ASN Lookup Tool

Headquarters, USAISC mail.mil US US 39 Routes

AS Data

AS4010

AS4010 – Headquarters, USAISC

AS Number 4010
AS Name DNIC-AS-04010
Organization Headquarters, USAISC(headqu-3)
Country US
Website mail.mil
Number of IPv4 Routes 39
Number of IPv6 Routes 0
ASN type GOVERNMENT
Registry ARIN
Date Allocated 1994-11-10

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Use ASN data for AS4010 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
155.84.0.0/16 65536
155.88.132.0/24 256
155.82.0.0/16 65536
155.88.0.0/16 65536
155.86.0.0/16 65536
155.85.192.0/18 16384
140.194.194.0/23 512
155.85.0.0/19 8192
155.88.196.0/24 256
155.78.0.0/16 65536

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:       4010
ASName:         DNIC-AS-04010
ASHandle:       AS4010
RegDate:        1994-11-10
Updated:        2011-08-24    
Ref:            https://rdap.arin.net/registry/autnum/4010


OrgName:        Headquarters, USAISC
OrgId:          HEADQU-3
Address:        NETC-ANC CONUS TNOSC
City:           Fort Huachuca
StateProv:      AZ
PostalCode:     85613
Country:        US
RegDate:        1990-03-26
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/HEADQU-3


OrgTechHandle: REGIS10-ARIN
OrgTechName:   Registration
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgAbuseHandle: REGIS10-ARIN
OrgAbuseName:   Registration
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/REGIS10-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

Peers

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS6461 Zayo Bandwidth US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS6461 Zayo Bandwidth US
AS174 Cogent Communications, LLC US

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Frequently Asked Questions

ASN AS4010 is an Autonomous System Number used to identify a network for BGP internet routing.
AS4010 is listed under Headquarters, USAISC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.