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



Routing Table Report   00:00 GMT Wed 25 Apr, 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/2007/04/25/1100

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

BGP routing table entries examined:                              228399
    Prefixes after maximum aggregation:                          118892
    Deaggregation factor:                                          1.92
    Unique aggregates announced to Internet:                     105215
Total ASes present in the Internet Routing Table:                 25085
    Prefixes per ASN:                                              9.11
Origin-only ASes present in the Internet Routing Table:           21762
Origin ASes announcing only one prefix:                           10522
Transit ASes present in the Internet Routing Table:                3323
Transit-only ASes present in the Internet Routing Table:             80
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      37
    Max AS path prepend of ASN (31258)                               21
Prefixes from unregistered ASNs in the Routing Table:                48
    Unregistered ASNs in the Routing Table:                          31
Prefixes from 32-bit ASNs in the Routing Table:                       3
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1730619016
    Equivalent to 103 /8s, 39 /16s and 38 /24s
    Percentage of available address space announced:               46.7
    Percentage of allocated address space announced:               63.4
    Percentage of available address space allocated:               73.7
Total number of prefixes smaller than registry allocations:      121899

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

Prefixes being announced by APNIC Region ASes:                    51165
    Total APNIC prefixes after maximum aggregation:               20359
    APNIC Deaggregation factor:                                    2.51
Prefixes being announced from the APNIC address blocks:           48067
    Unique aggregates announced from the APNIC address blocks:    21137
APNIC Region origin ASes present in the Internet Routing Table:    2927
    APNIC Prefixes per ASN:                                       16.42
APNIC Region origin ASes announcing only one prefix:                781
APNIC Region transit ASes present in the Internet Routing Table:    445
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              292055452
    Equivalent to 17 /8s, 104 /16s and 105 /24s
    Percentage of available APNIC address space announced:         72.3

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:                    113041
    Total ARIN prefixes after maximum aggregation:                63142
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            84250
    Unique aggregates announced from the ARIN address blocks:     30324
ARIN Region origin ASes present in the Internet Routing Table:    11540
    ARIN Prefixes per ASN:                                         7.30
ARIN Region origin ASes announcing only one prefix:                4408
ARIN Region transit ASes present in the Internet Routing Table:    1111
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          21
Number of ARIN addresses announced to Internet:               329568992
    Equivalent to 19 /8s, 164 /16s and 210 /24s
    Percentage of available ARIN address space announced:          72.8

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:                     46773
    Total RIPE prefixes after maximum aggregation:                30224
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            43438
    Unique aggregates announced from the RIPE address blocks:     26859
RIPE Region origin ASes present in the Internet Routing Table:     9565
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                5022
RIPE Region transit ASes present in the Internet Routing Table:    1563
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          37
Number of RIPE addresses announced to Internet:               305508800
    Equivalent to 18 /8s, 53 /16s and 177 /24s
    Percentage of available RIPE address space announced:          75.9

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, 80/5, 88/6, 92/7, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   14691
    Total LACNIC prefixes after maximum aggregation:               4120
    LACNIC Deaggregation factor:                                   3.57
Prefixes being announced from the LACNIC address blocks:          12786
    Unique aggregates announced from the LACNIC address blocks:    7096
LACNIC Region origin ASes present in the Internet Routing Table:    782
    LACNIC Prefixes per ASN:                                      16.35
LACNIC Region origin ASes announcing only one prefix:               252
LACNIC Region transit ASes present in the Internet Routing Table:   139
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              38396160
    Equivalent to 2 /8s, 73 /16s and 225 /24s
    Percentage of available LACNIC address space announced:        57.2

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:                   2680
    Total AfriNIC prefixes after maximum aggregation:              1041
    AfriNIC Deaggregation factor:                                  2.57
Prefixes being announced from the AfriNIC address blocks:          2028
    Unique aggregates announced from the AfriNIC address blocks:   1186
AfriNIC Region origin ASes present in the Internet Routing Table:   190
    AfriNIC Prefixes per ASN:                                     10.67
AfriNIC Region origin ASes announcing only one prefix:               59
AfriNIC Region transit ASes present in the Internet Routing Table:   37
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              6065152
    Equivalent to 0 /8s, 92 /16s and 140 /24s
    Percentage of available AfriNIC address space announced:       18.1

