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



Routing Table Report   00:00 GMT Wed 02 May, 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/2007/05/02/1100

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

BGP routing table entries examined:                              228280
    Prefixes after maximum aggregation:                          118927
    Deaggregation factor:                                          1.92
    Unique aggregates announced to Internet:                     105382
Total ASes present in the Internet Routing Table:                 25115
    Prefixes per ASN:                                              9.09
Origin-only ASes present in the Internet Routing Table:           21795
Origin ASes announcing only one prefix:                           10535
Transit ASes present in the Internet Routing Table:                3320
Transit-only ASes present in the Internet Routing Table:             88
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      22
    Max AS path prepend of ASN (29187)                               19
Prefixes from unregistered ASNs in the Routing Table:                41
    Unregistered ASNs in the Routing Table:                          25
Prefixes from 32-bit ASNs in the Routing Table:                       4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             13
Number of addresses announced to Internet:                   1731628268
    Equivalent to 103 /8s, 54 /16s and 140 /24s
    Percentage of available address space announced:               46.7
    Percentage of allocated address space announced:               63.4
    Percentage of available address space allocated:               73.7
Total number of prefixes smaller than registry allocations:      121696

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

Prefixes being announced by APNIC Region ASes:                    51520
    Total APNIC prefixes after maximum aggregation:               20411
    APNIC Deaggregation factor:                                    2.52
Prefixes being announced from the APNIC address blocks:           48423
    Unique aggregates announced from the APNIC address blocks:    21157
APNIC Region origin ASes present in the Internet Routing Table:    2941
    APNIC Prefixes per ASN:                                       16.46
APNIC Region origin ASes announcing only one prefix:                779
APNIC Region transit ASes present in the Internet Routing Table:    453
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         21
Number of APNIC addresses announced to Internet:              291550124
    Equivalent to 17 /8s, 96 /16s and 179 /24s
    Percentage of available APNIC address space announced:         72.2

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:                    112128
    Total ARIN prefixes after maximum aggregation:                63030
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:            83514
    Unique aggregates announced from the ARIN address blocks:     30395
ARIN Region origin ASes present in the Internet Routing Table:    11515
    ARIN Prefixes per ASN:                                         7.25
ARIN Region origin ASes announcing only one prefix:                4414
ARIN Region transit ASes present in the Internet Routing Table:    1090
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          21
Number of ARIN addresses announced to Internet:               330954720
    Equivalent to 19 /8s, 185 /16s and 247 /24s
    Percentage of available ARIN address space announced:          73.1

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:                     46977
    Total RIPE prefixes after maximum aggregation:                30329
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            43637
    Unique aggregates announced from the RIPE address blocks:     26882
RIPE Region origin ASes present in the Internet Routing Table:     9592
    RIPE Prefixes per ASN:                                         4.55
RIPE Region origin ASes announcing only one prefix:                5029
RIPE Region transit ASes present in the Internet Routing Table:    1555
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               305939264
    Equivalent to 18 /8s, 60 /16s and 67 /24s
    Percentage of available RIPE address space announced:          76.0

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:                   14935
    Total LACNIC prefixes after maximum aggregation:               4111
    LACNIC Deaggregation factor:                                   3.63
Prefixes being announced from the LACNIC address blocks:          13036
    Unique aggregates announced from the LACNIC address blocks:    7158
LACNIC Region origin ASes present in the Internet Routing Table:    787
    LACNIC Prefixes per ASN:                                      16.56
LACNIC Region origin ASes announcing only one prefix:               253
LACNIC Region transit ASes present in the Internet Routing Table:   140
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC addresses announced to Internet:              38392320
    Equivalent to 2 /8s, 73 /16s and 210 /24s
    Percentage of available LACNIC address space announced:        57.2

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:                   2678
    Total AfriNIC prefixes after maximum aggregation:              1038
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          2028
    Unique aggregates announced from the AfriNIC address blocks:   1191
AfriNIC Region origin ASes present in the Internet Routing Table:   191
    AfriNIC Prefixes per ASN:                                     10.62
AfriNIC Region origin ASes announcing only one prefix:               60
AfriNIC Region transit ASes present in the Internet Routing Table:   35
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              6068736
    Equivalent to 0 /8s, 92 /16s and 154 /24s
    Percentage of available AfriNIC address space announced:       18.1

