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



Routing Table Report   00:00 GMT Fri 09 Nov, 2007

NB: RouteViews data includes iBGP information from some ASNs.
    Treat the information provided below appropriately.

Report Website: http://thyme.apnic.net
This report:    http://thyme.apnic.net/oix-data/2007/11/09

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

BGP routing table entries examined:                              244638
    Prefixes after maximum aggregation:                          123397
    Deaggregation factor:                                          1.98
    Unique aggregates announced to Internet:                     115604
Total ASes present in the Internet Routing Table:                 26707
    Prefixes per ASN:                                              9.16
Origin-only ASes present in the Internet Routing Table:           23139
Origin ASes announcing only one prefix:                           11296
Transit ASes present in the Internet Routing Table:                3568
Transit-only ASes present in the Internet Routing Table:             90
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (35389)                               25
Prefixes from unregistered ASNs in the Routing Table:                24
    Unregistered ASNs in the Routing Table:                          12
Prefixes from 32-bit ASNs in the Routing Table:                       9
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1789631688
    Equivalent to 106 /8s, 171 /16s and 156 /24s
    Percentage of available address space announced:               48.3
    Percentage of allocated address space announced:               61.8
    Percentage of available address space allocated:               78.2
Total number of prefixes smaller than registry allocations:      114179

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

Prefixes being announced by APNIC Region ASes:                    59398
    Total APNIC prefixes after maximum aggregation:               21372
    APNIC Deaggregation factor:                                    2.78
Prefixes being announced from the APNIC address blocks:           56181
    Unique aggregates announced from the APNIC address blocks:    23126
APNIC Region origin ASes present in the Internet Routing Table:    3090
    APNIC Prefixes per ASN:                                       18.18
APNIC Region origin ASes announcing only one prefix:                799
APNIC Region transit ASes present in the Internet Routing Table:    477
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         20
Number of APNIC addresses announced to Internet:              323938740
    Equivalent to 19 /8s, 78 /16s and 233 /24s
    Percentage of available APNIC address space announced:         74.1

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, 114/7, 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:                    113253
    Total ARIN prefixes after maximum aggregation:                64275
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            83540
    Unique aggregates announced from the ARIN address blocks:     32638
ARIN Region origin ASes present in the Internet Routing Table:    11945
    ARIN Prefixes per ASN:                                         6.99
ARIN Region origin ASes announcing only one prefix:                4591
ARIN Region transit ASes present in the Internet Routing Table:    1179
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          22
Number of ARIN addresses announced to Internet:               352463520
    Equivalent to 21 /8s, 2 /16s and 42 /24s
    Percentage of available ARIN address space announced:          77.8

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, 96/6, 199/8, 204/6,
                       208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes:                     50663
    Total RIPE prefixes after maximum aggregation:                32030
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            47553
    Unique aggregates announced from the RIPE address blocks:     30637
RIPE Region origin ASes present in the Internet Routing Table:    10496
    RIPE Prefixes per ASN:                                         4.53
RIPE Region origin ASes announcing only one prefix:                5555
RIPE Region transit ASes present in the Internet Routing Table:    1669
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          28
Number of RIPE addresses announced to Internet:               335911204
    Equivalent to 20 /8s, 5 /16s and 153 /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
                       40960-45055
RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                       and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   17956
    Total LACNIC prefixes after maximum aggregation:               4594
    LACNIC Deaggregation factor:                                   3.91
Prefixes being announced from the LACNIC address blocks:          15671
    Unique aggregates announced from the LACNIC address blocks:    8655
LACNIC Region origin ASes present in the Internet Routing Table:    869
    LACNIC Prefixes per ASN:                                      18.03
LACNIC Region origin ASes announcing only one prefix:               280
LACNIC Region transit ASes present in the Internet Routing Table:   152
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC addresses announced to Internet:              45933568
    Equivalent to 2 /8s, 188 /16s and 228 /24s
    Percentage of available LACNIC address space announced:        45.6

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   3335
    Total AfriNIC prefixes after maximum aggregation:              1108
    AfriNIC Deaggregation factor:                                  3.01
Prefixes being announced from the AfriNIC address blocks:          2452
    Unique aggregates announced from the AfriNIC address blocks:   1407
AfriNIC Region origin ASes present in the Internet Routing Table:   216
    AfriNIC Prefixes per ASN:                                     11.35
AfriNIC Region origin ASes announcing only one prefix:               71
AfriNIC Region transit ASes present in the Internet Routing Table:   39
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC addresses announced to Internet:              7629824
    Equivalent to 0 /8s, 116 /16s and 108 /24s
    Percentage of available AfriNIC address space announced:       22.7

