[afnog] Weekly Routing Table Report

[Graham Beneke]

On 14/10/2011 21:21, Routing Analysis Role Account wrote:
> AfriNIC Region Analysis Summary
> -------------------------------
>
> Prefixes being announced by AfriNIC Region ASes:                   8488
>      Total AfriNIC prefixes after maximum aggregation:              2006
>      *AfriNIC Deaggregation factor:                                  4.23*
> Prefixes being announced from the AfriNIC address blocks:          6576
>      Unique aggregates announced from the AfriNIC address blocks:   1966
> AfriNIC Region origin ASes present in the Internet Routing Table:   486
>      AfriNIC Prefixes per ASN:                                     13.53
> AfriNIC Region origin ASes announcing only one prefix:              152
> AfriNIC Region transit ASes present in the Internet Routing Table:  105
> Average AfriNIC Region AS path length visible:                      4.6
>      Max AfriNIC Region AS path length visible:                       25
> Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
> Number of AfriNIC addresses announced to Internet:             27811072
>      Equivalent to 1 /8s, 168 /16s and 93 /24s
>      Percentage of available AfriNIC address space announced:       41.4

Why is the AfriNIC de-aggregation factor almost double the global average?

> AfriNIC Region per AS prefix count summary
> ------------------------------------------
>
>    ASN   No of nets  /20 equiv  MaxAgg  Description
> 24863      802        146          36   LINKdotNET AS number
>   8452      633        446          12   TEDATA
> 15475      444         74           8   Nile Online
> 36992      298        415          19   Etisalat MISR
>   3741      278        938         230   The Internet Solution
> 15706      244         32           6   Sudatel Internet Exchange Aut
>   6713      242        519          14   Itissalat Al-MAGHRIB
> 29571      217         17          13   Ci Telecom Autonomous system
> 33776      207         13          14   Starcomms Nigeria Limited
> 12258      198         28          58   Vodacom Internet Company


-- 
Graham Beneke