ASN Lookup Tool

Headquarters, USAISC mail.mil US US 19 Routes

AS Data

AS1530

AS1530 – Headquarters, USAISC

AS Number 1530
AS Name DNIC-ASBLK-01529-01530
Organization Headquarters, USAISC(headqu-3)
Country US
Website mail.mil
Number of IPv4 Routes 18
Number of IPv6 Routes 1
ASN type GOVERNMENT
Registry ARIN
Date Allocated 2004-05-12

ASN Intelligence API for production workflows

Use ASN data for AS1530 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
55.20.254.0/24 256
55.20.0.0/16 65536
55.71.22.0/23 512
55.71.175.0/24 256
55.20.32.0/23 512
55.71.254.0/24 256
55.71.0.0/16 65536
55.71.169.0/24 256
55.20.7.0/24 256
2608:14b:2400::/40 ~309×10²⁴

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:       1529 - 1530
ASName:         DNIC-ASBLK-01529-01530
ASHandle:       AS1529
RegDate:        2004-05-12
Updated:        2011-08-24    
Ref:            https://rdap.arin.net/registry/autnum/1529


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


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

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


#
# 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
AS306 United States Department of Defense (DoD) US
AS306 United States Department of Defense DoD US

Upstreams

AS Number Description Country
AS306 United States Department of Defense DoD US

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Frequently Asked Questions

ASN AS1530 is an Autonomous System Number used to identify a network for BGP internet routing.
AS1530 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.