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



Routing Table Report   00:00 GMT Sun 27 Aug, 2006

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

BGP routing table entries examined:                              210062
    Prefixes after maximum aggregation:                          109119
    Unique aggregates announced to Internet:                      95190
Total ASes present in the Internet Routing Table:                 23027
Origin-only ASes present in the Internet Routing Table:           20050
Origin ASes announcing only one prefix:                            9555
Transit ASes present in the Internet Routing Table:                2977
Transit-only ASes present in the Internet Routing Table:             69
Average AS path length visible in the Internet Routing Table:       3.4
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (36728)                               27
Prefixes from unregistered ASNs in the Routing Table:                27
    Unregistered ASNs in the Routing Table:                          18
Special use prefixes present in the Routing Table:                    6
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1577999805
    Equivalent to 94 /8s, 14 /16s and 93 /24s
    Percentage of available address space announced:               42.6
    Percentage of allocated address space announced:               61.6
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:      108334

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

Prefixes being announced by APNIC Region ASes:                    44401
    Total APNIC prefixes after maximum aggregation:               17473
Prefixes being announced from the APNIC address blocks:           41974
    Unique aggregates announced from the APNIC address blocks:    18268
APNIC Region origin ASes present in the Internet Routing Table:    2692
APNIC Region origin ASes announcing only one prefix:                754
APNIC Region transit ASes present in the Internet Routing Table:    411
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              261913728
    Equivalent to 15 /8s, 156 /16s and 124 /24s
    Percentage of available APNIC address space announced:         81.9

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:                    110343
    Total ARIN prefixes after maximum aggregation:                60428
Prefixes being announced from the ARIN address blocks:            82305
    Unique aggregates announced from the ARIN address blocks:     27424
ARIN Region origin ASes present in the Internet Routing Table:    10962
ARIN Region origin ASes announcing only one prefix:                4128
ARIN Region transit ASes present in the Internet Routing Table:    1001
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               296170593
    Equivalent to 17 /8s, 167 /16s and 52 /24s
    Percentage of available ARIN address space announced:          76.8

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

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

Prefixes being announced by RIPE Region ASes:                     40515
    Total RIPE prefixes after maximum aggregation:                26500
Prefixes being announced from the RIPE address blocks:            37819
    Unique aggregates announced from the RIPE address blocks:     24468
RIPE Region origin ASes present in the Internet Routing Table:     8427
RIPE Region origin ASes announcing only one prefix:                4396
RIPE Region transit ASes present in the Internet Routing Table:    1383
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          28
Number of RIPE addresses announced to Internet:               261880416
    Equivalent to 15 /8s, 155 /16s and 250 /24s
    Percentage of available RIPE address space announced:          82.2

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:                   12376
    Total LACNIC prefixes after maximum aggregation:               3772
Prefixes being announced from the LACNIC address blocks:          10403
    Unique aggregates announced from the LACNIC address blocks:    5980
LACNIC Region origin ASes present in the Internet Routing Table:    714
LACNIC Region origin ASes announcing only one prefix:               232
LACNIC Region transit ASes present in the Internet Routing Table:   128
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC addresses announced to Internet:              32251136
    Equivalent to 1 /8s, 236 /16s and 29 /24s
    Percentage of available LACNIC address space announced:        48.1

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:                   2401
    Total AfriNIC prefixes after maximum aggregation:               946
Prefixes being announced from the AfriNIC address blocks:          1673
    Unique aggregates announced from the AfriNIC address blocks:    999
AfriNIC Region origin ASes present in the Internet Routing Table:   163
AfriNIC Region origin ASes announcing only one prefix:               45
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:                       17
Number of AfriNIC addresses announced to Internet:              4216832
    Equivalent to 0 /8s, 64 /16s and 88 /24s
    Percentage of available AfriNIC address space announced:       12.6

