AS121 - DNIC-AS-00121 - United States Department of Defense (DoD), US

United States
AS Number
AS121
AS Name
DNIC-AS-00121
Org Name
United States Department of Defense (DoD)
Country / Region
United States
Registry

arin

RegDate

2007-01-12

Updated

2026-08-12

AS121 Looking Glass
IPv4Prefixes

6

IPv6Prefixes

0

IPv4 NUMs

9,728

IPv6 NUMs(/64)

0

CIDR Description IP Num
214.54.192.0/20
IRR Valid
DoD Network Information Center 4096
214.54.208.0/20
IRR Valid
DoD Network Information Center 4096
214.54.224.0/23
IRR Valid
DoD Network Information Center 512
214.54.226.0/23
IRR Valid
DoD Network Information Center 512
214.54.230.0/24
IRR Valid
DoD Network Information Center 256
214.54.231.0/24
IRR InValid
DoD Network Information Center 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS668 DNIC-AS-00668 - United States Department of Defense (DoD), US United States 2,555,648 4,294,967,296 IPv4 IPv4 
ASNumber:       121
ASName:         DNIC-AS-00121
ASHandle:       AS121
RegDate:        1987-08-13
Updated:        2025-09-12
Ref:            https://rdap.arin.net/registry/autnum/121

OrgID:          USDDD
OrgName:        United States Department of Defense (DoD)
CanAllocate:    
Street:         3990 E. Broad Street
City:           Columbus
State/Prov:     OH
Country:        US
PostalCode:     43218
RegDate:        2007-01-12
Updated:        2026-08-12
OrgAdminHandle  REGIS10-ARIN
OrgTechHandle   MIL-HSTMST-ARIN
OrgTechHandle   REGIS10-ARIN
OrgAbuseHandle  MIL-HSTMST-ARIN
OrgNOCHandle    MIL-HSTMST-ARIN
Source:         ARIN

OrgTechHandleHandle:  MIL-HSTMST-ARIN
OrgTechHandleName:    Network DoD, 
OrgTechHandlePhone:   +1-844-347-2457
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgTechHandleHandle:  REGIS10-ARIN
OrgTechHandleName:    Registration, 
OrgTechHandlePhone:   +1-844-347-2457
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgAbuseHandleHandle:  MIL-HSTMST-ARIN
OrgAbuseHandleName:    Network DoD, 
OrgAbuseHandlePhone:   +1-844-347-2457
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgNOCHandleHandle:  MIL-HSTMST-ARIN
OrgNOCHandleName:    Network DoD, 
OrgNOCHandlePhone:   +1-844-347-2457
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgAdminHandleHandle:  REGIS10-ARIN
OrgAdminHandleName:    Registration, 
OrgAdminHandlePhone:   +1-844-347-2457
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/REGIS10-ARIN