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



Routing Table Report   00:00 GMT Sat 04 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/2007/08/04

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

BGP routing table entries examined:                              231047
    Prefixes after maximum aggregation:                          119211
    Deaggregation factor:                                          1.94
    Unique aggregates announced to Internet:                     109681
Total ASes present in the Internet Routing Table:                 25598
    Prefixes per ASN:                                              9.03
Origin-only ASes present in the Internet Routing Table:           22201
Origin ASes announcing only one prefix:                           10820
Transit ASes present in the Internet Routing Table:                3397
Transit-only ASes present in the Internet Routing Table:             93
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      25
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                46
    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:             10
Number of addresses announced to Internet:                   1736932924
    Equivalent to 103 /8s, 135 /16s and 126 /24s
    Percentage of available address space announced:               46.9
    Percentage of allocated address space announced:               61.4
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      122296

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

Prefixes being announced by APNIC Region ASes:                    54945
    Total APNIC prefixes after maximum aggregation:               20914
    APNIC Deaggregation factor:                                    2.63
Prefixes being announced from the APNIC address blocks:           51766
    Unique aggregates announced from the APNIC address blocks:    22060
APNIC Region origin ASes present in the Internet Routing Table:    3027
    APNIC Prefixes per ASN:                                       17.10
APNIC Region origin ASes announcing only one prefix:                807
APNIC Region transit ASes present in the Internet Routing Table:    472
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         25
Number of APNIC addresses announced to Internet:              306115508
    Equivalent to 18 /8s, 62 /16s and 243 /24s
    Percentage of available APNIC address space announced:         75.8

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:                    109640
    Total ARIN prefixes after maximum aggregation:                63037
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            80454
    Unique aggregates announced from the ARIN address blocks:     31536
ARIN Region origin ASes present in the Internet Routing Table:    11729
    ARIN Prefixes per ASN:                                         6.86
ARIN Region origin ASes announcing only one prefix:                4510
ARIN Region transit ASes present in the Internet Routing Table:    1124
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          21
Number of ARIN addresses announced to Internet:               341511008
    Equivalent to 20 /8s, 91 /16s and 11 /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:                     47657
    Total RIPE prefixes after maximum aggregation:                29832
    RIPE Deaggregation factor:                                     1.60
Prefixes being announced from the RIPE address blocks:            44195
    Unique aggregates announced from the RIPE address blocks:     28289
RIPE Region origin ASes present in the Internet Routing Table:     9709
    RIPE Prefixes per ASN:                                         4.55
RIPE Region origin ASes announcing only one prefix:                5167
RIPE Region transit ASes present in the Internet Routing Table:    1573
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               320219776
    Equivalent to 19 /8s, 22 /16s and 42 /24s
    Percentage of available RIPE address space announced:          73.4

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:                   16046
    Total LACNIC prefixes after maximum aggregation:               4354
    LACNIC Deaggregation factor:                                   3.69
Prefixes being announced from the LACNIC address blocks:          14103
    Unique aggregates announced from the LACNIC address blocks:    7805
LACNIC Region origin ASes present in the Internet Routing Table:    837
    LACNIC Prefixes per ASN:                                      16.85
LACNIC Region origin ASes announcing only one prefix:               270
LACNIC Region transit ASes present in the Internet Routing Table:   143
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              41384960
    Equivalent to 2 /8s, 119 /16s and 124 /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:                   2713
    Total AfriNIC prefixes after maximum aggregation:              1062
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          2237
    Unique aggregates announced from the AfriNIC address blocks:   1297
AfriNIC Region origin ASes present in the Internet Routing Table:   202
    AfriNIC Prefixes per ASN:                                     11.07
AfriNIC Region origin ASes announcing only one prefix:               66
AfriNIC Region transit ASes present in the Internet Routing Table:   33
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              6377984
    Equivalent to 0 /8s, 97 /16s and 82 /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     1369      11014         286   CHINANET-BACKBONE
 4755     1313        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1120         80         400   Sify Limited
 9498     1009        533          69   BHARTI BT INTERNET LTD.
23577      919         34         791   Korea Telecom (ATM-MPLS)
 9394      840       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      796       4930         316   Korea Telecom (KIX)
17488      738         48          58   Hathway IP Over Cable Interne
 7545      696        146         117   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      504      10935          65   Softbank BB Corp.
 7474      488        218         269   SingTel Optus Pty Ltd
 4808      480        770         111   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      368       1658          53   NTL Group Limited
24863      361         56          41   LINKdotNET AS number
 9116      323        168          26   Goldenlines main autonomous s
 8551      317        313          46   Bezeq International
 3320      314       6035         259   Deutsche Telekom AG
 3301      312       1456         292   TeliaNet Sweden
 6746      287        130         263   Dynamic Network Technologies,
  680      264       2044         255   DFN-IP service G-WiN
 8220      259        444         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      222       2775          74   TELECOM ITALIA
 9121      211       1442          25   TTnet Autonomous System
 5631      208          7           3   iPcenta European AS
 1257      207       1195         172   SWIPnet Swedish IP Network
 3300      195        172          94   AUCS Communications Services 
 3292      194       1379         174   TDC Tele Danmark

