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



Routing Table Report   00:00 GMT Fri 10 Aug, 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/2007/08/10

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

BGP routing table entries examined:                              230845
    Prefixes after maximum aggregation:                          120081
    Deaggregation factor:                                          1.92
    Unique aggregates announced to Internet:                     110811
Total ASes present in the Internet Routing Table:                 25897
    Prefixes per ASN:                                              8.91
Origin-only ASes present in the Internet Routing Table:           22432
Origin ASes announcing only one prefix:                           11022
Transit ASes present in the Internet Routing Table:                3465
Transit-only ASes present in the Internet Routing Table:             81
Average AS path length visible in the Internet Routing Table:       5.1
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (23775)                               25
Prefixes from unregistered ASNs in the Routing Table:                38
    Unregistered ASNs in the Routing Table:                          18
Prefixes from 32-bit ASNs in the Routing Table:                       6
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1721769572
    Equivalent to 102 /8s, 160 /16s and 30 /24s
    Percentage of available address space announced:               46.5
    Percentage of allocated address space announced:               60.8
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      122809

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

Prefixes being announced by APNIC Region ASes:                    54278
    Total APNIC prefixes after maximum aggregation:               20821
    APNIC Deaggregation factor:                                    2.61
Prefixes being announced from the APNIC address blocks:           51107
    Unique aggregates announced from the APNIC address blocks:    22142
APNIC Region origin ASes present in the Internet Routing Table:    3026
    APNIC Prefixes per ASN:                                       16.89
APNIC Region origin ASes announcing only one prefix:                819
APNIC Region transit ASes present in the Internet Routing Table:    471
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         29
Number of APNIC addresses announced to Internet:              288810900
    Equivalent to 17 /8s, 54 /16s and 231 /24s
    Percentage of available APNIC address space announced:         71.5

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, 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:                    108456
    Total ARIN prefixes after maximum aggregation:                62583
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:            79211
    Unique aggregates announced from the ARIN address blocks:     31496
ARIN Region origin ASes present in the Internet Routing Table:    11697
    ARIN Prefixes per ASN:                                         6.77
ARIN Region origin ASes announcing only one prefix:                4534
ARIN Region transit ASes present in the Internet Routing Table:    1143
Average ARIN Region AS path length visible:                         4.9
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               339353952
    Equivalent to 20 /8s, 58 /16s and 33 /24s
    Percentage of available ARIN address space announced:          74.9

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:                     49211
    Total RIPE prefixes after maximum aggregation:                31199
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            45558
    Unique aggregates announced from the RIPE address blocks:     29187
RIPE Region origin ASes present in the Internet Routing Table:    10047
    RIPE Prefixes per ASN:                                         4.53
RIPE Region origin ASes announcing only one prefix:                5336
RIPE Region transit ASes present in the Internet Routing Table:    1627
Average RIPE Region AS path length visible:                         5.1
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               321291072
    Equivalent to 19 /8s, 38 /16s and 131 /24s
    Percentage of available RIPE address space announced:          73.7

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
                       40960-44031
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:                   16145
    Total LACNIC prefixes after maximum aggregation:               4396
    LACNIC Deaggregation factor:                                   3.67
Prefixes being announced from the LACNIC address blocks:          14212
    Unique aggregates announced from the LACNIC address blocks:    7845
LACNIC Region origin ASes present in the Internet Routing Table:    843
    LACNIC Prefixes per ASN:                                      16.86
LACNIC Region origin ASes announcing only one prefix:               267
LACNIC Region transit ASes present in the Internet Routing Table:   146
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        23
Number of LACNIC addresses announced to Internet:              41721600
    Equivalent to 2 /8s, 124 /16s and 159 /24s
    Percentage of available LACNIC address space announced:        62.2

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:                   2714
    Total AfriNIC prefixes after maximum aggregation:              1070
    AfriNIC Deaggregation factor:                                  2.54
Prefixes being announced from the AfriNIC address blocks:          2299
    Unique aggregates announced from the AfriNIC address blocks:   1355
AfriNIC Region origin ASes present in the Internet Routing Table:   202
    AfriNIC Prefixes per ASN:                                     11.38
AfriNIC Region origin ASes announcing only one prefix:               66
AfriNIC Region transit ASes present in the Internet Routing Table:   30
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              6337280
    Equivalent to 0 /8s, 96 /16s and 179 /24s
    Percentage of available AfriNIC address space announced:       18.9

