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



Routing Table Report   00:00 GMT Mon 15 Jan, 2007

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

BGP routing table entries examined:                              217853
    Prefixes after maximum aggregation:                          113950
    Deaggregation factor:                                          1.91
    Unique aggregates announced to Internet:                     100498
Total ASes present in the Internet Routing Table:                 24161
Origin-only ASes present in the Internet Routing Table:           21008
Origin ASes announcing only one prefix:                           10140
Transit ASes present in the Internet Routing Table:                3153
Transit-only ASes present in the Internet Routing Table:             65
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (32609)                               16
Prefixes from unregistered ASNs in the Routing Table:                20
    Unregistered ASNs in the Routing Table:                          14
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1654362888
    Equivalent to 98 /8s, 155 /16s and 147 /24s
    Percentage of available address space announced:               44.6
    Percentage of allocated address space announced:               63.3
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:      113657

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

Prefixes being announced by APNIC Region ASes:                    47966
    Total APNIC prefixes after maximum aggregation:               18802
    APNIC Deaggregation factor:                                    2.55
Prefixes being announced from the APNIC address blocks:           45440
    Unique aggregates announced from the APNIC address blocks:    19064
APNIC Region origin ASes present in the Internet Routing Table:    2833
APNIC Region origin ASes announcing only one prefix:                783
APNIC Region transit ASes present in the Internet Routing Table:    435
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         18
Number of APNIC addresses announced to Internet:              275027328
    Equivalent to 16 /8s, 100 /16s and 149 /24s
    Percentage of available APNIC address space announced:         86.0

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, 121/8, 122/7, 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:                    109473
    Total ARIN prefixes after maximum aggregation:                61943
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:            81733
    Unique aggregates announced from the ARIN address blocks:     28755
ARIN Region origin ASes present in the Internet Routing Table:    11270
ARIN Region origin ASes announcing only one prefix:                4307
ARIN Region transit ASes present in the Internet Routing Table:    1050
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               312495840
    Equivalent to 18 /8s, 160 /16s and 78 /24s
    Percentage of available ARIN address space announced:          69.0

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:                     44130
    Total RIPE prefixes after maximum aggregation:                28290
    RIPE Deaggregation factor:                                     1.56
Prefixes being announced from the RIPE address blocks:            41072
    Unique aggregates announced from the RIPE address blocks:     26388
RIPE Region origin ASes present in the Internet Routing Table:     9064
RIPE Region origin ASes announcing only one prefix:                4745
RIPE Region transit ASes present in the Internet Routing Table:    1465
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          31
Number of RIPE addresses announced to Internet:               284058400
    Equivalent to 16 /8s, 238 /16s and 99 /24s
    Percentage of available RIPE address space announced:          77.0

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, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   13665
    Total LACNIC prefixes after maximum aggregation:               3937
    LACNIC Deaggregation factor:                                   3.47
Prefixes being announced from the LACNIC address blocks:          11753
    Unique aggregates announced from the LACNIC address blocks:    6844
LACNIC Region origin ASes present in the Internet Routing Table:    756
LACNIC Region origin ASes announcing only one prefix:               253
LACNIC Region transit ASes present in the Internet Routing Table:   132
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              36155136
    Equivalent to 2 /8s, 39 /16s and 175 /24s
    Percentage of available LACNIC address space announced:        53.9

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:                   2600
    Total AfriNIC prefixes after maximum aggregation:               978
    AfriNIC Deaggregation factor:                                  2.66
Prefixes being announced from the AfriNIC address blocks:          1856
    Unique aggregates announced from the AfriNIC address blocks:   1069
AfriNIC Region origin ASes present in the Internet Routing Table:   173
AfriNIC Region origin ASes announcing only one prefix:               52
AfriNIC Region transit ASes present in the Internet Routing Table:   32
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              5346816
    Equivalent to 0 /8s, 81 /16s and 150 /24s
    Percentage of available AfriNIC address space announced:       15.9

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     1264       8629         264   CHINANET-BACKBONE
 4755     1079        383          66   Videsh Sanchar Nigam Ltd. Aut
 9583     1035         99          66   Sify Limited
 9498      922        467          65   BHARTI BT INTERNET LTD.
 4538      865       2909          36   China Education and Research 
23577      772         34         701   KRNIC
 4766      761       4946         312   Korea Telecom (KIX)
 1221      613       1698         456   Telstra Pty Ltd
17488      571         36          23   Hathway IP Over Cable Interne
 7545      563        126          75   TPG Internet Pty Ltd
17676      503      10935          66   Softbank BB Corp.
18101      499         87          27   Reliance Infocom Ltd Internet
 4788      451        340          26   Telekom Malaysia
 9443      442        111          74   Primus Telecommunications
 4812      437        759          69   China Telecom (Shanghai)
 9942      437         85         131   COMindico Australia
 7474      381        211         236   SingTel Optus Pty Ltd
17974      374        129          12   PT TELEKOMUNIKASI INDONESIA
 4802      362         86         150   Wantree Development
17557      354         35         171   Pakistan Telecom

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      545       1912         424   UUNET - Commercial IP service
 3215      388       2136          96   France Telecom Transpac
24863      386         45          15   LINKdotNET AS number
 3301      304       1199         288   TeliaNet Sweden
 3320      296       4993         247   Deutsche Telekom AG
 8220      274        473         264   COLT Telecommunications
 6746      265         93         243   Dynamic Network Technologies,
  680      256       2042         250   DFN-IP service G-WiN
 1257      252       1069         173   SWIPnet Swedish IP Network
 5089      242       1657          52   NTL Group Limited
 8708      234        283         221   Romania Data Systems S.A.
 3269      211       2375          74   TELECOM ITALIA
 3246      209        354         196   Song Networks
30890      208         18          89   SC Kappa Invexim SRL
 5416      206         13           9   BATELCO-BH
 8551      197        197          24   Bezeq International
 3300      187        171          95   AUCS Communications Services 
20858      186         34           3   This AS will be used to conne
 3352      176       1767          31   Ibernet, Internet Access Netw
 5400      175        381         141   BT Ignite European Backbone

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4831       6674         745   UUNET Technologies, Inc. 
 7018     1544      10233         995   AT&T WorldNet Services
  705     1399        552         604   UUNET Technologies, Inc. 
 2386     1105        585         731   AT&T Data Communications Serv
 4323     1060        821         295   Time Warner Telecom
 6197     1021        639         505   BellSouth Network Solutions, 
18566      986        272           8   Covad Communications 
  174      936       6789         867   Cogent Communications
11492      911         99          14   Cable One 
 1239      827       2731         577   Sprint 
19262      804       2538         182   Verizon Global Networks 
 7046      798        267         657   UUNET Technologies, Inc. 
20115      775        678         420   Charter Communications 
  209      720       3748         566   Qwest 
22773      715       1744          41   Cox Communications, Inc.
 7011      704        210         440   Citizens Utilities 
  721      700      21836         284   DLA Systems Automation Center
  852      622       1093         394   Telus Advanced Communications
  577      575        760         213   Bell Advanced Communications 
 5668      571        161          19   CenturyTel Internet Holdings,

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

  ASN   No of nets  Net Savings Description
 4755      1079        1013      Videsh Sanchar Nigam Ltd. Aut
 4134      1264        1000      CHINANET-BACKBONE
18566       986         978      Covad Communications 
 9583      1035         969      Sify Limited
11492       911         897      Cable One 
 9498       922         857      BHARTI BT INTERNET LTD.
 4538       865         829      China Education and Research 
  705      1399         795      UUNET Technologies, Inc. 
 4323      1060         765      Time Warner Telecom
22773       715         674      Cox Communications, Inc.
 8151       841         644      UniNet S.A. de C.V. 
19262       804         622      Verizon Global Networks 
 5668       571         552      CenturyTel Internet Holdings,
 7018      1544         549      AT&T WorldNet Services
17488       571         548      Hathway IP Over Cable Interne
 6197      1021         516      BellSouth Network Solutions, 
19916       568         514      OLM LLC 
11830       504         495      Instituto Costarricense de El
 7545       563         488      TPG Internet Pty Ltd
18101       499         472      Reliance Infocom Ltd Internet

