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



Routing Table Report   00:00 GMT Wed 05 Sep, 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/2007/09/05

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

BGP routing table entries examined:                              235674
    Prefixes after maximum aggregation:                          120636
    Deaggregation factor:                                          1.95
    Unique aggregates announced to Internet:                     111008
Total ASes present in the Internet Routing Table:                 26166
    Prefixes per ASN:                                              9.01
Origin-only ASes present in the Internet Routing Table:           22640
Origin ASes announcing only one prefix:                           11029
Transit ASes present in the Internet Routing Table:                3526
Transit-only ASes present in the Internet Routing Table:             91
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (16327)                               25
Prefixes from unregistered ASNs in the Routing Table:                34
    Unregistered ASNs in the Routing Table:                          21
Prefixes from 32-bit ASNs in the Routing Table:                       7
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1757832596
    Equivalent to 104 /8s, 198 /16s and 101 /24s
    Percentage of available address space announced:               47.4
    Percentage of allocated address space announced:               62.1
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      125340

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

Prefixes being announced by APNIC Region ASes:                    56171
    Total APNIC prefixes after maximum aggregation:               20650
    APNIC Deaggregation factor:                                    2.72
Prefixes being announced from the APNIC address blocks:           53010
    Unique aggregates announced from the APNIC address blocks:    21454
APNIC Region origin ASes present in the Internet Routing Table:    3057
    APNIC Prefixes per ASN:                                       17.34
APNIC Region origin ASes announcing only one prefix:                805
APNIC Region transit ASes present in the Internet Routing Table:    469
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         29
Number of APNIC addresses announced to Internet:              313670084
    Equivalent to 18 /8s, 178 /16s and 57 /24s
    Percentage of available APNIC address space announced:         77.7

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:                    110818
    Total ARIN prefixes after maximum aggregation:                63382
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:            81428
    Unique aggregates announced from the ARIN address blocks:     31892
ARIN Region origin ASes present in the Internet Routing Table:    11785
    ARIN Prefixes per ASN:                                         6.91
ARIN Region origin ASes announcing only one prefix:                4486
ARIN Region transit ASes present in the Internet Routing Table:    1148
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          22
Number of ARIN addresses announced to Internet:               343209312
    Equivalent to 20 /8s, 116 /16s and 245 /24s
    Percentage of available ARIN address space announced:          75.8

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:                     49129
    Total RIPE prefixes after maximum aggregation:                31086
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            45574
    Unique aggregates announced from the RIPE address blocks:     29611
RIPE Region origin ASes present in the Internet Routing Table:    10162
    RIPE Prefixes per ASN:                                         4.48
RIPE Region origin ASes announcing only one prefix:                5390
RIPE Region transit ASes present in the Internet Routing Table:    1661
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          31
Number of RIPE addresses announced to Internet:               326614080
    Equivalent to 19 /8s, 119 /16s and 188 /24s
    Percentage of available RIPE address space announced:          74.9

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:                   16680
    Total LACNIC prefixes after maximum aggregation:               4453
    LACNIC Deaggregation factor:                                   3.75
Prefixes being announced from the LACNIC address blocks:          14756
    Unique aggregates announced from the LACNIC address blocks:    7813
LACNIC Region origin ASes present in the Internet Routing Table:    863
    LACNIC Prefixes per ASN:                                      17.10
LACNIC Region origin ASes announcing only one prefix:               279
LACNIC Region transit ASes present in the Internet Routing Table:   148
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC addresses announced to Internet:              42158848
    Equivalent to 2 /8s, 131 /16s and 75 /24s
    Percentage of available LACNIC address space announced:        62.8

