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



Routing Table Report   00:00 GMT Tue 04 Jul, 2006

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

BGP routing table entries examined:                              204611
    Prefixes after maximum aggregation:                          107352
    Unique aggregates announced to Internet:                      93855
Total ASes present in the Internet Routing Table:                 22669
Origin-only ASes present in the Internet Routing Table:           19688
Origin ASes announcing only one prefix:                            9435
Transit ASes present in the Internet Routing Table:                2981
Transit-only ASes present in the Internet Routing Table:             72
Average AS path length visible in the Internet Routing Table:       3.4
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (32609)                               16
Prefixes from unregistered ASNs in the Routing Table:                40
    Unregistered ASNs in the Routing Table:                          20
Special use prefixes present in the Routing Table:                    5
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1539189941
    Equivalent to 91 /8s, 190 /16s and 44 /24s
    Percentage of available address space announced:               41.5
    Percentage of allocated address space announced:               60.1
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:      104819

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

Prefixes being announced by APNIC Region ASes:                    42474
    Total APNIC prefixes after maximum aggregation:               17103
Prefixes being announced from the APNIC address blocks:           40082
    Unique aggregates announced from the APNIC address blocks:    18468
APNIC Region origin ASes present in the Internet Routing Table:    2626
APNIC Region origin ASes announcing only one prefix:                738
APNIC Region transit ASes present in the Internet Routing Table:    405
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         19
Number of APNIC addresses announced to Internet:              234913700
    Equivalent to 14 /8s, 0 /16s and 127 /24s
    Percentage of available APNIC address space announced:         73.5

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:                    108225
    Total ARIN prefixes after maximum aggregation:                59611
Prefixes being announced from the ARIN address blocks:            80562
    Unique aggregates announced from the ARIN address blocks:     27049
ARIN Region origin ASes present in the Internet Routing Table:    10841
ARIN Region origin ASes announcing only one prefix:                4090
ARIN Region transit ASes present in the Internet Routing Table:    1013
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               295093537
    Equivalent to 17 /8s, 150 /16s and 197 /24s
    Percentage of available ARIN address space announced:          76.5

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

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

Prefixes being announced by RIPE Region ASes:                     39815
    Total RIPE prefixes after maximum aggregation:                25964
Prefixes being announced from the RIPE address blocks:            37220
    Unique aggregates announced from the RIPE address blocks:     23950
RIPE Region origin ASes present in the Internet Routing Table:     8264
RIPE Region origin ASes announcing only one prefix:                4324
RIPE Region transit ASes present in the Internet Routing Table:    1360
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               255298176
    Equivalent to 15 /8s, 55 /16s and 138 /24s
    Percentage of available RIPE address space announced:          80.1

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:                   11698
    Total LACNIC prefixes after maximum aggregation:               3754
Prefixes being announced from the LACNIC address blocks:           9826
    Unique aggregates announced from the LACNIC address blocks:    5601
LACNIC Region origin ASes present in the Internet Routing Table:    707
LACNIC Region origin ASes announcing only one prefix:               240
LACNIC Region transit ASes present in the Internet Routing Table:   138
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              28070144
    Equivalent to 1 /8s, 172 /16s and 81 /24s
    Percentage of available LACNIC address space announced:        41.8

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:                   2360
    Total AfriNIC prefixes after maximum aggregation:               920
Prefixes being announced from the AfriNIC address blocks:          1576
    Unique aggregates announced from the AfriNIC address blocks:    947
AfriNIC Region origin ASes present in the Internet Routing Table:   159
AfriNIC Region origin ASes announcing only one prefix:               43
AfriNIC Region transit ASes present in the Internet Routing Table:   25
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC addresses announced to Internet:              4159488
    Equivalent to 0 /8s, 63 /16s and 120 /24s
    Percentage of available AfriNIC address space announced:       12.4

