Report for 11580

Name

ISLAND-NETWORKS-LTD - Island Networks Ltd, JM

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.

11580 ISLAND-NETWORKS-LTD - Island Networks Ltd, JM

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS23520         LIBERTY-NETWORKS - Columbus Networks USA, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18977 AS11580        ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  ISLAND-NETWORKS-LTD - Island Networks Ltd, JM

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       %
20387 AS11580       ISLAND-NETWORKS-LTD - Island Networks Ltd, JM      7      2      1      6      1  14.29%


  Prefix               AS Path                              Aggregation Suggestion
  64.112.16.0/22       4777 2497 174 23520 11580   
  72.252.24.0/24       4777 2497 174 23520 11580   
  74.116.56.0/24       4777 2497 174 23520 11580   
  74.116.58.0/23       4777 2497 174 23520 11580 + Announce - aggregate of 74.116.58.0/24 (4777 2497 174 23520 11580) and 74.116.59.0/24 (4777 2497 174 23520 11580)
  74.116.58.0/24       4777 2497 174 23520 11580 - Withdrawn - aggregated with 74.116.59.0/24 (4777 2497 174 23520 11580)
  74.116.59.0/24       4777 2497 174 23520 11580 - Withdrawn - aggregated with 74.116.58.0/24 (4777 2497 174 23520 11580)
  162.254.243.0/24     4777 2497 6830 23520 11580   
  205.164.204.0/22     4777 2497 174 23520 11580   

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

AS11580   6 More Specifics   7 Total Advertisements   ISLAND-NETWORKS-LTD - Island Networks Ltd, JM
    72.252.24.0/24                72.252.0.0/16
    74.116.56.0/24                74.116.56.0/22
    74.116.58.0/24                74.116.56.0/22
    74.116.59.0/24                74.116.56.0/22
    162.254.243.0/24              162.254.240.0/22
    205.164.204.0/22              205.164.128.0/17

Whois Entry

whois: 402332

IANA has recorded AS11580 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11580\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       11580
             ASName:         ISLAND-NETWORKS-LTD
             ASHandle:       AS11580
             RegDate:        2005-09-21
             Updated:        2025-10-30
             Comment:        Island Networks Ltd , Caribbeans First MPLS Network
             Ref:            https://rdap.arin.net/registry/autnum/11580
             
             
             OrgName:        Island Networks Ltd
             OrgId:          INL-15
             Address:        24 
             Address:        Parkington Plaza Kng 10
             City:           Kingston 10
             StateProv:      JM
             PostalCode:     10
             Country:        JM
             RegDate:        2005-08-22
             Updated:        2023-12-21
             Ref:            https://rdap.arin.net/registry/entity/INL-15
             
             
             OrgNOCHandle: DAVIS2482-ARIN
             OrgNOCName:   Davis, Andrew 
             OrgNOCPhone:  +1-876-606-0000 
             OrgNOCEmail:  adavis@islandnetjm.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             OrgAbuseHandle: DAVIS2482-ARIN
             OrgAbuseName:   Davis, Andrew 
             OrgAbusePhone:  +1-876-606-0000 
             OrgAbuseEmail:  adavis@islandnetjm.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             OrgTechHandle: DAVIS2482-ARIN
             OrgTechName:   Davis, Andrew 
             OrgTechPhone:  +1-876-606-0000 
             OrgTechEmail:  adavis@islandnetjm.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             OrgDNSHandle: DAVIS2482-ARIN
             OrgDNSName:   Davis, Andrew 
             OrgDNSPhone:  +1-876-606-0000 
             OrgDNSEmail:  adavis@islandnetjm.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             OrgRoutingHandle: DAVIS2482-ARIN
             OrgRoutingName:   Davis, Andrew 
             OrgRoutingPhone:  +1-876-606-0000 
             OrgRoutingEmail:  adavis@islandnetjm.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             RTechHandle: DAVIS2482-ARIN
             RTechName:   Davis, Andrew 
             RTechPhone:  +1-876-606-0000 
             RTechEmail:  adavis@islandnetjm.com
             RTechRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             RAbuseHandle: DAVIS2482-ARIN
             RAbuseName:   Davis, Andrew 
             RAbusePhone:  +1-876-606-0000 
             RAbuseEmail:  adavis@islandnetjm.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             RNOCHandle: DAVIS2482-ARIN
             RNOCName:   Davis, Andrew 
             RNOCPhone:  +1-876-606-0000 
             RNOCEmail:  adavis@islandnetjm.com
             RNOCRef:    https://rdap.arin.net/registry/entity/DAVIS2482-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #