AS Number
AS0
AS Name
DNIC-ASBLK-00306-00371
Org Name
United States Department of Defense (DoD)
Registry

arin

RegDate

2007-01-12

Updated

2025-03-13

AS362 Looking Glass
IPv4Prefixes

36

IPv6Prefixes

1

IPv4 NUMs

131,072

IPv6 NUMs(/64)

16,777,216

131,072 IPv4 Addresses
CIDR Description IP Num
55.7.0.0/16
Headquarters, USAISC 65536
55.7.113.0/24
Headquarters, USAISC 256
55.7.162.0/24
Headquarters, USAISC 256
55.7.164.0/24
Headquarters, USAISC 256
55.7.166.0/24
Headquarters, USAISC 256
55.7.236.0/24
Headquarters, USAISC 256
55.7.237.0/24
Headquarters, USAISC 256
55.7.240.0/24
Headquarters, USAISC 256
55.7.243.0/24
Headquarters, USAISC 256
55.7.244.0/24
Headquarters, USAISC 256
55.7.245.0/24
Headquarters, USAISC 256
55.7.246.0/24
Headquarters, USAISC 256
55.7.247.0/24
Headquarters, USAISC 256
55.7.248.0/24
Headquarters, USAISC 256
55.60.0.0/16
Headquarters, USAISC 65536
55.60.1.0/24
Headquarters, USAISC 256
55.60.21.0/24
Headquarters, USAISC 256
55.60.22.0/24
Headquarters, USAISC 256
55.60.104.0/22
Headquarters, USAISC 1024
55.60.108.0/22
Headquarters, USAISC 1024
55.60.113.0/24
Headquarters, USAISC 256
55.60.162.0/24
Headquarters, USAISC 256
55.60.164.0/24
Headquarters, USAISC 256
55.60.166.0/24
Headquarters, USAISC 256
55.60.168.0/23
Headquarters, USAISC 512
55.60.170.0/23
Headquarters, USAISC 512
55.60.172.0/23
Headquarters, USAISC 512
55.60.174.0/23
Headquarters, USAISC 512
55.60.236.0/24
Headquarters, USAISC 256
55.60.237.0/24
Headquarters, USAISC 256
55.60.240.0/24
Headquarters, USAISC 256
55.60.243.0/24
Headquarters, USAISC 256
55.60.244.0/24
Headquarters, USAISC 256
55.60.245.0/24
Headquarters, USAISC 256
55.60.247.0/24
Headquarters, USAISC 256
55.60.248.0/24
Headquarters, USAISC 256
CIDR Description IP NUMs(prefix /64)
2608:12b:1500::/40
United States Department of Defense (DoD) 16777216
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS306 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US United States 4,689,664 355,205,120 IPv4 IPv4 IPv6 IPv6
ASNumber:       306 - 371
ASName:         DNIC-ASBLK-00306-00371
ASHandle:       AS306
RegDate:        1989-06-30
Updated:        2025-09-12    
Ref:            https://rdap.arin.net/registry/autnum/306



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


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

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

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

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