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[bgp-stats] Routing Table Report - RouteViews-3 view



Routing Table Report   00:00 GMT Wed 28 May, 2008

NB: RouteViews data includes iBGP information from some ASNs.
    Treat the information provided below appropriately.

Report Website:     http://thyme.apnic.net
Detailed Analysis:  http://thyme.apnic.net/rviews/

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

BGP routing table entries examined:                              266761
    Prefixes after maximum aggregation:                          128856
    Deaggregation factor:                                          2.07
    Unique aggregates announced to Internet:                     124818
Total ASes present in the Internet Routing Table:                 28354
    Prefixes per ASN:                                              9.41
Origin-only ASes present in the Internet Routing Table:           24662
Origin ASes announcing only one prefix:                           11886
Transit ASes present in the Internet Routing Table:                3692
Transit-only ASes present in the Internet Routing Table:             86
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (12026)                               22
Prefixes from unregistered ASNs in the Routing Table:               663
    Unregistered ASNs in the Routing Table:                         251
Number of 32-bit ASNs allocated by the RIRs:                         48
Prefixes from 32-bit ASNs in the Routing Table:                       8
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            804
Number of addresses announced to Internet:                   1890222190
    Equivalent to 112 /8s, 170 /16s and 128 /24s
    Percentage of available address space announced:               51.0
    Percentage of allocated address space announced:               62.6
    Percentage of available address space allocated:               81.4
    Percentage of address space in use by end-sites:               72.0
Total number of prefixes smaller than registry allocations:      131040

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

Prefixes being announced by APNIC Region ASes:                    63375
    Total APNIC prefixes after maximum aggregation:               21731
    APNIC Deaggregation factor:                                    2.92
Prefixes being announced from the APNIC address blocks:           60496
    Unique aggregates announced from the APNIC address blocks:    23908
APNIC Region origin ASes present in the Internet Routing Table:    3254
    APNIC Prefixes per ASN:                                       18.59
APNIC Region origin ASes announcing only one prefix:                864
APNIC Region transit ASes present in the Internet Routing Table:    515
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         23
Number of APNIC addresses announced to Internet:              349970656
    Equivalent to 20 /8s, 220 /16s and 32 /24s
    Percentage of available APNIC address space announced:         80.2

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 114/8, 115/8, 116/8,
                       117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
                       124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8,
                       218/8, 219/8, 220/8, 221/8, 222/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    121261
    Total ARIN prefixes after maximum aggregation:                66330
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            90200
    Unique aggregates announced from the ARIN address blocks:     34439
ARIN Region origin ASes present in the Internet Routing Table:    12192
    ARIN Prefixes per ASN:                                         7.40
ARIN Region origin ASes announcing only one prefix:                4695
ARIN Region transit ASes present in the Internet Routing Table:    1173
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          25
Number of ARIN addresses announced to Internet:               359527041
    Equivalent to 21 /8s, 109 /16s and 242 /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, 46080-47103
ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                        69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                        76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                       199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     55693
    Total RIPE prefixes after maximum aggregation:                33938
    RIPE Deaggregation factor:                                     1.64
Prefixes being announced from the RIPE address blocks:            51036
    Unique aggregates announced from the RIPE address blocks:     33870
RIPE Region origin ASes present in the Internet Routing Table:    11391
    RIPE Prefixes per ASN:                                         4.48
RIPE Region origin ASes announcing only one prefix:                5942
RIPE Region transit ASes present in the Internet Routing Table:    1731
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          20
Number of RIPE addresses announced to Internet:               358386240
    Equivalent to 21 /8s, 92 /16s and 138 /24s
    Percentage of available RIPE address space announced:          82.2

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
                       40960-45055, 47104-48127
RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                       194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes:                   21894
    Total LACNIC prefixes after maximum aggregation:               5121
    LACNIC Deaggregation factor:                                   4.28
Prefixes being announced from the LACNIC address blocks:          20205
    Unique aggregates announced from the LACNIC address blocks:   10302
LACNIC Region origin ASes present in the Internet Routing Table:    954
    LACNIC Prefixes per ASN:                                      21.18
LACNIC Region origin ASes announcing only one prefix:               310
LACNIC Region transit ASes present in the Internet Routing Table:   164
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC addresses announced to Internet:              51755368
    Equivalent to 3 /8s, 21 /16s and 185 /24s
    Percentage of available LACNIC address space announced:        51.4

