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



Routing Table Report   00:00 GMT Mon 16 Apr, 2007


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

BGP routing table entries examined:                              227523
    Prefixes after maximum aggregation:                          118496
    Deaggregation factor:                                          1.92
    Unique aggregates announced to Internet:                     106008
Total ASes present in the Internet Routing Table:                 24979
    Prefixes per ASN:                                              9.11
Origin-only ASes present in the Internet Routing Table:           21747
Origin ASes announcing only one prefix:                           10476
Transit ASes present in the Internet Routing Table:                3232
Transit-only ASes present in the Internet Routing Table:             79
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      30
    Max AS path prepend of ASN (33993)                               26
Prefixes from unregistered ASNs in the Routing Table:                40
    Unregistered ASNs in the Routing Table:                          25
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1688352064
    Equivalent to 100 /8s, 162 /16s and 53 /24s
    Percentage of available address space announced:               45.6
    Percentage of allocated address space announced:               61.8
    Percentage of available address space allocated:               73.7
Total number of prefixes smaller than registry allocations:      121158

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

Prefixes being announced by APNIC Region ASes:                    51002
    Total APNIC prefixes after maximum aggregation:               20208
    APNIC Deaggregation factor:                                    2.52
Prefixes being announced from the APNIC address blocks:           47903
    Unique aggregates announced from the APNIC address blocks:    21139
APNIC Region origin ASes present in the Internet Routing Table:    2927
    APNIC Prefixes per ASN:                                       16.37
APNIC Region origin ASes announcing only one prefix:                779
APNIC Region transit ASes present in the Internet Routing Table:    439
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              291374420
    Equivalent to 17 /8s, 94 /16s and 5 /24s
    Percentage of available APNIC address space announced:         72.2

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:                    112788
    Total ARIN prefixes after maximum aggregation:                63067
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            84043
    Unique aggregates announced from the ARIN address blocks:     30251
ARIN Region origin ASes present in the Internet Routing Table:    11500
    ARIN Prefixes per ASN:                                         7.31
ARIN Region origin ASes announcing only one prefix:                4400
ARIN Region transit ASes present in the Internet Routing Table:    1063
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               328631264
    Equivalent to 19 /8s, 150 /16s and 131 /24s
    Percentage of available ARIN address space announced:          72.5

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:                     46460
    Total RIPE prefixes after maximum aggregation:                30094
    RIPE Deaggregation factor:                                     1.54
Prefixes being announced from the RIPE address blocks:            43129
    Unique aggregates announced from the RIPE address blocks:     27746
RIPE Region origin ASes present in the Internet Routing Table:     9508
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                4989
RIPE Region transit ASes present in the Internet Routing Table:    1530
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          30
Number of RIPE addresses announced to Internet:               298782144
    Equivalent to 17 /8s, 207 /16s and 13 /24s
    Percentage of available RIPE address space announced:          74.2

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
                       40960-43007
RIPE Address Blocks    62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
                       212/7 and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   14601
    Total LACNIC prefixes after maximum aggregation:               4101
    LACNIC Deaggregation factor:                                   3.56
Prefixes being announced from the LACNIC address blocks:          12700
    Unique aggregates announced from the LACNIC address blocks:    7111
LACNIC Region origin ASes present in the Internet Routing Table:    778
    LACNIC Prefixes per ASN:                                      16.32
LACNIC Region origin ASes announcing only one prefix:               249
LACNIC Region transit ASes present in the Internet Routing Table:   137
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              38295040
    Equivalent to 2 /8s, 72 /16s and 86 /24s
    Percentage of available LACNIC address space announced:        57.1

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:                   2632
    Total AfriNIC prefixes after maximum aggregation:              1020
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          1975
    Unique aggregates announced from the AfriNIC address blocks:   1178
AfriNIC Region origin ASes present in the Internet Routing Table:   186
    AfriNIC Prefixes per ASN:                                     10.62
AfriNIC Region origin ASes announcing only one prefix:               59
AfriNIC Region transit ASes present in the Internet Routing Table:   36
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              5976832
    Equivalent to 0 /8s, 91 /16s and 51 /24s
    Percentage of available AfriNIC address space announced:       17.8

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     1273       9471         270   CHINANET-BACKBONE
 4755     1195        382          76   Videsh Sanchar Nigam Ltd. Aut
 9583     1103         78         380   Sify Limited
 9498      973        469          73   BHARTI BT INTERNET LTD.
 4766      783       4943         312   Korea Telecom (KIX)
23577      782         35         710   Korea Telecom (ATM-MPLS)
17488      663         43          34   Hathway IP Over Cable Interne
 1221      618       1957         464   Telstra Pty Ltd
 7545      611        142          78   TPG Internet Pty Ltd
18101      529        116          26   Reliance Infocom Ltd Internet
 4668      504         68          10   LG-EDS Systems Inc.
17676      503      10935          65   Softbank BB Corp.
 7474      460        216         263   SingTel Optus Pty Ltd
 4812      459        795          74   China Telecom (Shanghai)
 9443      458        115          74   Primus Telecommunications
 9942      424         84         121   COMindico Australia
 2907      373       1765         313   SINET Japan
17557      361         35         171   Pakistan Telecom
 9829      359        274          14   BSNL National Internet Backbo
 4802      358         86         148   Wantree Development

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      926        897         644   Telenor Internet Access
  702      520       1941         414   UUNET - Commercial IP service
24863      341         47          33   LINKdotNET AS number
 3301      307       1455         287   TeliaNet Sweden
 3320      302       4993         250   Deutsche Telekom AG
 6746      275         95         252   Dynamic Network Technologies,
 8220      263        463         253   COLT Telecommunications
  680      257       2044         250   DFN-IP service G-WiN
 3215      239       2256          92   France Telecom Transpac
 8708      235        288         228   Romania Data Systems S.A.
 5089      233       1657          52   NTL Group Limited
 1257      231       1180         169   SWIPnet Swedish IP Network
 3269      216       2583          73   TELECOM ITALIA
 3246      211        341         200   Song Networks
 8551      208        197          27   Bezeq International
30890      205         17          93   SC Kappa Invexim SRL
20858      199         34           4   EgyNet
 3352      196       1795          36   Ibernet, Internet Access Netw
 3300      190        171          90   AUCS Communications Services 
 9116      188        134          24   Goldenlines main autonomous s

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4790       6676         737   UUNET Technologies, Inc. 
 7018     1508      10229         986   AT&T WorldNet Services
 4323     1268       1022         355   Time Warner Telecom
  705     1108        546         567   UUNET Technologies, Inc. 
 6478     1093        334         146   AT&T Worldnet Services 
 2386     1091        528         735   AT&T Data Communications Serv
 6197     1034        686         500   BellSouth Network Solutions, 
11492     1030        102          15   Cable One 
18566      999        288           9   Covad Communications 
  174      954       6792         868   Cogent Communications
20115      815        725         427   Charter Communications 
 1239      812       2699         566   Sprint 
 7046      789        263         649   UUNET Technologies, Inc. 
 7011      782        225         465   Citizens Utilities 
  209      721       3718         571   Qwest 
19262      711       2534         169   Verizon Global Networks 
22773      699       1871          40   Cox Communications, Inc.
  577      641        778         206   Bell Advanced Communications 
  721      617      21756         274   DLA Systems Automation Center
  852      612       1095         378   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1195        1119      Videsh Sanchar Nigam Ltd. Aut
11492      1030        1015      Cable One 
 4134      1273        1003      CHINANET-BACKBONE
18566       999         990      Covad Communications 
 6478      1093         947      AT&T Worldnet Services 
 4323      1268         913      Time Warner Telecom
 9498       973         900      BHARTI BT INTERNET LTD.
 8151      1037         827      UniNet S.A. de C.V. 
 9583      1103         723      Sify Limited
22773       699         659      Cox Communications, Inc.
17488       663         629      Hathway IP Over Cable Interne
 5668       585         568      CenturyTel Internet Holdings,
19262       711         542      Verizon Global Networks 
  705      1108         541      UUNET Technologies, Inc. 
 6197      1034         534      BellSouth Network Solutions, 
 7545       611         533      TPG Internet Pty Ltd
 7018      1508         522      AT&T WorldNet Services
19916       568         514      OLM LLC 
18101       529         503      Reliance Infocom Ltd Internet
  855       566         495      Canadian Research Network 

