Report for 4224

Name

CALYX-AS - The Calyx Institute, 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.

4224 CALYX-AS - The Calyx Institute, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
47824 AS4224         ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  CALYX-AS - The Calyx Institute, 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       %
31408 AS4224        CALYX-AS - The Calyx Institute, US                 2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  162.247.72.0/24      4777 6939 4224         
  185.220.103.0/24     4608 6939 4224         

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

AS4224   1 More Specifics   2 Total Advertisements   CALYX-AS - The Calyx Institute, US
    185.220.103.0/24              185.220.100.0/22

Whois Entry

whois: 402332

IANA has recorded AS4224 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4224\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:       4224
             ASName:         CALYX-AS
             ASHandle:       AS4224
             RegDate:        1995-01-09
             Updated:        2015-09-10
             Ref:            https://rdap.arin.net/registry/autnum/4224
             
             
             OrgName:        The Calyx Institute
             OrgId:          THECA-92
             Address:        254 36th Street
             Address:        Suite C660 / Unit 48
             City:           Brooklyn
             StateProv:      NY
             PostalCode:     11232
             Country:        US
             RegDate:        2010-09-10
             Updated:        2025-07-11
             Ref:            https://rdap.arin.net/registry/entity/THECA-92
             
             
             OrgTechHandle: TECHN1973-ARIN
             OrgTechName:   Technical
             OrgTechPhone:  +1-347-383-3064 
             OrgTechEmail:  noc@calyxnetworks.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1973-ARIN
             
             OrgAbuseHandle: ARD6-ARIN
             OrgAbuseName:   Abuse Remediation Department
             OrgAbusePhone:  +1-212-966-1900 
             OrgAbuseEmail:  abuse@calyxinstitute.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARD6-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.
             #