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



Routing Table Report   00:00 GMT Mon 12 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/2007/11/12

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

BGP routing table entries examined:                              244912
    Prefixes after maximum aggregation:                          123360
    Deaggregation factor:                                          1.99
    Unique aggregates announced to Internet:                     115712
Total ASes present in the Internet Routing Table:                 26694
    Prefixes per ASN:                                              9.17
Origin-only ASes present in the Internet Routing Table:           23146
Origin ASes announcing only one prefix:                           11280
Transit ASes present in the Internet Routing Table:                3548
Transit-only ASes present in the Internet Routing Table:             91
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:                          11
Prefixes from 32-bit ASNs in the Routing Table:                       9
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1790172464
    Equivalent to 106 /8s, 179 /16s and 221 /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:      114356

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

Prefixes being announced by APNIC Region ASes:                    59473
    Total APNIC prefixes after maximum aggregation:               21369
    APNIC Deaggregation factor:                                    2.78
Prefixes being announced from the APNIC address blocks:           56264
    Unique aggregates announced from the APNIC address blocks:    23152
APNIC Region origin ASes present in the Internet Routing Table:    3088
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:                795
APNIC Region transit ASes present in the Internet Routing Table:    478
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         19
Number of APNIC addresses announced to Internet:              324033980
    Equivalent to 19 /8s, 80 /16s and 93 /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:                    113406
    Total ARIN prefixes after maximum aggregation:                64242
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:            83648
    Unique aggregates announced from the ARIN address blocks:     32712
ARIN Region origin ASes present in the Internet Routing Table:    11945
    ARIN Prefixes per ASN:                                         7.00
ARIN Region origin ASes announcing only one prefix:                4596
ARIN Region transit ASes present in the Internet Routing Table:    1173
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          21
Number of ARIN addresses announced to Internet:               352905120
    Equivalent to 21 /8s, 8 /16s and 231 /24s
    Percentage of available ARIN address space announced:          77.9

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:                     50610
    Total RIPE prefixes after maximum aggregation:                32017
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            47494
    Unique aggregates announced from the RIPE address blocks:     30634
RIPE Region origin ASes present in the Internet Routing Table:    10479
    RIPE Prefixes per ASN:                                         4.53
RIPE Region origin ASes announcing only one prefix:                5536
RIPE Region transit ASes present in the Internet Routing Table:    1650
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          28
Number of RIPE addresses announced to Internet:               335997604
    Equivalent to 20 /8s, 6 /16s and 234 /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:                   18041
    Total LACNIC prefixes after maximum aggregation:               4606
    LACNIC Deaggregation factor:                                   3.92
Prefixes being announced from the LACNIC address blocks:          15761
    Unique aggregates announced from the LACNIC address blocks:    8687
LACNIC Region origin ASes present in the Internet Routing Table:    874
    LACNIC Prefixes per ASN:                                      18.03
LACNIC Region origin ASes announcing only one prefix:               282
LACNIC Region transit ASes present in the Internet Routing Table:   150
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC addresses announced to Internet:              46004736
    Equivalent to 2 /8s, 189 /16s and 250 /24s
    Percentage of available LACNIC address space announced:        45.7

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:                   3349
    Total AfriNIC prefixes after maximum aggregation:              1108
    AfriNIC Deaggregation factor:                                  3.02
Prefixes being announced from the AfriNIC address blocks:          2466
    Unique aggregates announced from the AfriNIC address blocks:   1403
AfriNIC Region origin ASes present in the Internet Routing Table:   216
    AfriNIC Prefixes per ASN:                                     11.42
AfriNIC Region origin ASes announcing only one prefix:               71
AfriNIC Region transit ASes present in the Internet Routing Table:   38
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC addresses announced to Internet:              7649280
    Equivalent to 0 /8s, 116 /16s and 184 /24s
    Percentage of available AfriNIC address space announced:       22.8

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     2775       2974          35   China Education and Research 
 4134     1721      11563         301   CHINANET-BACKBONE
 4755     1482        383          69   Videsh Sanchar Nigam Ltd. Aut
 9583     1101         81         418   Sify Limited
 9498     1046        549          64   BHARTI BT INTERNET LTD.
23577      910         34         787   Korea Telecom (ATM-MPLS)
17488      879         57          70   Hathway IP Over Cable Interne
 4766      816       5474         328   Korea Telecom (KIX)
 7545      725        159         122   TPG Internet Pty Ltd
18101      608        119          52   Reliance Infocom Ltd Internet
 1221      593       1951         438   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      497        793         119   CNCGROUP IP network: China169
 4802      481        130         141   Wantree Development
 7474      458        202         269   SingTel Optus Pty Ltd
 9443      441        121          71   Primus Telecommunications
 9942      422         76         111   COMindico Australia

