Report for 27876

Name

AS27876 - American Data Networks, CR

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 AS6447) 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.

27876 American Data Networks, CR

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS27908         Tracity Inc., CR
  Downstream Adjacent AS list
    AS264644        INFORMATION TECHNOLOGIES OUTSOURCING, CR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8842  AS27876        ORG+TRN Originate:      13312 /18.30  Transit:        256 /24.00 American Data Networks, CR

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       %
 1423 AS27876       American Data Networks, CR                        52     46      4     10     42  80.77%


  Prefix               AS Path                              Aggregation Suggestion
  38.19.109.0/24       6939 1299 27908 27876   
  143.255.29.0/24      6939 1299 27908 27876   
  143.255.31.0/24      6939 1299 27908 27876   
  186.5.160.0/23       6939 27908 27876     + Announce - aggregate of 186.5.160.0/24 (6939 27908 27876) and 186.5.161.0/24 (6939 27908 27876)
  186.5.160.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.161.0/24 (6939 27908 27876)
  186.5.161.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.160.0/24 (6939 27908 27876)
  186.5.162.0/24       6939 27908 27876       
  186.5.163.0/24       6939 1299 27908 27876   
  186.5.164.0/22       6939 27908 27876     + Announce - aggregate of 186.5.164.0/23 (6939 27908 27876) and 186.5.166.0/23 (6939 27908 27876)
  186.5.164.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.165.0/24 (6939 27908 27876)
  186.5.165.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.164.0/24 (6939 27908 27876)
  186.5.166.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.167.0/24 (6939 27908 27876)
  186.5.167.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.166.0/24 (6939 27908 27876)
  186.5.168.0/21       6939 27908 27876     + Announce - aggregate of 186.5.168.0/22 (6939 27908 27876) and 186.5.172.0/22 (6939 27908 27876)
  186.5.168.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.169.0/24 (6939 27908 27876)
  186.5.169.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.168.0/24 (6939 27908 27876)
  186.5.170.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.171.0/24 (6939 27908 27876)
  186.5.171.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.170.0/24 (6939 27908 27876)
  186.5.172.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.173.0/24 (6939 27908 27876)
  186.5.173.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.172.0/24 (6939 27908 27876)
  186.5.174.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.175.0/24 (6939 27908 27876)
  186.5.175.0/24       6939 27908 27876     - Withdrawn - aggregated with 186.5.174.0/24 (6939 27908 27876)
  190.7.192.0/19       6939 27908 27876     + Announce - aggregate of 190.7.192.0/20 (6939 27908 27876) and 190.7.208.0/20 (6939 27908 27876)
  190.7.192.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.193.0/24 (6939 27908 27876)
  190.7.193.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.192.0/24 (6939 27908 27876)
  190.7.194.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.195.0/24 (6939 27908 27876)
  190.7.195.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.194.0/24 (6939 27908 27876)
  190.7.196.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.197.0/24 (6939 27908 27876)
  190.7.197.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.196.0/24 (6939 27908 27876)
  190.7.198.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.199.0/24 (6939 27908 27876)
  190.7.199.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.198.0/24 (6939 27908 27876)
  190.7.200.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.201.0/24 (6939 27908 27876)
  190.7.201.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.200.0/24 (6939 27908 27876)
  190.7.202.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.203.0/24 (6939 27908 27876)
  190.7.203.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.202.0/24 (6939 27908 27876)
  190.7.204.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.205.0/24 (6939 27908 27876)
  190.7.205.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.204.0/24 (6939 27908 27876)
  190.7.206.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.207.0/24 (6939 27908 27876)
  190.7.207.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.206.0/24 (6939 27908 27876)
  190.7.208.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.209.0/24 (6939 27908 27876)
  190.7.209.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.208.0/24 (6939 27908 27876)
  190.7.210.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.211.0/24 (6939 27908 27876)
  190.7.211.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.210.0/24 (6939 27908 27876)
  190.7.212.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.213.0/24 (6939 27908 27876)
  190.7.213.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.212.0/24 (6939 27908 27876)
  190.7.214.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.215.0/24 (6939 27908 27876)
  190.7.215.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.214.0/24 (6939 27908 27876)
  190.7.216.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.217.0/24 (6939 27908 27876)
  190.7.217.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.216.0/24 (6939 27908 27876)
  190.7.218.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.219.0/24 (6939 27908 27876)
  190.7.219.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.218.0/24 (6939 27908 27876)
  190.7.220.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.221.0/24 (6939 27908 27876)
  190.7.221.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.220.0/24 (6939 27908 27876)
  190.7.222.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.223.0/24 (6939 27908 27876)
  190.7.223.0/24       6939 27908 27876     - Withdrawn - aggregated with 190.7.222.0/24 (6939 27908 27876)
  198.57.8.0/24        6939 27908 27876       

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

AS27876   50 More Specifics   50 Total Advertisements   American Data Networks, CR
    8.23.28.0/22                  8.16.0.0/12
    143.255.29.0/24               143.255.28.0/22
    143.255.31.0/24               143.255.28.0/22
    186.5.160.0/24                186.5.160.0/20
    186.5.161.0/24                186.5.160.0/20
    186.5.162.0/24                186.5.160.0/20
    186.5.163.0/24                186.5.160.0/20
    186.5.164.0/24                186.5.160.0/20
    186.5.165.0/24                186.5.160.0/20
    186.5.166.0/24                186.5.160.0/20
    186.5.167.0/24                186.5.160.0/20
    186.5.168.0/24                186.5.160.0/20
    186.5.169.0/24                186.5.160.0/20
    186.5.170.0/24                186.5.160.0/20
    186.5.171.0/24                186.5.160.0/20
    186.5.172.0/24                186.5.160.0/20
    186.5.173.0/24                186.5.160.0/20
    190.7.192.0/24                190.7.192.0/20
    190.7.193.0/24                190.7.192.0/20
    190.7.194.0/24                190.7.192.0/20
    190.7.195.0/24                190.7.192.0/20
    190.7.196.0/24                190.7.192.0/20
    190.7.197.0/24                190.7.192.0/20
    190.7.198.0/24                190.7.192.0/20
    190.7.199.0/24                190.7.192.0/20
    190.7.200.0/24                190.7.192.0/20
    190.7.201.0/24                190.7.192.0/20
    190.7.202.0/24                190.7.192.0/20
    190.7.203.0/24                190.7.192.0/20
    190.7.204.0/24                190.7.192.0/20
    190.7.205.0/24                190.7.192.0/20
    190.7.206.0/24                190.7.192.0/20
    190.7.207.0/24                190.7.192.0/20
    190.7.208.0/24                190.7.208.0/20
    190.7.209.0/24                190.7.208.0/20
    190.7.210.0/24                190.7.208.0/20
    190.7.211.0/24                190.7.208.0/20
    190.7.212.0/24                190.7.208.0/20
    190.7.213.0/24                190.7.208.0/20
    190.7.214.0/24                190.7.208.0/20
    190.7.215.0/24                190.7.208.0/20
    190.7.216.0/24                190.7.208.0/20
    190.7.217.0/24                190.7.208.0/20
    190.7.218.0/24                190.7.208.0/20
    190.7.219.0/24                190.7.208.0/20
    190.7.220.0/24                190.7.208.0/20
    190.7.221.0/24                190.7.208.0/20
    190.7.222.0/24                190.7.208.0/20
    190.7.223.0/24                190.7.208.0/20
    198.57.8.0/24                 198.57.8.0/21

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 186.5.173.0/24              Announced

Whois Entry

whois: 402613

IANA has recorded AS27876 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27876\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded