Data as of Nov 6, 2026
164.236.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Nesting
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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 |
|---|---|---|---|---|
| 164.236.2.0/24 since Aug 2024 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.5.0/24 since Mar 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.7.0/24 since Apr 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.10.0/24 since Aug 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.12.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.13.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.14.0/24 since Feb 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.16.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.19.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.20.0/22 since Sep 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.38.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.44.0/24 since Jun 2023 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.49.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.50.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.51.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.52.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.53.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.54.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.55.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.56.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.57.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.58.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.59.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.60.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.61.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.62.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.63.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.64.0/22 since May 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.68.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.69.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.70.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.71.0/24 since Jan 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.72.0/24 since Jan 2020 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.73.0/24 since Mar 2019 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.74.0/24 since Mar 2019 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.75.0/24 since Mar 2019 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.76.0/24 since Jun 2025 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.78.0/24 since Jan 2023 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.84.0/22 since Feb 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.89.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.90.0/24 since Feb 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.91.0/24 since Feb 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.95.0/24 since Feb 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.97.0/24 since Jul 2012 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.111.0/24 since Oct 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.112.0/24 since Oct 2022 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.123.0/24 since Apr 2010 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.124.0/24 since Mar 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.125.0/24 since Feb 2023 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.132.0/24 since Nov 2024 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.133.0/24 since Feb 2018 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.136.0/21 since Sep 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.144.0/24 since Sep 2024 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.161.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.164.0/24 since Mar 2025 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.165.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.166.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.167.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.168.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.170.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.173.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.175.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.176.0/24 since Aug 2016 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.186.0/23 since Sep 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.196.0/22 since Feb 2018 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.200.0/21 since Sep 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.208.0/21 since Sep 2026 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.220.0/22 since Sep 2021 | AS27047 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.224.0/22 since Mar 2025 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.229.0/24 since Nov 2024 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.230.0/24 since Nov 2024 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.231.0/24 since Nov 2024 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.238.0/24 since Sep 2026 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 164.236.253.0/24 since Feb 2025 | AS27069 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 164. | 1,900,544 | DNIC-SUPERBLK1 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Apr 29, 2004 | disa. |
| └ 164. | 1,900,544 | DNIC-SUPERBLK1 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 26, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 164.
227. 0. 0 - 164. 255. 255. 255 - Registration type
- Direct Allocation
- Record created
- Apr 29, 2004
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Aug 26, 2025
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 this prefix
Summary
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
- Range
- 164.
227. 0. 0 - 164. 255. 255. 255 - Netname
- DNIC-SUPERBLK1
- Registrant
- DoD Network Information Center
- Organization
- DoD Network Information Center (DNIC)
- Org address
- 3990 E. Broad Street, Columbus, OH, 43218
- Org country
- US
- Type
- Reallocated
- Handle
- NET-164-227-0-0-3
- Parent
- NET-164-227-0-0-2
- Created
- Aug 26, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 2004
- Status
- assigned
Report abuse
Abuse contact
- disa.
columbus. ns. mbx. hostmaster-dod-nic@ mail. mil - Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN