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



Routing Table Report   00:00 GMT Fri 01 Jun, 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/2007/06/01

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

BGP routing table entries examined:                              232325
    Prefixes after maximum aggregation:                          119860
    Deaggregation factor:                                          1.94
    Unique aggregates announced to Internet:                     106784
Total ASes present in the Internet Routing Table:                 25401
    Prefixes per ASN:                                              9.15
Origin-only ASes present in the Internet Routing Table:           22000
Origin ASes announcing only one prefix:                           10686
Transit ASes present in the Internet Routing Table:                3401
Transit-only ASes present in the Internet Routing Table:             79
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                39
    Unregistered ASNs in the Routing Table:                          24
Prefixes from 32-bit ASNs in the Routing Table:                       7
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1729347500
    Equivalent to 103 /8s, 19 /16s and 191 /24s
    Percentage of available address space announced:               46.7
    Percentage of allocated address space announced:               61.8
    Percentage of available address space allocated:               75.5
Total number of prefixes smaller than registry allocations:      124545

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

Prefixes being announced by APNIC Region ASes:                    52507
    Total APNIC prefixes after maximum aggregation:               20254
    APNIC Deaggregation factor:                                    2.59
Prefixes being announced from the APNIC address blocks:           49346
    Unique aggregates announced from the APNIC address blocks:    20339
APNIC Region origin ASes present in the Internet Routing Table:    2969
    APNIC Prefixes per ASN:                                       16.62
APNIC Region origin ASes announcing only one prefix:                792
APNIC Region transit ASes present in the Internet Routing Table:    469
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              297534460
    Equivalent to 17 /8s, 188 /16s and 3 /24s
    Percentage of available APNIC address space announced:         73.7

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:                    114012
    Total ARIN prefixes after maximum aggregation:                63694
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            84996
    Unique aggregates announced from the ARIN address blocks:     30861
ARIN Region origin ASes present in the Internet Routing Table:    11619
    ARIN Prefixes per ASN:                                         7.32
ARIN Region origin ASes announcing only one prefix:                4465
ARIN Region transit ASes present in the Internet Routing Table:    1123
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          17
Number of ARIN addresses announced to Internet:               334664384
    Equivalent to 19 /8s, 242 /16s and 146 /24s
    Percentage of available ARIN address space announced:          73.9

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:                     47616
    Total RIPE prefixes after maximum aggregation:                30705
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            44215
    Unique aggregates announced from the RIPE address blocks:     28427
RIPE Region origin ASes present in the Internet Routing Table:     9743
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                5117
RIPE Region transit ASes present in the Internet Routing Table:    1590
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          23
Number of RIPE addresses announced to Internet:               310160704
    Equivalent to 18 /8s, 124 /16s and 173 /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
                       40960-44031
RIPE Address Blocks    62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   15469
    Total LACNIC prefixes after maximum aggregation:               4161
    LACNIC Deaggregation factor:                                   3.72
Prefixes being announced from the LACNIC address blocks:          13581
    Unique aggregates announced from the LACNIC address blocks:    7304
LACNIC Region origin ASes present in the Internet Routing Table:    800
    LACNIC Prefixes per ASN:                                      16.98
LACNIC Region origin ASes announcing only one prefix:               256
LACNIC Region transit ASes present in the Internet Routing Table:   141
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        18
Number of LACNIC addresses announced to Internet:              39007744
    Equivalent to 2 /8s, 83 /16s and 54 /24s
    Percentage of available LACNIC address space announced:        58.1

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:                   2677
    Total AfriNIC prefixes after maximum aggregation:              1034
    AfriNIC Deaggregation factor:                                  2.59
Prefixes being announced from the AfriNIC address blocks:          2055
    Unique aggregates announced from the AfriNIC address blocks:   1181
AfriNIC Region origin ASes present in the Internet Routing Table:   190
    AfriNIC Prefixes per ASN:                                     10.82
AfriNIC Region origin ASes announcing only one prefix:               56
AfriNIC Region transit ASes present in the Internet Routing Table:   35
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC addresses announced to Internet:              6121472
    Equivalent to 0 /8s, 93 /16s and 104 /24s
    Percentage of available AfriNIC address space announced:       18.2