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     1276       9473         271   CHINANET-BACKBONE
 4755     1199        383          72   Videsh Sanchar Nigam Ltd. Aut
 9583     1099         79         378   Sify Limited
 9498      973        469          74   BHARTI BT INTERNET LTD.
 4766      782       4943         312   Korea Telecom (KIX)
23577      780         35         708   Korea Telecom (ATM-MPLS)
17488      666         43          36   Hathway IP Over Cable Interne
 1221      625       1957         466   Telstra Pty Ltd
 7545      623        142          79   TPG Internet Pty Ltd
18101      529        116          26   Reliance Infocom Ltd Internet
 4668      506         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      473        217         269   SingTel Optus Pty Ltd
 4812      463        795          74   China Telecom (Shanghai)
 9443      458        115          74   Primus Telecommunications
 9942      444         82         120   COMindico Australia
 4802      358         86         147   Wantree Development
 9829      358        274          14   BSNL National Internet Backbo
17557      357         33         171   Pakistan Telecom
 4837      343       4708         157   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      927        913         647   Telenor Internet Access
  702      517       1925         411   UUNET - Commercial IP service
24863      342         47          30   LINKdotNET AS number
 3301      309       1455         289   TeliaNet Sweden
 3320      305       4994         252   Deutsche Telekom AG
 6746      274         95         251   Dynamic Network Technologies,
 8220      257        457         248   COLT Telecommunications
  680      254       2043         247   DFN-IP service G-WiN
 1257      240       1180         173   SWIPnet Swedish IP Network
 3215      240       2256          92   France Telecom Transpac
 8708      237        288         230   Romania Data Systems S.A.
 5089      232       1657          52   NTL Group Limited
 3269      215       2583          73   TELECOM ITALIA
 3246      211        341         200   Song Networks
 8551      208        197          27   Bezeq International
30890      205         17          95   SC Kappa Invexim SRL
 3352      200       1799          33   Ibernet, Internet Access Netw
20858      196         34           4   EgyNet
 3300      191        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     4874       6693         743   UUNET Technologies, Inc. 
 7018     1485       6102         971   AT&T WorldNet Services
 4323     1267       1022         360   Time Warner Telecom
 2386     1115        531         750   AT&T Data Communications Serv
 6478     1094        336         149   AT&T Worldnet Services 
11492     1037        102          18   Cable One 
 6197     1035        688         503   BellSouth Network Solutions, 
  705     1005        530         503   UUNET Technologies, Inc. 
18566     1000        288           9   Covad Communications 
  174      955       6793         870   Cogent Communications
20115      819        734         430   Charter Communications 
 1239      815       2701         574   Sprint 
 7046      795        263         650   UUNET Technologies, Inc. 
 7011      785        225         468   Citizens Utilities 
  209      729       3717         583   Qwest 
19262      708       2551         182   Verizon Global Networks 
22773      705       1871          40   Cox Communications, Inc.
  577      639        777         202   Bell Advanced Communications 
  721      613      21748         272   DLA Systems Automation Center
  852      610       1097         377   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1199        1127      Videsh Sanchar Nigam Ltd. Aut
11492      1037        1019      Cable One 
 4134      1276        1005      CHINANET-BACKBONE
18566      1000         991      Covad Communications 
 6478      1094         945      AT&T Worldnet Services 
 4323      1267         907      Time Warner Telecom
 9498       973         899      BHARTI BT INTERNET LTD.
 8151      1078         866      UniNet S.A. de C.V. 
 9583      1099         721      Sify Limited
22773       705         665      Cox Communications, Inc.
17488       666         630      Hathway IP Over Cable Interne
 5668       592         575      CenturyTel Internet Holdings,
 7545       623         544      TPG Internet Pty Ltd
 6197      1035         532      BellSouth Network Solutions, 
19262       708         526      Verizon Global Networks 
 7018      1485         514      AT&T WorldNet Services
19916       568         514      OLM LLC 
18101       529         503      Reliance Infocom Ltd Internet
  705      1005         502      UUNET Technologies, Inc. 
  855       568         497      Canadian Research Network 

