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



Routing Table Report   00:00 GMT Mon 21 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/2007/05/21

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

BGP routing table entries examined:                              230752
    Prefixes after maximum aggregation:                          119699
    Deaggregation factor:                                          1.93
    Unique aggregates announced to Internet:                     107088
Total ASes present in the Internet Routing Table:                 25286
    Prefixes per ASN:                                              9.13
Origin-only ASes present in the Internet Routing Table:           21902
Origin ASes announcing only one prefix:                           10640
Transit ASes present in the Internet Routing Table:                3384
Transit-only ASes present in the Internet Routing Table:             80
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      25
    Max AS path prepend of ASN (25086)                               13
Prefixes from unregistered ASNs in the Routing Table:                22
    Unregistered ASNs in the Routing Table:                          17
Prefixes from 32-bit ASNs in the Routing Table:                       5
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1719825980
    Equivalent to 102 /8s, 130 /16s and 118 /24s
    Percentage of available address space announced:               46.4
    Percentage of allocated address space announced:               61.5
    Percentage of available address space allocated:               75.5
Total number of prefixes smaller than registry allocations:      123666

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

Prefixes being announced by APNIC Region ASes:                    52016
    Total APNIC prefixes after maximum aggregation:               20501
    APNIC Deaggregation factor:                                    2.54
Prefixes being announced from the APNIC address blocks:           48898
    Unique aggregates announced from the APNIC address blocks:    21212
APNIC Region origin ASes present in the Internet Routing Table:    2951
    APNIC Prefixes per ASN:                                       16.57
APNIC Region origin ASes announcing only one prefix:                785
APNIC Region transit ASes present in the Internet Routing Table:    455
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         18
Number of APNIC addresses announced to Internet:              293200492
    Equivalent to 17 /8s, 121 /16s and 226 /24s
    Percentage of available APNIC address space announced:         72.6

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:                    113524
    Total ARIN prefixes after maximum aggregation:                63426
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:            84688
    Unique aggregates announced from the ARIN address blocks:     30673
ARIN Region origin ASes present in the Internet Routing Table:    11592
    ARIN Prefixes per ASN:                                         7.31
ARIN Region origin ASes announcing only one prefix:                4449
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:               333636320
    Equivalent to 19 /8s, 226 /16s and 226 /24s
    Percentage of available ARIN address space announced:          73.7

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:                     47321
    Total RIPE prefixes after maximum aggregation:                30593
    RIPE Deaggregation factor:                                     1.55
Prefixes being announced from the RIPE address blocks:            43905
    Unique aggregates announced from the RIPE address blocks:     28130
RIPE Region origin ASes present in the Internet Routing Table:     9681
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                5090
RIPE Region transit ASes present in the Internet Routing Table:    1589
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          25
Number of RIPE addresses announced to Internet:               306100288
    Equivalent to 18 /8s, 62 /16s and 184 /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:                   15185
    Total LACNIC prefixes after maximum aggregation:               4139
    LACNIC Deaggregation factor:                                   3.67
Prefixes being announced from the LACNIC address blocks:          13273
    Unique aggregates announced from the LACNIC address blocks:    7253
LACNIC Region origin ASes present in the Internet Routing Table:    791
    LACNIC Prefixes per ASN:                                      16.78
LACNIC Region origin ASes announcing only one prefix:               259
LACNIC Region transit ASes present in the Internet Routing Table:   138
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              38868480
    Equivalent to 2 /8s, 81 /16s and 22 /24s
    Percentage of available LACNIC address space announced:        57.9

