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



Routing Table Report   00:00 GMT Wed 07 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:                              262792
    Prefixes after maximum aggregation:                          128367
    Deaggregation factor:                                          2.05
    Unique aggregates announced to Internet:                     123973
Total ASes present in the Internet Routing Table:                 28142
    Prefixes per ASN:                                              9.34
Origin-only ASes present in the Internet Routing Table:           24443
Origin ASes announcing only one prefix:                           11396
Transit ASes present in the Internet Routing Table:                3699
Transit-only ASes present in the Internet Routing Table:             82
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (17957)                               20
Prefixes from unregistered ASNs in the Routing Table:             25461
    Unregistered ASNs in the Routing Table:                        1900
Number of 32-bit ASNs allocated by the RIRs:                         46
Prefixes from 32-bit ASNs in the Routing Table:                      11
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            786
Number of addresses announced to Internet:                   1867661231
    Equivalent to 111 /8s, 82 /16s and 63 /24s
    Percentage of available address space announced:               50.4
    Percentage of allocated address space announced:               61.9
    Percentage of available address space allocated:               81.4
    Percentage of address space in use by end-sites:               71.7
Total number of prefixes smaller than registry allocations:      127987

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

Prefixes being announced by APNIC Region ASes:                    45194
    Total APNIC prefixes after maximum aggregation:               13506
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:           57461
    Unique aggregates announced from the APNIC address blocks:    23534
APNIC Region origin ASes present in the Internet Routing Table:    1945
    APNIC Prefixes per ASN:                                       29.54
APNIC Region origin ASes announcing only one prefix:                555
APNIC Region transit ASes present in the Internet Routing Table:    359
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         20
Number of APNIC addresses announced to Internet:              347510240
    Equivalent to 20 /8s, 182 /16s and 149 /24s
    Percentage of available APNIC address space announced:         79.7

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:                    111146
    Total ARIN prefixes after maximum aggregation:                60382
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            89479
    Unique aggregates announced from the ARIN address blocks:     34494
ARIN Region origin ASes present in the Internet Routing Table:    11803
    ARIN Prefixes per ASN:                                         7.58
ARIN Region origin ASes announcing only one prefix:                4606
ARIN Region transit ASes present in the Internet Routing Table:    1083
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          21
Number of ARIN addresses announced to Internet:               360148225
    Equivalent to 21 /8s, 119 /16s and 109 /24s
    Percentage of available ARIN address space announced:          74.0

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:                     55629
    Total RIPE prefixes after maximum aggregation:                33663
    RIPE Deaggregation factor:                                     1.65
Prefixes being announced from the RIPE address blocks:            50976
    Unique aggregates announced from the RIPE address blocks:     33605
RIPE Region origin ASes present in the Internet Routing Table:    11289
    RIPE Prefixes per ASN:                                         4.52
RIPE Region origin ASes announcing only one prefix:                5884
RIPE Region transit ASes present in the Internet Routing Table:    1749
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          29
Number of RIPE addresses announced to Internet:               355652929
    Equivalent to 21 /8s, 50 /16s and 213 /24s
    Percentage of available RIPE address space announced:          81.5

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:                   21547
    Total LACNIC prefixes after maximum aggregation:               4938
    LACNIC Deaggregation factor:                                   4.36
Prefixes being announced from the LACNIC address blocks:          20010
    Unique aggregates announced from the LACNIC address blocks:    9876
LACNIC Region origin ASes present in the Internet Routing Table:    895
    LACNIC Prefixes per ASN:                                      22.36
LACNIC Region origin ASes announcing only one prefix:               273
LACNIC Region transit ASes present in the Internet Routing Table:   152
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC addresses announced to Internet:              50974536
    Equivalent to 3 /8s, 9 /16s and 207 /24s
    Percentage of available LACNIC address space announced:        50.6