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
 4538     2774       2974          35   China Education and Research 
 4134     1722      11563         301   CHINANET-BACKBONE
 4755     1482        383          69   Videsh Sanchar Nigam Ltd. Aut
 9583     1100         81         418   Sify Limited
 9498     1046        549          64   BHARTI BT INTERNET LTD.
23577      906         34         785   Korea Telecom (ATM-MPLS)
17488      874         57          69   Hathway IP Over Cable Interne
 4766      815       5473         327   Korea Telecom (KIX)
 7545      728        159         123   TPG Internet Pty Ltd
18101      608        119          52   Reliance Infocom Ltd Internet
 1221      590       1951         435   Telstra Pty Ltd
 9829      530       1312           9   BSNL National Internet Backbo
 4812      524        866          77   China Telecom (Shanghai)
 4668      521         68          10   LG-EDS Systems Inc.
17676      504      10919          64   Softbank BB Corp.
 4808      491        786         115   CNCGROUP IP network: China169
 4802      481        130         141   Wantree Development
 7474      458        202         269   SingTel Optus Pty Ltd
 9443      440        121          71   Primus Telecommunications
 9942      421         76         111   COMindico Australia

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      470       1917         383   UUNET - Commercial IP service
 8551      348        334          33   Bezeq International
 9116      334        168          28   Goldenlines main autonomous s
 3301      316       1441         293   TeliaNet Sweden
 3320      316       6035         262   Deutsche Telekom AG
 1273      283        307         107   Cable & Wireless Deutschland 
 8708      274        421         245   Romania Data Systems S.A.
 6746      273        130         251   Dynamic Network Technologies,
  680      268       2045         254   DFN-IP service G-WiN
 8866      267         62          25   Bulgarian Telecommunication C
 3215      263       2503          98   France Telecom Transpac
 8220      255        440         236   COLT Telecommunications
 5089      238       1666          54   NTL Group Limited
 8452      238        188           7   TEDATA
 3352      235       1932          41   Ibernet, Internet Access Netw
 3269      228       2935          75   TELECOM ITALIA
 3300      222        171          96   AUCS Communications Services 
 9121      213       1442          25   TTnet Autonomous System
 1257      207       1195         177   SWIPnet Swedish IP Network
 5462      206        538          26   Telewest Broadband

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1488       6137         996   AT&T WorldNet Services
 4323     1360       1014         359   Time Warner Telecom
 2386     1258        614         779   AT&T Data Communications Serv
11492     1165        120          50   Cable One 
 6478     1121        329         184   AT&T Worldnet Services 
 6197     1031        718         508   BellSouth Network Solutions, 
18566     1030        288           9   Covad Communications 
  174      983       6882         847   Cogent Communications
 7011      979        290         562   Citizens Utilities 
  701      898       6566         704   UUNET Technologies, Inc. 
20115      846        772         458   Charter Communications 
 3561      814       2341         376   Savvis
22773      805       2133          54   Cox Communications, Inc.
19262      804       2893         187   Verizon Global Networks 
 1239      797       2689         556   Sprint 
 3356      797      10877         405   Level 3 Communications, LLC 
  209      731       3784         574   Qwest 
 5668      662        176          17   CenturyTel Internet Holdings,
15270      598        161          41   PaeTec.net -a division of Pae
  852      595       1109         359   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4134      1722        1421      CHINANET-BACKBONE
 4755      1482        1413      Videsh Sanchar Nigam Ltd. Aut
11492      1165        1115      Cable One 
18566      1030        1021      Covad Communications 
 4323      1360        1001      Time Warner Telecom
 9498      1046         982      BHARTI BT INTERNET LTD.
 8151      1165         946      UniNet S.A. de C.V. 
 6478      1121         937      AT&T Worldnet Services 
17488       874         805      Hathway IP Over Cable Interne
22773       805         751      Cox Communications, Inc.
 9583      1100         682      Sify Limited
 5668       662         645      CenturyTel Internet Holdings,
19262       804         617      Verizon Global Networks 
 7545       728         605      TPG Internet Pty Ltd
15270       598         557      PaeTec.net -a division of Pae
18101       608         556      Reliance Infocom Ltd Internet
 6517       584         551      Yipes Communications, Inc. 
 6197      1031         523      BellSouth Network Solutions, 
19916       569         522      OLM LLC 
 9829       530         521      BSNL National Internet Backbo

