AS344 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US

AS Number

AS344

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

AS344 Looking Glass

IPv4Prefixes

184

IPv6Prefixes

IPv4 NUMs

67,584

IPv6 NUMs(/64)

16,777,216

IPv4 Ranges
IPv6 Ranges

CIDR	Description	IP Num
55.2.0.0/16	Headquarters, USAISC	65536
55.2.2.0/24	Headquarters, USAISC	256
55.2.3.0/24	Headquarters, USAISC	256
55.2.4.0/24	Headquarters, USAISC	256
55.2.5.0/24	Headquarters, USAISC	256
55.2.6.0/24	Headquarters, USAISC	256
55.2.7.0/24	Headquarters, USAISC	256
55.2.8.0/24	Headquarters, USAISC	256
55.2.9.0/24	Headquarters, USAISC	256
55.2.10.0/24	Headquarters, USAISC	256
55.2.11.0/24	Headquarters, USAISC	256
55.2.12.0/24	Headquarters, USAISC	256
55.2.13.0/24	Headquarters, USAISC	256
55.2.14.0/24	Headquarters, USAISC	256
55.2.15.0/24	Headquarters, USAISC	256
55.2.16.0/24	Headquarters, USAISC	256
55.2.17.0/24	Headquarters, USAISC	256
55.2.18.0/24	Headquarters, USAISC	256
55.2.19.0/24	Headquarters, USAISC	256
55.2.20.0/24	Headquarters, USAISC	256
55.2.21.0/24	Headquarters, USAISC	256
55.2.22.0/23	Headquarters, USAISC	512
55.2.24.0/24	Headquarters, USAISC	256
55.2.25.0/24	Headquarters, USAISC	256
55.2.26.0/24	Headquarters, USAISC	256
55.2.27.0/24	Headquarters, USAISC	256
55.2.28.0/24	Headquarters, USAISC	256
55.2.29.0/24	Headquarters, USAISC	256
55.2.31.0/24	Headquarters, USAISC	256
55.2.33.0/24	Headquarters, USAISC	256
55.2.34.0/24	Headquarters, USAISC	256
55.2.35.0/24	Headquarters, USAISC	256
55.2.36.0/24	Headquarters, USAISC	256
55.2.37.0/24	Headquarters, USAISC	256
55.2.38.0/24	Headquarters, USAISC	256
55.2.39.0/24	Headquarters, USAISC	256
55.2.40.0/24	Headquarters, USAISC	256
55.2.41.0/24	Headquarters, USAISC	256
55.2.42.0/24	Headquarters, USAISC	256
55.2.43.0/24	Headquarters, USAISC	256
55.2.45.0/24	Headquarters, USAISC	256
55.2.46.0/24	Headquarters, USAISC	256
55.2.47.0/24	Headquarters, USAISC	256
55.2.48.0/24	Headquarters, USAISC	256
55.2.49.0/24	Headquarters, USAISC	256
55.2.50.0/24	Headquarters, USAISC	256
55.2.51.0/24	Headquarters, USAISC	256
55.2.52.0/24	Headquarters, USAISC	256
55.2.53.0/24	Headquarters, USAISC	256
55.2.54.0/24	Headquarters, USAISC	256
55.2.55.0/24	Headquarters, USAISC	256
55.2.57.0/24	Headquarters, USAISC	256
55.2.59.0/24	Headquarters, USAISC	256
55.2.60.0/24	Headquarters, USAISC	256
55.2.61.0/24	Headquarters, USAISC	256
55.2.62.0/24	Headquarters, USAISC	256
55.2.63.0/24	Headquarters, USAISC	256
55.2.64.0/24	Headquarters, USAISC	256
55.2.67.0/24	Headquarters, USAISC	256
55.2.69.0/24	Headquarters, USAISC	256
55.2.70.0/24	Headquarters, USAISC	256
55.2.71.0/24	Headquarters, USAISC	256
55.2.72.0/24	Headquarters, USAISC	256
55.2.73.0/24	Headquarters, USAISC	256
55.2.75.0/24	Headquarters, USAISC	256
55.2.78.0/24	Headquarters, USAISC	256
