Report for 402389

Name

AMHERST - Amherst, 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.

402389 AMHERST - Amherst, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS1002          BYTEFILTER-AS - Bytefilter LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
58225 AS402389       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  AMHERST - Amherst, 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       %
78127 AS402389      AMHERST - Amherst, US                              1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  154.30.32.0/23       4608 137409 1002 402389   

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

AS402389   1 More Specifics   1 Total Advertisements   AMHERST - Amherst, US
    154.30.32.0/23                154.30.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS402389 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS402389\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:       402389
             ASName:         AMHERST SYSTEMS
             ASHandle:       AS402389
             RegDate:        2026-04-09
             Updated:        2026-04-09
             Ref:            https://rdap.arin.net/registry/autnum/402389
             
             
             OrgName:        Amherst Systems LLC
             OrgId:          ASL-861
             Address:        8 The Green Ste B
             City:           Dover
             StateProv:      DE
             PostalCode:     19901
             Country:        US
             RegDate:        2026-03-16
             Updated:        2026-04-02
             Ref:            https://rdap.arin.net/registry/entity/ASL-861
             
             
             OrgDNSHandle: HJP10-ARIN
             OrgDNSName:   PARKER, HARRISON JOE
             OrgDNSPhone:  +1-413-456-7440 
             OrgDNSEmail:  harrison.p@amherst.systems
             OrgDNSRef:    https://rdap.arin.net/registry/entity/HJP10-ARIN
             
             OrgRoutingHandle: HJP10-ARIN
             OrgRoutingName:   PARKER, HARRISON JOE
             OrgRoutingPhone:  +1-413-456-7440 
             OrgRoutingEmail:  harrison.p@amherst.systems
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/HJP10-ARIN
             
             OrgTechHandle: HJP10-ARIN
             OrgTechName:   PARKER, HARRISON JOE
             OrgTechPhone:  +1-413-456-7440 
             OrgTechEmail:  harrison.p@amherst.systems
             OrgTechRef:    https://rdap.arin.net/registry/entity/HJP10-ARIN
             
             OrgNOCHandle: HJP10-ARIN
             OrgNOCName:   PARKER, HARRISON JOE
             OrgNOCPhone:  +1-413-456-7440 
             OrgNOCEmail:  harrison.p@amherst.systems
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HJP10-ARIN
             
             OrgAbuseHandle: HJP10-ARIN
             OrgAbuseName:   PARKER, HARRISON JOE
             OrgAbusePhone:  +1-413-456-7440 
             OrgAbuseEmail:  harrison.p@amherst.systems
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HJP10-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.
             #