Report for 12091

Name

MTNNS-1, ZA

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

12091 MTNNS-1, ZA

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS16637         MTNNS-AS, ZA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
355   AS12091        ORIGIN  Originate:    1385984 /11.60  Transit:          0 /0.00  MTNNS-1, ZA

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
  934 AS12091       MTNNS-1, ZA                                      116     87     22     51     65  56.03%


  Prefix               AS Path                              Aggregation Suggestion
  41.112.0.0/19        4777 2497 1299 16637 12091 + Announce - aggregate of 41.112.0.0/20 (4777 2497 1299 16637 12091) and 41.112.16.0/20 (4777 2497 1299 16637 12091)
  41.112.0.0/20        4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.112.16.0/20 (4777 2497 1299 16637 12091)
  41.112.16.0/20       4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.112.0.0/20 (4777 2497 1299 16637 12091)
  41.112.32.0/20       4777 2497 1299 16637 12091   
  41.112.64.0/19       4777 2497 1299 16637 12091   
  41.112.144.0/20      4777 2497 3356 16637 12091   
  41.112.160.0/20      4777 2497 1299 16637 12091   
  41.112.224.0/20      4777 2497 1299 16637 12091   
  41.112.240.0/20      4777 2497 174 16637 12091   
  41.113.0.0/17        4777 2497 1299 16637 12091   
  41.113.128.0/17      4777 2497 174 16637 12091   
  41.114.0.0/17        4777 2497 3356 16637 12091   
  41.114.64.0/18       4777 2497 3356 16637 12091 - Withdrawn - matching aggregate 41.114.0.0/17 4777 2497 3356 16637 12091
  41.114.128.0/17      4777 2497 1299 16637 12091   
  41.114.192.0/18      4777 2497 1299 16637 12091 - Withdrawn - matching aggregate 41.114.128.0/17 4777 2497 1299 16637 12091
  41.115.0.0/17        4777 2497 1299 16637 12091   
  41.115.0.0/18        4777 2497 1299 16637 12091 - Withdrawn - matching aggregate 41.115.0.0/17 4777 2497 1299 16637 12091
  41.115.64.0/18       4777 2497 1299 16637 12091 - Withdrawn - matching aggregate 41.115.0.0/17 4777 2497 1299 16637 12091
  41.116.0.0/16        4777 2497 1299 16637 12091 + Announce - aggregate of 41.116.0.0/17 (4777 2497 1299 16637 12091) and 41.116.128.0/17 (4777 2497 1299 16637 12091)
  41.116.0.0/17        4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.116.128.0/17 (4777 2497 1299 16637 12091)
  41.116.64.0/18       4777 2497 1299 16637 12091 - Withdrawn - matching aggregate 41.116.0.0/17 4777 2497 1299 16637 12091
  41.116.128.0/17      4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.116.0.0/17 (4777 2497 1299 16637 12091)
  41.117.0.0/17        4777 2497 1299 16637 12091   
  41.117.0.0/17        4777 2497 174 16637 12091 + Announce - aggregate of 41.117.0.0/18 (4777 2497 174 16637 12091) and 41.117.64.0/18 (4777 2497 174 16637 12091)
  41.117.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.117.32.0/19 (4777 2497 174 16637 12091)
  41.117.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.117.0.0/19 (4777 2497 174 16637 12091)
  41.117.64.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.117.96.0/19 (4777 2497 174 16637 12091)
  41.117.96.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.117.64.0/19 (4777 2497 174 16637 12091)
  41.117.128.0/17      4777 2497 1299 16637 12091   
  41.117.128.0/18      4777 2497 174 16637 12091 + Announce - aggregate of 41.117.128.0/19 (4777 2497 174 16637 12091) and 41.117.160.0/19 (4777 2497 174 16637 12091)
  41.117.128.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.117.160.0/19 (4777 2497 174 16637 12091)
  41.117.160.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.117.128.0/19 (4777 2497 174 16637 12091)
  41.119.0.0/16        4777 2497 1299 16637 12091 + Announce - aggregate of 41.119.0.0/17 (4777 2497 1299 16637 12091) and 41.119.128.0/17 (4777 2497 1299 16637 12091)