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     1305       7966         240   CHINANET-BACKBONE
 4755      972        255          63   Videsh Sanchar Nigam Ltd. Aut
 9583      947        109          15   Sify Limited
 9498      802        211          71   BHARTI BT INTERNET LTD.
 4766      751       4435         309   Korea Telecom (KIX)
 1221      650       1779         479   Telstra Pty Ltd
 4538      597       2717          31   China Education and Research 
 7545      543        124          74   TPG Internet Pty Ltd
17488      522         32          18   Hathway IP Over Cable Interne
17676      497      10933          62   Softbank BB Corp.
 9443      450        111          83   Primus Telecommunications
18101      445         85          18   Reliance Infocom Ltd Internet
 4812      415        739          59   China Telecom (Shanghai)
17849      412         30         123   Telecommunications Technology
 4802      406         84         148   Wantree Development
17974      377        129          12   PT TELEKOMUNIKASI INDONESIA
 7474      359        211         230   SingTel Optus Pty Ltd
17557      358         29         167   Pakistan Telecom
 2907      338       1717         311   SINET Japan
 4837      320       3539         138   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      557       1947         438   UUNET - Commercial IP service
 3215      399       1760          97   France Telecom Transpac
 3301      315       1186         300   TeliaNet Sweden
 3320      297       5013         240   Deutsche Telekom AG
 8220      286        471         268   COLT Telecommunications
24863      254         42          11   LINKdotNET AS number
 1257      249        744         168   SWIPnet Swedish IP Network
  680      248       2041         244   DFN-IP service G-WiN
 6746      243         91         222   Dynamic Network Technologies,
 5089      237       1657          48   NTL Group Limited
 3246      231        462         221   Song Networks
 8708      216        278         203   Romania Data Systems S.A.
30890      203         18          84   SC Kappa Invexim SRL
 3269      202       2246          73   TELECOM ITALIA
 8551      202        182          27   Bezeq International
 6830      195        879          43   UPC Distribution Services
 8866      182         37          15   Bulgarian Telecommunication C
 5416      181         12           7   BATELCO-BH
 3300      174        171          95   AUCS Communications Services 
  786      171       1763         171   The JANET IP Service

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     5002       6796         786   UUNET Technologies, Inc. 
 4323     3215        768         288   Time Warner Telecom
 7018     1485       6267         964   AT&T WorldNet Services
  705     1478        556         649   UUNET Technologies, Inc. 
  174     1119       5754         885   Cogent Communications
 6197     1019        637         479   BellSouth Network Solutions, 
  721      998      21926         310   DLA Systems Automation Center
 2386      959        561         724   AT&T Data Communications Serv
18566      958        272           8   Covad Communications 
 1239      851       2799         602   Sprint 
 7046      822        250         680   UUNET Technologies, Inc. 
20115      736        658         385   Charter Communications 
19262      735       2268         189   Verizon Global Networks 
11492      728         90          16   Cable One 
22773      700       1744          43   Cox Communications, Inc.
  209      684       3641         539   Qwest 
 7011      667        207         422   Citizens Utilities 
  852      604       1068         384   Telus Advanced Communications
 6461      603        221          90   AboveNet Communications, Inc.
19916      563         49          54   OLM LLC 

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

  ASN   No of nets  Net Savings Description
 4323      3215        2927      Time Warner Telecom
 4134      1305        1065      CHINANET-BACKBONE
18566       958         950      Covad Communications 
 9583       947         932      Sify Limited
 4755       972         909      Videsh Sanchar Nigam Ltd. Aut
  705      1478         829      UUNET Technologies, Inc. 
 9498       802         731      BHARTI BT INTERNET LTD.
11492       728         712      Cable One 
  721       998         688      DLA Systems Automation Center
22773       700         657      Cox Communications, Inc.
 4538       597         566      China Education and Research 
 8151       790         563      UniNet S.A. de C.V. 
19262       735         546      Verizon Global Networks 
 6197      1019         540      BellSouth Network Solutions, 
 7018      1485         521      AT&T WorldNet Services
 5668       533         515      CenturyTel Internet Holdings,
 6461       603         513      AboveNet Communications, Inc.
19916       563         509      OLM LLC 
17488       522         504      Hathway IP Over Cable Interne
  855       559         489      Canadian Research Network 