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:                   2680
    Total AfriNIC prefixes after maximum aggregation:              1030
    AfriNIC Deaggregation factor:                                  2.60
Prefixes being announced from the AfriNIC address blocks:          2041
    Unique aggregates announced from the AfriNIC address blocks:   1181
AfriNIC Region origin ASes present in the Internet Routing Table:   190
    AfriNIC Prefixes per ASN:                                     10.74
AfriNIC Region origin ASes announcing only one prefix:               57
AfriNIC Region transit ASes present in the Internet Routing Table:   36
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              6060544
    Equivalent to 0 /8s, 92 /16s and 122 /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     1280       9681         274   CHINANET-BACKBONE
 4755     1216        383          72   Videsh Sanchar Nigam Ltd. Aut
 9583     1107         79         380   Sify Limited
 9498      976        469          72   BHARTI BT INTERNET LTD.
23577      924         35         821   Korea Telecom (ATM-MPLS)
 4766      783       4943         312   Korea Telecom (KIX)
17488      675         44          35   Hathway IP Over Cable Interne
 7545      629        142          79   TPG Internet Pty Ltd
 1221      592       1954         435   Telstra Pty Ltd
18101      543        116          35   Reliance Infocom Ltd Internet
 4668      508         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 7474      483        218         271   SingTel Optus Pty Ltd
 4812      460        807          76   China Telecom (Shanghai)
 9443      455        115          75   Primus Telecommunications
 9942      445         77         117   COMindico Australia
 4802      411         86         148   Wantree Development
 9829      363        258          15   BSNL National Internet Backbo
17557      353         37         167   Pakistan Telecom
17974      350        129          12   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119      956        914         655   Telenor Internet Access
  702      518       1939         411   UUNET - Commercial IP service
24863      345         47          31   LINKdotNET AS number
 5089      310       1658          53   NTL Group Limited
 3301      309       1455         289   TeliaNet Sweden
 3320      305       4994         252   Deutsche Telekom AG
 6746      278        128         254   Dynamic Network Technologies,
  680      257       2044         250   DFN-IP service G-WiN
 8220      252        460         242   COLT Telecommunications
 3215      240       2256          92   France Telecom Transpac
 1257      235       1180         170   SWIPnet Swedish IP Network
 8708      235        287         228   Romania Data Systems S.A.
 3269      216       2647          74   TELECOM ITALIA
 3246      206        337         192   Song Networks
 3352      201       1783          37   Ibernet, Internet Access Netw
30890      201         17          93   SC Kappa Invexim SRL
20858      197         34           4   EgyNet
 9116      196        136          25   Goldenlines main autonomous s
 3300      191        171          91   AUCS Communications Services 
 2856      187       2318         146   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     4985       6611         719   UUNET Technologies, Inc. 
 7018     1507       6170         992   AT&T WorldNet Services
 4323     1263       1027         359   Time Warner Telecom
 2386     1148        595         754   AT&T Data Communications Serv
 6478     1099        342         124   AT&T Worldnet Services 
11492     1055        104          23   Cable One 
 6197     1031        687         511   BellSouth Network Solutions, 
18566     1007        288           9   Covad Communications 
  174      953       6791         862   Cogent Communications
  705      839        492         375   UUNET Technologies, Inc. 
 1239      819       2724         579   Sprint 
20115      805        725         433   Charter Communications 
 7011      793        226         474   Citizens Utilities 
 7046      785        264         646   UUNET Technologies, Inc. 
19262      771       2628         204   Verizon Global Networks 
  209      733       3849         585   Qwest 
22773      716       1888          43   Cox Communications, Inc.
  577      646        793         205   Bell Advanced Communications 
  852      606       1098         372   Telus Advanced Communications
 5668      599        160          17   CenturyTel Internet Holdings,