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     1328      11126         287   CHINANET-BACKBONE
 4755     1318        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1121         80         400   Sify Limited
 9498      994        532          69   BHARTI BT INTERNET LTD.
23577      924         34         794   Korea Telecom (ATM-MPLS)
 9394      841       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      800       5442         316   Korea Telecom (KIX)
17488      741         48          60   Hathway IP Over Cable Interne
 7545      612        127         156   TPG Internet Pty Ltd
 1221      595       1951         439   Telstra Pty Ltd
18101      580        117          39   Reliance Infocom Ltd Internet
 4812      529        915          95   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
 4808      476        767         109   CNCGROUP IP network: China169
 7474      474        217         272   SingTel Optus Pty Ltd
 9443      474        122          78   Primus Telecommunications
 9942      438         76         111   COMindico Australia
 4802      390        110         167   Wantree Development
17974      355        130          13   PT TELEKOMUNIKASI INDONESIA
 4837      352       4944         164   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1127        993         549   Telenor Internet Access
  702      503       1922         404   UUNET - Commercial IP service
 5089      368       1658          53   NTL Group Limited
24863      361         56          40   LINKdotNET AS number
 9116      353        168          26   Goldenlines main autonomous s
 3301      313       1456         293   TeliaNet Sweden
 3320      313       6035         259   Deutsche Telekom AG
 8551      313        310          50   Bezeq International
 6746      287        130         263   Dynamic Network Technologies,
  680      265       2060         256   DFN-IP service G-WiN
 8220      258        445         240   COLT Telecommunications
 3215      256       2392          97   France Telecom Transpac
 8708      252        420         241   Romania Data Systems S.A.
 3269      221       2775          73   TELECOM ITALIA
 3352      214       1824          41   Ibernet, Internet Access Netw
 1257      208       1195         173   SWIPnet Swedish IP Network
 9121      207       1441          24   TTnet Autonomous System
 3300      197        172          94   AUCS Communications Services 
 3292      195       1379         175   TDC Tele Danmark
 2856      193       2318         153   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1489       6068         999   AT&T WorldNet Services
 2386     1204        614         741   AT&T Data Communications Serv
 6478     1115        322         132   AT&T Worldnet Services 
11492     1109        109          17   Cable One 
 6197     1027        690         518   BellSouth Network Solutions, 
18566     1018        288           9   Covad Communications 
  174      956       6713         845   Cogent Communications
  701      935       6561         713   UUNET Technologies, Inc. 
 4323      916        860         374   Time Warner Telecom
 7011      905        259         545   Citizens Utilities 
 1239      805       2717         571   Sprint 
20115      803        741         437   Charter Communications 
19262      762       2704         181   Verizon Global Networks 
22773      748       2144          46   Cox Communications, Inc.
  209      736       3848         579   Qwest 
  577      704        797         206   Bell Advanced Communications 
 5668      629        171          23   CenturyTel Internet Holdings,
  852      587       1077         364   Telus Advanced Communications
 6517      584        161          37   Yipes Communications, Inc. 
  855      572        190          69   Canadian Research Network 

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

  ASN   No of nets  Net Savings Description
 4755      1318        1248      Videsh Sanchar Nigam Ltd. Aut
11492      1109        1092      Cable One 
 4134      1328        1041      CHINANET-BACKBONE
18566      1018        1009      Covad Communications 
 6478      1115         983      AT&T Worldnet Services 
 9498       994         925      BHARTI BT INTERNET LTD.
 9394       841         834      CHINA RAILWAY Internet(CRNET)
 9583      1121         721      Sify Limited
22773       748         702      Cox Communications, Inc.
 8151       891         695      UniNet S.A. de C.V. 
17488       741         681      Hathway IP Over Cable Interne
 5668       629         606      CenturyTel Internet Holdings,
19262       762         581      Verizon Global Networks 
 2119      1127         578      Telenor Internet Access
 6517       584         547      Yipes Communications, Inc. 
 4323       916         542      Time Warner Telecom
18101       580         541      Reliance Infocom Ltd Internet
15270       566         528      PaeTec.net -a division of Pae
19916       568         517      OLM LLC 
 6197      1027         509      BellSouth Network Solutions, 

