AS Number
AS138
AS Name
DNIC-AS-00138
Org Name
United States Department of Defense (DoD)
Registry

arin

RegDate

2007-01-12

Updated

2025-03-13

AS138 Looking Glass
IPv4Prefixes

21

IPv6Prefixes

0

IPv4 NUMs

236,288

IPv6 NUMs(/64)

0

236,288 IPv4 Addresses
CIDR Description IP Num
131.66.0.0/24
DoD Network Information Center 256
131.66.0.0/16
DoD Network Information Center 65536
131.67.0.0/24
DoD Network Information Center 256
131.67.0.0/16
DoD Network Information Center 65536
131.68.0.0/24
DoD Network Information Center 256
131.68.0.0/16
DoD Network Information Center 65536
141.234.0.0/18
DoD Network Information Center 16384
141.234.64.0/18
DoD Network Information Center 16384
144.183.15.0/24
DoD Network Information Center 256
144.183.16.0/24
DoD Network Information Center 256
144.183.17.0/24
DoD Network Information Center 256
144.183.20.0/24
DoD Network Information Center 256
144.183.32.0/22
DoD Network Information Center 1024
144.183.127.0/24
DoD Network Information Center 256
144.183.128.0/23
DoD Network Information Center 512
144.183.130.0/24
DoD Network Information Center 256
144.183.131.0/24
DoD Network Information Center 256
144.183.196.0/22
DoD Network Information Center 1024
144.183.200.0/21
DoD Network Information Center 2048
144.183.216.0/24
DoD Network Information Center 256
144.183.227.0/24
DoD Network Information Center 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS27064 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD), US United States 1,503,488 1,310,720 IPv4 IPv4
ASNumber:       138
ASName:         DNIC-AS-00138
ASHandle:       AS138
RegDate:        1987-11-11
Updated:        2025-09-12    
Ref:            https://rdap.arin.net/registry/autnum/138


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