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

  ASN   No of nets  Net Savings Description
 4755      1216        1144      Videsh Sanchar Nigam Ltd. Aut
 8151      1244        1032      UniNet S.A. de C.V. 
11492      1055        1032      Cable One 
 4134      1280        1006      CHINANET-BACKBONE
18566      1007         998      Covad Communications 
 6478      1099         975      AT&T Worldnet Services 
 4323      1263         904      Time Warner Telecom
 9498       976         904      BHARTI BT INTERNET LTD.
 9583      1107         727      Sify Limited
22773       716         673      Cox Communications, Inc.
17488       675         640      Hathway IP Over Cable Interne
 5668       599         582      CenturyTel Internet Holdings,
19262       771         567      Verizon Global Networks 
 7545       629         550      TPG Internet Pty Ltd
 6197      1031         520      BellSouth Network Solutions, 
19916       568         517      OLM LLC 
 7018      1507         515      AT&T WorldNet Services
 7029       587         508      Alltel Information Services, 
18101       543         508      Reliance Infocom Ltd Internet
15270       534         499      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.
65242   PRIVATE       64.222.142.0/24      13674       Bell Atlantic Global
64858   PRIVATE       84.36.180.0/24       20858       EgyNet
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65027   PRIVATE       135.196.97.168/29     8190       VIATEL 
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
64540   PRIVATE       195.47.75.48/28       6721       The Terminal Bar: In
65000   PRIVATE       195.47.102.0/25       6721       The Terminal Bar: In
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 
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      /12:125     
/13:249     /14:453     /15:875     /16:9409    /17:3926    /18:6485    
/19:13560   /20:15597   /21:14138   /22:18755   /23:20177   /24:123220  
/25:1005    /26:1122    /27:561     /28:250     /29:191     /30:471     
/31:0       /32:106     

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

  ASN   No of nets  Total ann.   Description
  701     3740          4985      UUNET Technologies, Inc. 
 6478     1090          1099      AT&T Worldnet Services 
11492     1041          1055      Cable One 
18566      989          1007      Covad Communications 
 9583      946          1107      Sify Limited
23577      910           924      Korea Telecom (ATM-MPLS)
 2119      856           956      Telenor Internet Access
 2386      845          1148      AT&T Data Communications Serv
 7018      809          1507      AT&T WorldNet Services
 6197      791          1031      BellSouth Network Solutions, 
 7011      695           793      Citizens Utilities 
 9498      648           976      BHARTI BT INTERNET LTD.
 8151      623          1244      UniNet S.A. de C.V. 
 4755      611          1216      Videsh Sanchar Nigam Ltd. Aut
 4766      590           783      Korea Telecom (KIX)
19916      563           568      OLM LLC 
  705      545           839      UUNET Technologies, Inc. 
 7046      538           785      UUNET Technologies, Inc. 
 4323      523          1263      Time Warner Telecom
15270      501           534      PaeTec.net -a division of Pae

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

   4:8         7:1         8:80        9:1        10:1        12:1822   
  15:19       16:3        17:3        18:8        20:38       24:944    
  25:1        32:173      33:2        38:313      40:60       41:130    
  43:6        44:2        47:5        52:4        55:2        56:3      
  57:52       58:402      59:379      60:276      61:956      62:1028   
  63:3394     64:3234     65:3725     66:3372     67:825      68:638    
  69:1846     70:520      71:105      72:1326     73:1        74:461    
  75:261      76:58       77:196      78:1        80:860      81:804    
  82:705      83:406      84:456      85:806      86:350      87:463    
  88:269      89:870      90:7        91:301      97:6       116:74     
 121:189     122:524     123:105     124:795     125:933     128:281    
 129:223     130:127     131:366     132:52      133:10      134:192    
 135:39      136:185     137:85      138:139     139:122     140:478    
 141:170     142:392     143:233     144:292     145:43      146:322    
 147:120     148:387     149:146     150:113     151:160     152:94     
 153:123     154:5       155:253     156:151     157:190     158:160    
 159:159     160:106     161:93      162:235     163:185     164:460    
 165:401     166:239     167:273     168:501     169:120     170:401    
 171:16      172:1       189:469     190:617     192:5825    193:3869   
 194:3160    195:2292    196:1003    198:3857    199:3379    200:4764   
 201:1016    202:7349    203:7592    204:4096    205:2190    206:2570   
 207:3134    208:3349    209:3705    210:2496    211:1009    212:1355   
 213:1522    214:406     215:40      216:4182    217:1151    218:376    
 219:368     220:959     221:405     222:264    

End of report