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



Routing Table Report   00:00 GMT Sun 19 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/2007/08/19

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

BGP routing table entries examined:                              234189
    Prefixes after maximum aggregation:                          121236
    Deaggregation factor:                                          1.93
    Unique aggregates announced to Internet:                     111360
Total ASes present in the Internet Routing Table:                 26030
    Prefixes per ASN:                                              9.00
Origin-only ASes present in the Internet Routing Table:           22609
Origin ASes announcing only one prefix:                           11021
Transit ASes present in the Internet Routing Table:                3421
Transit-only ASes present in the Internet Routing Table:             84
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                36
    Unregistered ASNs in the Routing Table:                          17
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:                   1752141132
    Equivalent to 104 /8s, 111 /16s and 141 /24s
    Percentage of available address space announced:               47.3
    Percentage of allocated address space announced:               61.9
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      124927

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

Prefixes being announced by APNIC Region ASes:                    55117
    Total APNIC prefixes after maximum aggregation:               20982
    APNIC Deaggregation factor:                                    2.63
Prefixes being announced from the APNIC address blocks:           51947
    Unique aggregates announced from the APNIC address blocks:    22196
APNIC Region origin ASes present in the Internet Routing Table:    3030
    APNIC Prefixes per ASN:                                       17.14
APNIC Region origin ASes announcing only one prefix:                818
APNIC Region transit ASes present in the Internet Routing Table:    469
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              311692476
    Equivalent to 18 /8s, 148 /16s and 12 /24s
    Percentage of available APNIC address space announced:         77.2

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:                    110245
    Total ARIN prefixes after maximum aggregation:                63248
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            80906
    Unique aggregates announced from the ARIN address blocks:     31827
ARIN Region origin ASes present in the Internet Routing Table:    11761
    ARIN Prefixes per ASN:                                         6.88
ARIN Region origin ASes announcing only one prefix:                4512
ARIN Region transit ASes present in the Internet Routing Table:    1118
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          20
Number of ARIN addresses announced to Internet:               342356320
    Equivalent to 20 /8s, 103 /16s and 241 /24s
    Percentage of available ARIN address space announced:          75.6

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:                     49733
    Total RIPE prefixes after maximum aggregation:                31518
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            46195
    Unique aggregates announced from the RIPE address blocks:     29391
RIPE Region origin ASes present in the Internet Routing Table:    10103
    RIPE Prefixes per ASN:                                         4.57
RIPE Region origin ASes announcing only one prefix:                5348
RIPE Region transit ASes present in the Internet Routing Table:    1613
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               324377600
    Equivalent to 19 /8s, 85 /16s and 156 /24s
    Percentage of available RIPE address space announced:          74.4

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:                   16264
    Total LACNIC prefixes after maximum aggregation:               4411
    LACNIC Deaggregation factor:                                   3.69
Prefixes being announced from the LACNIC address blocks:          14380
    Unique aggregates announced from the LACNIC address blocks:    7729
LACNIC Region origin ASes present in the Internet Routing Table:    846
    LACNIC Prefixes per ASN:                                      17.00
LACNIC Region origin ASes announcing only one prefix:               274
LACNIC Region transit ASes present in the Internet Routing Table:   152
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              41970688
    Equivalent to 2 /8s, 128 /16s and 108 /24s
    Percentage of available LACNIC address space announced:        62.5

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:                   2790
    Total AfriNIC prefixes after maximum aggregation:              1065
    AfriNIC Deaggregation factor:                                  2.62
Prefixes being announced from the AfriNIC address blocks:          2309
    Unique aggregates announced from the AfriNIC address blocks:   1350
AfriNIC Region origin ASes present in the Internet Routing Table:   205
    AfriNIC Prefixes per ASN:                                     11.26
AfriNIC Region origin ASes announcing only one prefix:               69
AfriNIC Region transit ASes present in the Internet Routing Table:   32
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              7367680
    Equivalent to 0 /8s, 112 /16s and 108 /24s
    Percentage of available AfriNIC address space announced:       22.0

