriNIC Region origin ASes present in the Internet Routing Table:   206
    AfriNIC Prefixes per ASN:                                     11.28
AfriNIC Region origin ASes announcing only one prefix:               68
AfriNIC Region transit ASes present in the Internet Routing Table:   30
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              7386368
    Equivalent to 0 /8s, 112 /16s and 181 /24s
    Percentage of available AfriNIC address space announced:       22.0

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     1346      11140         287   CHINANET-BACKBONE
 4755     1325        382          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1122         80         401   Sify Limited
 9498      998        533          68   BHARTI BT INTERNET LTD.
23577      922         34         792   Korea Telecom (ATM-MPLS)
 9394      842       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      797       5440         315   Korea Telecom (KIX)
17488      759         49          56   Hathway IP Over Cable Interne
 7545      642        150         116   TPG Internet Pty Ltd
 1221      595       1951         439   Telstra Pty Ltd
18101      588        118          45   Reliance Infocom Ltd Internet
 4812      543        979          98   China Telecom (Shanghai)
 4668      516         68          10   LG-EDS Systems Inc.
17676      503      10919          64   Softbank BB Corp.
 4808      487        783         111   CNCGROUP IP network: China169
 9443      474        122          78   Primus Telecommunications
 7474      472        217         270   SingTel Optus Pty Ltd
 9942      441         77         114   COMindico Australia
 4802      429        116         153   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     1124        949         685   Telenor Internet Access
  702      503       1922         404   UUNET - Commercial IP service
 5089      369       1658          54   NTL Group Limited
24863      361         56          40   LINKdotNET AS number
 9116      338        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      265       2061         256   DFN-IP service G-WiN
 8220      261        445         243   COLT Telecommunications
 8708      260        420         241   Romania Data Systems S.A.
 3215      256       2392          97   France Telecom Transpac
 3352      225       1868          38   Ibernet, Internet Access Netw
 3269      221       2775          73   TELECOM ITALIA
 9121      210       1441          24   TTnet Autonomous System
 1257      205       1195         170   SWIPnet Swedish IP Network
 3300      202        172          96   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     1477       6052         990   AT&T WorldNet Services
 4323     1331       1007         373   Time Warner Telecom
 2386     1214        617         749   AT&T Data Communications Serv
11492     1125        109          32   Cable One 
 6478     1116        322         140   AT&T Worldnet Services 
 6197     1025        626         522   BellSouth Network Solutions, 
18566     1019        288           9   Covad Communications 
  174      971       6780         860   Cogent Communications
  701      930       6560         712   UUNET Technologies, Inc. 
 7011      912        261         549   Citizens Utilities 
20115      802        741         434   Charter Communications 
 1239      782       2698         553   Sprint 
19262      763       2721         182   Verizon Global Networks 
22773      753       2148          49   Cox Communications, Inc.
  209      732       3819         581   Qwest 
  577      701        813         203   Bell Advanced Communications 
 5668      628        171          24   CenturyTel Internet Holdings,
  852      590       1096         364   Telus Advanced Communications
 6517      583        161          38   Yipes Communications, Inc. 
 6198      576        716         256   BellSouth Network Solutions, 

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

  ASN   No of nets  Net Savings Description
 4755      1325        1254      Videsh Sanchar Nigam Ltd. Aut
11492      1125        1093      Cable One 
 4134      1346        1059      CHINANET-BACKBONE
18566      1019        1010      Covad Communications 
 6478      1116         976      AT&T Worldnet Services 
 4323      1331         958      Time Warner Telecom
 9498       998         930      BHARTI BT INTERNET LTD.
 9394       842         835      CHINA RAILWAY Internet(CRNET)
 9583      1122         721      Sify Limited
 8151       921         716      UniNet S.A. de C.V. 
22773       753         704      Cox Communications, Inc.
17488       759         703      Hathway IP Over Cable Interne
 5668       628         604      CenturyTel Internet Holdings,
19262       763         581      Verizon Global Networks 
 6517       583         545      Yipes Communications, Inc. 
18101       588         543      Reliance Infocom Ltd Internet
15270       567         529      PaeTec.net -a division of Pae
 7545       642         526      TPG Internet Pty Ltd
19916       568         517      OLM LLC 
 4668       516         506      LG-EDS Systems Inc.

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   64.71.29.0/24        33544       WiLine Networks Inc.
65108   PRIVATE       84.234.80.0/20       43379       *
65038   PRIVATE       88.213.141.0/24      34695       E4A Primary AS
65038   PRIVATE       88.213.155.0/24      34695       E4A Primary AS
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
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     /14:473     /15:929     /16:9592    /17:4140    /18:6690    
/19:14052   /20:16611   /21:15296   /22:19491   /23:20571   /24:122200  
/25:1062    /26:1376    /27:589     /28:260     /29:193     /30:289     
/31:5       /32:85      

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

  ASN   No of nets  Total ann.   Description
11492     1117          1125      Cable One 
 6478     1115          1116      AT&T Worldnet Services 
 2119     1011          1124      Telenor Internet Access
18566     1001          1019      Covad Communications 
 9583      965          1122      Sify Limited
23577      913           922      Korea Telecom (ATM-MPLS)
 2386      906          1214      AT&T Data Communications Serv
 7018      811          1477      AT&T WorldNet Services
 7011      809           912      Citizens Utilities 
 6197      783          1025      BellSouth Network Solutions, 
 4755      710          1325      Videsh Sanchar Nigam Ltd. Aut
 9498      667           998      BHARTI BT INTERNET LTD.
 4766      594           797      Korea Telecom (KIX)
17488      582           759      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 4323      561          1331      Time Warner Telecom
 6517      547           583      Yipes Communications, Inc. 
15270      531           567      PaeTec.net -a division of Pae
 4668      506           516      LG-EDS Systems Inc.
18101      498           588      Reliance Infocom Ltd Internet

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

   4:8         7:1         8:86       12:1809     13:1        15:19     
  16:3        17:3        18:13       20:37       24:973      25:1      
  32:173      33:3        38:345      40:60       41:306      43:6      
  44:2        47:4        52:4        55:3        56:3        57:46     
  58:475      59:388      60:358      61:1015     62:1000     63:2011   
  64:3224     65:2418     66:3422     67:781      68:650      69:1952   
  70:452      71:115      72:1388     73:2        74:630      75:300    
  76:126      77:283      78:37       80:847      81:837      82:718    
  83:390      84:597      85:869      86:343      87:484      88:286    
  89:970      90:22       91:489      97:6       116:289     117:134    
 121:263     122:596     123:155     124:842     125:981     126:1      
 128:287     129:215     130:140     131:363     132:53      133:9      
 134:195     135:34      136:177     137:85      138:149     139:121    
 140:483     141:173     142:397     143:256     144:300     145:46     
 146:325     147:120     148:411     149:144     150:111     151:159    
 152:91      153:122     154:4       155:261     156:160     157:215    
 158:158     159:171     160:111     161:97      162:187     163:177    
 164:482     165:392     166:275     167:295     168:513     169:121    
 170:394     171:22      172:2       189:69      190:973     192:5795   
 193:3984    194:3214    195:2346    196:1034    198:3903    199:3280   
 200:5094    201:1146    202:7457    203:7658    204:3992    205:1994   
 206:2482    207:2933    208:2788    209:3507    210:2461    211:1025   
 212:1357    213:1532    214:412     215:41      216:4028    217:1180   
 218:373     219:386     220:1015    221:418     222:265    

End of report