Data as of Nov 5, 2026
153.23.0.0/16
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.
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 153.23.0.0/20 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.17.0/24 since Aug 2023 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.32.0/23 since Mar 2024 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.34.0/23 since Jan 2018 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.40.0/23 since Jul 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.42.0/23 since Jun 2017 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.44.0/23 since May 2017 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.46.0/23 since May 2017 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.48.0/23 since Jun 2017 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.50.0/23 since Jul 2026 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.54.0/23 since May 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.58.0/23 since Mar 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.60.0/23 since Sep 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.64.0/19 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.96.0/20 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.112.0/21 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.120.0/22 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.128.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.130.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.132.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.134.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.136.0/23 since Oct 2016 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.138.0/23 since Oct 2016 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.140.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.144.0/23 since Jul 2026 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.148.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.150.0/23 since Oct 2016 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.152.0/23 since May 2015 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.154.0/23 since Mar 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.156.0/23 since Sep 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.176.0/20 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.236.0/22 since Jul 2012 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.23.252.0/22 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 the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 153.23.0.0/16 | 65,536 | CENTAF03 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Sep 23, 1991 | disa. |
| └ 153.23.0.0/16 | 65,536 | CENTAF03 | Air Force Systems Networking (7ESG) · US | Reallocated | Aug 19, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 153.
23. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 23, 1991
- Legacy
- yes
- Reallocated to
- Air Force Systems Networking (7ESG)
- Reallocated
- Aug 19, 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
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS15224 not the origin | RADB | SJ Towers | MAINT-AS15224 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 153.
23. 0. 0/ 16 - Netname
- CENTAF03
- Registrant
- Air Force Systems Networking
- Organization
- Air Force Systems Networking (7ESG)
- Org address
- 501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX, MAXWELL AFB, AL, 36114
- Org country
- US
- Type
- Reallocated
- Handle
- NET-153-23-0-0-2
- Parent
- NET-153-23-0-0-1
- Created
- Aug 19, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 23, 1991
- 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