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     1346      11140         287   CHINANET-BACKBONE
 4755     1325        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1124         80         403   Sify Limited
 9498      999        533          68   BHARTI BT INTERNET LTD.
23577      925         34         795   Korea Telecom (ATM-MPLS)
 9394      838       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      797       5440         315   Korea Telecom (KIX)
17488      763         50          46   Hathway IP Over Cable Interne
 7545      699        150         115   TPG Internet Pty Ltd
 1221      596       1951         439   Telstra Pty Ltd
18101      590        118          45   Reliance Infocom Ltd Internet
 4812      543        979          98   China Telecom (Shanghai)
 4668      516         68          10   LG-EDS Systems Inc.
17676      503      10919          64   Softbank BB Corp.
 4808      488        785         111   CNCGROUP IP network: China169
 9443      474        122          78   Primus Telecommunications
 7474      470        217         270   SingTel Optus Pty Ltd
 9942      441         77         114   COMindico Australia
 4802      429        116         153   Wantree Development
 9829      364        258          15   BSNL National Internet Backbo

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1123        933         684   Telenor Internet Access
  702      501       1922         402   UUNET - Commercial IP service
 5089      369       1658          54   NTL Group Limited
24863      361         56          40   LINKdotNET AS number
 9116      342        168          26   Goldenlines main autonomous s
 8551      320        315          43   Bezeq International
 3320      315       6035         261   Deutsche Telekom AG
 3301      313       1456         293   TeliaNet Sweden
 6746      287        130         263   Dynamic Network Technologies,
  680      265       2061         256   DFN-IP service G-WiN
 8708      260        420         241   Romania Data Systems S.A.
 8220      258        445         241   COLT Telecommunications
 3215      256       2392          97   France Telecom Transpac
 3352      225       1868          38   Ibernet, Internet Access Netw
 3269      221       2775          73   TELECOM ITALIA
 9121      210       1441          24   TTnet Autonomous System
 1257      205       1195         170   SWIPnet Swedish IP Network
 3300      200        172          96   AUCS Communications Services 
 3292      195       1379         175   TDC Tele Danmark
12479      194        578           6   Uni2 Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1500      10175        1006   AT&T WorldNet Services
 4323     1330       1007         373   Time Warner Telecom
 2386     1210        616         745   AT&T Data Communications Serv
11492     1119        109          35   Cable One 
 6478     1116        322         140   AT&T Worldnet Services 
 6197     1025        626         522   BellSouth Network Solutions, 
18566     1019        288           9   Covad Communications 
  174      970       6780         860   Cogent Communications
  701      933       6545         712   UUNET Technologies, Inc. 
 7011      912        261         549   Citizens Utilities 
20115      805        741         430   Charter Communications 
 1239      785       2714         554   Sprint 
19262      763       2721         182   Verizon Global Networks 
22773      754       2148          49   Cox Communications, Inc.
  209      734       3834         582   Qwest 
  577      701        813         203   Bell Advanced Communications 
 5668      628        171          24   CenturyTel Internet Holdings,
  852      593       1096         365   Telus Advanced Communications
 6517      584        163          36   Yipes Communications, Inc. 
 6198      576        716         256   BellSouth Network Solutions, 

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

  ASN   No of nets  Net Savings Description
 4755      1325        1255      Videsh Sanchar Nigam Ltd. Aut
11492      1119        1084      Cable One 
 4134      1346        1059      CHINANET-BACKBONE
18566      1019        1010      Covad Communications 
 6478      1116         976      AT&T Worldnet Services 
 4323      1330         957      Time Warner Telecom
 9498       999         931      BHARTI BT INTERNET LTD.
 9394       838         831      CHINA RAILWAY Internet(CRNET)
 9583      1124         721      Sify Limited
17488       763         717      Hathway IP Over Cable Interne
22773       754         705      Cox Communications, Inc.
 8151       920         700      UniNet S.A. de C.V. 
 5668       628         604      CenturyTel Internet Holdings,
 7545       699         584      TPG Internet Pty Ltd
19262       763         581      Verizon Global Networks 
 6517       584         548      Yipes Communications, Inc. 
18101       590         545      Reliance Infocom Ltd Internet
15270       567         529      PaeTec.net -a division of Pae
19916       568         517      OLM LLC 
 4668       516         506      LG-EDS Systems Inc.