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

Bad AS  Designation  Network              Transit AS  Description
65534   PRIVATE       10.11.12.0/24        10886       University of Maryla
65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
64519   PRIVATE       87.198.212.128/25    34245       Magnet Networks AS
64518   PRIVATE       125.18.63.0/24        7633       Software Technology 
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65027   PRIVATE       135.196.97.168/29     8190       VIATEL 
64786   PRIVATE       170.210.17.0/25       7303       Telecom Argentina St
64785   PRIVATE       170.210.21.128/25     7303       Telecom Argentina St
64807   PRIVATE       170.210.44.0/25       7303       Telecom Argentina St
64792   PRIVATE       170.210.46.0/25       7303       Telecom Argentina St
64795   PRIVATE       170.210.46.128/25     7303       Telecom Argentina St
64810   PRIVATE       170.210.78.128/25     7303       Telecom Argentina St
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
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
64512   PRIVATE       208.103.63.0/24      32703       Indiana Fiber Networ
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
10.11.12.0/24        65534     *
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
223.0.0.0/8           2905     The Internetworking Company o

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:21       /9:9       /10:13      /11:33      /12:125     
/13:248     /14:450     /15:867     /16:9388    /17:3895    /18:6424    
/19:13609   /20:15461   /21:13998   /22:18401   /23:19963   /24:121895  
/25:1019    /26:1127    /27:605     /28:185     /29:163     /30:413     
/31:0       /32:87      

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

  ASN   No of nets  Total ann.   Description
  701     3634          4874      UUNET Technologies, Inc. 
 6478     1085          1094      AT&T Worldnet Services 
11492     1023          1037      Cable One 
18566      982          1000      Covad Communications 
 9583      939          1099      Sify Limited
 2119      829           927      Telenor Internet Access
 2386      822          1115      AT&T Data Communications Serv
 7018      809          1485      AT&T WorldNet Services
 6197      796          1035      BellSouth Network Solutions, 
23577      766           780      Korea Telecom (ATM-MPLS)
 7011      688           785      Citizens Utilities 
  705      643          1005      UUNET Technologies, Inc. 
 9498      637           973      BHARTI BT INTERNET LTD.
 4755      592          1199      Videsh Sanchar Nigam Ltd. Aut
 4766      588           782      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 7046      545           795      UUNET Technologies, Inc. 
 4323      530          1267      Time Warner Telecom
 4668      496           506      LG-EDS Systems Inc.
15270      494           527      PaeTec.net -a division of Pae

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

   4:9         7:1         8:77        9:1        10:1        12:1814   
  15:19       16:3        17:3        18:8        20:37       24:954    
  25:1        32:174      38:298      40:57       41:125      43:6      
  44:2        47:4        52:4        55:2        56:3        57:53     
  58:364      59:368      60:268      61:937      62:1023     63:3366   
  64:3228     65:3680     66:3363     67:817      68:646      69:1828   
  70:506      71:110      72:1264     73:1        74:418      75:257    
  76:37       77:163      80:868      81:814      82:738      83:398    
  84:432      85:811      86:374      87:456      88:255      89:854    
  90:22       91:271      97:1       116:36      121:176     122:523    
 123:85      124:771     125:927     128:272     129:219     130:122    
 131:345     132:52      133:10      134:193     135:39      136:179    
 137:85      138:195     139:116     140:480     141:149     142:394    
 143:209     144:290     145:43      146:323     147:149     148:397    
 149:146     150:116     151:125     152:94      153:120     154:5      
 155:252     156:152     157:185     158:161     159:155     160:104    
 161:91      162:236     163:145     164:462     165:408     166:233    
 167:278     168:501     169:120     170:399     171:15      172:1      
 189:294     190:584     192:5821    193:3806    194:3113    195:2283   
 196:1008    198:3880    199:3380    200:4714    201:957     202:7286   
 203:7378    204:4093    205:2217    206:2575    207:3164    208:3282   
 209:3747    210:2481    211:973     212:1351    213:1498    214:407    
 215:41      216:4179    217:1158    218:372     219:361     220:943    
 221:401     222:271    

End of report