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



Routing Table Report   00:00 GMT Sun 03 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/2007/06/03

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

BGP routing table entries examined:                              232189
    Prefixes after maximum aggregation:                          119783
    Deaggregation factor:                                          1.94
    Unique aggregates announced to Internet:                     106882
Total ASes present in the Internet Routing Table:                 25397
    Prefixes per ASN:                                              9.14
Origin-only ASes present in the Internet Routing Table:           22044
Origin ASes announcing only one prefix:                           10697
Transit ASes present in the Internet Routing Table:                3353
Transit-only ASes present in the Internet Routing Table:             76
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                41
    Unregistered ASNs in the Routing Table:                          26
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:                   1729345132
    Equivalent to 103 /8s, 19 /16s and 182 /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:      124395

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

Prefixes being announced by APNIC Region ASes:                    52554
    Total APNIC prefixes after maximum aggregation:               20256
    APNIC Deaggregation factor:                                    2.59
Prefixes being announced from the APNIC address blocks:           49392
    Unique aggregates announced from the APNIC address blocks:    20380
APNIC Region origin ASes present in the Internet Routing Table:    2971
    APNIC Prefixes per ASN:                                       16.62
APNIC Region origin ASes announcing only one prefix:                793
APNIC Region transit ASes present in the Internet Routing Table:    459
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         21
Number of APNIC addresses announced to Internet:              297388992
    Equivalent to 17 /8s, 185 /16s and 203 /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:                    114051
    Total ARIN prefixes after maximum aggregation:                63602
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            85000
    Unique aggregates announced from the ARIN address blocks:     30837
ARIN Region origin ASes present in the Internet Routing Table:    11606
    ARIN Prefixes per ASN:                                         7.32
ARIN Region origin ASes announcing only one prefix:                4467
ARIN Region transit ASes present in the Internet Routing Table:    1093
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          19
Number of ARIN addresses announced to Internet:               334785728
    Equivalent to 19 /8s, 244 /16s and 108 /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:                     47655
    Total RIPE prefixes after maximum aggregation:                30713
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            44281
    Unique aggregates announced from the RIPE address blocks:     28496
RIPE Region origin ASes present in the Internet Routing Table:     9755
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                5128
RIPE Region transit ASes present in the Internet Routing Table:    1581
Average RIPE Region AS path length visible:                         5.3
    Max RIPE Region AS path length visible:                          24
Number of RIPE addresses announced to Internet:               310182720
    Equivalent to 18 /8s, 125 /16s and 3 /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:                   15190
    Total LACNIC prefixes after maximum aggregation:               4167
    LACNIC Deaggregation factor:                                   3.65
Prefixes being announced from the LACNIC address blocks:          13345
    Unique aggregates announced from the LACNIC address blocks:    7321
LACNIC Region origin ASes present in the Internet Routing Table:    798
    LACNIC Prefixes per ASN:                                      16.72
LACNIC Region origin ASes announcing only one prefix:               254
LACNIC Region transit ASes present in the Internet Routing Table:   141
Average LACNIC Region AS path length visible:                       6.4
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              39126528
    Equivalent to 2 /8s, 85 /16s and 6 /24s
    Percentage of available LACNIC address space announced:        58.3

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:                   2693
    Total AfriNIC prefixes after maximum aggregation:              1033
    AfriNIC Deaggregation factor:                                  2.61
Prefixes being announced from the AfriNIC address blocks:          2058
    Unique aggregates announced from the AfriNIC address blocks:   1180
AfriNIC Region origin ASes present in the Internet Routing Table:   190
    AfriNIC Prefixes per ASN:                                     10.83
AfriNIC Region origin ASes announcing only one prefix:               55
AfriNIC Region transit ASes present in the Internet Routing Table:   37
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              6124800
    Equivalent to 0 /8s, 93 /16s and 117 /24s
    Percentage of available AfriNIC address space announced:       18.3

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     1225        382          71   Videsh Sanchar Nigam Ltd. Aut
 9583     1112        108          17   Sify Limited
 9498      989        469          71   BHARTI BT INTERNET LTD.
23577      925         35         820   Korea Telecom (ATM-MPLS)
 4766      786       4943         312   Korea Telecom (KIX)
17488      698         45          39   Hathway IP Over Cable Interne
 7545      650        142          79   TPG Internet Pty Ltd
 1221      598       1954         439   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      464        837          77   China Telecom (Shanghai)
 9942      432         77         115   COMindico Australia
 4802      408         86         145   Wantree Development
 2907      364       1716         304   SINET Japan
 9829      363        258          15   BSNL National Internet Backbo
17557      355         40         165   Pakistan Telecom

