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



Routing Table Report   00:00 GMT Tue 24 Apr, 2007


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

BGP routing table entries examined:                              228356
    Prefixes after maximum aggregation:                          118790
    Deaggregation factor:                                          1.92
    Unique aggregates announced to Internet:                     105075
Total ASes present in the Internet Routing Table:                 25052
    Prefixes per ASN:                                              9.12
Origin-only ASes present in the Internet Routing Table:           21687
Origin ASes announcing only one prefix:                           10493
Transit ASes present in the Internet Routing Table:                3365
Transit-only ASes present in the Internet Routing Table:             91
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      37
    Max AS path prepend of ASN (23775)                               25
Prefixes from unregistered ASNs in the Routing Table:                54
    Unregistered ASNs in the Routing Table:                          37
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1713901896
    Equivalent to 102 /8s, 40 /16s and 17 /24s
    Percentage of available address space announced:               46.2
    Percentage of allocated address space announced:               62.8
    Percentage of available address space allocated:               73.7
Total number of prefixes smaller than registry allocations:      121743

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

Prefixes being announced by APNIC Region ASes:                    51297
    Total APNIC prefixes after maximum aggregation:               20322
    APNIC Deaggregation factor:                                    2.52
Prefixes being announced from the APNIC address blocks:           48220
    Unique aggregates announced from the APNIC address blocks:    21132
APNIC Region origin ASes present in the Internet Routing Table:    2934
    APNIC Prefixes per ASN:                                       16.43
APNIC Region origin ASes announcing only one prefix:                786
APNIC Region transit ASes present in the Internet Routing Table:    459
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         29
Number of APNIC addresses announced to Internet:              292068700
    Equivalent to 17 /8s, 104 /16s and 157 /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:                    113021
    Total ARIN prefixes after maximum aggregation:                63124
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            84237
    Unique aggregates announced from the ARIN address blocks:     30300
ARIN Region origin ASes present in the Internet Routing Table:    11520
    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:    1115
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               329539808
    Equivalent to 19 /8s, 164 /16s and 96 /24s
    Percentage of available ARIN address space announced:          72.7

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:                     46658
    Total RIPE prefixes after maximum aggregation:                30180
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            43305
    Unique aggregates announced from the RIPE address blocks:     26770
RIPE Region origin ASes present in the Internet Routing Table:     9537
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                4997
RIPE Region transit ASes present in the Internet Routing Table:    1570
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          37
Number of RIPE addresses announced to Internet:               305512384
    Equivalent to 18 /8s, 53 /16s and 191 /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
                       40960-43007
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:                   14657
    Total LACNIC prefixes after maximum aggregation:               4124
    LACNIC Deaggregation factor:                                   3.55
Prefixes being announced from the LACNIC address blocks:          12749
    Unique aggregates announced from the LACNIC address blocks:    7080
LACNIC Region origin ASes present in the Internet Routing Table:    780
    LACNIC Prefixes per ASN:                                      16.34
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:                       5.6
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              38378752
    Equivalent to 2 /8s, 73 /16s and 157 /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:                   2668
    Total AfriNIC prefixes after maximum aggregation:              1034
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          2021
    Unique aggregates announced from the AfriNIC address blocks:   1184
AfriNIC Region origin ASes present in the Internet Routing Table:   189
    AfriNIC Prefixes per ASN:                                     10.69
AfriNIC Region origin ASes announcing only one prefix:               58
AfriNIC Region transit ASes present in the Internet Routing Table:   35
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              6062080
    Equivalent to 0 /8s, 92 /16s and 128 /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     1273       9471         270   CHINANET-BACKBONE
 4755     1197        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1098         79         378   Sify Limited
 9498      973        469          74   BHARTI BT INTERNET LTD.
23577      783         35         709   Korea Telecom (ATM-MPLS)
 4766      782       4943         312   Korea Telecom (KIX)
17488      666         43          36   Hathway IP Over Cable Interne
 1221      625       1957         466   Telstra Pty Ltd
 7545      624        142          80   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      441         79         118   COMindico Australia
 4802      360         86         149   Wantree Development
 9829      360        274          15   BSNL National Internet Backbo
17557      358         35         172   Pakistan Telecom
17974      344        129          12   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      926        927         645   Telenor Internet Access
  702      519       1941         413   UUNET - Commercial IP service
24863      342         47          30   LINKdotNET AS number
 3301      311       1455         291   TeliaNet Sweden
 3320      302       4993         250   Deutsche Telekom AG
 6746      273         95         250   Dynamic Network Technologies,
 8220      262        457         252   COLT Telecommunications
  680      258       2044         250   DFN-IP service G-WiN
 3215      239       2256          92   France Telecom Transpac
 1257      237       1180         170   SWIPnet Swedish IP Network
 8708      235        288         229   Romania Data Systems S.A.
 5089      232       1657          52   NTL Group Limited
 3269      215       2583          73   TELECOM ITALIA
 3246      212        341         201   Song Networks
 8551      208        197          27   Bezeq International
30890      205         17          95   SC Kappa Invexim SRL
 3352      199       1799          33   Ibernet, Internet Access Netw
20858      196         34           4   EgyNet
 3300      194        171          93   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     4832       6675         731   UUNET Technologies, Inc. 
 7018     1505      10215         987   AT&T WorldNet Services
 4323     1260       1022         356   Time Warner Telecom
 2386     1107        531         747   AT&T Data Communications Serv
 6478     1093        335         151   AT&T Worldnet Services 
  705     1042        535         529   UUNET Technologies, Inc. 
11492     1038        102          17   Cable One 
 6197     1034        687         503   BellSouth Network Solutions, 
18566      999        288           9   Covad Communications 
  174      952       6792         867   Cogent Communications
 1239      821       2718         577   Sprint 
20115      821        734         431   Charter Communications 
 7046      792        263         650   UUNET Technologies, Inc. 
 7011      785        225         468   Citizens Utilities 
  209      727       3733         584   Qwest 
19262      706       2538         169   Verizon Global Networks 
22773      701       1871          40   Cox Communications, Inc.
  577      639        777         202   Bell Advanced Communications 
  721      616      21756         273   DLA Systems Automation Center
  852      611       1097         378   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1197        1127      Videsh Sanchar Nigam Ltd. Aut
11492      1038        1021      Cable One 
 4134      1273        1003      CHINANET-BACKBONE
18566       999         990      Covad Communications 
 6478      1093         942      AT&T Worldnet Services 
 4323      1260         904      Time Warner Telecom
 9498       973         899      BHARTI BT INTERNET LTD.
 8151      1076         868      UniNet S.A. de C.V. 
 9583      1098         720      Sify Limited
22773       701         661      Cox Communications, Inc.
17488       666         630      Hathway IP Over Cable Interne
 5668       591         574      CenturyTel Internet Holdings,
 7545       624         544      TPG Internet Pty Ltd
19262       706         537      Verizon Global Networks 
 6197      1034         531      BellSouth Network Solutions, 
 7018      1505         518      AT&T WorldNet Services
19916       568         514      OLM LLC 
  705      1042         513      UUNET Technologies, Inc. 
18101       529         503      Reliance Infocom Ltd Internet
  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 
64984   PRIVATE       168.224.4.0/23       29487       PFIZER
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
64795   PRIVATE       170.210.46.128/25     7303       Telecom Argentina St
64810   PRIVATE       170.210.78.128/25     7303       Telecom Argentina St
64800   PRIVATE       170.210.180.0/24      7303       Telecom Argentina St
64815   PRIVATE       170.210.181.0/24      7303       Telecom Argentina St
64808   PRIVATE       170.210.244.0/24      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. 
65105   PRIVATE       195.219.216.0/21      6453       Teleglobe Inc. 
65011   PRIVATE       203.116.243.0/24      4657       Starhub Internet, Si
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
65313   PRIVATE       203.184.140.0/24      9304       Hutchison Telecom (H
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
65019   PRIVATE       216.195.13.0/24      19034       Norcom Networks Corp
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

