Report for 21541

Name

101NETLINK - 101Netlink, US

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.

21541 101NETLINK - 101Netlink, US

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS19245         HOOPA-VALLEY-TRIBE - Hoopa Valley Public Utilities District, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8816  AS21541        ORG+TRN Originate:      13056 /18.33  Transit:       1024 /22.00 101NETLINK - 101Netlink, US

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       %
 5222 AS21541       101NETLINK - 101Netlink, US                       19     10      1     10      9  47.37%


  Prefix               AS Path                              Aggregation Suggestion
  64.194.64.0/21       4777 2497 3356 21541   
  64.194.68.0/24       4777 2497 6461 21541   
  64.194.70.0/24       4777 2497 3356 21541 - Withdrawn - matching aggregate 64.194.64.0/21 4777 2497 3356 21541
  64.194.71.0/24       4777 2497 3356 21541 - Withdrawn - matching aggregate 64.194.64.0/21 4777 2497 3356 21541
  64.194.160.0/21      4777 2497 3356 21541   
  64.194.160.0/23      4777 2497 3356 21541 - Withdrawn - matching aggregate 64.194.160.0/21 4777 2497 3356 21541
  64.194.163.0/24      4777 2497 3356 21541 - Withdrawn - matching aggregate 64.194.160.0/21 4777 2497 3356 21541
  64.194.164.0/23      4777 2497 6461 21541 + Announce - aggregate of 64.194.164.0/24 (4777 2497 6461 21541) and 64.194.165.0/24 (4777 2497 6461 21541)
  64.194.164.0/24      4777 2497 6461 21541 - Withdrawn - aggregated with 64.194.165.0/24 (4777 2497 6461 21541)
  64.194.165.0/24      4777 2497 6461 21541 - Withdrawn - aggregated with 64.194.164.0/24 (4777 2497 6461 21541)
  64.194.166.0/23      4777 2497 3356 21541 - Withdrawn - matching aggregate 64.194.160.0/21 4777 2497 3356 21541
  64.194.166.0/24      4777 2497 6461 21541   
  64.195.220.0/23      4777 2497 3356 21541   
  64.195.221.0/24      4777 2497 3356 21541 - Withdrawn - matching aggregate 64.195.220.0/23 4777 2497 3356 21541
  208.186.48.0/20      4777 2497 3356 21541   
  208.186.48.0/24      4777 2497 6461 21541   
  208.186.56.0/24      4777 2497 3356 21541 - Withdrawn - matching aggregate 208.186.48.0/20 4777 2497 3356 21541
  208.186.57.0/24      4777 2497 6461 21541   
  208.186.58.0/24      4777 2497 3356 21541 - Withdrawn - matching aggregate 208.186.48.0/20 4777 2497 3356 21541
  208.186.62.0/24      4777 2497 6461 21541   

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

AS21541   19 More Specifics   19 Total Advertisements   101NETLINK - 101Netlink, US
    64.194.64.0/21                64.192.0.0/14
    64.194.68.0/24                64.192.0.0/14
    64.194.70.0/24                64.192.0.0/14
    64.194.71.0/24                64.192.0.0/14
    64.194.160.0/21               64.192.0.0/14
    64.194.160.0/23               64.192.0.0/14
    64.194.163.0/24               64.192.0.0/14
    64.194.164.0/24               64.192.0.0/14
    64.194.165.0/24               64.192.0.0/14
    64.194.166.0/23               64.192.0.0/14
    64.194.166.0/24               64.192.0.0/14
    64.195.220.0/23               64.192.0.0/14
    64.195.221.0/24               64.192.0.0/14
    208.186.48.0/20               208.186.0.0/17
    208.186.48.0/24               208.186.0.0/17
    208.186.56.0/24               208.186.0.0/17
    208.186.57.0/24               208.186.0.0/17
    208.186.58.0/24               208.186.0.0/17
    208.186.62.0/24               208.186.0.0/17

Whois Entry

whois: 402332

IANA has recorded AS21541 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS21541\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)