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



Routing Table Report   00:00 GMT Mon 26 Jun, 2006

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

BGP routing table entries examined:                              204830
    Prefixes after maximum aggregation:                          107042
    Unique aggregates announced to Internet:                      93043
Total ASes present in the Internet Routing Table:                 22584
Origin-only ASes present in the Internet Routing Table:           19609
Origin ASes announcing only one prefix:                            9378
Transit ASes present in the Internet Routing Table:                2975
Transit-only ASes present in the Internet Routing Table:             72
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      36
    Max AS path prepend of ASN (33776)                               21
Prefixes from unregistered ASNs in the Routing Table:                18
    Unregistered ASNs in the Routing Table:                          15
Special use prefixes present in the Routing Table:                    5
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1540516309
    Equivalent to 91 /8s, 210 /16s and 105 /24s
    Percentage of available address space announced:               41.6
    Percentage of allocated address space announced:               60.1
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:      105288

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

Prefixes being announced by APNIC Region ASes:                    42114
    Total APNIC prefixes after maximum aggregation:               16999
Prefixes being announced from the APNIC address blocks:           39718
    Unique aggregates announced from the APNIC address blocks:    18592
APNIC Region origin ASes present in the Internet Routing Table:    2626
APNIC Region origin ASes announcing only one prefix:                746
APNIC Region transit ASes present in the Internet Routing Table:    404
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         19
Number of APNIC addresses announced to Internet:              231277220
    Equivalent to 13 /8s, 201 /16s and 2 /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, 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:                    108859
    Total ARIN prefixes after maximum aggregation:                59554
Prefixes being announced from the ARIN address blocks:            81171
    Unique aggregates announced from the ARIN address blocks:     26964
ARIN Region origin ASes present in the Internet Routing Table:    10807
ARIN Region origin ASes announcing only one prefix:                4073
ARIN Region transit ASes present in the Internet Routing Table:    1014
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               294650913
    Equivalent to 17 /8s, 144 /16s and 4 /24s
    Percentage of available ARIN address space announced:          76.4

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, 199/8, 204/6,
                       208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     39777
    Total RIPE prefixes after maximum aggregation:                25835
Prefixes being announced from the RIPE address blocks:            37159
    Unique aggregates announced from the RIPE address blocks:     23181
RIPE Region origin ASes present in the Internet Routing Table:     8216
RIPE Region origin ASes announcing only one prefix:                4278
RIPE Region transit ASes present in the Internet Routing Table:    1361
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               261124224
    Equivalent to 15 /8s, 144 /16s and 112 /24s
    Percentage of available RIPE address space announced:          81.9

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
                       40960-41983
RIPE Address Blocks    62/8, 80/5, 88/6, 193/8, 194/7, 212/7
                       and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   11759
    Total LACNIC prefixes after maximum aggregation:               3744
Prefixes being announced from the LACNIC address blocks:           9909
    Unique aggregates announced from the LACNIC address blocks:    5542
LACNIC Region origin ASes present in the Internet Routing Table:    702
LACNIC Region origin ASes announcing only one prefix:               234
LACNIC Region transit ASes present in the Internet Routing Table:   136
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              27760384
    Equivalent to 1 /8s, 167 /16s and 151 /24s
    Percentage of available LACNIC address space announced:        41.4

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:                   2304
    Total AfriNIC prefixes after maximum aggregation:               910
Prefixes being announced from the AfriNIC address blocks:          1547
    Unique aggregates announced from the AfriNIC address blocks:    941
AfriNIC Region origin ASes present in the Internet Routing Table:   161
AfriNIC Region origin ASes announcing only one prefix:               47
AfriNIC Region transit ASes present in the Internet Routing Table:   26
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC addresses announced to Internet:              4134400
    Equivalent to 0 /8s, 63 /16s and 22 /24s
    Percentage of available AfriNIC address space announced:       12.3