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   3876
    Total AfriNIC prefixes after maximum aggregation:              1207
    AfriNIC Deaggregation factor:                                  3.21
Prefixes being announced from the AfriNIC address blocks:          4182
    Unique aggregates announced from the AfriNIC address blocks:   1858
AfriNIC Region origin ASes present in the Internet Routing Table:   244
    AfriNIC Prefixes per ASN:                                     17.14
AfriNIC Region origin ASes announcing only one prefix:               75
AfriNIC Region transit ASes present in the Internet Routing Table:   48
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC addresses announced to Internet:             12311296
    Equivalent to 0 /8s, 187 /16s and 219 /24s
    Percentage of available AfriNIC address space announced:       36.7

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     3592      12693         320   CHINANET-BACKBONE
 4538     2040       3134          41   China Education and Research 
 4755     1583        382         135   Videsh Sanchar Nigam Ltd. Aut
 9498     1165        550          61   BHARTI BT INTERNET LTD.
 9583     1150        140          15   Sify Limited
17488     1067         70          76   Hathway IP Over Cable Interne
23577      838         34         744   Korea Telecom (ATM-MPLS)
 4766      815       6005         344   Korea Telecom (KIX)
18101      679        150          52   Reliance Infocom Ltd Internet
 9829      598        450          12   BSNL National Internet Backbo

Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     1994       3086         177   bellsouth.net, inc. 
 4323     1464       1045         379   Time Warner Telecom
 2386     1435        645         879   AT&T Data Communications Serv
 3549     1421        540         208   Global Crossing 
 7018     1376       9917         975   AT&T WorldNet Services
11492     1222        148          12   Cable One 
 1803     1174          6         924   SPRINT 
 7011     1090        302         618   Citizens Utilities 
18566     1044        296          10   Covad Communications 
 1785     1021        510         105   AppliedTheory Corporation 

Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3292      410       1772         368   TDC Tele Danmark
 8452      356        188           7   TEDATA
 3301      338       1460         306   TeliaNet Sweden
 3320      316       7043         265   Deutsche Telekom AG
 8866      297         77          21   Bulgarian Telecommunication C
 5462      294        666          26   Telewest Broadband
 3215      284       2702          93   France Telecom Transpac
 8551      282        269          38   Bezeq International
  680      275       2047         265   DFN-IP service G-WiN
 1257      268       1205         208   SWIPnet Swedish IP Network

Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7303     1633        226          67   Telecom Argentina Stet-France
 8151     1231       2464         227   UniNet S.A. de C.V. 
11830      602        299           9   Instituto Costarricense de El
22047      565        270          14   VTR PUNTO NET S.A. 
16814      426         27          10   NSS, S.A. 
 6471      414         85          46   ENTEL CHILE S.A. 
11172      410        118          68   Servicios Alestra S.A de C.V 
10620      390         99          69   TVCABLE BOGOTA 
14117      375         23           9   Telefonica del Sur S.A. 
16735      362         92          11   Companhia de Telecomunicacoes

Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
24863      471         61          27   LINKdotNET AS number
 3741      278        853         223   The Internet Solution 
20858      224         34           3   EgyNet
 2018      182        173          82   Tertiary Education Network 
 5713      174        575         108   Telkom SA Ltd 
 6713      146        136          12   Itissalat Al-MAGHRIB
33783      134         10          12   EEPAD TISP TELECOM & INTERNET
 5536      121          8          16   Internet Egypt Network
29571      100         13           8   Ci Telecom Autonomous system 
33776      100          6           3   Starcomms Nigeria Limited

Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4134     3592      12693         320   CHINANET-BACKBONE
 4538     2040       3134          41   China Education and Research 
 6389     1994       3086         177   bellsouth.net, inc. 
 7303     1633        226          67   Telecom Argentina Stet-France
 4755     1583        382         135   Videsh Sanchar Nigam Ltd. Aut
 4323     1464       1045         379   Time Warner Telecom
 2386     1435        645         879   AT&T Data Communications Serv
 3549     1421        540         208   Global Crossing 
 7018     1376       9917         975   AT&T WorldNet Services
 8151     1231       2464         227   UniNet S.A. de C.V. 

