ASN AS1649 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1649?

AS1649 is listed under U.S. Army Information Systems Command.

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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AS1649 U.S. Army Information Systems Command

U.S. Army Information Systems Command army.mil

US 62 Routes

AS Data

AS1649

AS1649 – U.S. Army Information Systems Command

AS Number	1649
AS Name	DNIC-AS-01649
Organization	U.S. Army Information Systems Command (headqu-3)
Country	US
Website	army.mil
Number of IPv4 Routes	61
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 AS1649 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
143.45.208.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.8.0/23	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	512
143.45.135.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.130.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.164.0/23	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	512
150.133.112.0/22	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	1024
143.45.36.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.18.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
147.248.29.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.184.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.38.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.128.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.130.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.20.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
147.248.28.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.12.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.34.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.111.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.46.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.138.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.192.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.50.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.11.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.140.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.155.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.147.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.0.0/16	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	65536
150.133.0.0/16	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	65536
150.133.100.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.120.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.137.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
6.134.28.0/23	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	512
143.45.100.0/23	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	512
150.133.216.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.134.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.136.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
2608:c124:120::/48	AS1649	Headquarters, USAISC	United States Department of Defense	~1×10²⁴
150.133.104.0/22	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	1024
150.133.101.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.32.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.171.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.20.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.37.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.102.0/23	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	512
143.45.11.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.139.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.47.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.150.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.33.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
6.47.120.0/24	AS0			256
143.45.21.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.17.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.170.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
150.133.129.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.12.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.160.0/22	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	1024
143.45.132.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.125.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.48.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	256
143.45.179.0/24	AS1649	Headquarters, USAISC	U.S. Army Information Systems Command	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:       1649
ASName:         DNIC-AS-01649
ASHandle:       AS1649
RegDate:        2004-05-12
Updated:        2011-08-24
Ref:            https://rdap.arin.net/registry/autnum/1649


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:        2026-08-12
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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "1649",
    "as_handle" : "AS1649",
    "as_name" : "DNIC-AS-01649",
    "tech_contacts" : [ "REGIS10-ARIN" ],
    "abuse_contacts" : [ "REGIS10-ARIN" ],
    "date_created" : "2004-05-12",
    "date_updated" : "2011-08-24",
    "source" : "https://rdap.arin.net/registry/autnum/1649"
  } ],
  "organization" : {
    "handle" : "HEADQU-3",
    "name" : "Headquarters, USAISC",
    "address" : [ "NETC-ANC CONUS TNOSC", "Fort Huachuca", "AZ", "85613", "US" ],
    "city" : "Fort Huachuca",
    "state" : "AZ",
    "zip_code" : "85613",
    "country" : [ "US" ],
    "date_created" : "1990-03-26",
    "date_updated" : "2026-08-12",
    "source" : "https://rdap.arin.net/registry/entity/HEADQU-3",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "REGIS10-ARIN",
    "name" : "Registration",
    "email" : [ "disa.columbus.ns.mbx.arin-registrations@mail.mil" ],
    "phone" : [ "+1-844-347-2457" ],
    "source" : "https://rdap.arin.net/registry/entity/REGIS10-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "REGIS10-ARIN",
    "name" : "Registration",
    "email" : [ "disa.columbus.ns.mbx.arin-registrations@mail.mil" ],
    "phone" : [ "+1-844-347-2457" ],
    "source" : "https://rdap.arin.net/registry/entity/REGIS10-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS27066	United States Department of Defense	US

Upstreams

AS Number	Description	Country
AS27066	United States Department of Defense	US

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