Data as of Nov 3, 2026
153.25.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 153.24.0.0/14 since Dec 2010 | AS721 | Business |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 153.25.48.0/20 since Sep 2005 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.64.0/20 since Aug 2007 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.80.0/20 since May 2005 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.96.0/20 since Aug 2007 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.144.0/24 since Feb 2022 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.145.0/24 since May 2022 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.146.0/24 since Apr 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.147.0/24 since Apr 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.149.0/24 since Jul 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.150.0/24 since Apr 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.151.0/24 since Apr 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.153.0/24 since Jan 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.154.0/24 since Jul 2026 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.161.0/24 since Apr 2025 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.176.0/20 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.192.0/20 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.25.240.0/20 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 153.25.0.0/16 | 65,536 | NET-CENTAF05 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Sep 23, 1991 | [email protected] |
| └ 153.25.0.0/16 | 65,536 | NET-CENTAF05 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 19, 2025 | [email protected] |
Network & registry
Announced by
Covering announcement 153.24.0.0/15
- Prefix
- 153.24.0.0/15
- Announced by
- AS721 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- RIR
- ARIN
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS721
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
153.24.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Nov 2008
- Current origin since
- Sep 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Jun 2010
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
153.24.0.0/15 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 23, 1991
- Status
- assigned