United States Department of Defense (DoD)
AS Number
326
- Registered on
- 30 Jun 1989 (36 years old)
- Registered to
- ARIN-USDDD (arin)
- Network status
- Active, Allocated under ARIN
- Network type
- Unknown
- Prefixes Originated
- 36 IPv4, 1 IPv6
Upstreams
- AS306 - United States Department of Defense (DoD)
Locations of Operation
| Prefix | Description | |
|---|---|---|
|
|
55.189.0.0/20 | |
|
|
55.189.16.0/20 | |
|
|
55.189.32.0/23 | |
|
|
55.189.34.0/23 | |
|
|
55.189.36.0/24 | |
|
|
55.189.40.0/21 | |
|
|
55.189.58.0/23 | |
|
|
55.189.64.0/20 | |
|
|
55.189.80.0/20 | |
|
|
55.189.96.0/24 | |
|
|
55.189.180.0/24 | |
|
|
55.190.2.0/24 | |
|
|
55.190.3.0/24 | |
|
|
55.190.8.0/24 | |
|
|
55.190.9.0/24 | |
|
|
55.190.80.0/24 | |
|
|
55.190.82.0/24 | |
|
|
55.190.84.0/24 | |
|
|
55.190.85.0/24 | |
|
|
55.190.88.0/24 | |
|
|
55.190.97.0/24 | |
|
|
55.190.200.0/24 | |
|
|
55.190.254.0/24 | |
|
|
55.224.1.0/24 | |
|
|
55.224.7.0/24 | |
|
|
55.224.8.0/24 | |
|
|
55.224.12.0/22 | |
|
|
55.224.16.0/20 | |
|
|
55.224.64.0/20 | |
|
|
55.224.80.0/24 | |
|
|
55.224.82.0/24 | |
|
|
55.224.86.0/24 | |
|
|
55.224.88.0/24 | |
|
|
55.224.96.0/24 | |
|
|
55.224.98.0/24 | |
|
|
55.224.103.0/24 | |
|
|
2608:16a:7900::/40 | United States Department of Defense (DoD) |
Network Policy
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Prefixes in selected policy
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS306 | United States Department of Defense (DoD) | ✔ | ✔ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS306 | United States Department of Defense (DoD) | ✔ | ✔ |
ASHandle: AS306 OrgID: USDDD ASName: DNIC-ASBLK-00306-00371 ASNumber: 306 - 371 RegDate: 1989-06-30 Updated: 2025-09-12 Source: ARIN 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: 2025-03-13 OrgAdminHandle: REGIS10-ARIN OrgTechHandle: MIL-HSTMST-ARIN OrgTechHandle: REGIS10-ARIN OrgAbuseHandle: MIL-HSTMST-ARIN OrgNOCHandle: MIL-HSTMST-ARIN Source: ARIN OrgAdminHandle: REGIS10-ARIN OrgAdminName: Registration # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: MIL-HSTMST-ARIN OrgTechName: Network DoD # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: REGIS10-ARIN OrgTechName: Registration # Email removed, Log into bgp.tools to see whois emails OrgAbuseHandle: MIL-HSTMST-ARIN OrgAbuseName: Network DoD # Email removed, Log into bgp.tools to see whois emails OrgNOCHandle: MIL-HSTMST-ARIN OrgNOCName: Network DoD # Email removed, Log into bgp.tools to see whois emailsLast Update: 2026-02-17T03:25:39Z UTC
Member of the following AS-SETs
| - | Member | ASN Count |
|---|