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:                   3816
    Total AfriNIC prefixes after maximum aggregation:              1210
    AfriNIC Deaggregation factor:                                  3.15
Prefixes being announced from the AfriNIC address blocks:          4155
    Unique aggregates announced from the AfriNIC address blocks:   1847
AfriNIC Region origin ASes present in the Internet Routing Table:   243
    AfriNIC Prefixes per ASN:                                     17.10
AfriNIC Region origin ASes announcing only one prefix:               78
AfriNIC Region transit ASes present in the Internet Routing Table:   50
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:             11772928
    Equivalent to 0 /8s, 179 /16s and 164 /24s
    Percentage of available AfriNIC address space announced:       35.1

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
 4538     2054       3134          41   China Education and Research 
 4755     1628        387          90   Videsh Sanchar Nigam Ltd. Aut
 9583     1182        140          15   Sify Limited
 9498     1172        550          62   BHARTI BT INTERNET LTD.
17488     1064         70          76   Hathway IP Over Cable Interne
 4134      866      12615         319   CHINANET-BACKBONE
 4766      816       6006         346   Korea Telecom (KIX)
18101      680        149          54   Reliance Infocom Ltd Internet
 9829      598        450          12   BSNL National Internet Backbo
 1221      543       1918         417   Telstra Pty Ltd

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
 3549     1425        540         204   Global Crossing 
 4323     1424       1014         377   Time Warner Telecom
 2386     1399        643         864   AT&T Data Communications Serv
 7018     1394      10063         986   AT&T WorldNet Services
11492     1212        146          33   Cable One 
 1803     1133          6         898   SPRINT 
 7011     1095        319         624   Citizens Utilities 
18566     1044        296          10   Covad Communications 
 1785     1017        511         106   AppliedTheory Corporation 
 6197      989        598         508   BellSouth Network Solutions, 

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      411       1788         368   TDC Tele Danmark
 9198      367         74           9   Kazakhtelecom Data Network Ad
 8452      356        188           7   TEDATA
 3301      338       1458         306   TeliaNet Sweden
 3320      324       7044         267   Deutsche Telekom AG
 5462      298        666          26   Telewest Broadband
 8866      297         78          24   Bulgarian Telecommunication C
 8551      282        269          37   Bezeq International
 3215      277       2678          89   France Telecom Transpac
  680      272       2047         262   DFN-IP service G-WiN

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     1602        222          59   Telecom Argentina Stet-France
 8151     1198       2433         225   UniNet S.A. de C.V. 
11830      601        299           9   Instituto Costarricense de El
22047      566        270          14   VTR PUNTO NET S.A. 
16814      426         27          10   NSS, S.A. 
 6471      416         85          46   ENTEL CHILE S.A. 
11172      415        117          69   Servicios Alestra S.A de C.V 
10620      390         99          69   TVCABLE BOGOTA 
14117      384         25          15   Telefonica del Sur S.A. 
20299      343         36          31   NEWCOM AMERICAS 

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      463         60          26   LINKdotNET AS number
 3741      277        853         223   The Internet Solution 
20858      218         34           3   EgyNet
 2018      173        189          83   Tertiary Education Network 
 5713      168        560         120   Telkom SA Ltd 
 6713      144        135          11   Itissalat Al-MAGHRIB
33783      134         10          12   EEPAD TISP TELECOM & INTERNET
 5536      121          8          16   Internet Egypt Network
29571      116         13           8   Ci Telecom Autonomous system 
33776       99          6           7   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
 6389     2896       3020         115   bellsouth.net, inc. 
 4538     2054       3134          41   China Education and Research 
23577     1682         33         748   Korea Telecom (ATM-MPLS)
 4755     1628        387          90   Videsh Sanchar Nigam Ltd. Aut
 7303     1602        222          59   Telecom Argentina Stet-France
 3549     1425        540         204   Global Crossing 
 4323     1424       1014         377   Time Warner Telecom
 2386     1399        643         864   AT&T Data Communications Serv
 7018     1394      10063         986   AT&T WorldNet Services
11492     1212        146          33   Cable One 