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     1179       6423         214   CHINANET-BACKBONE
 4755      925        256          72   Videsh Sanchar Nigam Ltd. Aut
 9583      908        109          15   Sify Limited
 4766      712       4435         308   Korea Telecom (KIX)
 9498      678        211          68   BHARTI BT INTERNET LTD.
 1221      650       1668         482   Telstra Pty Ltd
 7545      547        124          71   TPG Internet Pty Ltd
17488      519         32          10   Hathway IP Over Cable Interne
17676      489       7077         110   Softbank BB Corp.
 4538      465       2717          31   China Education and Research 
 9443      452        111          83   Primus Telecommunications
18101      419         85          24   Reliance Infocom Ltd Internet
17557      396         31         175   Pakistan Telecom
17974      385        129          14   PT TELEKOMUNIKASI INDONESIA
 4802      384         81         171   Wantree Development
 9929      377        254          65   China Netcom Corp.
 4780      367        225          27   Digital United Inc.
 7474      361        211         228   SingTel Optus Pty Ltd
 2907      341       1750         315   SINET Japan
 4804      305        295          58   Microplex PTY LTD

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      686       1951         450   UUNET - Commercial IP service
 3215      405       1720          96   France Telecom Transpac
 3301      312       1327         297   TeliaNet Sweden
 8551      307        198          24   Bezeq International
 3352      304       1643          30   Ibernet, Internet Access Netw
 3320      284       3988         239   Deutsche Telekom AG
 8220      282        471         266   COLT Telecommunications
  680      246       2041         243   DFN-IP service G-WiN
 6746      239         90         214   Dynamic Network Technologies,
 5089      234       1659          45   NTL Group Limited
 3246      230        463         220   Song Networks
 1257      221        741         165   SWIPnet Swedish IP Network
 8708      218        276         204   Romania Data Systems S.A.
24863      215         42          10   LINKdotNET AS number
 3269      201       2182          72   TELECOM ITALIA
30890      198         18          75   SC Kappa Invexim SRL
 8866      187         37          15   Bulgarian Telecommunication C
 6830      176        813          37   UPC Distribution Services
  786      170       1778         170   The JANET IP Service
 3300      169        171          97   AUCS Communications Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     5033       6752         776   UUNET Technologies, Inc. 
 4323     3145        744         265   Time Warner Telecom
  705     1562        575         687   UUNET Technologies, Inc. 
 7018     1480       6255         946   AT&T WorldNet Services
  721     1022      21998         314   DLA Systems Automation Center
 6197     1014        630         478   BellSouth Network Solutions, 
  174      963       5771         897   Cogent Communications
19029      946        151         108   New Edge Networks 
18566      945        272           8   Covad Communications 
 2386      912        560         706   AT&T Data Communications Serv
 1239      849       2797         600   Sprint 
 7046      844        253         700   UUNET Technologies, Inc. 
19262      714       2134         187   Verizon Global Networks 
20115      713        619         381   Charter Communications 
  209      694       3683         548   Qwest 
22773      668       1741          40   Cox Communications, Inc.
 7011      647        217         411   Citizens Utilities 
11492      639         87          23   Cable One 
 6461      608        227          83   AboveNet Communications, Inc.
  852      591       1084         378   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4323      3145        2880      Time Warner Telecom
 4134      1179         965      CHINANET-BACKBONE
18566       945         937      Covad Communications 
 9583       908         893      Sify Limited
  705      1562         875      UUNET Technologies, Inc. 
 4755       925         853      Videsh Sanchar Nigam Ltd. Aut
19029       946         838      New Edge Networks 
  721      1022         708      DLA Systems Automation Center
22773       668         628      Cox Communications, Inc.
11492       639         616      Cable One 
 9498       678         610      BHARTI BT INTERNET LTD.
 6197      1014         536      BellSouth Network Solutions, 
 7018      1480         534      AT&T WorldNet Services
19262       714         527      Verizon Global Networks 
 6461       608         525      AboveNet Communications, Inc.
19916       563         509      OLM LLC 
17488       519         509      Hathway IP Over Cable Interne
 5668       525         502      CenturyTel Internet Holdings,
  855       553         489      Canadian Research Network 
 8151       705         484      UniNet S.A. de C.V. 

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

Bad AS  Designation  Network              Transit AS  Description
64666   PRIVATE       2.2.2.0/24            8001       Net Access Corporati
65000   PRIVATE       64.25.139.64/29      21947       Cutthroat Communicat
65473   PRIVATE       66.246.179.0/24       8001       Net Access Corporati
64500   RESERVED      81.17.39.128/27      24587       AS for Internet Onli
65516   PRIVATE       84.222.96.0/22        3257       Tiscali Intl Network
64704   PRIVATE       86.70.139.0/24       34383       TELOISE
65517   PRIVATE       198.32.176.0/24        293       Energy Sciences Netw
65535   PRIVATE       200.32.160.0/21       6429       AT&T Chile Internet 
65535   PRIVATE       200.32.168.0/23       6429       AT&T Chile Internet 
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
65010   PRIVATE       212.2.12.160/28       8190       VIATEL 
64565   PRIVATE       212.111.35.128/27     4513       PFM Communications, 
64560   PRIVATE       213.219.53.192/26     4513       PFM Communications, 
65000   PRIVATE       216.136.11.0/24      27182       Peregrine Capital Ma
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
0.0.0.0/8             3303     Swisscom Ltd
172.16.2.32/27        6325     Illinois Century Network 
172.16.2.80/28        6325     Illinois Century Network 
172.31.31.0/30        6325     Illinois Century Network 
192.168.83.0/24        292     Energy Sciences Network 

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

Network            Origin AS  Description
2.2.2.0/24           64666     PRIVATE ASN
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
183.206.196.0/24      2188     FR-RENATER-ASTER
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 
192.84.205.0/24        719     LANLINK autonomous system
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       /9:9       /10:10      /11:28      /12:91      
/13:205     /14:360     /15:717     /16:8874    /17:3297    /18:5505    
/19:12016   /20:13649   /21:12233   /22:15521   /23:16792   /24:113422  
/25:465     /26:350     /27:282     /28:206     /29:219     /30:464     
/31:0       /32:96      

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

  ASN   No of nets  Total ann.   Description
  701     3778          5033      UUNET Technologies, Inc. 
 4323     1870          3145      Time Warner Telecom
  705     1001          1562      UUNET Technologies, Inc. 
18566      928           945      Covad Communications 
19029      878           946      New Edge Networks 
 6197      796          1014      BellSouth Network Solutions, 
 7018      786          1480      AT&T WorldNet Services
 9583      738           908      Sify Limited
 2386      634           912      AT&T Data Communications Serv
11492      630           639      Cable One 
 7046      597           844      UUNET Technologies, Inc. 
19916      557           563      OLM LLC 
 7011      556           647      Citizens Utilities 
 6461      536           608      AboveNet Communications, Inc.
 4766      524           712      Korea Telecom (KIX)
  702      470           686      UUNET - Commercial IP service
 2686      459           504      IBM 
  855      427           553      Canadian Research Network 
 5668      408           525      CenturyTel Internet Holdings,
15270      407           438      PaeTec.net -a division of Pae

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

   2:1         4:9         8:42       12:1631     13:1        15:16     
  16:3        17:3        18:4        20:41       24:770      25:1      
  30:2        32:246      38:231      40:54       41:3        44:3      
  47:6        52:4        55:1        56:3        57:46       58:184    
  59:258      60:184      61:873      62:1024     63:3432     64:3581   
  65:3619     66:3738     67:639      68:687      69:1542     70:399    
  71:82       72:776      74:44       75:1        80:778      81:647    
  82:684      83:400      84:388      85:572      86:387      87:373    
  88:110      89:302     121:1       122:2       123:1       124:296    
 125:517     128:159     129:185     130:119     131:318     132:34     
 133:9       134:156     135:48      136:172     137:83      138:206    
 139:145     140:523     141:134     142:401     143:168     144:223    
 145:39      146:318     147:140     148:340     149:191     150:114    
 151:94      152:72      153:106     154:6       155:204     156:183    
 157:148     158:166     159:173     160:91      161:81      162:244    
 163:157     164:226     165:216     166:173     167:237     168:606    
 169:128     170:349     171:14      183:1       190:96      192:5848   
 193:3370    194:2756    195:2082    196:877     198:4088    199:3297   
 200:4632    201:1002    202:6857    203:7101    204:4094    205:2165   
 206:2793    207:3552    208:2973    209:4178    210:2116    211:744    
 212:1433    213:1586    214:361     215:41      216:4585    217:1389   
 218:311     219:265     220:719     221:370     222:199    

End of report