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



Routing Table Report   00:00 GMT Thu 06 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/2007/09/06

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

BGP routing table entries examined:                              235773
    Prefixes after maximum aggregation:                          121165
    Deaggregation factor:                                          1.95
    Unique aggregates announced to Internet:                     112056
Total ASes present in the Internet Routing Table:                 26198
    Prefixes per ASN:                                              9.00
Origin-only ASes present in the Internet Routing Table:           22726
Origin ASes announcing only one prefix:                           11067
Transit ASes present in the Internet Routing Table:                3472
Transit-only ASes present in the Internet Routing Table:             82
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                43
    Unregistered ASNs in the Routing Table:                          24
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:                   1758253700
    Equivalent to 104 /8s, 204 /16s and 210 /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:      125460

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

Prefixes being announced by APNIC Region ASes:                    56184
    Total APNIC prefixes after maximum aggregation:               21138
    APNIC Deaggregation factor:                                    2.66
Prefixes being announced from the APNIC address blocks:           53041
    Unique aggregates announced from the APNIC address blocks:    22507
APNIC Region origin ASes present in the Internet Routing Table:    3063
    APNIC Prefixes per ASN:                                       17.32
APNIC Region origin ASes announcing only one prefix:                809
APNIC Region transit ASes present in the Internet Routing Table:    471
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         20
Number of APNIC addresses announced to Internet:              313483700
    Equivalent to 18 /8s, 175 /16s and 97 /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:                    110865
    Total ARIN prefixes after maximum aggregation:                63421
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:            81458
    Unique aggregates announced from the ARIN address blocks:     31921
ARIN Region origin ASes present in the Internet Routing Table:    11818
    ARIN Prefixes per ASN:                                         6.89
ARIN Region origin ASes announcing only one prefix:                4516
ARIN Region transit ASes present in the Internet Routing Table:    1147
Average ARIN Region AS path length visible:                         3.1
    Max ARIN Region AS path length visible:                          16
Number of ARIN addresses announced to Internet:               343910496
    Equivalent to 20 /8s, 127 /16s and 168 /24s
    Percentage of available ARIN address space announced:          75.9

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:                     49097
    Total RIPE prefixes after maximum aggregation:                31100
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            45549
    Unique aggregates announced from the RIPE address blocks:     29580
RIPE Region origin ASes present in the Internet Routing Table:    10171
    RIPE Prefixes per ASN:                                         4.48
RIPE Region origin ASes announcing only one prefix:                5398
RIPE Region transit ASes present in the Internet Routing Table:    1627
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               326611008
    Equivalent to 19 /8s, 119 /16s and 176 /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:                   16747
    Total LACNIC prefixes after maximum aggregation:               4452
    LACNIC Deaggregation factor:                                   3.76
Prefixes being announced from the LACNIC address blocks:          14816
    Unique aggregates announced from the LACNIC address blocks:    7814
LACNIC Region origin ASes present in the Internet Routing Table:    862
    LACNIC Prefixes per ASN:                                      17.19
LACNIC Region origin ASes announcing only one prefix:               278
LACNIC Region transit ASes present in the Internet Routing Table:   152
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC addresses announced to Internet:              42198528
    Equivalent to 2 /8s, 131 /16s and 230 /24s
    Percentage of available LACNIC address space announced:        62.9