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

Bad AS  Designation  Network              Transit AS  Description
64666   PRIVATE       2.2.2.0/24            8001       Net Access Corporati
65473   PRIVATE       66.246.179.0/24       8001       Net Access Corporati
64500   RESERVED      81.17.39.128/27      24587       AS for Internet Onli
65515   PRIVATE       87.251.34.0/24       12859       Business Internet Tr
65515   PRIVATE       87.251.36.0/24       12859       Business Internet Tr
65014   PRIVATE       135.196.176.96/27     8190       VIATEL 
65106   PRIVATE       195.219.161.0/27      6453       Teleglobe Inc. 
65517   PRIVATE       198.32.176.0/24        293       Energy Sciences Netw
65000   PRIVATE       199.133.62.0/24      10886       University of Maryla
65000   PRIVATE       199.133.63.0/24      10886       University of Maryla
65010   PRIVATE       203.117.213.0/24      9255       Singapore Telecom
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
64659   PRIVATE       210.184.109.0/24      9729       iAdvantage Limited
65010   PRIVATE       212.2.12.160/28       8190       VIATEL 
65016   PRIVATE       212.2.26.64/29        8190       VIATEL 
65016   PRIVATE       212.2.31.184/30       8190       VIATEL 
64565   PRIVATE       212.111.35.128/27     4513       PFM Communications, 
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
64560   PRIVATE       213.219.53.192/26     4513       PFM Communications, 
65013   PRIVATE       213.235.33.0/27       8190       VIATEL 
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 
192.0.2.0/24           812     Rogers WAVE 
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
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
192.249.0.0/20        3450     University of Tennessee, Knox

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       /10:13      /11:31      /12:103     
/13:217     /14:379     /15:742     /16:9007    /17:3505    /18:5725    
/19:12415   /20:14163   /21:12552   /22:16071   /23:17392   /24:115361  
/25:514     /26:479     /27:306     /28:225     /29:197     /30:521     
/31:0       /32:116     

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

  ASN   No of nets  Total ann.   Description
  701     3735          5002      UUNET Technologies, Inc. 
 4323     1905          3215      Time Warner Telecom
18566      941           958      Covad Communications 
  705      925          1478      UUNET Technologies, Inc. 
 6197      799          1019      BellSouth Network Solutions, 
 9583      778           947      Sify Limited
 7018      776          1485      AT&T WorldNet Services
11492      716           728      Cable One 
 2386      679           959      AT&T Data Communications Serv
 7046      584           822      UUNET Technologies, Inc. 
 7011      572           667      Citizens Utilities 
 4766      562           751      Korea Telecom (KIX)
19916      557           563      OLM LLC 
 6461      533           603      AboveNet Communications, Inc.
 2686      517           562      IBM 
 9498      480           802      BHARTI BT INTERNET LTD.
  855      436           559      Canadian Research Network 
15270      434           465      PaeTec.net -a division of Pae
 5668      416           533      CenturyTel Internet Holdings,
 4755      409           972      Videsh Sanchar Nigam Ltd. Aut

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

   2:1         4:9         8:49       12:1637     13:1        15:15     
  16:3        17:3        18:4        20:41       24:815      25:1      
  32:269      38:271      40:54       41:17       44:3        47:6      
  52:4        55:1        56:3        57:54       58:219      59:290    
  60:189      61:927      62:951      63:3389     64:3588     65:3625   
  66:3848     67:666      68:668      69:1618     70:390      71:89     
  72:887      73:2        74:77       75:6        80:804      81:704    
  82:711      83:391      84:411      85:608      86:397      87:440    
  88:169      89:417      91:1       121:17      122:6       123:1      
 124:347     125:612     128:166     129:204     130:122     131:315    
 132:37      133:9       134:161     135:48      136:177     137:85     
 138:215     139:137     140:523     141:134     142:389     143:192    
 144:239     145:41      146:325     147:141     148:354     149:179    
 150:114     151:116     152:75      153:117     154:6       155:210    
 156:173     157:180     158:164     159:174     160:93      161:88     
 162:219     163:166     164:276     165:227     166:184     167:240    
 168:599     169:128     170:361     171:14      189:2       190:204    
 192:5840    193:3423    194:2796    195:2191    196:941     198:4042   
 199:3382    200:4630    201:1060    202:6969    203:7179    204:4081   
 205:2175    206:2831    207:3612    208:3053    209:3886    210:2229   
 211:903     212:1358    213:1522    214:370     215:41      216:4419   
 217:1307    218:354     219:300     220:783     221:382     222:253    


End of report