  41.119.0.0/18        4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.119.64.0/18 (4777 2497 1299 16637 12091)
  41.119.64.0/18       4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.119.0.0/18 (4777 2497 1299 16637 12091)
  41.119.128.0/17      4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.119.0.0/17 (4777 2497 1299 16637 12091)
  41.119.128.0/17      4777 2497 174 16637 12091 + Announce - aggregate of 41.119.128.0/18 (4777 2497 174 16637 12091) and 41.119.192.0/18 (4777 2497 174 16637 12091)
  41.119.128.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.119.160.0/19 (4777 2497 174 16637 12091)
  41.119.160.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.119.128.0/19 (4777 2497 174 16637 12091)
  41.119.192.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.119.224.0/19 (4777 2497 174 16637 12091)
  41.119.224.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.119.192.0/19 (4777 2497 174 16637 12091)
  41.120.0.0/19        4777 2497 1299 16637 12091   
  41.120.128.0/17      4777 2497 1299 16637 12091   
  41.121.0.0/17        4777 2497 3356 16637 12091   
  41.121.128.0/17      4777 2497 174 16637 12091 + Announce - aggregate of 41.121.128.0/18 (4777 2497 174 16637 12091) and 41.121.192.0/18 (4777 2497 174 16637 12091)
  41.121.128.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.121.160.0/19 (4777 2497 174 16637 12091)
  41.121.160.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.121.128.0/19 (4777 2497 174 16637 12091)
  41.121.192.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.121.224.0/19 (4777 2497 174 16637 12091)
  41.121.224.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.121.192.0/19 (4777 2497 174 16637 12091)
  41.122.0.0/15        4777 2497 174 16637 12091 + Announce - aggregate of 41.122.0.0/16 (4777 2497 174 16637 12091) and 41.123.0.0/16 (4777 2497 174 16637 12091)
  41.122.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.122.32.0/19 (4777 2497 174 16637 12091)
  41.122.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.122.0.0/19 (4777 2497 174 16637 12091)
  41.122.64.0/18       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.122.0.0/18 (4777 2497 174 16637 12091)
  41.122.128.0/18      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.122.192.0/18 (4777 2497 174 16637 12091)
  41.122.192.0/18      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.122.128.0/18 (4777 2497 174 16637 12091)
  41.123.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.32.0/19 (4777 2497 174 16637 12091)
  41.123.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.0.0/19 (4777 2497 174 16637 12091)
  41.123.64.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.96.0/19 (4777 2497 174 16637 12091)
  41.123.96.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.64.0/19 (4777 2497 174 16637 12091)
  41.123.128.0/18      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.192.0/18 (4777 2497 174 16637 12091)
  41.123.192.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.224.0/19 (4777 2497 174 16637 12091)
  41.123.224.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 41.123.192.0/19 (4777 2497 174 16637 12091)
  41.124.0.0/16        4777 2497 1299 16637 12091 + Announce - aggregate of 41.124.0.0/17 (4777 2497 1299 16637 12091) and 41.124.128.0/17 (4777 2497 1299 16637 12091)
  41.124.0.0/17        4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.124.128.0/17 (4777 2497 1299 16637 12091)
  41.124.0.0/18        4777 2516 1299 16637 12091 + Announce - aggregate of 41.124.0.0/19 (4777 2516 1299 16637 12091) and 41.124.32.0/19 (4777 2516 1299 16637 12091)
  41.124.0.0/19        4777 2516 1299 16637 12091 - Withdrawn - aggregated with 41.124.32.0/19 (4777 2516 1299 16637 12091)
  41.124.32.0/19       4777 2516 1299 16637 12091 - Withdrawn - aggregated with 41.124.0.0/19 (4777 2516 1299 16637 12091)
  41.124.128.0/17      4777 2497 1299 16637 12091 - Withdrawn - aggregated with 41.124.0.0/17 (4777 2497 1299 16637 12091)
  41.124.128.0/18      4777 2516 1299 16637 12091 + Announce - aggregate of 41.124.128.0/19 (4777 2516 1299 16637 12091) and 41.124.160.0/19 (4777 2516 1299 16637 12091)
  41.124.128.0/19      4777 2516 1299 16637 12091 - Withdrawn - aggregated with 41.124.160.0/19 (4777 2516 1299 16637 12091)
  41.124.160.0/19      4777 2516 1299 16637 12091 - Withdrawn - aggregated with 41.124.128.0/19 (4777 2516 1299 16637 12091)
  41.127.255.0/24      4777 2497 1299 16637 12091   
  66.8.3.0/24          4777 2497 174 16637 12091   
  66.8.4.0/23          4777 2497 174 16637 12091 + Announce - aggregate of 66.8.4.0/24 (4777 2497 174 16637 12091) and 66.8.5.0/24 (4777 2497 174 16637 12091)
  66.8.4.0/24          4777 2497 174 16637 12091 - Withdrawn - aggregated with 66.8.5.0/24 (4777 2497 174 16637 12091)
  66.8.5.0/24          4777 2497 174 16637 12091 - Withdrawn - aggregated with 66.8.4.0/24 (4777 2497 174 16637 12091)
  66.8.8.0/23          4777 2497 174 16637 12091 + Announce - aggregate of 66.8.8.0/24 (4777 2497 174 16637 12091) and 66.8.9.0/24 (4777 2497 174 16637 12091)
  66.8.8.0/24          4777 2497 174 16637 12091 - Withdrawn - aggregated with 66.8.9.0/24 (4777 2497 174 16637 12091)
  66.8.9.0/24          4777 2497 174 16637 12091 - Withdrawn - aggregated with 66.8.8.0/24 (4777 2497 174 16637 12091)
  66.8.10.0/24         4777 2497 174 16637 12091   
  105.209.64.0/19      4777 2497 3356 16637 12091   
  105.209.255.0/24     4777 2497 3356 16637 12091   
  196.10.101.0/24      4777 2497 174 16637 12091   
  196.11.239.0/24      4777 2497 174 16637 12091   
  196.11.240.0/22      4777 2497 174 16637 12091 + Announce - aggregate of 196.11.240.0/23 (4777 2497 174 16637 12091) and 196.11.242.0/23 (4777 2497 174 16637 12091)
  196.11.240.0/23      4777 2497 174 16637 12091 - Withdrawn - aggregated with 196.11.242.0/23 (4777 2497 174 16637 12091)
  196.11.240.0/24      4777 2497 174 16637 12091 - Withdrawn - matching aggregate 196.11.240.0/23 4777 2497 174 16637 12091
  196.11.241.0/24      4777 2497 174 16637 12091 - Withdrawn - matching aggregate 196.11.240.0/23 4777 2497 174 16637 12091
  196.11.242.0/23      4777 2497 174 16637 12091 - Withdrawn - aggregated with 196.11.240.0/23 (4777 2497 174 16637 12091)
  196.11.243.0/24      4777 2497 174 16637 12091 - Withdrawn - matching aggregate 196.11.242.0/23 4777 2497 174 16637 12091
  196.11.244.0/23      4777 2497 174 16637 12091   
  196.13.230.0/23      4777 2497 174 16637 12091   
  196.31.56.0/24       4777 2497 1299 16637 12091   
  197.64.0.0/17        4777 2497 1299 16637 12091   
  197.64.0.0/17        4777 2497 174 16637 12091 + Announce - aggregate of 197.64.0.0/18 (4777 2497 174 16637 12091) and 197.64.64.0/18 (4777 2497 174 16637 12091)
  197.64.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.64.32.0/19 (4777 2497 174 16637 12091)
  197.64.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.64.0.0/19 (4777 2497 174 16637 12091)
  197.64.64.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.64.96.0/19 (4777 2497 174 16637 12091)
  197.64.96.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.64.64.0/19 (4777 2497 174 16637 12091)
  197.64.128.0/17      4777 2497 1299 16637 12091   
  197.65.0.0/16        4777 2497 1299 16637 12091 + Announce - aggregate of 197.65.0.0/17 (4777 2497 1299 16637 12091) and 197.65.128.0/17 (4777 2497 1299 16637 12091)
  197.65.0.0/17        4777 2497 1299 16637 12091 - Withdrawn - aggregated with 197.65.128.0/17 (4777 2497 1299 16637 12091)