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     1288       9959         280   CHINANET-BACKBONE
 4755     1226        382          72   Videsh Sanchar Nigam Ltd. Aut
 9583     1114        108          17   Sify Limited
 9498      990        469          69   BHARTI BT INTERNET LTD.
23577      925         35         820   Korea Telecom (ATM-MPLS)
 4766      783       4943         312   Korea Telecom (KIX)
17488      694         45          38   Hathway IP Over Cable Interne
 7545      648        142          79   TPG Internet Pty Ltd
 1221      596       1954         437   Telstra Pty Ltd
18101      554        117          35   Reliance Infocom Ltd Internet
 4668      507         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      482        218         270   SingTel Optus Pty Ltd
 9443      468        121          78   Primus Telecommunications
 4812      463        821          76   China Telecom (Shanghai)
 9942      431         76         114   COMindico Australia
 4802      411         86         148   Wantree Development
 9829      364        258          16   BSNL National Internet Backbo
 2907      363       1700         303   SINET Japan
17557      359         41         168   Pakistan Telecom

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      957        915         657   Telenor Internet Access
  702      515       1938         408   UUNET - Commercial IP service
24863      344         47          31   LINKdotNET AS number
 5089      338       1658          53   NTL Group Limited
 3301      309       1455         289   TeliaNet Sweden
 3320      302       4994         252   Deutsche Telekom AG
 6746      279        128         255   Dynamic Network Technologies,
  680      260       2044         251   DFN-IP service G-WiN
 8220      254        460         244   COLT Telecommunications
 3215      246       2280          94   France Telecom Transpac
 1257      243       1196         176   SWIPnet Swedish IP Network
 8708      236        416         230   Romania Data Systems S.A.
 3269      215       2631          74   TELECOM ITALIA
 3352      211       1863          34   Ibernet, Internet Access Netw
 8551      208        197          27   Bezeq International
 9121      206       1441          24   TTnet Autonomous System
 3246      203        334         190   Song Networks
 9116      198        136          25   Goldenlines main autonomous s
 2856      189       2318         147   BTnet UK Regional network
 3300      189        171          90   AUCS Communications Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4967       6596         724   UUNET Technologies, Inc. 
 7018     1509       6153         995   AT&T WorldNet Services
 4323     1269       1033         364   Time Warner Telecom
 2386     1153        597         760   AT&T Data Communications Serv
 6478     1102        344         123   AT&T Worldnet Services 
11492     1072        104          23   Cable One 
 6197     1041        707         509   BellSouth Network Solutions, 
18566     1010        288           9   Covad Communications 
  174      957       6777         866   Cogent Communications
  705      841        491         377   UUNET Technologies, Inc. 
 1239      818       2724         578   Sprint 
20115      805        723         433   Charter Communications 
 7011      804        228         481   Citizens Utilities 
 7046      782        264         642   UUNET Technologies, Inc. 
19262      771       2677         203   Verizon Global Networks 
  209      747       3836         583   Qwest 
22773      721       1892          44   Cox Communications, Inc.
  577      652        793         205   Bell Advanced Communications 
  852      605       1090         372   Telus Advanced Communications
 5668      600        160          17   CenturyTel Internet Holdings,

