ASN AS31753 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31753?

AS31753 is listed under Inmarsat Government.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS31753 Inmarsat Government | IPGeolocation.io

ASN Lookup Tool

Inmarsat Government inmarsatgov.com

US 17 Routes

AS Data

AS31753

AS31753 – Inmarsat Government

AS Number	31753
AS Name	INMARSAT-GOVERNMENT-1
Organization	Inmarsat Government (segov-2)
Country	US
Website	inmarsatgov.com
Number of IPv4 Routes	17
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2003-12-15

ASN Intelligence API for production workflows

Use ASN data for AS31753 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
109.232.10.0/24	AS31753	Inmarsat Government	Internet Access SGSI EMEA	256
74.84.59.0/24	AS31753	Inmarsat Government	Inmarsat Government	256
74.84.32.0/19	AS31753	Inmarsat Government	Inmarsat Government	8192
68.66.176.0/20	AS31753	Inmarsat Government	Inmarsat Solutions US Inc.	4096
74.84.54.0/24	AS31753	Inmarsat Government	Inmarsat Government	256
74.84.57.0/24	AS31753	Inmarsat Government	Inmarsat Government	256
74.84.56.0/24	AS31753	Inmarsat Government	Inmarsat Government	256
74.84.37.0/24	AS31753	Inmarsat Government	Inmarsat Government	256
38.103.124.0/24	AS31753	Inmarsat Government	Inmarsat Commercial Services, Inc.	256
212.165.117.0/24	AS31753	Inmarsat Government	Assignments	256
38.91.41.0/24	AS31753	Inmarsat Government	Inmarsat Commercial Services, Inc.	256
212.165.116.0/23	AS31753	Inmarsat Government	Assignments	512
74.84.55.0/24	AS31753	Inmarsat Government	Inmarsat Government	256
64.235.112.0/20	AS31753	Inmarsat Government	Inmarsat Government	4096
63.251.94.0/24	AS31753	Inmarsat Government	Segovia, Ltd	256
109.232.8.0/22	AS31753	Inmarsat Government	Internet Access SGSI EMEA	1024
212.165.116.0/24	AS31753	Inmarsat Government	Assignments	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:       31753
ASName:         INMARSAT-GOVERNMENT-1
ASHandle:       AS31753
RegDate:        2003-12-15
Updated:        2019-04-18
Ref:            https://rdap.arin.net/registry/autnum/31753


OrgName:        Inmarsat Government
OrgId:          SEGOV-2
Address:        11600 Sunrise Valley Dr Suite 200
City:           Reston
StateProv:      VA
PostalCode:     20191
Country:        US
RegDate:        2015-12-22
Updated:        2026-06-25
Comment:        www.inmarsatgov.com
Ref:            https://rdap.arin.net/registry/entity/SEGOV-2


OrgNOCHandle: WEBMA428-ARIN
OrgNOCName:   Webmaster
OrgNOCPhone:  +1-703-621-6450 
OrgNOCEmail:  webmaster@inmarsatgov.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/WEBMA428-ARIN

OrgDNSHandle: WEBMA428-ARIN
OrgDNSName:   Webmaster
OrgDNSPhone:  +1-703-621-6450 
OrgDNSEmail:  webmaster@inmarsatgov.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/WEBMA428-ARIN

OrgRoutingHandle: WEBMA428-ARIN
OrgRoutingName:   Webmaster
OrgRoutingPhone:  +1-703-621-6450 
OrgRoutingEmail:  webmaster@inmarsatgov.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WEBMA428-ARIN

OrgAbuseHandle: WEBMA428-ARIN
OrgAbuseName:   Webmaster
OrgAbusePhone:  +1-703-621-6450 
OrgAbuseEmail:  webmaster@inmarsatgov.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WEBMA428-ARIN

OrgTechHandle: WEBMA428-ARIN
OrgTechName:   Webmaster
OrgTechPhone:  +1-703-621-6450 
OrgTechEmail:  webmaster@inmarsatgov.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WEBMA428-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" : "31753",
    "as_handle" : "AS31753",
    "as_name" : "INMARSAT-GOVERNMENT-1",
    "admin_contacts" : [ "WEBMA428-ARIN" ],
    "tech_contacts" : [ "WEBMA428-ARIN", "WEBMA428-ARIN" ],
    "abuse_contacts" : [ "WEBMA428-ARIN" ],
    "date_created" : "2003-12-15",
    "date_updated" : "2019-04-18",
    "source" : "https://rdap.arin.net/registry/autnum/31753"
  } ],
  "organization" : {
    "handle" : "SEGOV-2",
    "name" : "Inmarsat Government",
    "address" : [ "11600 Sunrise Valley Dr Suite 200", "Reston", "VA", "20191", "US" ],
    "street" : "Sunrise Valley Dr",
    "city" : "Reston",
    "state" : "VA",
    "zip_code" : "20191",
    "country" : [ "US" ],
    "date_created" : "2015-12-22",
    "date_updated" : "2026-06-25",
    "source" : "https://rdap.arin.net/registry/entity/SEGOV-2",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "WEBMA428-ARIN",
    "name" : "Webmaster",
    "email" : [ "webmaster@inmarsatgov.com" ],
    "phone" : [ "+1-703-621-6450" ],
    "source" : "https://rdap.arin.net/registry/entity/WEBMA428-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "WEBMA428-ARIN",
    "name" : "Webmaster",
    "email" : [ "webmaster@inmarsatgov.com" ],
    "phone" : [ "+1-703-621-6450" ],
    "source" : "https://rdap.arin.net/registry/entity/WEBMA428-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "WEBMA428-ARIN",
    "name" : "Webmaster",
    "email" : [ "webmaster@inmarsatgov.com" ],
    "phone" : [ "+1-703-621-6450" ],
    "source" : "https://rdap.arin.net/registry/entity/WEBMA428-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS397496	Inmarsat Government	US

Upstreams

AS Number	Description	Country
AS397496	Inmarsat Government	US