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

Bad AS  Designation  Network              Transit AS  Description
65515   PRIVATE       87.251.34.0/24       12859       Business Internet Tr
65515   PRIVATE       87.251.36.0/24       12859       Business Internet Tr
64512   PRIVATE       144.16.192.0/24       9583       Sify Limited
65422   PRIVATE       193.227.230.8/29     35731       Network Technology S
65414   PRIVATE       193.227.230.24/30    35731       Network Technology S
65422   PRIVATE       193.227.230.56/30    35731       Network Technology S
65418   PRIVATE       193.227.230.64/28    35731       Network Technology S
65413   PRIVATE       193.227.230.83/32    35731       Network Technology S
65420   PRIVATE       193.227.230.87/32    35731       Network Technology S
65413   PRIVATE       193.227.230.103/32   35731       Network Technology S
65422   PRIVATE       193.227.230.168/30   35731       Network Technology S
65404   PRIVATE       203.2.172.0/24        9466       UUNET Japan Limited
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
65515   PRIVATE       213.154.234.0/27     12859       Business Internet Tr
65517   PRIVATE       213.154.248.0/29     12859       Business Internet Tr
65517   PRIVATE       213.154.248.8/29     12859       Business Internet Tr
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
172.19.57.0/24        3596     Universidad Autonoma Metropol
192.0.2.0/24          2854     RoSprint AS (Global One Russi

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
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 
192.172.0.0/19         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        /8:19       /9:10      /10:13      /11:30      /12:118     
/13:240     /14:412     /15:810     /16:9141    /17:3714    /18:6057    
/19:13134   /20:14749   /21:13461   /22:17197   /23:18596   /24:117590  
/25:706     /26:526     /27:446     /28:191     /29:151     /30:468     
/31:0       /32:74      

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

  ASN   No of nets  Total ann.   Description
  701     3591          4831      UUNET Technologies, Inc. 
18566      969           986      Covad Communications 
11492      897           911      Cable One 
 9583      864          1035      Sify Limited
  705      860          1399      UUNET Technologies, Inc. 
 7018      839          1544      AT&T WorldNet Services
 2386      830          1105      AT&T Data Communications Serv
 6197      794          1021      BellSouth Network Solutions, 
23577      758           772      KRNIC
 7011      609           704      Citizens Utilities 
 9498      580           922      BHARTI BT INTERNET LTD.
 4766      569           761      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 7046      552           798      UUNET Technologies, Inc. 
 4538      533           865      China Education and Research 
 4755      497          1079      Videsh Sanchar Nigam Ltd. Aut
15270      465           497      PaeTec.net -a division of Pae
 5668      440           571      CenturyTel Internet Holdings,
  855      433           536      Canadian Research Network 
18101      433           499      Reliance Infocom Ltd Internet

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

   4:9         8:61        9:1        12:1670     13:1        15:15     
  16:3        17:3        18:5        20:36       24:873      25:1      
  32:176      38:274      40:56       41:57       44:2        47:10     
  52:4        55:1        56:3        57:52       58:308      59:397    
  60:196      61:976      62:1201     63:3330     64:3300     65:3633   
  66:3185     67:715      68:645      69:1726     70:412      71:129    
  72:1130     74:129      75:58       76:20       80:833      81:788    
  82:671      83:354      84:497      85:780      86:431      87:457    
  88:259      89:750      90:2        91:130      97:1       121:131    
 122:55      123:24      124:524     125:770     128:306     129:219    
 130:126     131:316     132:49      133:11      134:183     135:44     
 136:181     137:114     138:184     139:106     140:519     141:135    
 142:370     143:211     144:267     145:67      146:322     147:141    
 148:365     149:190     150:114     151:117     152:87      153:119    
 154:6       155:245     156:156     157:154     158:165     159:140    
 160:99      161:97      162:225     163:159     164:246     165:237    
 166:243     167:280     168:475     169:121     170:365     171:14     
 172:2       189:71      190:342     192:5786    193:3636    194:2944   
 195:2318    196:981     198:3924    199:3359    200:4639    201:951    
 202:7278    203:7332    204:4102    205:2227    206:2662    207:3137   
 208:3079    209:3679    210:2615    211:979     212:1357    213:1469   
 214:377     215:39      216:4242    217:1350    218:373     219:296    
 220:842     221:378     222:274    

End of report