What is ASN AS402807?

ASN AS402807 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS402807?

AS402807 is listed under Determinate Systems, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

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AS402807 Determinate Systems, Inc.

ASN Lookup Tool

Determinate Systems, Inc. determinate.systems

US 3 Routes

AS Data

AS402807

AS402807 – Determinate Systems, Inc.

AS Number	402807
AS Name	DETSYS-FHCSAT-ANY-1
Organization	Determinate Systems, Inc. (ds-1201)
Country	US
Website	determinate.systems
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2026-07-24

ASN Intelligence API for production workflows

Use ASN data for AS402807 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
191.44.116.0/24	AS402807	Determinate Systems, Inc.	Determinate Systems, Inc.	256
2606:c220:6000::/48	AS402807	Determinate Systems, Inc.	Determinate Systems, Inc.	~1×10²⁴
40.223.192.0/24	AS0		Internet Utilities NA LLC	256

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:       402807
ASName:         DETSYS-FHCSAT-ANY-1
ASHandle:       AS402807
RegDate:        2026-07-24
Updated:        2026-07-24
Ref:            https://rdap.arin.net/registry/autnum/402807


OrgName:        Determinate Systems, Inc.
OrgId:          DS-1201
Address:        89 Leroi Dr.
City:           Pittsfield
StateProv:      MA
PostalCode:     01201
Country:        US
RegDate:        2025-08-21
Updated:        2025-08-27
Comment:        https://determinate.systems
Ref:            https://rdap.arin.net/registry/entity/DS-1201


OrgRoutingHandle: INFRA280-ARIN
OrgRoutingName:   Infrastructure
OrgRoutingPhone:  +1-641-649-4357 
OrgRoutingEmail:  infrastructure-public@determinate.systems
OrgRoutingRef:    https://rdap.arin.net/registry/entity/INFRA280-ARIN

OrgDNSHandle: INFRA280-ARIN
OrgDNSName:   Infrastructure
OrgDNSPhone:  +1-641-649-4357 
OrgDNSEmail:  infrastructure-public@determinate.systems
OrgDNSRef:    https://rdap.arin.net/registry/entity/INFRA280-ARIN

OrgNOCHandle: INFRA280-ARIN
OrgNOCName:   Infrastructure
OrgNOCPhone:  +1-641-649-4357 
OrgNOCEmail:  infrastructure-public@determinate.systems
OrgNOCRef:    https://rdap.arin.net/registry/entity/INFRA280-ARIN

OrgTechHandle: INFRA280-ARIN
OrgTechName:   Infrastructure
OrgTechPhone:  +1-641-649-4357 
OrgTechEmail:  infrastructure-public@determinate.systems
OrgTechRef:    https://rdap.arin.net/registry/entity/INFRA280-ARIN

OrgAbuseHandle: INFRA280-ARIN
OrgAbuseName:   Infrastructure
OrgAbusePhone:  +1-641-649-4357 
OrgAbuseEmail:  infrastructure-public@determinate.systems
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFRA280-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" : "402807",
    "as_handle" : "AS402807",
    "as_name" : "DETSYS-FHCSAT-ANY-1",
    "admin_contacts" : [ "INFRA280-ARIN" ],
    "tech_contacts" : [ "INFRA280-ARIN", "INFRA280-ARIN" ],
    "abuse_contacts" : [ "INFRA280-ARIN" ],
    "date_created" : "2026-07-24",
    "date_updated" : "2026-07-24",
    "source" : "https://rdap.arin.net/registry/autnum/402807"
  } ],
  "organization" : {
    "handle" : "DS-1201",
    "name" : "Determinate Systems, Inc.",
    "address" : [ "89 Leroi Dr.", "Pittsfield", "MA", "01201", "US" ],
    "street" : "Leroi Dr.",
    "city" : "Pittsfield",
    "state" : "MA",
    "zip_code" : "01201",
    "country" : [ "US" ],
    "date_created" : "2025-08-21",
    "date_updated" : "2025-08-27",
    "source" : "https://rdap.arin.net/registry/entity/DS-1201",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "INFRA280-ARIN",
    "name" : "Infrastructure",
    "email" : [ "infrastructure-public@determinate.systems" ],
    "phone" : [ "+1-641-649-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/INFRA280-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "INFRA280-ARIN",
    "name" : "Infrastructure",
    "email" : [ "infrastructure-public@determinate.systems" ],
    "phone" : [ "+1-641-649-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/INFRA280-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "INFRA280-ARIN",
    "name" : "Infrastructure",
    "email" : [ "infrastructure-public@determinate.systems" ],
    "phone" : [ "+1-641-649-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/INFRA280-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS52025	ParadoxNetworks Limited	GB
AS20473	The Constant Company, LLC	US

Upstreams

AS Number	Description	Country
AS20473	The Constant Company, LLC	US