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

  ASN   No of nets  Net Savings Description
 4755      1226        1154      Videsh Sanchar Nigam Ltd. Aut
 8151      1325        1115      UniNet S.A. de C.V. 
 9583      1114        1097      Sify Limited
11492      1072        1049      Cable One 
 4134      1288        1008      CHINANET-BACKBONE
18566      1010        1001      Covad Communications 
 6478      1102         979      AT&T Worldnet Services 
 9498       990         921      BHARTI BT INTERNET LTD.
 4323      1269         905      Time Warner Telecom
22773       721         677      Cox Communications, Inc.
17488       694         656      Hathway IP Over Cable Interne
 5668       600         583      CenturyTel Internet Holdings,
 7545       648         569      TPG Internet Pty Ltd
19262       771         568      Verizon Global Networks 
 6197      1041         532      BellSouth Network Solutions, 
 7029       600         520      Alltel Information Services, 
18101       554         519      Reliance Infocom Ltd Internet
19916       568         517      OLM LLC 
 7018      1509         514      AT&T WorldNet Services
15270       543         508      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65534   PRIVATE       10.11.12.0/24        10886       University of Maryla
65019   PRIVATE       63.138.117.0/24      19034       Norcom Networks Corp
65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
47588   UNALLOCATED   64.71.19.0/24        33544       WiLine Networks Inc.
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
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
64542   PRIVATE       195.47.25.192/27      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 
65517   PRIVATE       213.154.248.0/29     12859       Business Internet Tr
65517   PRIVATE       213.154.248.8/29     12859       Business Internet Tr
22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
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
10.11.12.0/24        65534     *
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 
94.110.196.0/24      21161     Bechtle Autonomous System
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        /8:19       /9:9       /10:14      /11:35      /12:127     
/13:250     /14:454     /15:881     /16:9464    /17:4041    /18:6495    
/19:13642   /20:15781   /21:14305   /22:18824   /23:20288   /24:123867  
/25:1022    /26:1154    /27:573     /28:264     /29:215     /30:483     
/31:0       /32:118     

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

  ASN   No of nets  Total ann.   Description
  701     3720          4967      UUNET Technologies, Inc. 
 6478     1093          1102      AT&T Worldnet Services 
11492     1063          1072      Cable One 
18566      992          1010      Covad Communications 
 9583      944          1114      Sify Limited
23577      911           925      Korea Telecom (ATM-MPLS)
 2119      857           957      Telenor Internet Access
 2386      850          1153      AT&T Data Communications Serv
 7018      811          1509      AT&T WorldNet Services
 6197      795          1041      BellSouth Network Solutions, 
 7011      705           804      Citizens Utilities 
 8151      705          1325      UniNet S.A. de C.V. 
 9498      660           990      BHARTI BT INTERNET LTD.
 4755      623          1226      Videsh Sanchar Nigam Ltd. Aut
 4766      590           783      Korea Telecom (KIX)
19916      563           568      OLM LLC 
  705      547           841      UUNET Technologies, Inc. 
 7046      532           782      UUNET Technologies, Inc. 
 4323      520          1269      Time Warner Telecom
17488      515           694      Hathway IP Over Cable Interne

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

   4:9         7:1         8:80        9:1        10:1        12:1830   
  15:19       16:3        17:3        18:8        20:38       24:949    
  25:1        32:173      33:2        38:318      40:61       41:152    
  43:6        44:2        47:5        52:4        55:3        56:3      
  57:51       58:415      59:397      60:302      61:983      62:947    
  63:3389     64:3237     65:3727     66:3409     67:825      68:637    
  69:1883     70:526      71:107      72:1321     73:1        74:483    
  75:265      76:74       77:224      78:2        80:827      81:818    
  82:703      83:420      84:421      85:809      86:341      87:448    
  88:276      89:879      90:7        91:324      94:1        97:6      
  98:2       116:98      121:193     122:535     123:102     124:817    
 125:941     128:282     129:225     130:130     131:366     132:52     
 133:9       134:192     135:38      136:185     137:85      138:140    
 139:122     140:482     141:171     142:393     143:233     144:294    
 145:43      146:321     147:121     148:396     149:147     150:115    
 151:159     152:94      153:123     154:5       155:254     156:152    
 157:187     158:158     159:156     160:107     161:93      162:234    
 163:185     164:460     165:405     166:240     167:284     168:503    
 169:120     170:402     171:16      172:1       189:550     190:641    
 192:5841    193:3892    194:3176    195:2314    196:995     198:3870   
 199:3371    200:4840    201:1054    202:7395    203:7608    204:4118   
 205:2156    206:2575    207:3128    208:3359    209:3692    210:2460   
 211:1011    212:1375    213:1514    214:413     215:40      216:4214   
 217:1154    218:373     219:385     220:965     221:400     222:263    


End of report