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:                   2836
    Total AfriNIC prefixes after maximum aggregation:              1051
    AfriNIC Deaggregation factor:                                  2.70
Prefixes being announced from the AfriNIC address blocks:          2368
    Unique aggregates announced from the AfriNIC address blocks:   1339
AfriNIC Region origin ASes present in the Internet Routing Table:   207
    AfriNIC Prefixes per ASN:                                     11.44
AfriNIC Region origin ASes announcing only one prefix:               69
AfriNIC Region transit ASes present in the Internet Routing Table:   34
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC addresses announced to Internet:              7470592
    Equivalent to 0 /8s, 113 /16s and 254 /24s
    Percentage of available AfriNIC address space announced:       22.3

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
 4538     1938       2974          36   China Education and Research 
 4755     1343        383          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1133        108          15   Sify Limited
 4134     1076      11228         293   CHINANET-BACKBONE
 9498      998        532          64   BHARTI BT INTERNET LTD.
23577      926         34         794   Korea Telecom (ATM-MPLS)
 4766      806       5441         320   Korea Telecom (KIX)
17488      795         52          61   Hathway IP Over Cable Interne
 7545      730        159         119   TPG Internet Pty Ltd
18101      595        119          51   Reliance Infocom Ltd Internet
 1221      592       1951         437   Telstra Pty Ltd
 4812      547        968          96   China Telecom (Shanghai)
 4668      516         68          10   LG-EDS Systems Inc.
17676      503      10919          64   Softbank BB Corp.
 4808      481        778         114   CNCGROUP IP network: China169
 9443      469        122          78   Primus Telecommunications
 7474      456        216         268   SingTel Optus Pty Ltd
 4802      441        117         154   Wantree Development
 9942      437         74         110   COMindico Australia
17974      378        130          13   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      491       1907         393   UUNET - Commercial IP service
24863      366         57          39   LINKdotNET AS number
 9116      353        168          26   Goldenlines main autonomous s
 8551      334        326          24   Bezeq International
 5089      325       1658          54   NTL Group Limited
 3301      315       1456         295   TeliaNet Sweden
 3320      314       6035         261   Deutsche Telekom AG
 6746      288        130         264   Dynamic Network Technologies,
 1273      285        306         105   Cable & Wireless Deutschland 
  680      269       2045         257   DFN-IP service G-WiN
 8708      262        420         241   Romania Data Systems S.A.
 8220      261        441         243   COLT Telecommunications
 3215      258       2424          98   France Telecom Transpac
 3352      227       1868          38   Ibernet, Internet Access Netw
 3269      223       2839          73   TELECOM ITALIA
 9121      214       1441          24   TTnet Autonomous System
 1257      203       1195         168   SWIPnet Swedish IP Network
 3300      202        172          96   AUCS Communications Services 
 3292      195       1379         175   TDC Tele Danmark
 2856      194       2317         154   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1477      10161         988   AT&T WorldNet Services
 4323     1319        991         372   Time Warner Telecom
 2386     1215        618         748   AT&T Data Communications Serv
11492     1137        110          11   Cable One 
 6478     1134        325         169   AT&T Worldnet Services 
 6197     1030        718         508   BellSouth Network Solutions, 
18566     1023        288           9   Covad Communications 
  174      974       6780         862   Cogent Communications
  701      935       6577         713   UUNET Technologies, Inc. 
 7011      919        278         549   Citizens Utilities 
20115      817        751         436   Charter Communications 
 1239      801       2711         562   Sprint 
19262      767       2744         176   Verizon Global Networks 
22773      763       2149          50   Cox Communications, Inc.
  209      742       3837         587   Qwest 
  577      706        813         202   Bell Advanced Communications 
 5668      657        176          23   CenturyTel Internet Holdings,
 6517      595        165          37   Yipes Communications, Inc. 
 3356      591      10811         342   Level 3 Communications, LLC 
  852      588       1095         362   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1343        1272      Videsh Sanchar Nigam Ltd. Aut
11492      1137        1126      Cable One 
 9583      1133        1118      Sify Limited
18566      1023        1014      Covad Communications 
 6478      1134         965      AT&T Worldnet Services 
 4323      1319         947      Time Warner Telecom
 9498       998         934      BHARTI BT INTERNET LTD.
 4134      1076         783      CHINANET-BACKBONE
17488       795         734      Hathway IP Over Cable Interne
22773       763         713      Cox Communications, Inc.
 8151       902         697      UniNet S.A. de C.V. 
 5668       657         634      CenturyTel Internet Holdings,
 7545       730         611      TPG Internet Pty Ltd
19262       767         591      Verizon Global Networks 
 6517       595         558      Yipes Communications, Inc. 
18101       595         544      Reliance Infocom Ltd Internet
15270       574         536      PaeTec.net -a division of Pae
 6197      1030         522      BellSouth Network Solutions, 
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
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65016   PRIVATE       155.248.0.0/16        5483       Hungarian Telecom
65100   PRIVATE       193.253.152.0/24      3215       France Telecom Trans
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
64501   RESERVED      195.189.160.0/24     35041       Crystone Autonomous 
65517   PRIVATE       198.32.176.0/24        293       Energy Sciences Netw
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      /11:37      /12:134     
/13:265     /14:475     /15:929     /16:9687    /17:4162    /18:6690    
/19:14119   /20:16713   /21:15188   /22:19590   /23:20512   /24:123687  
/25:883     /26:1147    /27:592     /28:264     /29:189     /30:277     
/31:6       /32:86      

