Autonomous System Number (ASN)721
ASN NameDNIC-ASBLK-00721-00726
Organization NameUnited States Department of Defense DoD
Org Handleusddd
CountryUS
TypeGOVERNMENT
Domain Namemail.mil
HostARIN
Total IPv4 Routes229
Total IPv6 Routes1
Route Objects(Total 230 records)
OriginAS27064
Origin NameUnited States Department of Defense DoD
ISPDoD Network Information Center
Number of IPs524288
OriginAS721
Origin NameUnited States Department of Defense DoD
ISPHeadquarters, USAISC
Number of IPs65536
OriginAS721
Origin NameUnited States Department of Defense DoD
ISPHeadquarters, USAISC
Number of IPs1024
Down Streams(Total 3 records)
OriginUnited States Department of Defense DoD
CountryUS
OriginUnited States Department of Defense DoD
CountryUS
OriginUnited States Department of Defense DoD
CountryUS
Up Streams(Total 1 records)
OriginLevel 3 Parent, LLC
CountryUS
Peers(Total 8 records)
OriginDoD Network Information Center
CountryUS
OriginUnited States Department of Defense DoD
CountryUS
OriginUnited States Department of Defense (DoD)
CountryUS
Contacts
Email Contacts
disa.columbus.ns.mbx.arin-registrations@mail.mil
disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Legacy Routes
140.14.51.0/24
140.14.47.0/24
140.14.45.0/24
140.14.35.0/24
140.14.53.0/24
136.210.0.0/16
140.14.49.0/24
140.14.41.0/24
140.14.37.0/24
140.14.43.0/24
140.14.39.0/24
Whois Response
Statustrue
Whois Serverwhois.arin.net
Aut Numbers
Aut Number721 - 726
AS HandleAS721
AS NameDNIC-ASBLK-00721-00726
Tech Contacts
MIL-HSTMST-ARIN
REGIS10-ARIN
Abuse Contacts
MIL-HSTMST-ARIN
Date Updated2025-09-12
Sourcehttps://rdap.arin.net/registry/autnum/721
Organization Details
HandleUSDDD
NameUnited States Department of Defense (DoD)
Address
3990 E. Broad Street
Columbus
OH
43218
US
Country
US
Date Created2007-01-12
Date Updated2025-03-13
Sourcehttps://rdap.arin.net/registry/entity/USDDD
Technical Contacts
HandleMIL-HSTMST-ARIN
NameNetwork DoD
Email
disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Phone
+1-844-347-2457
Sourcehttps://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
HandleREGIS10-ARIN
NameRegistration
Email
disa.columbus.ns.mbx.arin-registrations@mail.mil
Phone
+1-844-347-2457
Sourcehttps://rdap.arin.net/registry/entity/REGIS10-ARIN
Abuse Contacts
HandleMIL-HSTMST-ARIN
NameNetwork DoD
Email
disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Phone
+1-844-347-2457
Sourcehttps://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN
