Data as of Nov 3, 2026
131.78.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 131.78.0.0/24 since Oct 2022 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.3.0/24 since Dec 2018 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.83.0/24 since Nov 2023 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.132.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.158.0/24 since Sep 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.159.0/24 since Aug 2016 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.167.0/24 since Feb 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.174.0/23 since Nov 2017 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.184.0/22 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.184.0/23 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.186.0/24 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.187.0/24 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.200.0/23 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.202.0/23 since Jun 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.204.0/24 since Dec 2018 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.212.0/23 since Jan 2019 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.214.0/23 since Jun 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.240.0/24 since Aug 2021 | AS27046 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 131.78.243.0/24 since Oct 2020 | AS27046 | 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 |
|---|---|---|---|---|---|---|
| 131.78.0.0/16 | 65,536 | DSDC | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 24, 1989 | [email protected] |
| └ 131.78.0.0/16 | 65,536 | DSDC | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | [email protected] |
Network & registry
Announced by
Covering announcement 131.76.0.0/14
- Prefix
- 131.76.0.0/14
- 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 131.76.0.0/14
131.76.0.0/14
Routing history
- Pattern
- Stable
- First seen
- Jun 2007
- 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
131.76.0.0/14 spans several registrations: 8 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 25, 1988
- Status
- assigned