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



Routing Table Report   00:00 GMT Sun 05 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/2007/08/05

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

BGP routing table entries examined:                              232922
    Prefixes after maximum aggregation:                          119904
    Deaggregation factor:                                          1.94
    Unique aggregates announced to Internet:                     109597
Total ASes present in the Internet Routing Table:                 25935
    Prefixes per ASN:                                              8.98
Origin-only ASes present in the Internet Routing Table:           22504
Origin ASes announcing only one prefix:                           10985
Transit ASes present in the Internet Routing Table:                3431
Transit-only ASes present in the Internet Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                45
    Unregistered ASNs in the Routing Table:                          21
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:                   1743938876
    Equivalent to 103 /8s, 242 /16s and 101 /24s
    Percentage of available address space announced:               47.1
    Percentage of allocated address space announced:               61.6
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      123765

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

Prefixes being announced by APNIC Region ASes:                    55007
    Total APNIC prefixes after maximum aggregation:               20534
    APNIC Deaggregation factor:                                    2.68
Prefixes being announced from the APNIC address blocks:           51830
    Unique aggregates announced from the APNIC address blocks:    20982
APNIC Region origin ASes present in the Internet Routing Table:    3033
    APNIC Prefixes per ASN:                                       17.09
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:                        5.8
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              306227124
    Equivalent to 18 /8s, 64 /16s and 167 /24s
    Percentage of available APNIC address space announced:         75.9

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, 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:                    109571
    Total ARIN prefixes after maximum aggregation:                63024
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            80432
    Unique aggregates announced from the ARIN address blocks:     31535
ARIN Region origin ASes present in the Internet Routing Table:    11751
    ARIN Prefixes per ASN:                                         6.84
ARIN Region origin ASes announcing only one prefix:                4525
ARIN Region transit ASes present in the Internet Routing Table:    1124
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               341506912
    Equivalent to 20 /8s, 90 /16s and 251 /24s
    Percentage of available ARIN address space announced:          75.4

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:                     49526
    Total RIPE prefixes after maximum aggregation:                30906
    RIPE Deaggregation factor:                                     1.60
Prefixes being announced from the RIPE address blocks:            45946
    Unique aggregates announced from the RIPE address blocks:     29215
RIPE Region origin ASes present in the Internet Routing Table:    10035
    RIPE Prefixes per ASN:                                         4.58
RIPE Region origin ASes announcing only one prefix:                5314
RIPE Region transit ASes present in the Internet Routing Table:    1618
Average RIPE Region AS path length visible:                         5.2
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               324024192
    Equivalent to 19 /8s, 80 /16s and 55 /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:                   16063
    Total LACNIC prefixes after maximum aggregation:               4368
    LACNIC Deaggregation factor:                                   3.68
Prefixes being announced from the LACNIC address blocks:          14106
    Unique aggregates announced from the LACNIC address blocks:    7807
LACNIC Region origin ASes present in the Internet Routing Table:    835
    LACNIC Prefixes per ASN:                                      16.89
LACNIC Region origin ASes announcing only one prefix:               265
LACNIC Region transit ASes present in the Internet Routing Table:   145
Average LACNIC Region AS path length visible:                       6.2
    Max LACNIC Region AS path length visible:                        23
Number of LACNIC addresses announced to Internet:              41415680
    Equivalent to 2 /8s, 119 /16s and 244 /24s
    Percentage of available LACNIC address space announced:        61.7

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:                   2710
    Total AfriNIC prefixes after maximum aggregation:              1060
    AfriNIC Deaggregation factor:                                  2.56
Prefixes being announced from the AfriNIC address blocks:          2243
    Unique aggregates announced from the AfriNIC address blocks:   1301
AfriNIC Region origin ASes present in the Internet Routing Table:   202
    AfriNIC Prefixes per ASN:                                     11.10
AfriNIC Region origin ASes announcing only one prefix:               65
AfriNIC Region transit ASes present in the Internet Routing Table:   33
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC addresses announced to Internet:              6379008
    Equivalent to 0 /8s, 97 /16s and 86 /24s
    Percentage of available AfriNIC address space announced:       19.0