55.2.80.0/24	Headquarters, USAISC	256
55.2.81.0/24	Headquarters, USAISC	256
55.2.82.0/24	Headquarters, USAISC	256
55.2.83.0/24	Headquarters, USAISC	256
55.2.84.0/22	Headquarters, USAISC	1024
55.2.88.0/22	Headquarters, USAISC	1024
55.2.92.0/24	Headquarters, USAISC	256
55.2.93.0/24	Headquarters, USAISC	256
55.2.94.0/24	Headquarters, USAISC	256
55.2.95.0/24	Headquarters, USAISC	256
55.2.96.0/24	Headquarters, USAISC	256
55.2.97.0/24	Headquarters, USAISC	256
55.2.98.0/24	Headquarters, USAISC	256
55.2.99.0/24	Headquarters, USAISC	256
55.2.100.0/24	Headquarters, USAISC	256
55.2.101.0/24	Headquarters, USAISC	256
55.2.102.0/24	Headquarters, USAISC	256
55.2.104.0/24	Headquarters, USAISC	256
55.2.105.0/24	Headquarters, USAISC	256
55.2.106.0/24	Headquarters, USAISC	256
55.2.107.0/24	Headquarters, USAISC	256
55.2.108.0/24	Headquarters, USAISC	256
55.2.109.0/24	Headquarters, USAISC	256
55.2.111.0/24	Headquarters, USAISC	256
55.2.113.0/24	Headquarters, USAISC	256
55.2.114.0/24	Headquarters, USAISC	256
55.2.115.0/24	Headquarters, USAISC	256
55.2.117.0/24	Headquarters, USAISC	256
55.2.118.0/24	Headquarters, USAISC	256
55.2.119.0/24	Headquarters, USAISC	256
55.2.120.0/24	Headquarters, USAISC	256
55.2.124.0/24	Headquarters, USAISC	256
55.2.125.0/24	Headquarters, USAISC	256
55.2.126.0/24	Headquarters, USAISC	256
55.2.127.0/24	Headquarters, USAISC	256
55.2.128.0/24	Headquarters, USAISC	256
55.2.129.0/24	Headquarters, USAISC	256
55.2.131.0/24	Headquarters, USAISC	256
55.2.132.0/24	Headquarters, USAISC	256
55.2.133.0/24	Headquarters, USAISC	256
55.2.134.0/24	Headquarters, USAISC	256
55.2.135.0/24	Headquarters, USAISC	256
55.2.136.0/24	Headquarters, USAISC	256
55.2.137.0/24	Headquarters, USAISC	256
55.2.138.0/24	Headquarters, USAISC	256
55.2.139.0/24	Headquarters, USAISC	256
55.2.140.0/24	Headquarters, USAISC	256
55.2.141.0/24	Headquarters, USAISC	256
55.2.142.0/24	Headquarters, USAISC	256
55.2.143.0/24	Headquarters, USAISC	256
55.2.144.0/24	Headquarters, USAISC	256
55.2.145.0/24	Headquarters, USAISC	256
55.2.146.0/24	Headquarters, USAISC	256
55.2.147.0/24	Headquarters, USAISC	256
55.2.150.0/24	Headquarters, USAISC	256
55.2.153.0/24	Headquarters, USAISC	256
55.2.156.0/24	Headquarters, USAISC	256
55.2.159.0/24	Headquarters, USAISC	256
55.2.160.0/24	Headquarters, USAISC	256
55.2.163.0/24	Headquarters, USAISC	256
55.2.164.0/24	Headquarters, USAISC	256
55.2.168.0/24	Headquarters, USAISC	256
55.2.172.0/24	Headquarters, USAISC	256
55.2.173.0/24	Headquarters, USAISC	256
55.2.174.0/24	Headquarters, USAISC	256
55.2.188.0/22	Headquarters, USAISC	1024
55.2.196.0/22	Headquarters, USAISC	1024
55.2.201.0/24	Headquarters, USAISC	256
55.2.202.0/24	Headquarters, USAISC	256
55.2.203.0/24	Headquarters, USAISC	256
55.2.204.0/24	Headquarters, USAISC	256
55.2.205.0/24	Headquarters, USAISC	256