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
64519   PRIVATE       87.198.212.128/25    34245       Magnet Networks AS
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65027   PRIVATE       135.196.97.168/29     8190       VIATEL 
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
64542   PRIVATE       195.47.25.192/27      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
65106   PRIVATE       195.219.161.0/27      6453       Teleglobe Inc. 
65011   PRIVATE       203.116.243.0/24      4657       Starhub Internet, Si
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
65517   PRIVATE       213.154.248.0/29     12859       Business Internet Tr
65517   PRIVATE       213.154.248.8/29     12859       Business Internet Tr
22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
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
180.190.0.0/16       24003     JUBILANT ORGANOSYS LTD., INDI
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       /10:12      /11:34      /12:125     
/13:247     /14:450     /15:862     /16:9371    /17:3873    /18:6412    
/19:13549   /20:15459   /21:13924   /22:18345   /23:19871   /24:121404  
/25:1014    /26:1106    /27:570     /28:186     /29:166     /30:426     
/31:0       /32:90      

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

  ASN   No of nets  Total ann.   Description
  701     3574          4790      UUNET Technologies, Inc. 
 6478     1084          1093      AT&T Worldnet Services 
11492     1016          1030      Cable One 
18566      981           999      Covad Communications 
 9583      943          1103      Sify Limited
 2119      829           926      Telenor Internet Access
 7018      818          1508      AT&T WorldNet Services
 2386      812          1091      AT&T Data Communications Serv
 6197      796          1034      BellSouth Network Solutions, 
23577      768           782      Korea Telecom (ATM-MPLS)
  705      705          1108      UUNET Technologies, Inc. 
 7011      685           782      Citizens Utilities 
 9498      635           973      BHARTI BT INTERNET LTD.
 4766      589           783      Korea Telecom (KIX)
 4755      587          1195      Videsh Sanchar Nigam Ltd. Aut
19916      563           568      OLM LLC 
 7046      544           789      UUNET Technologies, Inc. 
 4323      532          1268      Time Warner Telecom
 4668      494           504      LG-EDS Systems Inc.
15270      491           524      PaeTec.net -a division of Pae

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

   4:9         7:1         8:65        9:1        12:1812     15:19     
  16:3        17:3        18:8        20:37       24:953      25:1      
  32:174      38:297      40:57       41:116      43:6        44:2      
  47:4        52:4        55:1        56:3        57:53       58:375    
  59:367      60:265      61:921      62:1018     63:3361     64:3227   
  65:3657     66:3354     67:810      68:646      69:1803     70:495    
  71:110      72:1253     73:1        74:392      75:249      76:35     
  77:141      80:846      81:804      82:739      83:406      84:440    
  85:805      86:363      87:456      88:239      89:837      90:19     
  91:260      97:1       116:16      121:177     122:522     123:92     
 124:767     125:930     128:272     129:222     130:122     131:348    
 132:51      133:10      134:191     135:39      136:195     137:88     
 138:194     139:109     140:479     141:149     142:393     143:213    
 144:289     145:43      146:323     147:147     148:395     149:145    
 150:115     151:124     152:95      153:121     154:5       155:252    
 156:153     157:184     158:161     159:156     160:103     161:93     
 162:236     163:141     164:460     165:404     166:246     167:278    
 168:501     169:120     170:393     171:15      172:1       189:253    
 190:567     192:5814    193:3809    194:3131    195:2278    196:977    
 198:3876    199:3364    200:4674    201:1017    202:7288    203:7464   
 204:4100    205:2219    206:2629    207:3137    208:3278    209:3739   
 210:2409    211:979     212:1330    213:1475    214:399     215:39     
 216:4174    217:1148    218:373     219:305     220:916     221:397    
 222:244    

End of report