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     1370      11013         285   CHINANET-BACKBONE
 4755     1313        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1128        108          15   Sify Limited
 9498     1010        533          70   BHARTI BT INTERNET LTD.
23577      926         34         795   Korea Telecom (ATM-MPLS)
 9394      838       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      795       4930         315   Korea Telecom (KIX)
17488      738         48          58   Hathway IP Over Cable Interne
 7545      700        150         113   TPG Internet Pty Ltd
 1221      596       1951         440   Telstra Pty Ltd
18101      578        117          41   Reliance Infocom Ltd Internet
 4812      530        915          96   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
17676      503      10935          65   Softbank BB Corp.
 7474      491        218         270   SingTel Optus Pty Ltd
 4808      476        767         109   CNCGROUP IP network: China169
 9443      472        122          78   Primus Telecommunications
 9942      440         77         113   COMindico Australia
 4802      415        108         152   Wantree Development
17974      363        130          13   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1132       1079         185   Telenor Internet Access
  702      503       1922         404   UUNET - Commercial IP service
 5089      367       1658          53   NTL Group Limited
24863      360         56          40   LINKdotNET AS number
 9116      321        168          26   Goldenlines main autonomous s
 8551      317        313          46   Bezeq International
 3301      312       1456         292   TeliaNet Sweden
 3320      312       6035         258   Deutsche Telekom AG
 6746      287        130         263   Dynamic Network Technologies,
  680      264       2044         255   DFN-IP service G-WiN
 8220      260        445         242   COLT Telecommunications
 3215      255       2376          96   France Telecom Transpac
 8708      252        420         241   Romania Data Systems S.A.
 3352      224       1864          41   Ibernet, Internet Access Netw
 3269      221       2775          73   TELECOM ITALIA
 9121      210       1441          24   TTnet Autonomous System
 5631      208          7           3   iPcenta European AS
 1257      207       1195         172   SWIPnet Swedish IP Network
 3292      194       1379         174   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     1488      10163        1002   AT&T WorldNet Services
 4323     1321       1020         367   Time Warner Telecom
 2386     1193        598         738   AT&T Data Communications Serv
11492     1116        109          16   Cable One 
 6478     1107        321         127   AT&T Worldnet Services 
 6197     1031        744         497   BellSouth Network Solutions, 
18566     1018        288           9   Covad Communications 
  174      954       6711         843   Cogent Communications
  701      936       6562         713   UUNET Technologies, Inc. 
 7011      904        259         545   Citizens Utilities 
20115      805        740         430   Charter Communications 
 1239      804       2717         571   Sprint 
19262      764       2748         183   Verizon Global Networks 
22773      751       2148          49   Cox Communications, Inc.
  209      727       3838         572   Qwest 
  577      679        811         206   Bell Advanced Communications 
 5668      626        171          23   CenturyTel Internet Holdings,
  852      586       1077         363   Telus Advanced Communications
 6517      578        161          38   Yipes Communications, Inc. 
 6198      572        614         261   BellSouth Network Solutions, 

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

  ASN   No of nets  Net Savings Description
 4755      1313        1243      Videsh Sanchar Nigam Ltd. Aut
 9583      1128        1113      Sify Limited
11492      1116        1100      Cable One 
 4134      1370        1085      CHINANET-BACKBONE
18566      1018        1009      Covad Communications 
 6478      1107         980      AT&T Worldnet Services 
 4323      1321         954      Time Warner Telecom
 2119      1132         947      Telenor Internet Access
 9498      1010         940      BHARTI BT INTERNET LTD.
 9394       838         831      CHINA RAILWAY Internet(CRNET)
22773       751         702      Cox Communications, Inc.
17488       738         680      Hathway IP Over Cable Interne
 8151       869         675      UniNet S.A. de C.V. 
 5668       626         603      CenturyTel Internet Holdings,
 7545       700         587      TPG Internet Pty Ltd
19262       764         581      Verizon Global Networks 
 6517       578         540      Yipes Communications, Inc. 
18101       578         537      Reliance Infocom Ltd Internet
 6197      1031         534      BellSouth Network Solutions, 
15270       565         528      PaeTec.net -a division of Pae

