Data as of Nov 12, 2026
153.29.0.0/16
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 |
|---|---|---|---|---|
| 153.29.0.0/17 since Sep 2016 | AS721 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.32.0/20 since May 2005 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.52.0/24 since Jun 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.64.0/20 since Mar 2019 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.112.0/20 since Feb 2021 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.128.0/17 since Sep 2016 | AS721 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.128.0/20 since Jul 2026 | AS6035 | Business | United States Department of Defense (DoD) via Air Force Systems Networking | |
| 153.29.252.0/24 since Jul 2020 | 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 |
|---|---|---|---|---|---|---|
| 153.29.0.0/16 | 65,536 | CENTAF09 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Sep 23, 1991 | disa. |
| └ 153.29.0.0/16 | 65,536 | CENTAF09 | 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.
29. 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
- 3
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 153.
29. 0. 0/ 16 - Netname
- CENTAF09
- 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-153-29-0-0-2
- Parent
- NET-153-29-0-0-1
- 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