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   64.71.29.0/24        33544       WiLine Networks Inc.
65038   PRIVATE       88.213.141.0/24      34695       E4A Primary AS
65038   PRIVATE       88.213.155.0/24      34695       E4A Primary AS
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
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
24410   UNALLOCATED   203.119.30.0/24       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       /10:15      /11:36      /12:134     
/13:262     /14:473     /15:929     /16:9632    /17:4136    /18:6686    
/19:14037   /20:16604   /21:15277   /22:19482   /23:20564   /24:122020  
/25:1071    /26:1380    /27:588     /28:260     /29:192     /30:291     
/31:5       /32:88      

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

  ASN   No of nets  Total ann.   Description
 6478     1115          1116      AT&T Worldnet Services 
11492     1111          1119      Cable One 
 2119     1011          1123      Telenor Internet Access
18566     1001          1019      Covad Communications 
 9583      966          1124      Sify Limited
23577      916           925      Korea Telecom (ATM-MPLS)
 2386      906          1210      AT&T Data Communications Serv
 7018      825          1500      AT&T WorldNet Services
 7011      809           912      Citizens Utilities 
 6197      783          1025      BellSouth Network Solutions, 
 4755      710          1325      Videsh Sanchar Nigam Ltd. Aut
 9498      667           999      BHARTI BT INTERNET LTD.
 4766      594           797      Korea Telecom (KIX)
17488      586           763      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 4323      561          1330      Time Warner Telecom
 6517      548           584      Yipes Communications, Inc. 
15270      531           567      PaeTec.net -a division of Pae
 4668      506           516      LG-EDS Systems Inc.
18101      499           590      Reliance Infocom Ltd Internet

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

   4:8         7:1         8:88       12:1811     13:1        15:19     
  16:3        17:3        18:13       20:37       24:968      25:1      
  32:173      33:3        38:346      40:60       41:304      43:6      
  44:2        47:4        52:4        55:3        56:3        57:46     
  58:476      59:388      60:362      61:1013     62:1001     63:2010   
  64:3209     65:2420     66:3420     67:781      68:651      69:1945   
  70:452      71:115      72:1388     73:2        74:627      75:301    
  76:127      77:282      78:37       80:845      81:837      82:716    
  83:391      84:599      85:868      86:343      87:483      88:286    
  89:971      90:22       91:489      97:6       116:288     117:117    
 121:263     122:590     123:137     124:842     125:982     126:1      
 128:290     129:215     130:140     131:360     132:54      133:9      
 134:198     135:34      136:179     137:85      138:148     139:121    
 140:490     141:173     142:397     143:249     144:302     145:46     
 146:323     147:123     148:408     149:146     150:111     151:159    
 152:91      153:121     154:4       155:262     156:156     157:215    
 158:158     159:171     160:109     161:97      162:187     163:180    
 164:482     165:397     166:275     167:294     168:512     169:121    
 170:391     171:22      172:2       189:68      190:966     192:5793   
 193:3984    194:3220    195:2346    196:1027    198:3892    199:3280   
 200:5090    201:1160    202:7412    203:7621    204:3993    205:1986   
 206:2480    207:2926    208:2765    209:3505    210:2461    211:1030   
 212:1357    213:1529    214:418     215:41      216:4020    217:1184   
 218:370     219:386     220:1028    221:419     222:266    

End of report