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
65535   PRIVATE       193.203.218.0/23     38931       Traffic-Media
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
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
65106   PRIVATE       212.38.80.0/22        8851       Inweb Networks UK-AS
65106   PRIVATE       213.210.16.0/24       8851       Inweb Networks UK-AS
65106   PRIVATE       213.210.18.0/24       8851       Inweb Networks UK-AS
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.
192.44.0.0/24         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      /12:130     
/13:261     /14:470     /15:913     /16:9614    /17:4119    /18:6679    
/19:14004   /20:16562   /21:15168   /22:19383   /23:20410   /24:121115  
/25:1053    /26:1382    /27:611     /28:308     /29:228     /30:338     
/31:0       /32:96      

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

  ASN   No of nets  Total ann.   Description
11492     1107          1116      Cable One 
 6478     1106          1107      AT&T Worldnet Services 
 2119     1012          1132      Telenor Internet Access
18566     1000          1018      Covad Communications 
 9583      963          1128      Sify Limited
23577      917           926      Korea Telecom (ATM-MPLS)
 2386      887          1193      AT&T Data Communications Serv
 7018      814          1488      AT&T WorldNet Services
 7011      802           904      Citizens Utilities 
 6197      783          1031      BellSouth Network Solutions, 
 4755      702          1313      Videsh Sanchar Nigam Ltd. Aut
 9498      678          1010      BHARTI BT INTERNET LTD.
 4766      594           795      Korea Telecom (KIX)
19916      563           568      OLM LLC 
17488      561           738      Hathway IP Over Cable Interne
 4323      556          1321      Time Warner Telecom
 6517      542           578      Yipes Communications, Inc. 
15270      530           565      PaeTec.net -a division of Pae
 4668      502           512      LG-EDS Systems Inc.
 5668      491           626      CenturyTel Internet Holdings,

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

   4:8         7:1         8:84        9:1        12:1803     15:19     
  16:3        17:3        18:12       20:37       24:944      25:1      
  32:174      33:3        38:343      40:60       41:238      43:6      
  44:2        47:4        52:4        55:3        56:3        57:48     
  58:474      59:383      60:348      61:1012     62:940      63:2004   
  64:3162     65:2409     66:3338     67:768      68:632      69:1937   
  70:455      71:113      72:1382     73:2        74:600      75:297    
  76:89       77:272      78:29       80:847      81:835      82:735    
  83:380      84:562      85:865      86:340      87:456      88:288    
  89:956      90:13       91:452      97:6        98:2       116:276    
 117:90      121:254     122:580     123:139     124:874     125:971    
 128:292     129:213     130:140     131:363     132:54      133:9      
 134:198     135:39      136:183     137:85      138:149     139:122    
 140:489     141:172     142:397     143:236     144:288     145:46     
 146:325     147:120     148:401     149:146     150:111     151:160    
 152:92      153:122     154:3       155:257     156:157     157:213    
 158:158     159:166     160:98      161:98      162:186     163:180    
 164:475     165:396     166:267     167:294     168:505     169:121    
 170:412     171:22      172:1       189:71      190:914     192:5823   
 193:3968    194:3204    195:2325    196:1023    198:3895    199:3284   
 200:5042    201:1156    202:7479    203:7620    204:3983    205:1963   
 206:2472    207:2921    208:2752    209:3508    210:2431    211:1013   
 212:1310    213:1520    214:414     215:40      216:4010    217:1168   
 218:374     219:391     220:1024    221:418     222:267    

End of report