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

Bad AS  Designation  Network              Transit AS  Description
64513   PRIVATE       63.171.234.0/26       1803       SPRINT 
64513   PRIVATE       63.171.234.64/26      1803       SPRINT 
64513   PRIVATE       63.171.234.128/26     1803       SPRINT 
64513   PRIVATE       63.171.234.192/26     1803       SPRINT 
47588   UNALLOCATED   64.71.19.0/24        33544       WiLine Networks Inc.
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
64513   PRIVATE       194.149.101.192/28    6721       The Terminal Bar: In
64527   PRIVATE       194.149.115.64/28     6721       The Terminal Bar: In
64524   PRIVATE       194.149.116.64/28     6721       The Terminal Bar: In
64514   PRIVATE       194.149.116.176/28    6721       The Terminal Bar: In
64532   PRIVATE       195.22.48.64/27       6721       The Terminal Bar: In
64526   PRIVATE       195.47.13.96/28       6721       The Terminal Bar: In
64542   PRIVATE       195.47.24.112/28      6721       The Terminal Bar: In
64542   PRIVATE       195.47.24.128/27      6721       The Terminal Bar: In
64519   PRIVATE       195.47.33.160/27      6721       The Terminal Bar: In
64519   PRIVATE       195.47.33.192/28      6721       The Terminal Bar: In
64526   PRIVATE       195.47.39.128/26      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.128/26      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.128/25      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.192/26      6721       The Terminal Bar: In
64540   PRIVATE       195.47.75.48/28       6721       The Terminal Bar: In
64516   PRIVATE       195.47.88.128/25      6721       The Terminal Bar: In
64526   PRIVATE       195.47.100.0/25       6721       The Terminal Bar: In
65000   PRIVATE       195.47.102.0/25       6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.0/26       6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.64/27      6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.96/28      6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.112/28     6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.128/25     6721       The Terminal Bar: In
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
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
192.0.2.0/24          2854     RoSprint AS (Global One Russi

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

Network            Origin AS  Description
7.1.1.0/24            1239     Sprint 
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
172.33.1.0/24         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       /10:13      /11:34      /12:125     
/13:260     /14:472     /15:915     /16:9267    /17:4091    /18:6576    
/19:13901   /20:16432   /21:15079   /22:19247   /23:20253   /24:120348  
/25:1056    /26:1375    /27:574     /28:255     /29:177     /30:286     
/31:0       /32:82      

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

  ASN   No of nets  Total ann.   Description
 6478     1114          1115      AT&T Worldnet Services 
11492     1100          1109      Cable One 
 2119     1012          1127      Telenor Internet Access
18566     1000          1018      Covad Communications 
 9583      964          1121      Sify Limited
23577      915           924      Korea Telecom (ATM-MPLS)
 2386      898          1204      AT&T Data Communications Serv
 7018      818          1489      AT&T WorldNet Services
 7011      803           905      Citizens Utilities 
 6197      783          1027      BellSouth Network Solutions, 
 4755      707          1318      Videsh Sanchar Nigam Ltd. Aut
 9498      662           994      BHARTI BT INTERNET LTD.
 4766      595           800      Korea Telecom (KIX)
17488      564           741      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 6517      549           584      Yipes Communications, Inc. 
15270      530           566      PaeTec.net -a division of Pae
 4668      502           512      LG-EDS Systems Inc.
 5668      495           629      CenturyTel Internet Holdings,
18101      494           580      Reliance Infocom Ltd Internet

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

   4:8         7:1         8:85       12:1820     15:19       16:3      
  17:3        18:12       20:37       24:947      25:1        32:174    
  33:3        38:345      40:60       41:292      43:6        44:2      
  47:4        52:4        55:3        56:3        57:48       58:475    
  59:389      60:344      61:996      62:982      63:2005     64:3193   
  65:2397     66:3323     67:767      68:627      69:1945     70:454    
  71:115      72:1385     73:2        74:616      75:295      76:101    
  77:279      78:33       80:846      81:830      82:731      83:383    
  84:590      85:864      86:343      87:454      88:275      89:958    
  90:22       91:459      97:6       116:282     117:121     121:260    
 122:573     123:149     124:835     125:978     128:293     129:213    
 130:140     131:364     132:55      133:9       134:198     135:34     
 136:188     137:84      138:149     139:122     140:497     141:172    
 142:398     143:254     144:298     145:46      146:325     147:120    
 148:407     149:145     150:111     151:159     152:93      153:122    
 154:4       155:261     156:155     157:213     158:158     159:164    
 160:107     161:98      162:186     163:181     164:473     165:395    
 166:271     167:295     168:509     169:121     170:410     171:22     
 172:1       189:70      190:929     192:5816    193:3980    194:3207   
 195:2345    196:1025    198:3900    199:3282    200:5080    201:1146   
 202:7431    203:7516    204:3913    205:1964    206:2433    207:2818   
 208:2707    209:3352    210:2412    211:1014    212:1241    213:1479   
 214:415     215:38      216:3690    217:1127    218:370     219:388    
 220:1009    221:406     222:263    

End of report