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     1281       9587         275   CHINANET-BACKBONE
 4755     1203        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1097         79         379   Sify Limited
 9498      973        469          72   BHARTI BT INTERNET LTD.
23577      928         35         824   Korea Telecom (ATM-MPLS)
 4766      783       4943         312   Korea Telecom (KIX)
17488      672         44          34   Hathway IP Over Cable Interne
 7545      628        142          80   TPG Internet Pty Ltd
 1221      585       1954         436   Telstra Pty Ltd
18101      529        116          28   Reliance Infocom Ltd Internet
 4668      507         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      478        217         271   SingTel Optus Pty Ltd
 4812      465        799          75   China Telecom (Shanghai)
 9942      447         77         119   COMindico Australia
 9443      435        113          67   Primus Telecommunications
17557      360         35         168   Pakistan Telecom
 4802      359         86         146   Wantree Development
 9829      358        274          14   BSNL National Internet Backbo
 4837      346       4725         160   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      911        929         651   Telenor Internet Access
  702      520       1941         414   UUNET - Commercial IP service
24863      343         47          31   LINKdotNET AS number
 3352      340       1799          33   Ibernet, Internet Access Netw
 3301      309       1455         289   TeliaNet Sweden
 3320      301       4993         249   Deutsche Telekom AG
 5089      289       1657          52   NTL Group Limited
 6746      273        127         250   Dynamic Network Technologies,
 8220      262        461         252   COLT Telecommunications
  680      257       2044         250   DFN-IP service G-WiN
 3215      240       2256          92   France Telecom Transpac
 1257      237       1180         170   SWIPnet Swedish IP Network
 8708      236        287         229   Romania Data Systems S.A.
 3269      215       2583          73   TELECOM ITALIA
 3246      211        340         197   Song Networks
 8551      208        197          27   Bezeq International
20858      196         34           4   EgyNet
 3300      192        171          92   AUCS Communications Services 
 9116      189        134          24   Goldenlines main autonomous s
30890      189         15          94   SC Kappa Invexim SRL

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4987       6643         731   UUNET Technologies, Inc. 
 7018     1489       6117         986   AT&T WorldNet Services
 4323     1252       1022         353   Time Warner Telecom
 2386     1138        580         755   AT&T Data Communications Serv
 6478     1092        337         132   AT&T Worldnet Services 
11492     1052        103          19   Cable One 
 6197     1036        688         503   BellSouth Network Solutions, 
  174      955       6792         870   Cogent Communications
  705      952        517         466   UUNET Technologies, Inc. 
 1239      827       2710         579   Sprint 
20115      824        738         431   Charter Communications 
 7046      794        263         649   UUNET Technologies, Inc. 
 7011      788        226         469   Citizens Utilities 
  209      735       3750         587   Qwest 
19262      728       2587         177   Verizon Global Networks 
22773      703       1871          38   Cox Communications, Inc.
  577      641        777         203   Bell Advanced Communications 
  721      615      21756         273   DLA Systems Automation Center
  852      609       1096         376   Telus Advanced Communications
 5668      596        160          17   CenturyTel Internet Holdings,

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

  ASN   No of nets  Net Savings Description
 4755      1203        1133      Videsh Sanchar Nigam Ltd. Aut
11492      1052        1033      Cable One 
 4134      1281        1006      CHINANET-BACKBONE
 8151      1174         964      UniNet S.A. de C.V. 
 6478      1092         960      AT&T Worldnet Services 
 9498       973         901      BHARTI BT INTERNET LTD.
 4323      1252         899      Time Warner Telecom
 9583      1097         718      Sify Limited
22773       703         665      Cox Communications, Inc.
17488       672         638      Hathway IP Over Cable Interne
 5668       596         579      CenturyTel Internet Holdings,
19262       728         551      Verizon Global Networks 
 7545       628         548      TPG Internet Pty Ltd
 6197      1036         533      BellSouth Network Solutions, 
19916       568         517      OLM LLC 
 7018      1489         503      AT&T WorldNet Services
18101       529         501      Reliance Infocom Ltd Internet
 4668       507         497      LG-EDS Systems Inc.
 7029       577         496      Alltel Information Services, 
  855       567         496      Canadian Research Network 