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

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

  ASN   No of nets  Net Savings Description
 4538      2054        2013      China Education and Research 
 7303      1602        1543      Telecom Argentina Stet-France
 4755      1628        1538      Videsh Sanchar Nigam Ltd. Aut
 3549      1425        1221      Global Crossing 
11492      1212        1179      Cable One 
 9583      1182        1167      Sify Limited
 9498      1172        1110      BHARTI BT INTERNET LTD.
 4323      1424        1047      Time Warner Telecom
18566      1044        1034      Covad Communications 
17488      1064         988      Hathway IP Over Cable Interne

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

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

Bad AS  Designation  Network              Transit AS  Description
14780   UNALLOCATED   4.79.181.0/24        10310       Yahoo! 
12180   UNALLOCATED   4.79.248.0/24         3561       Savvis
11096   UNALLOCATED   8.6.245.0/24          6939       Hurricane Electric 
12180   UNALLOCATED   8.10.16.0/24          3549       Global Crossing 
12180   UNALLOCATED   8.10.58.0/23         22212       netVMG, Inc.
14779   UNALLOCATED   8.12.144.0/24        10310       Yahoo! 
16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
22492   UNALLOCATED   12.2.46.0/24          1239       Sprint 
15132   UNALLOCATED   12.9.150.0/24          701       UUNET Technologies, 
32567   UNALLOCATED   12.14.170.0/24        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
41.215.0.0/17        15808     Communication Solutions Ltd i
62.61.220.0/24       24974     Tachyon Europe BV - Wireless 

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        /8:19       /9:9       /10:16      /11:43      /12:140     
/13:284     /14:511     /15:1008    /16:9964    /17:4435    /18:7357    
/19:15532   /20:18223   /21:17619   /22:22503   /23:23170   /24:138284  
/25:845     /26:1013    /27:382     /28:687     /29:342     /30:204     
/31:0       /32:202     

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

  ASN   No of nets  Total ann.   Description
11492     1198          1212      Cable One 
 1803     1114          1133      SPRINT 
 7303     1110          1602      Telecom Argentina Stet-France
 2386     1098          1399      AT&T Data Communications Serv
 3549     1054          1425      Global Crossing 
18566     1025          1044      Covad Communications 
 9583     1018          1182      Sify Limited
 4538      987          2054      China Education and Research 
 7011      978          1095      Citizens Utilities 
 4755      977          1628      Videsh Sanchar Nigam Ltd. Aut

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

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

   4:9         8:107      12:2044     13:1        14:1        15:20     
  16:3        17:5        18:13       20:36       24:1069     25:1      
  32:200      33:4        38:423      40:94       41:658      44:2      
  47:8        52:3        55:3        56:3        57:45       58:582    
  59:496      60:440      61:994      62:1150     63:1970     64:3654   
  65:2439     66:3692     67:1188     68:672      69:2209     70:602    
  71:125      72:1676     73:6        74:950      75:231      76:320    
  77:652      78:604      79:152      80:906      81:866      82:633    
  83:398      84:558      85:1007     86:405      87:666      88:342    
  89:1277     90:11       91:1205     92:285      93:428      96:28     
  97:14       98:155      99:3       116:654     117:311     118:125    
 119:374     120:25      121:529     122:769     123:328     124:852    
 125:1130    128:321     129:201     130:129     131:405     132:67     
 133:9       134:180     135:33      136:222     137:112     138:149    
 139:327     140:483     141:96      142:400     143:285     144:349    
 145:51      146:374     147:152     148:502     149:185     150:131    
 151:180     152:144     153:133     154:11      155:268     156:173    
 157:268     158:167     159:221     160:255     161:111     162:212    
 163:196     164:520     165:458     166:329     167:320     168:613    
 169:128     170:443     171:28      172:3       189:206     190:1998   
 192:5786    193:4101    194:3275    195:2468    196:1071    198:3737   
 199:3240    200:6045    201:1623    202:8135    203:7849    204:4018   
 205:2094    206:2486    207:2810    208:3478    209:3544    210:2912   
 211:1202    212:1418    213:1656    214:459     215:50      216:4399   
 217:1235    218:398     219:488     220:1070    221:479     222:370    


End of report