  197.65.0.0/18        4777 2516 1299 16637 12091 + Announce - aggregate of 197.65.0.0/19 (4777 2516 1299 16637 12091) and 197.65.32.0/19 (4777 2516 1299 16637 12091)
  197.65.0.0/19        4777 2516 1299 16637 12091 - Withdrawn - aggregated with 197.65.32.0/19 (4777 2516 1299 16637 12091)
  197.65.32.0/19       4777 2516 1299 16637 12091 - Withdrawn - aggregated with 197.65.0.0/19 (4777 2516 1299 16637 12091)
  197.65.128.0/17      4777 2497 1299 16637 12091 - Withdrawn - aggregated with 197.65.0.0/17 (4777 2497 1299 16637 12091)
  197.66.0.0/16        4777 2497 1299 16637 12091 + Announce - aggregate of 197.66.0.0/17 (4777 2497 1299 16637 12091) and 197.66.128.0/17 (4777 2497 1299 16637 12091)
  197.66.0.0/17        4777 2497 1299 16637 12091 - Withdrawn - aggregated with 197.66.128.0/17 (4777 2497 1299 16637 12091)
  197.66.0.0/18        4777 2497 174 16637 12091 + Announce - aggregate of 197.66.0.0/19 (4777 2497 174 16637 12091) and 197.66.32.0/19 (4777 2497 174 16637 12091)
  197.66.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.66.32.0/19 (4777 2497 174 16637 12091)
  197.66.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.66.0.0/19 (4777 2497 174 16637 12091)
  197.66.128.0/17      4777 2497 1299 16637 12091 - Withdrawn - aggregated with 197.66.0.0/17 (4777 2497 1299 16637 12091)
  197.66.128.0/18      4777 2497 174 16637 12091 + Announce - aggregate of 197.66.128.0/19 (4777 2497 174 16637 12091) and 197.66.160.0/19 (4777 2497 174 16637 12091)
  197.66.128.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.66.160.0/19 (4777 2497 174 16637 12091)
  197.66.160.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.66.128.0/19 (4777 2497 174 16637 12091)
  197.68.0.0/15        4777 2497 174 16637 12091 + Announce - aggregate of 197.68.0.0/16 (4777 2497 174 16637 12091) and 197.69.0.0/16 (4777 2497 174 16637 12091)
  197.68.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.32.0/19 (4777 2497 174 16637 12091)
  197.68.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.0.0/19 (4777 2497 174 16637 12091)
  197.68.64.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.96.0/19 (4777 2497 174 16637 12091)
  197.68.96.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.64.0/19 (4777 2497 174 16637 12091)
  197.68.128.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.160.0/19 (4777 2497 174 16637 12091)
  197.68.160.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.128.0/19 (4777 2497 174 16637 12091)
  197.68.192.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.224.0/19 (4777 2497 174 16637 12091)
  197.68.224.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.68.192.0/19 (4777 2497 174 16637 12091)
  197.69.0.0/19        4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.32.0/19 (4777 2497 174 16637 12091)
  197.69.32.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.0.0/19 (4777 2497 174 16637 12091)
  197.69.64.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.96.0/19 (4777 2497 174 16637 12091)
  197.69.96.0/19       4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.64.0/19 (4777 2497 174 16637 12091)
  197.69.128.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.160.0/19 (4777 2497 174 16637 12091)
  197.69.160.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.128.0/19 (4777 2497 174 16637 12091)
  197.69.192.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.224.0/19 (4777 2497 174 16637 12091)
  197.69.224.0/19      4777 2497 174 16637 12091 - Withdrawn - aggregated with 197.69.192.0/19 (4777 2497 174 16637 12091)
  197.70.0.0/17        4777 2516 1299 16637 12091 + Announce - aggregate of 197.70.0.0/18 (4777 2516 1299 16637 12091) and 197.70.64.0/18 (4777 2516 1299 16637 12091)
  197.70.0.0/19        4777 2516 1299 16637 12091 - Withdrawn - aggregated with 197.70.32.0/19 (4777 2516 1299 16637 12091)
  197.70.32.0/19       4777 2516 1299 16637 12091 - Withdrawn - aggregated with 197.70.0.0/19 (4777 2516 1299 16637 12091)
  197.70.64.0/19       4777 2516 1299 16637 12091 - Withdrawn - aggregated with 197.70.96.0/19 (4777 2516 1299 16637 12091)
  197.70.96.0/19       4777 2516 1299 16637 12091 - Withdrawn - aggregated with 197.70.64.0/19 (4777 2516 1299 16637 12091)
  197.78.128.0/17      4777 2497 1299 16637 12091   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS12091   113 More Specifics   116 Total Advertisements   MTNNS-1, ZA
    41.112.0.0/20                 41.112.0.0/12
    41.112.16.0/20                41.112.0.0/12
    41.112.32.0/20                41.112.0.0/12
    41.112.64.0/19                41.112.0.0/12
    41.112.144.0/20               41.112.0.0/12
    41.112.160.0/20               41.112.0.0/12
    41.112.224.0/20               41.112.0.0/12
    41.112.240.0/20               41.112.0.0/12
    41.113.0.0/17                 41.112.0.0/12
    41.113.128.0/17               41.112.0.0/12
    41.114.0.0/17                 41.112.0.0/12
    41.114.64.0/18                41.112.0.0/12
    41.114.128.0/17               41.112.0.0/12
    41.114.192.0/18               41.112.0.0/12
    41.115.0.0/17                 41.112.0.0/12
    41.115.0.0/18                 41.112.0.0/12
    41.115.64.0/18                41.112.0.0/12
    41.116.0.0/17                 41.112.0.0/12
    41.116.64.0/18                41.112.0.0/12
    41.116.128.0/17               41.112.0.0/12
    41.117.0.0/17                 41.112.0.0/12
    41.117.0.0/19                 41.112.0.0/12
    41.117.32.0/19                41.112.0.0/12
    41.117.64.0/19                41.112.0.0/12
    41.117.96.0/19                41.112.0.0/12
    41.117.128.0/17               41.112.0.0/12
    41.117.128.0/19               41.112.0.0/12
    41.117.160.0/19               41.112.0.0/12
    41.119.0.0/18                 41.112.0.0/12
    41.119.64.0/18                41.112.0.0/12
    41.119.128.0/17               41.112.0.0/12
    41.119.128.0/19               41.112.0.0/12
    41.119.160.0/19               41.112.0.0/12
    41.119.192.0/19               41.112.0.0/12
    41.119.224.0/19               41.112.0.0/12
    41.120.0.0/19                 41.112.0.0/12
    41.120.128.0/17               41.112.0.0/12
    41.121.0.0/17                 41.112.0.0/12
    41.121.128.0/19               41.112.0.0/12
    41.121.160.0/19               41.112.0.0/12
    41.121.192.0/19               41.112.0.0/12
    41.121.224.0/19               41.112.0.0/12
    41.122.0.0/19                 41.112.0.0/12
    41.122.32.0/19                41.112.0.0/12
    41.122.64.0/18                41.112.0.0/12
    41.122.128.0/18               41.112.0.0/12
    41.122.192.0/18               41.112.0.0/12
    41.123.0.0/19                 41.112.0.0/12
    41.123.32.0/19                41.112.0.0/12
    41.123.64.0/19                41.112.0.0/12
    41.123.96.0/19                41.112.0.0/12
    41.123.128.0/18               41.112.0.0/12
    41.123.192.0/19               41.112.0.0/12
    41.123.224.0/19               41.112.0.0/12
    41.124.0.0/17                 41.112.0.0/12
    41.124.0.0/19                 41.112.0.0/12
    41.124.32.0/19                41.112.0.0/12
    41.124.128.0/17               41.112.0.0/12
    41.124.128.0/19               41.112.0.0/12
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Whois Entry

whois: 402332

IANA has recorded AS12091 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12091\n             % This is the AfriNIC Whois server.
             % The AFRINIC whois database is subject to  the following terms of Use. See https://afrinic.net/whois/terms