55.2.206.0/24	Headquarters, USAISC	256
55.2.207.0/24	Headquarters, USAISC	256
55.2.208.0/24	Headquarters, USAISC	256
55.2.209.0/24	Headquarters, USAISC	256
55.2.210.0/24	Headquarters, USAISC	256
55.2.211.0/24	Headquarters, USAISC	256
55.2.212.0/24	Headquarters, USAISC	256
55.2.215.0/24	Headquarters, USAISC	256
55.2.216.0/24	Headquarters, USAISC	256
55.2.217.0/24	Headquarters, USAISC	256
55.2.218.0/24	Headquarters, USAISC	256
55.2.219.0/24	Headquarters, USAISC	256
55.2.220.0/24	Headquarters, USAISC	256
55.2.221.0/24	Headquarters, USAISC	256
55.2.222.0/24	Headquarters, USAISC	256
55.2.224.0/22	Headquarters, USAISC	1024
55.2.228.0/23	Headquarters, USAISC	512
55.2.230.0/24	Headquarters, USAISC	256
55.2.231.0/24	Headquarters, USAISC	256
55.2.232.0/24	Headquarters, USAISC	256
55.2.233.0/24	Headquarters, USAISC	256
55.2.234.0/23	Headquarters, USAISC	512
55.2.236.0/24	Headquarters, USAISC	256
55.2.237.0/24	Headquarters, USAISC	256
55.2.238.0/24	Headquarters, USAISC	256
55.2.239.0/24	Headquarters, USAISC	256
55.2.240.0/24	Headquarters, USAISC	256
55.2.241.0/24	Headquarters, USAISC	256
55.2.243.0/24	Headquarters, USAISC	256
55.2.244.0/24	Headquarters, USAISC	256
55.2.245.0/24	Headquarters, USAISC	256
55.2.246.0/24	Headquarters, USAISC	256
55.2.247.0/24	Headquarters, USAISC	256
55.2.248.0/24	Headquarters, USAISC	256
55.2.250.0/24	Headquarters, USAISC	256
55.2.252.0/24	Headquarters, USAISC	256
55.2.253.0/24	Headquarters, USAISC	256
55.2.254.0/24	Headquarters, USAISC	256
214.25.1.0/24	DoD Network Information Center	256
214.25.2.0/24	DoD Network Information Center	256
214.25.3.0/24	DoD Network Information Center	256
214.25.4.0/24	DoD Network Information Center	256
214.25.6.0/24	DoD Network Information Center	256
214.25.7.0/24	DoD Network Information Center	256
214.25.8.0/24	DoD Network Information Center	256
214.25.9.0/24	DoD Network Information Center	256

CIDR	Description	IP NUMs(prefix /64)
2608:18a:1000::/40	United States Department of Defense (DoD)	16777216

AS	Description	Country / Region	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS27064	DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD), US		1,656,320	2,359,296	IPv4
AS306	DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US		4,558,336	54,198,272	IPv4	IPv6

ASNumber:       344
ASName:         DNIC-ASBLK-00306-00371
ASHandle:       AS306
RegDate:        1989-06-30
Updated:        2025-09-12
Ref:            https://rdap.arin.net/registry/autnum/344

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

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

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

AS344 - DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US

AS344

DNIC-ASBLK-00306-00371

United States Department of Defense (DoD)

United States