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      469       1917         382   UUNET - Commercial IP service
 9116      350        184          29   Goldenlines main autonomous s
 8551      345        332          36   Bezeq International
 3301      315       1441         292   TeliaNet Sweden
 3320      315       6035         261   Deutsche Telekom AG
 1273      278        306         105   Cable & Wireless Deutschland 
 6746      274        129         253   Dynamic Network Technologies,
 8708      274        421         245   Romania Data Systems S.A.
  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        444         236   COLT Telecommunications
 8452      253        188           7   TEDATA
 5089      238       1666          54   NTL Group Limited
 3352      235       1932          41   Ibernet, Internet Access Netw
 3269      228       2966          70   TELECOM ITALIA
 3300      222        171          96   AUCS Communications Services 
 1257      207       1195         177   SWIPnet Swedish IP Network
 5462      206        538          26   Telewest Broadband
 9121      205       1442          25   TTnet Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1488       6137         995   AT&T WorldNet Services
 4323     1359       1014         356   Time Warner Telecom
 2386     1258        615         779   AT&T Data Communications Serv
11492     1167        121          47   Cable One 
 6478     1121        329         183   AT&T Worldnet Services 
18566     1031        288           9   Covad Communications 
 6197     1029        691         518   BellSouth Network Solutions, 
 7011      982        290         565   Citizens Utilities 
  174      978       6866         842   Cogent Communications
  701      899       6566         703   UUNET Technologies, Inc. 
20115      845        773         467   Charter Communications 
 3356      818      10886         407   Level 3 Communications, LLC 
 3561      810       2340         372   Savvis
22773      808       2133          54   Cox Communications, Inc.
 1239      801       2690         556   Sprint 
19262      799       2878         181   Verizon Global Networks 
  209      733       3784         574   Qwest 
 5668      664        176          17   CenturyTel Internet Holdings,
15270      598        161          41   PaeTec.net -a division of Pae
  852      595       1109         360   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4134      1721        1420      CHINANET-BACKBONE
 4755      1482        1413      Videsh Sanchar Nigam Ltd. Aut
11492      1167        1120      Cable One 
18566      1031        1022      Covad Communications 
 4323      1359        1003      Time Warner Telecom
 9498      1046         982      BHARTI BT INTERNET LTD.
 8151      1160         945      UniNet S.A. de C.V. 
 6478      1121         938      AT&T Worldnet Services 
17488       879         809      Hathway IP Over Cable Interne
22773       808         754      Cox Communications, Inc.
 9583      1101         683      Sify Limited
 5668       664         647      CenturyTel Internet Holdings,
19262       799         618      Verizon Global Networks 
 7545       725         603      TPG Internet Pty Ltd
15270       598         557      PaeTec.net -a division of Pae
18101       608         556      Reliance Infocom Ltd Internet
 6517       586         553      Yipes Communications, Inc. 
11830       539         530      Instituto Costarricense de El
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

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     /15:962     /16:9809    /17:4300    /18:6944    
/19:15070   /20:17853   /21:16079   /22:20374   /23:21382   /24:127502  
/25:953     /26:1141    /27:619     /28:286     /29:238     /30:342     
/31:0       /32:73      

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

  ASN   No of nets  Total ann.   Description
11492     1158          1167      Cable One 
 6478     1120          1121      AT&T Worldnet Services 
18566     1013          1031      Covad Communications 
 2386      951          1258      AT&T Data Communications Serv
 9583      946          1101      Sify Limited
 4538      932          2775      China Education and Research 
23577      901           910      Korea Telecom (ATM-MPLS)
 7011      869           982      Citizens Utilities 
 4755      850          1482      Videsh Sanchar Nigam Ltd. Aut
 7018      820          1488      AT&T WorldNet Services
 6197      774          1029      BellSouth Network Solutions, 
 9498      730          1046      BHARTI BT INTERNET LTD.
17488      694           879      Hathway IP Over Cable Interne
 4766      607           816      Korea Telecom (KIX)
 4323      576          1359      Time Warner Telecom
19916      564           569      OLM LLC 
15270      560           598      PaeTec.net -a division of Pae
 4134      544          1721      CHINANET-BACKBONE
 6517      542           586      Yipes Communications, Inc. 
 5668      522           664      CenturyTel Internet Holdings,

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

   4:9         8:90       12:1844     13:1        15:19       16:3      
  17:6        18:13       20:35       24:1021     25:1        32:174    
  33:3        38:361      40:64       41:397      43:6        44:2      
  47:8        52:3        55:3        56:3        57:43       58:521    
  59:433      60:384      61:1037     62:994      63:1989     64:3393   
  65:2440     66:3630     67:906      68:683      69:2020     70:484    
  71:119      72:1437     73:7        74:759      75:322      76:159    
  77:418      78:272      79:10       80:885      81:801      82:597    
  83:347      84:621      85:821      86:359      87:591      88:282    
  89:1018     90:38       91:735      92:5        96:2        97:6      
  98:9       116:434     117:224     118:44      121:339     122:646    
 123:209     124:707     125:1121    128:310     129:196     130:141    
 131:370     132:61      133:9       134:194     135:34      136:192    
 137:86      138:152     139:104     140:519     141:145     142:373    
 143:256     144:324     145:50      146:326     147:125     148:547    
 149:187     150:170     151:136     152:95      153:121     154:12     
 155:261     156:164     157:225     158:160     159:196     160:133    
 161:101     162:191     163:185     164:501     165:408     166:303    
 167:306     168:512     169:130     170:418     171:26      172:6      
 189:115     190:1201    192:5760    193:4070    194:3273    195:2562   
 196:987     198:3888    199:3233    200:5233    201:1250    202:7929   
 203:7901    204:3988    205:2008    206:2461    207:2815    208:2966   
 209:3630    210:2813    211:1206    212:1321    213:1546    214:418    
 215:44      216:4151    217:1200    218:426     219:468     220:1017   
 221:447     222:347    

End of report