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

  ASN   No of nets  Total ann.   Description
 6478     1133          1134      AT&T Worldnet Services 
11492     1129          1137      Cable One 
18566     1005          1023      Covad Communications 
 9583      968          1133      Sify Limited
23577      917           926      Korea Telecom (ATM-MPLS)
 2386      907          1215      AT&T Data Communications Serv
 4538      904          1938      China Education and Research 
 7018      815          1477      AT&T WorldNet Services
 7011      813           919      Citizens Utilities 
 6197      783          1030      BellSouth Network Solutions, 
 4755      727          1343      Videsh Sanchar Nigam Ltd. Aut
 9498      670           998      BHARTI BT INTERNET LTD.
17488      618           795      Hathway IP Over Cable Interne
 4766      604           806      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 6517      561           595      Yipes Communications, Inc. 
 4323      553          1319      Time Warner Telecom
15270      538           574      PaeTec.net -a division of Pae
 5668      522           657      CenturyTel Internet Holdings,
 4668      506           516      LG-EDS Systems Inc.

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

   4:8         7:1         8:87       12:1824     13:2        15:19     
  16:3        17:3        18:13       20:36       24:985      25:1      
  32:173      33:3        38:345      40:60       41:320      43:6      
  44:2        47:4        52:4        55:3        56:3        57:42     
  58:500      59:398      60:369      61:1025     62:998      63:2013   
  64:3216     65:2428     66:3410     67:811      68:661      69:1983   
  70:465      71:116      72:1414     73:2        74:645      75:307    
  76:128      77:329      78:49       79:3        80:850      81:826    
  82:599      83:393      84:618      85:808      86:343      87:488    
  88:285      89:973      90:24       91:534      97:6       116:312    
 117:173     118:17      121:274     122:593     123:172     124:671    
 125:989     128:270     129:217     130:139     131:364     132:55     
 133:9       134:196     135:34      136:190     137:86      138:153    
 139:106     140:499     141:174     142:397     143:252     144:293    
 145:46      146:330     147:122     148:411     149:150     150:110    
 151:157     152:91      153:119     154:4       155:264     156:160    
 157:215     158:157     159:173     160:115     161:100     162:177    
 163:182     164:481     165:395     166:286     167:300     168:517    
 169:123     170:388     171:22      172:2       189:73      190:1075   
 192:5808    193:4005    194:3261    195:2384    196:1027    198:3908   
 199:3297    200:5213    201:1194    202:7806    203:7740    204:3964   
 205:1986    206:2480    207:2958    208:2822    209:3515    210:2696   
 211:1216    212:1350    213:1514    214:409     215:40      216:3999   
 217:1209    218:391     219:398     220:1029    221:418     222:306    


End of report