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:20       /9:9       /10:13      /11:34      /12:125     
/13:248     /14:450     /15:867     /16:9390    /17:3897    /18:6430    
/19:13596   /20:15457   /21:13982   /22:18402   /23:19958   /24:121913  
/25:1018    /26:1110    /27:575     /28:187     /29:164     /30:420     
/31:0       /32:91      

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

  ASN   No of nets  Total ann.   Description
  701     3615          4832      UUNET Technologies, Inc. 
 6478     1084          1093      AT&T Worldnet Services 
11492     1024          1038      Cable One 
18566      981           999      Covad Communications 
 9583      937          1098      Sify Limited
 2119      829           926      Telenor Internet Access
 2386      825          1107      AT&T Data Communications Serv
 7018      816          1505      AT&T WorldNet Services
 6197      795          1034      BellSouth Network Solutions, 
23577      769           783      Korea Telecom (ATM-MPLS)
 7011      688           785      Citizens Utilities 
  705      662          1042      UUNET Technologies, Inc. 
 9498      637           973      BHARTI BT INTERNET LTD.
 4755      591          1197      Videsh Sanchar Nigam Ltd. Aut
 4766      588           782      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 7046      542           792      UUNET Technologies, Inc. 
 4323      526          1260      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      38:299      40:57       41:124      43:6      
  44:2        47:4        52:4        55:2        56:3        57:53     
  58:363      59:368      60:268      61:937      62:1023     63:3371   
  64:3228     65:3678     66:3363     67:819      68:646      69:1824   
  70:506      71:110      72:1262     73:1        74:413      75:257    
  76:37       77:162      80:867      81:815      82:738      83:397    
  84:437      85:808      86:373      87:455      88:244      89:847    
  90:22       91:271      97:1       116:26      121:176     122:528    
 123:86      124:784     125:936     128:273     129:219     130:121    
 131:349     132:52      133:10      134:193     135:39      136:179    
 137:88      138:194     139:116     140:479     141:149     142:394    
 143:211     144:284     145:43      146:323     147:150     148:398    
 149:146     150:115     151:124     152:96      153:121     154:5      
 155:252     156:152     157:185     158:161     159:155     160:104    
 161:91      162:236     163:146     164:462     165:406     166:234    
 167:278     168:499     169:120     170:399     171:15      172:1      
 189:294     190:574     192:5812    193:3795    194:3103    195:2277   
 196:1003    198:3883    199:3381    200:4691    201:952     202:7295   
 203:7484    204:4087    205:2216    206:2608    207:3165    208:3282   
 209:3746    210:2480    211:973     212:1343    213:1482    214:407    
 215:40      216:4164    217:1160    218:371     219:361     220:943    
 221:399     222:272    

End of report