Data as of Nov 4, 2026
158.243.128.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 158.243.0.0/16 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.240.0.0/14 since Dec 2010 | AS721 | Business |
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 |
|---|---|---|---|---|---|---|
| 158.243.0.0/16 | 65,536 | USMC-MARFORRES | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Apr 8, 1992 | disa. |
| └ 158.243.0.0/16 | 65,536 | USMC-MARFORRES | Marine Corps Cyberspace Operations Group (UNOC) · US | Reallocated | Aug 13, 2025 | disa. |
Network & registry
Origin network
AS637
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Apr 19, 1990
- 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
- Sep 2025
- Current origin since
- Sep 2025 · 1.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- USMC-MARFORRES
- Registrant
- Marine Corps Cyberspace Operations Group (Unoc)
- Organization
- Not stated by the registry
- Created
- Aug 13, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 8, 1992
- Status
- assigned