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1471       6066         994   AT&T WorldNet Services
 4323     1323       1020         370   Time Warner Telecom
 2386     1196        614         741   AT&T Data Communications Serv
11492     1116        109          16   Cable One 
 6478     1107        321         127   AT&T Worldnet Services 
 6197     1027        717         508   BellSouth Network Solutions, 
18566     1017        288           9   Covad Communications 
  174      965       6776         854   Cogent Communications
  701      941       6546         718   UUNET Technologies, Inc. 
 7011      904        259         545   Citizens Utilities 
 1239      808       2742         574   Sprint 
20115      806        740         431   Charter Communications 
19262      768       2765         187   Verizon Global Networks 
  209      749       3870         594   Qwest 
22773      749       2148          49   Cox Communications, Inc.
  577      678        811         205   Bell Advanced Communications 
 5668      627        171          23   CenturyTel Internet Holdings,
  852      588       1093         365   Telus Advanced Communications
 6517      577        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      1313        1243      Videsh Sanchar Nigam Ltd. Aut
11492      1116        1100      Cable One 
 4134      1369        1083      CHINANET-BACKBONE
18566      1017        1008      Covad Communications 
 6478      1107         980      AT&T Worldnet Services 
 4323      1323         953      Time Warner Telecom
 2119      1132         947      Telenor Internet Access
 9498      1009         940      BHARTI BT INTERNET LTD.
 9394       840         833      CHINA RAILWAY Internet(CRNET)
 9583      1120         720      Sify Limited
22773       749         700      Cox Communications, Inc.
 8151       895         688      UniNet S.A. de C.V. 
17488       738         680      Hathway IP Over Cable Interne
 5668       627         604      CenturyTel Internet Holdings,
19262       768         581      Verizon Global Networks 
 7545       696         579      TPG Internet Pty Ltd
 6517       577         539      Yipes Communications, Inc. 
18101       578         537      Reliance Infocom Ltd Internet
15270       565         528      PaeTec.net -a division of Pae
 6197      1027         519      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.
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
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 
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           812     Rogers WAVE 

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        /8:18       /9:9       /10:15      /11:36      /12:130     
/13:261     /14:470     /15:906     /16:9545    /17:4103    /18:6658    
/19:13932   /20:16516   /21:15073   /22:19211   /23:20152   /24:120006  
/25:1052    /26:1380    /27:609     /28:306     /29:228     /30:335     
/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      999          1017      Covad Communications 
 9583      963          1120      Sify Limited
23577      910           919      Korea Telecom (ATM-MPLS)
 2386      888          1196      AT&T Data Communications Serv
 7018      807          1471      AT&T WorldNet Services
 7011      802           904      Citizens Utilities 
 6197      781          1027      BellSouth Network Solutions, 
 4755      702          1313      Videsh Sanchar Nigam Ltd. Aut
 9498      678          1009      BHARTI BT INTERNET LTD.
 4766      595           796      Korea Telecom (KIX)
19916      563           568      OLM LLC 
17488      561           738      Hathway IP Over Cable Interne
 4323      556          1323      Time Warner Telecom
 6517      541           577      Yipes Communications, Inc. 
15270      530           565      PaeTec.net -a division of Pae
 4668      502           512      LG-EDS Systems Inc.
 5668      492           627      CenturyTel Internet Holdings,

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

   4:8         7:1         8:84        9:1        12:1806     15:19     
  16:3        17:3        18:12       20:37       24:943      25:1      
  32:174      33:3        38:343      40:60       41:237      43:6      
  44:2        47:4        52:4        55:3        56:3        57:48     
  58:468      59:383      60:348      61:1014     62:943      63:2002   
  64:3161     65:2406     66:3338     67:771      68:632      69:1942   
  70:455      71:114      72:1382     73:2        74:599      75:297    
  76:89       77:266      78:27       80:818      81:796      82:726    
  83:353      84:533      85:770      86:288      87:399      88:285    
  89:794      90:13       91:389      97:6        98:4       116:279    
 117:90      121:255     122:580     123:141     124:873     125:971    
 128:291     129:213     130:140     131:363     132:54      133:9      
 134:193     135:39      136:183     137:85      138:149     139:122    
 140:492     141:172     142:397     143:236     144:284     145:46     
 146:325     147:120     148:400     149:146     150:111     151:160    
 152:92      153:109     154:3       155:257     156:157     157:213    
 158:158     159:165     160:108     161:98      162:218     163:182    
 164:475     165:397     166:285     167:294     168:507     169:121    
 170:409     171:22      172:1       189:70      190:914     192:5790   
 193:3748    194:3107    195:2221    196:1018    198:3890    199:3291   
 200:5043    201:1154    202:7443    203:7612    204:3982    205:1965   
 206:2473    207:2921    208:2756    209:3509    210:2425    211:1008   
 212:1284    213:1494    214:414     215:40      216:4011    217:1143   
 218:373     219:389     220:1024    221:419     222:267    

End of report