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

Bad AS  Designation  Network              Transit AS  Description
65068   PRIVATE       79.171.184.0/21      43895       *
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
64718   PRIVATE       81.200.197.0/24      25325       AS of Deutsche Bahn 
64718   PRIVATE       81.200.198.0/23      25325       AS of Deutsche Bahn 
64719   PRIVATE       81.200.204.0/24      25325       AS of Deutsche Bahn 
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65100   PRIVATE       193.253.152.0/24      3215       France Telecom Trans
64532   PRIVATE       195.22.48.64/27       6721       The Terminal Bar: In
65002   PRIVATE       198.128.4.0/24         292       Energy Sciences Netw
65001   PRIVATE       198.128.15.96/27       293       Energy Sciences Netw
65002   PRIVATE       198.129.33.36/32       292       Energy Sciences Netw
65001   PRIVATE       198.129.44.28/32       293       Energy Sciences Netw
65002   PRIVATE       198.129.224.96/29      292       Energy Sciences Netw
65002   PRIVATE       198.129.252.32/30      292       Energy Sciences Netw
65002   PRIVATE       198.129.252.112/30     292       Energy Sciences Netw
65002   PRIVATE       198.129.252.116/30     292       Energy Sciences Netw
65002   PRIVATE       198.129.252.120/30     292       Energy Sciences Netw
65300   PRIVATE       216.243.221.0/24     11320       Internet Express, In
65300   PRIVATE       216.243.222.0/24     11320       Internet Express, In
65300   PRIVATE       216.243.223.0/24     11320       Internet Express, In
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
172.31.46.0/24       38416     KRNIC
192.0.2.0/24          2854     RoSprint AS (Global One Russi
192.168.253.0/24      4323     Time Warner Telecom

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
172.14.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
172.15.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
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        /8:18       /9:9       /10:16      /11:39      /12:136     
/13:275     /14:492     /15:965     /16:9811    /17:4285    /18:6911    
/19:15060   /20:17800   /21:16060   /22:20324   /23:21370   /24:127413  
/25:956     /26:1137    /27:621     /28:282     /29:234     /30:348     
/31:0       /32:76      

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

  ASN   No of nets  Total ann.   Description
11492     1156          1165      Cable One 
 6478     1120          1121      AT&T Worldnet Services 
18566     1012          1030      Covad Communications 
 2386      948          1258      AT&T Data Communications Serv
 9583      945          1100      Sify Limited
 4538      931          2774      China Education and Research 
23577      897           906      Korea Telecom (ATM-MPLS)
 7011      866           979      Citizens Utilities 
 4755      850          1482      Videsh Sanchar Nigam Ltd. Aut
 7018      819          1488      AT&T WorldNet Services
 6197      775          1031      BellSouth Network Solutions, 
 9498      730          1046      BHARTI BT INTERNET LTD.
17488      689           874      Hathway IP Over Cable Interne
 4766      606           815      Korea Telecom (KIX)
 4323      573          1360      Time Warner Telecom
19916      564           569      OLM LLC 
15270      560           598      PaeTec.net -a division of Pae
 4134      545          1722      CHINANET-BACKBONE
 6517      540           584      Yipes Communications, Inc. 
 5668      520           662      CenturyTel Internet Holdings,

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

   4:9         8:90       12:1831     13:1        15:19       16:3      
  17:6        18:13       20:35       24:1020     25:1        32:174    
  33:3        38:358      40:64       41:386      43:6        44:2      
  47:8        52:3        55:3        56:3        57:43       58:518    
  59:434      60:384      61:1037     62:992      63:1996     64:3392   
  65:2439     66:3621     67:907      68:688      69:2032     70:484    
  71:121      72:1433     73:7        74:754      75:323      76:165    
  77:419      78:271      79:11       80:883      81:827      82:596    
  83:363      84:622      85:822      86:358      87:586      88:279    
  89:1028     90:38       91:732      92:5        96:1        97:6      
  98:12      116:428     117:207     118:42      121:339     122:643    
 123:206     124:707     125:1118    128:310     129:196     130:141    
 131:368     132:62      133:9       134:194     135:34      136:190    
 137:86      138:152     139:105     140:516     141:145     142:373    
 143:256     144:321     145:50      146:326     147:127     148:547    
 149:186     150:170     151:137     152:94      153:121     154:12     
 155:260     156:164     157:224     158:160     159:194     160:129    
 161:100     162:191     163:184     164:505     165:399     166:302    
 167:309     168:518     169:129     170:417     171:24      172:6      
 189:114     190:1192    192:5762    193:4080    194:3284    195:2560   
 196:990     198:3883    199:3233    200:5196    201:1237    202:7931   
 203:7884    204:3988    205:2006    206:2445    207:2807    208:2952   
 209:3630    210:2818    211:1205    212:1328    213:1548    214:446    
 215:44      216:4145    217:1196    218:429     219:468     220:1017   
 221:447     222:348    

End of report