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AS402389 Amherst Systems LLC | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Amherst Systems LLC amherst.systems

US 1 Routes

AS Data

AS402389

AS402389 – Amherst Systems LLC

AS Number	402389
AS Name	AMHERST SYSTEMS
Organization	Amherst Systems LLC (asl-861)
Country	US
Website	amherst.systems
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2026-04-09

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Use ASN data for AS402389 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
154.30.32.0/23	AS402389	Amherst Systems LLC	Amherst Systems LLC	512

Raw Whois Response

#
# 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


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

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

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

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


#
# 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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "402389",
    "as_handle" : "AS402389",
    "as_name" : "AMHERST SYSTEMS",
    "admin_contacts" : [ "HJP10-ARIN" ],
    "tech_contacts" : [ "HJP10-ARIN", "HJP10-ARIN" ],
    "abuse_contacts" : [ "HJP10-ARIN" ],
    "date_created" : "2026-04-09",
    "date_updated" : "2026-04-09",
    "source" : "https://rdap.arin.net/registry/autnum/402389"
  } ],
  "organization" : {
    "handle" : "ASL-861",
    "name" : "Amherst Systems LLC",
    "address" : [ "8 The Green Ste B", "Dover", "DE", "19901", "US" ],
    "street" : "The Green",
    "city" : "Dover",
    "state" : "DE",
    "zip_code" : "19901",
    "country" : [ "US" ],
    "date_created" : "2026-03-16",
    "date_updated" : "2026-04-02",
    "source" : "https://rdap.arin.net/registry/entity/ASL-861",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "HJP10-ARIN",
    "name" : "PARKER, HARRISON JOE",
    "email" : [ "harrison.p@amherst.systems" ],
    "phone" : [ "+1-413-456-7440" ],
    "source" : "https://rdap.arin.net/registry/entity/HJP10-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "HJP10-ARIN",
    "name" : "PARKER, HARRISON JOE",
    "email" : [ "harrison.p@amherst.systems" ],
    "phone" : [ "+1-413-456-7440" ],
    "source" : "https://rdap.arin.net/registry/entity/HJP10-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HJP10-ARIN",
    "name" : "PARKER, HARRISON JOE",
    "email" : [ "harrison.p@amherst.systems" ],
    "phone" : [ "+1-413-456-7440" ],
    "source" : "https://rdap.arin.net/registry/entity/HJP10-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS1002	Bytefilter LLC	US

Upstreams

AS Number	Description	Country
AS1002	Bytefilter LLC	US

Frequently Asked Questions

What is ASN AS402389?

ASN AS402389 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS402389?

AS402389 is listed under Amherst Systems LLC.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.