AS721 United States Department of Defense DoD

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

AS721 – United States Department of Defense DoD

AS Number	721
AS Name	DNIC-ASBLK-00721-00726
Organization	United States Department of Defense DoD(usddd)
Country	US
Website	mail.mil
Number of IPv4 Routes	502
Number of IPv6 Routes	2
ASN type	GOVERNMENT
Allocation Status
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.211.16.0/23	AS721	United States Department of Defense DoD	DoD Network Information Center	512
163.249.32.0/21	AS721	United States Department of Defense DoD	Navy Network Information Center NNIC	2048
163.249.84.0/22	AS721	United States Department of Defense DoD	Navy Network Information Center NNIC	1024
153.30.0.0/16	AS721	United States Department of Defense DoD	DoD Network Information Center	65536
192.153.132.0/22	AS721	United States Department of Defense DoD	Headquarters, USAISC	1024
150.196.133.0/24	AS721	United States Department of Defense DoD	Headquarters, USAISC	256
128.26.71.0/24	AS721	United States Department of Defense DoD	Air Force Systems Networking	256
131.73.0.0/16	AS5852	United States Department of Defense DoD	DoD Network Information Center	65536
134.135.0.0/16	AS721	United States Department of Defense DoD	DoD Network Information Center	65536
buy plan	AS5972	United States Department of Defense DoD	DoD Network Information Center	16384
buy plan	AS721	United States Department of Defense DoD	Headquarters, USAISC	1024
buy plan	AS721	United States Department of Defense DoD	DoD Network Information Center	256
buy plan	AS1540	Headquarters, USAISC	Headquarters, USAISC	131072
buy plan	AS721	DoD Network Information Center	Headquarters, USAISC	256

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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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       721 - 726
ASName:         DNIC-ASBLK-00721-00726
ASHandle:       AS721
RegDate:        
Updated:        2025-09-12    
Ref:            https://rdap.arin.net/registry/autnum/721



OrgName:        United States Department of Defense (DoD)
OrgId:          USDDD
Address:        3990 E. Broad Street
City:           Columbus
StateProv:      OH
PostalCode:     43218
Country:        US
RegDate:        2007-01-12
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/USDDD


OrgTechHandle: MIL-HSTMST-ARIN
OrgTechName:   Network DoD
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgNOCHandle: MIL-HSTMST-ARIN
OrgNOCName:   Network DoD
OrgNOCPhone:  +1-844-347-2457 
OrgNOCEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgNOCRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-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

OrgAbuseHandle: MIL-HSTMST-ARIN
OrgAbuseName:   Network DoD
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS27064	DoD Network Information Center	US
AS27065	United States Department of Defense DoD	US
AS27064	United States Department of Defense DoD	US
AS27065	United States Department of Defense (DoD)	US
AS27066	United States Department of Defense DoD	US
AS3356	Level 3 Parent, LLC	US
AS27066	DoD Network Information Center	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US

Downstreams

AS Number	Description	Country
AS27065	United States Department of Defense DoD	US
AS27064	United States Department of Defense DoD	US
AS27066	United States Department of Defense DoD	US

Contacts

Email Contacts

disa.columbus.ns.mbx.arin-registrations@mail.mil disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Abuse Contacts

disa.columbus.ns.mbx.arin-registrations@mail.mil

Legacy Routes

140.14.51.0/24 204.208.128.0/17 140.14.47.0/24 143.86.128.0/20 143.194.133.0/24 140.16.58.0/23 198.154.64.0/21 140.14.49.0/24 140.14.41.0/24 140.14.43.0/24 143.86.48.0/23 139.242.54.0/24 155.26.160.0/20 140.14.45.0/24 140.14.35.0/24 140.14.53.0/24 137.232.3.0/24 139.242.45.0/24 140.14.37.0/24 140.14.39.0/24 143.80.128.0/17