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:                   2831
    Total AfriNIC prefixes after maximum aggregation:              1040
    AfriNIC Deaggregation factor:                                  2.72
Prefixes being announced from the AfriNIC address blocks:          2365
    Unique aggregates announced from the AfriNIC address blocks:   1324
AfriNIC Region origin ASes present in the Internet Routing Table:   201
    AfriNIC Prefixes per ASN:                                     11.77
AfriNIC Region origin ASes announcing only one prefix:               66
AfriNIC Region transit ASes present in the Internet Routing Table:   32
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              7463424
    Equivalent to 0 /8s, 113 /16s and 226 /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
 4538     1941       2974          36   China Education and Research 
 4755     1344        383          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1128         81         405   Sify Limited
 4134     1076      11228         293   CHINANET-BACKBONE
 9498      997        532          64   BHARTI BT INTERNET LTD.
23577      928         34         796   Korea Telecom (ATM-MPLS)
 4766      806       5441         320   Korea Telecom (KIX)
17488      795         52          61   Hathway IP Over Cable Interne
 7545      727        159         118   TPG Internet Pty Ltd
18101      596        119          51   Reliance Infocom Ltd Internet
 1221      591       1951         433   Telstra Pty Ltd
 4812      549        971          97   China Telecom (Shanghai)
 4668      516         68          10   LG-EDS Systems Inc.
17676      502      10903          63   Softbank BB Corp.
 4808      482        778         115   CNCGROUP IP network: China169
 9443      468        122          78   Primus Telecommunications
 7474      453        216         268   SingTel Optus Pty Ltd
 4802      439        117         153   Wantree Development
 9942      439         75         112   COMindico Australia
17974      377        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      348        168          26   Goldenlines main autonomous s
 8551      334        326          24   Bezeq International
 5089      325       1658          54   NTL Group Limited
 3320      317       6036         263   Deutsche Telekom AG
 3301      314       1456         294   TeliaNet Sweden
 6746      290        130         266   Dynamic Network Technologies,
 1273      289        306         105   Cable & Wireless Deutschland 
  680      269       2045         257   DFN-IP service G-WiN
 8708      262        420         241   Romania Data Systems S.A.
 3215      258       2424          98   France Telecom Transpac
 8220      258        444         241   COLT Telecommunications
 3352      227       1868          38   Ibernet, Internet Access Netw
 3269      223       2839          73   TELECOM ITALIA
 9121      214       1441          24   TTnet Autonomous System
 1257      203       1179         168   SWIPnet Swedish IP Network
 3300      202        172          96   AUCS Communications Services 
 3292      196       1379         176   TDC Tele Danmark
 2856      192       2316         152   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1493      10163        1003   AT&T WorldNet Services
 4323     1318        991         372   Time Warner Telecom
 2386     1217        633         738   AT&T Data Communications Serv
11492     1138        111          12   Cable One 
 6478     1131        325         168   AT&T Worldnet Services 
 6197     1029        718         508   BellSouth Network Solutions, 
18566     1023        288           9   Covad Communications 
  174      961       6714         849   Cogent Communications
  701      936       6593         715   UUNET Technologies, Inc. 
 7011      920        278         550   Citizens Utilities 
20115      816        751         435   Charter Communications 
 1239      784       2693         550   Sprint 
19262      768       2728         177   Verizon Global Networks 
22773      764       2149          50   Cox Communications, Inc.
  209      723       3804         566   Qwest 
  577      706        813         202   Bell Advanced Communications 
 5668      657        176          23   CenturyTel Internet Holdings,
 3356      605      10812         348   Level 3 Communications, LLC 
 6517      596        165          37   Yipes Communications, Inc. 
  852      586       1079         360   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1344        1273      Videsh Sanchar Nigam Ltd. Aut
11492      1138        1126      Cable One 
18566      1023        1014      Covad Communications 
 6478      1131         963      AT&T Worldnet Services 
 4323      1318         946      Time Warner Telecom
 9498       997         933      BHARTI BT INTERNET LTD.
 4134      1076         783      CHINANET-BACKBONE
17488       795         734      Hathway IP Over Cable Interne
 9583      1128         723      Sify Limited
22773       764         714      Cox Communications, Inc.
 8151       872         680      UniNet S.A. de C.V. 
 5668       657         634      CenturyTel Internet Holdings,
 7545       727         609      TPG Internet Pty Ltd
19262       768         591      Verizon Global Networks 
 6517       596         559      Yipes Communications, Inc. 
18101       596         545      Reliance Infocom Ltd Internet
15270       574         536      PaeTec.net -a division of Pae
 6197      1029         521      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
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65530   PRIVATE       192.147.68.0/24       2901       New Mexico Technet 
64586   PRIVATE       192.170.73.0/24       4845       Chung Hsiao East Roa
65500   PRIVATE       192.239.84.0/24      10886       University of Maryla
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
65000   PRIVATE       199.133.62.0/24      10886       University of Maryla
65000   PRIVATE       199.133.63.0/24      10886       University of Maryla
64586   PRIVATE       202.165.137.0/24      4845       Chung Hsiao East Roa
64586   PRIVATE       202.165.140.0/24      4845       Chung Hsiao East Roa
64586   PRIVATE       202.165.141.0/24      4845       Chung Hsiao East Roa
64586   PRIVATE       202.165.142.0/24      4845       Chung Hsiao East Roa
64586   PRIVATE       202.165.143.0/24      4845       Chung Hsiao East Roa
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
65001   PRIVATE       216.240.208.0/20      6325       Illinois Century Net
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     
/13:266     /14:475     /15:928     /16:9684    /17:4160    /18:6682    
/19:14030   /20:16711   /21:15217   /22:19626   /23:20509   /24:123836  
/25:883     /26:1149    /27:592     /28:264     /29:189     /30:277     
/31:6       /32:76      

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

  ASN   No of nets  Total ann.   Description
 6478     1130          1131      AT&T Worldnet Services 
11492     1130          1138      Cable One 
18566     1005          1023      Covad Communications 
 9583      970          1128      Sify Limited
23577      919           928      Korea Telecom (ATM-MPLS)
 2386      908          1217      AT&T Data Communications Serv
 4538      904          1941      China Education and Research 
 7018      826          1493      AT&T WorldNet Services
 7011      813           920      Citizens Utilities 
 6197      782          1029      BellSouth Network Solutions, 
 4755      727          1344      Videsh Sanchar Nigam Ltd. Aut
 9498      670           997      BHARTI BT INTERNET LTD.
17488      618           795      Hathway IP Over Cable Interne
 4766      604           806      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 6517      562           596      Yipes Communications, Inc. 
 4323      552          1318      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       12:1822     13:2        15:19     
  16:3        17:3        18:13       20:36       24:988      25:1      
  32:173      33:3        38:346      40:60       41:320      43:6      
  44:2        47:4        52:4        55:3        56:3        57:42     
  58:500      59:398      60:369      61:1027     62:994      63:2017   
  64:3224     65:2427     66:3415     67:810      68:661      69:1982   
  70:465      71:116      72:1415     73:2        74:645      75:307    
  76:132      77:334      78:48       79:3        80:850      81:825    
  82:599      83:392      84:621      85:812      86:341      87:480    
  88:285      89:965      90:24       91:534      97:6       116:312    
 117:180     118:17      121:273     122:593     123:175     124:673    
 125:987     128:269     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     143:255     144:303    
 145:46      146:330     147:122     148:405     149:150     150:111    
 151:157     152:91      153:119     154:4       155:263     156:161    
 157:217     158:158     159:173     160:115     161:100     162:177    
 163:182     164:485     165:395     166:289     167:300     168:517    
 169:121     170:390     171:22      172:2       189:74      190:1077   
 192:5806    193:3982    194:3265    195:2379    196:1012    198:3906   
 199:3297    200:5244    201:1191    202:7798    203:7747    204:3960   
 205:1975    206:2477    207:2962    208:2825    209:3526    210:2776   
 211:1208    212:1352    213:1498    214:416     215:41      216:4000   
 217:1209    218:394     219:450     220:1031    221:420     222:306    


End of report