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      955        913         655   Telenor Internet Access
  702      518       1939         409   UUNET - Commercial IP service
24863      345         47          32   LINKdotNET AS number
 5089      338       1658          53   NTL Group Limited
 3301      310       1455         289   TeliaNet Sweden
 3320      303       4994         253   Deutsche Telekom AG
 6746      279        128         255   Dynamic Network Technologies,
  680      260       2044         251   DFN-IP service G-WiN
 8220      251        460         241   COLT Telecommunications
 3215      246       2280          94   France Telecom Transpac
 1257      243       1196         176   SWIPnet Swedish IP Network
 8708      237        416         230   Romania Data Systems S.A.
 3269      216       2647          74   TELECOM ITALIA
 3352      213       1863          36   Ibernet, Internet Access Netw
 9121      209       1441          24   TTnet Autonomous System
 8551      208        197          27   Bezeq International
 3246      199        332         186   Song Networks
 9116      198        136          25   Goldenlines main autonomous s
 2856      188       2318         147   BTnet UK Regional network
 3300      184        171          88   AUCS Communications Services 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4995       6613         727   UUNET Technologies, Inc. 
 7018     1507      10216         991   AT&T WorldNet Services
 4323     1270       1033         364   Time Warner Telecom
 2386     1147        596         756   AT&T Data Communications Serv
 6478     1103        360         124   AT&T Worldnet Services 
11492     1074        104          24   Cable One 
 6197     1041        707         509   BellSouth Network Solutions, 
18566     1010        288           9   Covad Communications 
  174      956       6777         867   Cogent Communications
  705      835        490         377   UUNET Technologies, Inc. 
 1239      816       2716         580   Sprint 
20115      807        725         429   Charter Communications 
 7011      805        228         481   Citizens Utilities 
 7046      783        264         643   UUNET Technologies, Inc. 
19262      771       2677         203   Verizon Global Networks 
  209      744       3837         583   Qwest 
22773      721       1892          44   Cox Communications, Inc.
  577      652        793         205   Bell Advanced Communications 
  852      605       1090         372   Telus Advanced Communications
 7029      604        488          80   Alltel Information Services, 

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

  ASN   No of nets  Net Savings Description
 4755      1225        1154      Videsh Sanchar Nigam Ltd. Aut
 9583      1112        1095      Sify Limited
11492      1074        1050      Cable One 
 4134      1288        1008      CHINANET-BACKBONE
18566      1010        1001      Covad Communications 
 6478      1103         979      AT&T Worldnet Services 
 9498       989         918      BHARTI BT INTERNET LTD.
 4323      1270         906      Time Warner Telecom
 8151      1031         825      UniNet S.A. de C.V. 
22773       721         677      Cox Communications, Inc.
17488       698         659      Hathway IP Over Cable Interne
 5668       602         585      CenturyTel Internet Holdings,
 7545       650         571      TPG Internet Pty Ltd
19262       771         568      Verizon Global Networks 
 6197      1041         532      BellSouth Network Solutions, 
 7029       604         524      Alltel Information Services, 
18101       554         519      Reliance Infocom Ltd Internet
19916       568         517      OLM LLC 
 7018      1507         516      AT&T WorldNet Services
15270       544         509      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
65105   PRIVATE       195.219.216.0/21      6453       Teleglobe Inc. 
65011   PRIVATE       203.116.243.0/24      4657       Starhub Internet, Si
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      /11:34      /12:127     
/13:250     /14:453     /15:879     /16:9444    /17:4039    /18:6492    
/19:13645   /20:15794   /21:14306   /22:18858   /23:20310   /24:123675  
/25:1039    /26:1154    /27:571     /28:261     /29:215     /30:483     
/31:0       /32:118     

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

  ASN   No of nets  Total ann.   Description
  701     3745          4995      UUNET Technologies, Inc. 
 6478     1093          1103      AT&T Worldnet Services 
11492     1065          1074      Cable One 
18566      992          1010      Covad Communications 
 9583      943          1112      Sify Limited
23577      911           925      Korea Telecom (ATM-MPLS)
 2119      857           955      Telenor Internet Access
 2386      850          1147      AT&T Data Communications Serv
 7018      812          1507      AT&T WorldNet Services
 6197      795          1041      BellSouth Network Solutions, 
 7011      706           805      Citizens Utilities 
 9498      660           989      BHARTI BT INTERNET LTD.
 4755      622          1225      Videsh Sanchar Nigam Ltd. Aut
 4766      593           786      Korea Telecom (KIX)
19916      563           568      OLM LLC 
  705      541           835      UUNET Technologies, Inc. 
 7046      532           783      UUNET Technologies, Inc. 
 4323      521          1270      Time Warner Telecom
17488      519           698      Hathway IP Over Cable Interne
15270      511           544      PaeTec.net -a division of Pae

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

   4:9         7:1         8:81        9:1        10:1        12:1822   
  15:19       16:3        17:3        18:8        20:38       24:949    
  25:1        32:172      33:2        38:318      40:61       41:152    
  43:6        44:2        47:5        52:4        55:3        56:3      
  57:51       58:413      59:398      60:306      61:976      62:950    
  63:3376     64:3234     65:3715     66:3406     67:825      68:634    
  69:1890     70:526      71:107      72:1325     73:1        74:487    
  75:265      76:76       77:227      78:2        80:834      81:820    
  82:704      83:421      84:422      85:814      86:342      87:456    
  88:273      89:884      90:7        91:327      94:1        97:6      
  98:3       116:106     121:194     122:534     123:113     124:817    
 125:944     128:282     129:225     130:130     131:367     132:52     
 133:9       134:192     135:38      136:185     137:85      138:140    
 139:122     140:482     141:171     142:394     143:233     144:293    
 145:43      146:320     147:122     148:400     149:146     150:115    
 151:159     152:94      153:123     154:4       155:254     156:152    
 157:186     158:158     159:157     160:107     161:94      162:234    
 163:185     164:456     165:405     166:240     167:284     168:506    
 169:120     170:403     171:16      172:1       189:269     190:642    
 192:5832    193:3885    194:3179    195:2313    196:1000    198:3873   
 199:3371    200:4850    201:1056    202:7413    203:7604    204:4116   
 205:2166    206:2566    207:3127    208:3359    209:3701    210:2484   
 211:1011    212:1371    213:1514    214:405     215:40      216:4215   
 217:1159    218:373     219:386     220:967     221:405     222:263    


End of report