AS369 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US

AS Number

AS369

AS Name

DNIC-ASBLK-00306-00371

Org Name

United States Department of Defense (DoD)

Country / Region

United States

Registry

arin

RegDate

2007-01-12

Updated

2026-08-12

AS369 Looking Glass

IPv4Prefixes

IPv6Prefixes

IPv4 NUMs

131,072

IPv6 NUMs(/64)

16,777,216

IPv4 Ranges
IPv6 Ranges

CIDR	Description	IP Num
55.50.0.0/16	Headquarters, USAISC	65536
55.50.22.0/24	Headquarters, USAISC	256
55.50.187.0/24	Headquarters, USAISC	256
55.50.188.0/24	Headquarters, USAISC	256
55.50.189.0/24	Headquarters, USAISC	256
55.50.190.0/24	Headquarters, USAISC	256
55.50.191.0/24	Headquarters, USAISC	256
55.50.192.0/24	Headquarters, USAISC	256
55.50.193.0/24	Headquarters, USAISC	256
55.50.194.0/24	Headquarters, USAISC	256
55.50.195.0/24	Headquarters, USAISC	256
55.50.196.0/24	Headquarters, USAISC	256
55.50.197.0/24	Headquarters, USAISC	256
55.50.198.0/24	Headquarters, USAISC	256
55.50.251.0/24	Headquarters, USAISC	256
55.91.0.0/16	Headquarters, USAISC	65536
55.91.43.0/24	Headquarters, USAISC	256
55.91.143.0/24	Headquarters, USAISC	256
55.91.187.0/24	Headquarters, USAISC	256
55.91.188.0/24	Headquarters, USAISC	256
55.91.189.0/24	Headquarters, USAISC	256
55.91.190.0/24	Headquarters, USAISC	256
55.91.191.0/24	Headquarters, USAISC	256
55.91.192.0/24	Headquarters, USAISC	256
55.91.193.0/24	Headquarters, USAISC	256
55.91.194.0/24	Headquarters, USAISC	256
55.91.195.0/24	Headquarters, USAISC	256
55.91.196.0/24	Headquarters, USAISC	256
55.91.197.0/24	Headquarters, USAISC	256
55.91.198.0/24	Headquarters, USAISC	256
55.91.201.0/24	Headquarters, USAISC	256
55.91.202.0/24	Headquarters, USAISC	256
55.91.203.0/24	Headquarters, USAISC	256
55.91.204.0/24	Headquarters, USAISC	256
55.91.208.0/22	Headquarters, USAISC	1024
55.91.218.0/24	Headquarters, USAISC	256
55.91.219.0/24	Headquarters, USAISC	256
55.91.220.0/24	Headquarters, USAISC	256
55.91.223.0/24	Headquarters, USAISC	256
55.91.226.0/24	Headquarters, USAISC	256
55.91.230.0/24	Headquarters, USAISC	256
55.91.232.0/24	Headquarters, USAISC	256
55.91.233.0/24	Headquarters, USAISC	256
55.91.234.0/24	Headquarters, USAISC	256
55.91.235.0/24	Headquarters, USAISC	256
55.91.240.0/24	Headquarters, USAISC	256
55.91.241.0/24	Headquarters, USAISC	256
55.91.243.0/24	Headquarters, USAISC	256
55.91.245.0/24	Headquarters, USAISC	256
55.91.251.0/24	Headquarters, USAISC	256

CIDR	Description	IP NUMs(prefix /64)
2608:10b:5600::/40	United States Department of Defense (DoD)	16777216
2608:10b:5602::/48	United States Department of Defense (DoD)	65536
2608:10b:5621::/48	United States Department of Defense (DoD)	65536
2608:10b:5622::/48	United States Department of Defense (DoD)	65536
2608:10b:5623::/48	United States Department of Defense (DoD)	65536
2608:10b:5624::/48	United States Department of Defense (DoD)	65536
2608:10b:5625::/48	United States Department of Defense (DoD)	65536
2608:10b:5626::/48	United States Department of Defense (DoD)	65536
2608:10b:5627::/48	United States Department of Defense (DoD)	65536
2608:10b:5628::/48	United States Department of Defense (DoD)	65536
2608:10b:5629::/48	United States Department of Defense (DoD)	65536
2608:10b:562a::/48	United States Department of Defense (DoD)	65536
2608:10b:562b::/48	United States Department of Defense (DoD)	65536
2608:10b:562c::/48	United States Department of Defense (DoD)	65536

AS	Description	Country / Region	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS306	DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US		4,558,336	54,198,272	IPv4	IPv6

ASNumber:       369
ASName:         DNIC-ASBLK-00306-00371
ASHandle:       AS306
RegDate:        1989-06-30
Updated:        2025-09-12
Ref:            https://rdap.arin.net/registry/autnum/369

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
OrgAbuseHandle  MIL-HSTMST-ARIN
OrgNOCHandle    MIL-HSTMST-ARIN
OrgAdminHandle  REGIS10-ARIN
OrgTechHandle   MIL-HSTMST-ARIN
OrgTechHandle   REGIS10-ARIN
Source:         ARIN

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

AS369 - DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US

AS369

DNIC-ASBLK-00306-00371

United States Department of Defense (DoD)

United States