Data as of Nov 6, 2026
138.152.0.0/15
No anonymizer spaceUnited States Department of Defense (DoD)
Announcements
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 |
|---|---|---|---|---|
| 138.152.0.0/24 since Apr 2023 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.4.0/23 since Nov 2023 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.6.0/24 since Jul 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.11.0/24 since Jul 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.13.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.32.0/24 since Nov 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.34.0/24 since Jul 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.36.0/24 since May 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.38.0/24 since Sep 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.39.0/24 since Apr 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.49.0/24 since Aug 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.50.0/23 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.52.0/23 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.54.0/23 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.56.0/23 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.58.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.59.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.60.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.61.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.62.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.63.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.64.0/20 since Apr 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.64.0/23 since Mar 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.66.0/23 since Apr 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.68.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.70.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.71.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.72.0/24 since Jul 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.73.0/24 since Jul 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.74.0/23 since Jul 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.76.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.77.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.78.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.80.0/20 since Mar 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.96.0/23 since Feb 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.98.0/23 since Apr 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.100.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.102.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.103.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.104.0/24 since Jul 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.105.0/24 since Jul 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.106.0/23 since Jul 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.108.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.109.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.110.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.112.0/20 since Feb 2024 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.152.160.0/23 since Dec 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.64.0/19 since Aug 2025 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.97.0/24 since Aug 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.100.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.101.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.102.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.103.0/24 since Sep 28, 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 138.153.121.0/24 since Apr 2026 | AS5852 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 138.152.0.0/15 | 131,072 | CLOUD-SVCS-138-152 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 7, 1990 | disa. |
| └ 138.152.0.0/15 | 131,072 | CLOUD-SVCS-138-152 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | disa. |
Network & registry
Announced by
Covering announcement 138.144.0.0/12
- Prefix
- 138.144.0.0/12
- 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
Who has announced 138.144.0.0/12
138.144.0.0/12
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
138.144.0.0/12 spans several registrations: 30 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 9, 1996
- Status
- assigned