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     1245       7246         223   CHINANET-BACKBONE
 4755      925        256          67   Videsh Sanchar Nigam Ltd. Aut
 9583      917        109          15   Sify Limited
 4766      714       4435         309   Korea Telecom (KIX)
 9498      684        211          68   BHARTI BT INTERNET LTD.
 1221      649       1668         480   Telstra Pty Ltd
 7545      548        124          74   TPG Internet Pty Ltd
17488      519         32          17   Hathway IP Over Cable Interne
 4538      497       2717          31   China Education and Research 
17676      490       7093         110   Softbank BB Corp.
 9443      452        111          83   Primus Telecommunications
18101      421         85          24   Reliance Infocom Ltd Internet
17849      389         28         122   Telecommunications Technology
17974      384        129          14   PT TELEKOMUNIKASI INDONESIA
17557      382         30         172   Pakistan Telecom
 4802      380         81         167   Wantree Development
 9929      377        254          65   China Netcom Corp.
 7474      362        211         229   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      667       1948         445   UUNET - Commercial IP service
 3215      406       1728          96   France Telecom Transpac
 3301      312       1327         297   TeliaNet Sweden
 3352      305       1643          30   Ibernet, Internet Access Netw
 8220      283        471         266   COLT Telecommunications
 3320      282       3988         237   Deutsche Telekom AG
  680      241       2040         238   DFN-IP service G-WiN
 5089      236       1659          45   NTL Group Limited
 6746      232         89         207   Dynamic Network Technologies,
 3246      231        463         221   Song Networks
 1257      222        741         166   SWIPnet Swedish IP Network
 8708      215        276         204   Romania Data Systems S.A.
24863      215         42          10   LINKdotNET AS number
 8551      209        198          29   Bezeq International
 3269      202       2184          73   TELECOM ITALIA
30890      199         18          78   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      170        171          97   AUCS Communications Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     5022       6754         776   UUNET Technologies, Inc. 
 4323     3175        748         269   Time Warner Telecom
  705     1544        573         677   UUNET Technologies, Inc. 
 7018     1491       6270         952   AT&T WorldNet Services
 6197     1016        636         478   BellSouth Network Solutions, 
  721     1015      21998         314   DLA Systems Automation Center
  174      953       5738         885   Cogent Communications
18566      945        272           8   Covad Communications 
 2386      919        561         713   AT&T Data Communications Serv
 7046      843        253         699   UUNET Technologies, Inc. 
 1239      838       2783         595   Sprint 
19262      720       2168         188   Verizon Global Networks 
20115      713        619         381   Charter Communications 
  209      694       3681         547   Qwest 
22773      667       1741          37   Cox Communications, Inc.
 7011      650        218         413   Citizens Utilities 
11492      642         89          10   Cable One 
 6461      609        227          84   AboveNet Communications, Inc.
 6198      600        568         237   BellSouth Network Solutions, 
  852      595       1084         380   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4323      3175        2906      Time Warner Telecom
 4134      1245        1022      CHINANET-BACKBONE
18566       945         937      Covad Communications 
 9583       917         902      Sify Limited
  705      1544         867      UUNET Technologies, Inc. 
 4755       925         858      Videsh Sanchar Nigam Ltd. Aut
  721      1015         701      DLA Systems Automation Center
11492       642         632      Cable One 
22773       667         630      Cox Communications, Inc.
 9498       684         616      BHARTI BT INTERNET LTD.
 7018      1491         539      AT&T WorldNet Services
 6197      1016         538      BellSouth Network Solutions, 
19262       720         532      Verizon Global Networks 
 6461       609         525      AboveNet Communications, Inc.
19916       563         509      OLM LLC 
 5668       529         506      CenturyTel Internet Holdings,
17488       519         502      Hathway IP Over Cable Interne
  855       568         499      Canadian Research Network 
 8151       700         483      UniNet S.A. de C.V. 
 7545       548         474      TPG Internet Pty Ltd