Complete listing at http://thyme.apnic.net/rviews/data-ASnet

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

  ASN   No of nets  Net Savings Description
 4538      2040        1999      China Education and Research 
 6389      1994        1817      bellsouth.net, inc. 
 7303      1633        1566      Telecom Argentina Stet-France
 4755      1583        1448      Videsh Sanchar Nigam Ltd. Aut
 3549      1421        1213      Global Crossing 
11492      1222        1210      Cable One 
 9583      1150        1135      Sify Limited
 9498      1165        1104      BHARTI BT INTERNET LTD.
 4323      1464        1085      Time Warner Telecom
18566      1044        1034      Covad Communications 

Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet

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

Bad AS  Designation  Network              Transit AS  Description
16927   UNALLOCATED   12.0.252.0/23          701       UUNET Technologies, 
22492   UNALLOCATED   12.2.46.0/24          7018       AT&T WorldNet Servic
15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic

Complete listing at http://thyme.apnic.net/rviews/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
10.29.246.49/32        286     KPNQwest Backbone AS
10.29.248.65/32        286     KPNQwest Backbone AS
10.29.248.71/32        286     KPNQwest Backbone AS
172.30.254.0/24       4771     Netgate

Complete listing at http://thyme.apnic.net/rviews/data-dsua

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

Network            Origin AS  Description
24.51.159.0/24        7843     Adelphia Corp. 
24.54.224.0/19       20001     HoldCo LLC - Road Runner 
24.75.160.0/19        7843     Adelphia Corp. 
24.75.192.0/18        7843     Adelphia Corp. 
24.142.40.0/21        7018     AT&T WorldNet Services
24.142.160.0/19       7018     AT&T WorldNet Services
24.246.0.0/17         7018     AT&T WorldNet Services
24.246.128.0/18       7018     AT&T WorldNet Services
62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
63.140.213.0/24      22555     Universal Talkware Corporatio

Complete listing at http://thyme.apnic.net/rviews/data-add-IANA

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:20       /9:9       /10:16      /11:43      /12:142     
/13:286     /14:520     /15:1019    /16:9997    /17:4461    /18:7429    
/19:15707   /20:18478   /21:18036   /22:23392   /23:23639   /24:139785  
/25:856     /26:1096    /27:365     /28:695     /29:346     /30:212     
/31:0       /32:212     

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

  ASN   No of nets  Total ann.   Description
 4134     2342          3592      CHINANET-BACKBONE
 6389     1231          1994      bellsouth.net, inc. 
11492     1204          1222      Cable One 
 1803     1153          1174      SPRINT 
 7303     1138          1633      Telecom Argentina Stet-France
 2386     1133          1435      AT&T Data Communications Serv
 3549     1048          1421      Global Crossing 
18566     1025          1044      Covad Communications 
 9583      988          1150      Sify Limited
 4538      974          2040      China Education and Research 

Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos

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

   4:9         8:109      12:2070     13:1        14:1        15:20     
  16:3        17:5        18:13       20:37       24:1076     25:1      
  32:199      33:3        38:424      40:93       41:647      43:1      
  44:2        47:12       52:3        55:3        56:3        57:46     
  58:588      59:507      60:443      61:1203     62:1134     63:1957   
  64:3585     65:2417     66:3693     67:1208     68:681      69:2244   
  70:635      71:125      72:1758     73:5        74:977      75:216    
  76:330      77:666      78:616      79:169      80:895      81:858    
  82:595      83:405      84:579      85:1023     86:421      87:690    
  88:325      89:1208     90:11       91:1260     92:184      93:502    
  96:31       97:18       98:173      99:3       114:16      116:684    
 117:326     118:180     119:433     120:40      121:536     122:776    
 123:350     124:873     125:1450    128:325     129:203     130:131    
 131:403     132:66      133:9       134:178     135:33      136:220    
 137:90      138:151     139:76      140:484     141:99      142:398    
 143:307     144:352     145:50      146:377     147:153     148:500    
 149:184     150:131     151:184     152:144     153:135     154:11     
 155:273     156:174     157:272     158:165     159:222     160:257    
 161:114     162:228     163:186     164:525     165:459     166:325    
 167:323     168:611     169:131     170:445     171:28      172:11     
 189:188     190:2187    192:5797    193:4105    194:3234    195:2490   
 196:1076    198:3745    199:3262    200:6011    201:1599    202:8221   
 203:7883    204:4007    205:2087    206:2494    207:2827    208:3508   
 209:3537    210:2900    211:1211    212:1404    213:1639    214:468    
 215:49      216:4393    217:1196    218:512     219:516     220:1196   
 221:522     222:595    

End of report