disa.columbus.ns.mbx.arin-registrations@mail.mil
disa.columbus.ns.mbx.arin-registrations@mail.mil
disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
2026-03-25
2026-03-25
| AS | Desc | Country | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS306 | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US | 4493056 | 103940096 |
NetRange: 55.0.0.0 - 55.255.255.255 CIDR: 55.0.0.0/8 NetName: CONUS-RCAS NetHandle: NET-55-0-0-0-1 Parent: () NetType: Direct Allocation OriginAS: Organization: United States Department of Defense (DoD) (USDDD) RegDate: 1996-10-26 Updated: 2025-08-20 Ref: https://rdap.arin.net/registry/ip/55.0.0.0 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 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 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 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 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 NetRange: 55.0.0.0 - 55.255.255.255 CIDR: 55.0.0.0/8 NetName: CONUS-RCAS NetHandle: NET-55-0-0-0-2 Parent: CONUS-RCAS (NET-55-0-0-0-1) NetType: Reallocated OriginAS: Organization: Headquarters, USAISC (HEADQU-3) RegDate: 2025-08-20 Updated: 2025-08-20 Ref: https://rdap.arin.net/registry/ip/55.0.0.0 OrgName: Headquarters, USAISC OrgId: HEADQU-3 Address: NETC-ANC CONUS TNOSC City: Fort Huachuca StateProv: AZ PostalCode: 85613 Country: US RegDate: 1990-03-26 Updated: 2025-03-13 Ref: https://rdap.arin.net/registry/entity/HEADQU-3 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 OrgAbuseHandle: REGIS10-ARIN OrgAbuseName: Registration OrgAbusePhone: +1-844-347-2457 OrgAbuseEmail: disa.columbus.ns.mbx.arin-registrations@mail.mil OrgAbuseRef: https://rdap.arin.net/registry/entity/REGIS10-ARIN NetRange: 55.23.0.0 - 55.23.255.255 CIDR: 55.23.0.0/16 NetName: ARNG-LA-NET NetHandle: NET-55-23-0-0-1 Parent: CONUS-RCAS (NET-55-0-0-0-2) NetType: Reassigned OriginAS: Customer: NATIONAL GUARD BUREAU (C11553543) RegDate: 2026-03-25 Updated: 2026-03-25 Ref: https://rdap.arin.net/registry/ip/55.23.0.0 CustName: NATIONAL GUARD BUREAU Address: 111 SOUTH GEORGE MASON DRIVE City: ARLINGTON StateProv: VA PostalCode: 22204 Country: US RegDate: 2026-03-25 Updated: 2026-03-25 Ref: https://rdap.arin.net/registry/entity/C11553543 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 OrgAbuseHandle: REGIS10-ARIN OrgAbuseName: Registration OrgAbusePhone: +1-844-347-2457 OrgAbuseEmail: disa.columbus.ns.mbx.arin-registrations@mail.mil OrgAbuseRef: https://rdap.arin.net/registry/entity/REGIS10-ARIN