Data as of Nov 4, 2026
55.2.220.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 55.2.0.0/16 since Jan 2017 | AS344 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 55.0.0.0/8 | AS721 | Business | United States Department of Defense (DoD) via Headquarters, USAISC |
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 |
|---|---|---|---|---|---|---|
| 55.0.0.0/8 | 16,777,216 | CONUS-RCAS | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 26, 1996 | [email protected] |
| └ 55.0.0.0/8 | 16,777,216 | CONUS-RCAS | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 20, 2025 | — |
Network & registry
Origin network
AS344
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Jun 30, 1989
- 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
- Jun 2023
- Current origin since
- Jun 2023 · 3.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- CONUS-RCAS
- Registrant
- Headquarters, USAISC (HEADQU-3)
- Organization
- Not stated by the registry
- Created
- Aug 20, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 26, 1996
- Status
- assigned