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
65007   PRIVATE       84.204.244.0/24      20632       PETERSTAR Autonomous
65007   PRIVATE       84.204.245.0/24      20632       PETERSTAR Autonomous
65007   PRIVATE       84.204.246.0/24      20632       PETERSTAR Autonomous
65007   PRIVATE       84.204.247.0/24      20632       PETERSTAR Autonomous
65007   PRIVATE       84.204.248.0/24      20632       PETERSTAR Autonomous
65007   PRIVATE       84.204.249.0/24      20632       PETERSTAR Autonomous
64513   PRIVATE       164.78.0.0/17         7610       SINGAPORE ADVANCE RE
64513   PRIVATE       164.78.0.0/16         7610       SINGAPORE ADVANCE RE
64513   PRIVATE       164.78.128.0/17       7610       SINGAPORE ADVANCE RE
64513   PRIVATE       164.78.247.0/24       7610       SINGAPORE ADVANCE RE
64513   PRIVATE       164.78.248.0/24       7610       SINGAPORE ADVANCE RE
64513   PRIVATE       164.78.249.0/24       7610       SINGAPORE ADVANCE RE
64513   PRIVATE       164.78.252.0/24       7610       SINGAPORE ADVANCE RE
65005   PRIVATE       192.54.34.0/23         680       DFN-IP service G-WiN
65005   PRIVATE       192.76.241.0/24        680       DFN-IP service G-WiN
65005   PRIVATE       192.76.245.0/24        680       DFN-IP service G-WiN
65005   PRIVATE       192.76.246.0/23        680       DFN-IP service G-WiN
65005   PRIVATE       192.76.248.0/24        680       DFN-IP service G-WiN
65530   PRIVATE       192.147.68.0/24       2901       New Mexico Technet 
65128   PRIVATE       193.110.50.0/24      24652       Juniper Networks, Eu
65106   PRIVATE       195.219.161.0/27      6453       Teleglobe Inc. 
65000   PRIVATE       199.133.62.0/24      10886       University of Maryla
65000   PRIVATE       199.133.63.0/24      10886       University of Maryla
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
65500   PRIVATE       204.147.94.0/24         57       University of Minnes
65500   PRIVATE       205.215.222.0/24        57       University of Minnes
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        /8:18       /9:9       /10:10      /11:28      /12:93      
/13:207     /14:364     /15:718     /16:8887    /17:3347    /18:5537    
/19:12082   /20:13771   /21:12316   /22:15536   /23:16837   /24:112755  
/25:467     /26:352     /27:281     /28:212     /29:210     /30:475     
/31:0       /32:99      

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

  ASN   No of nets  Total ann.   Description
  701     3771          5022      UUNET Technologies, Inc. 
 4323     1883          3175      Time Warner Telecom
  705      983          1544      UUNET Technologies, Inc. 
18566      928           945      Covad Communications 
 6197      796          1016      BellSouth Network Solutions, 
 7018      791          1491      AT&T WorldNet Services
 9583      747           917      Sify Limited
 2386      636           919      AT&T Data Communications Serv
11492      630           642      Cable One 
 7046      598           843      UUNET Technologies, Inc. 
 7011      559           650      Citizens Utilities 
19916      557           563      OLM LLC 
 6461      536           609      AboveNet Communications, Inc.
 4766      525           714      Korea Telecom (KIX)
  702      452           667      UUNET - Commercial IP service
  855      447           568      Canadian Research Network 
 2686      446           491      IBM 
 6198      442           600      BellSouth Network Solutions, 
 5668      412           529      CenturyTel Internet Holdings,
15270      409           440      PaeTec.net -a division of Pae

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

   2:1         4:9         8:41       12:1627     13:1        15:16     
  16:3        17:3        18:4        20:41       24:774      25:1      
  30:2        32:233      38:228      40:54       41:2        43:16     
  44:3        47:6        52:4        55:1        56:3        57:46     
  58:191      59:272      60:189      61:860      62:931      63:3420   
  64:3547     65:3666     66:3728     67:639      68:677      69:1542   
  70:389      71:85       72:798      74:52       75:1        80:798    
  81:659      82:687      83:391      84:392      85:577      86:388    
  87:397      88:110      89:312     121:1       122:2       123:1      
 124:267     125:528     128:151     129:189     130:120     131:313    
 132:35      133:8       134:160     135:48      136:178     137:84     
 138:204     139:138     140:491     141:134     142:407     143:168    
 144:224     145:39      146:320     147:142     148:341     149:194    
 150:114     151:94      152:72      153:106     154:6       155:206    
 156:184     157:148     158:167     159:174     160:91      161:80     
 162:244     163:158     164:231     165:222     166:172     167:243    
 168:611     169:128     170:352     171:14      183:1       190:82     
 192:5825    193:3381    194:2751    195:2114    196:896     198:4092   
 199:3303    200:4502    201:999     202:6895    203:7089    204:4080   
 205:2169    206:2797    207:3561    208:2987    209:3807    210:2125   
 211:751     212:1398    213:1592    214:343     215:41      216:4368   
 217:1392    218:311     219:282     220:734     221:367     222:199    


End of report