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

Bad AS  Designation  Network              Transit AS  Description
65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
64858   PRIVATE       84.36.180.0/24       20858       EgyNet
64519   PRIVATE       87.198.212.128/25    34245       Magnet Networks AS
64982   PRIVATE       89.207.224.0/24      36385       Google Incorporated 
65027   PRIVATE       135.196.97.168/29     8190       VIATEL 
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
65106   PRIVATE       195.219.161.0/27      6453       Teleglobe Inc. 
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
64512   PRIVATE       208.103.63.0/24      32703       Indiana Fiber Networ
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
192.0.2.0/24          2854     RoSprint AS (Global One Russi

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

Network            Origin AS  Description
2.0.0.0/24           41856     Flagmanskaya Sluzhba Svyazi
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
223.0.0.0/8           2905     The Internetworking Company o

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:21       /9:9       /10:13      /11:34      /12:125     
/13:249     /14:450     /15:867     /16:9398    /17:3907    /18:6467    
/19:13569   /20:15499   /21:13844   /22:18440   /23:19593   /24:122246  
/25:1003    /26:1110    /27:560     /28:242     /29:183     /30:359     
/31:0       /32:92      

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

  ASN   No of nets  Total ann.   Description
  701     3740          4987      UUNET Technologies, Inc. 
 6478     1083          1092      AT&T Worldnet Services 
11492     1038          1052      Cable One 
 9583      936          1097      Sify Limited
23577      914           928      Korea Telecom (ATM-MPLS)
 2386      834          1138      AT&T Data Communications Serv
 2119      810           911      Telenor Internet Access
 7018      806          1489      AT&T WorldNet Services
 6197      797          1036      BellSouth Network Solutions, 
 7011      691           788      Citizens Utilities 
 9498      636           973      BHARTI BT INTERNET LTD.
  705      615           952      UUNET Technologies, Inc. 
 4755      598          1203      Videsh Sanchar Nigam Ltd. Aut
 4766      589           783      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 8151      554          1174      UniNet S.A. de C.V. 
 7046      545           794      UUNET Technologies, Inc. 
 4323      517          1252      Time Warner Telecom
 4668      496           507      LG-EDS Systems Inc.
15270      495           528      PaeTec.net -a division of Pae

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

   2:1         4:9         7:1         8:79        9:1        12:1826   
  15:19       16:3        17:3        18:8        20:37       24:929    
  25:1        32:174      38:301      40:57       41:127      43:6      
  44:2        47:4        52:4        55:2        56:3        57:53     
  58:397      59:371      60:274      61:940      62:1024     63:3384   
  64:3180     65:3696     66:3354     67:813      68:631      69:1837   
  70:500      71:103      72:1283     73:1        74:428      75:259    
  76:44       77:175      80:932      81:856      82:721      83:403    
  84:437      85:788      86:349      87:454      88:263      89:843    
  90:24       91:269      97:6       116:49      121:180     122:520    
 123:93      124:792     125:914     128:276     129:218     130:124    
 131:350     132:52      133:11      134:193     135:39      136:181    
 137:83      138:197     139:117     140:481     141:163     142:394    
 143:212     144:290     145:43      146:322     147:149     148:397    
 149:145     150:115     151:142     152:94      153:120     154:5      
 155:252     156:155     157:184     158:161     159:155     160:105    
 161:92      162:235     163:145     164:461     165:407     166:235    
 167:278     168:494     169:119     170:399     171:16      172:1      
 189:391     190:593     192:5808    193:3811    194:3128    195:2285   
 196:1005    198:3826    199:3375    200:4757    201:977     202:7290   
 203:7491    204:4085    205:2195    206:2566    207:3131    208:3313   
 209:3733    210:2486    211:980     212:1355    213:1506    214:406    
 215:41      216:4186    217:1143    218:373     219:361     220:933    
 221:400     222:272    

End of report