United Statesarin
2007-01-12
2026-08-12
3
1
65,536
16,777,216
| CIDR | Description | IP Num |
|---|---|---|
|
55.46.0.0/17
|
Headquarters, USAISC | 32768 |
|
55.46.0.0/16
|
Headquarters, USAISC | 65536 |
|
55.46.128.0/17
|
Headquarters, USAISC | 32768 |
| CIDR | Description | IP NUMs(prefix /64) |
|---|---|---|
|
2608:18a:5200::/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 |
|
4,558,336 | 54,198,272 | IPv4  |
IPv6 |
ASNumber: 355 ASName: DNIC-ASBLK-00306-00371 ASHandle: AS306 RegDate: 1989-06-30 Updated: 2025-09-12 Ref: https://rdap.arin.net/registry/autnum/355 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 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 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