Data as of Nov 10, 2026
164.236.2.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 164.236.0.0/16 since Dec 2010 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 164. | 1,900,544 | DNIC-SUPERBLK1 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Apr 29, 2004 | disa. |
| └ 164. | 1,900,544 | DNIC-SUPERBLK1 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 26, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 164.
227. 0. 0 - 164. 255. 255. 255 - Registration type
- Direct Allocation
- Record created
- Apr 29, 2004
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Aug 26, 2025
Origin network
AS27047
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Jan 16, 2003
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2024
- Current origin since
- Aug 2024 · 2.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 164.
227. 0. 0 - 164. 255. 255. 255 - Netname
- DNIC-SUPERBLK1
- Registrant
- DoD Network Information Center
- Organization
- DoD Network Information Center (DNIC)
- Org address
- 3990 E. Broad Street, Columbus, OH, 43218
- Org country
- US
- Type
- Reallocated
- Handle
- NET-164-227-0-0-3
- Parent
- NET-164-227-0-0-2
- Created
- Aug 26, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 2004
- Status
- assigned
Report abuse
Abuse contact
- disa.
columbus. ns. mbx. hostmaster-dod-nic@ mail. mil - Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN