Data as of Nov 3, 2026
143.45.0.0/16
No anonymizer space · no proxy exits in 30 daysHeadquarters, USAISC · reallocated from United States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 143.45.8.0/23 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.11.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.12.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.20.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.21.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.22.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.34.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.36.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.37.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.38.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.47.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.48.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.100.0/23 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.102.0/23 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.111.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.120.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.125.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.130.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.132.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.134.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.135.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.136.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.137.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.138.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.139.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.140.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.147.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.150.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.155.0/24 since Mar 2026 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.160.0/22 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.164.0/23 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.179.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.192.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.45.208.0/24 since Oct 2025 | AS1649 | Business | United States Department of Defense (DoD) via Headquarters, USAISC |
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 |
|---|---|---|---|---|---|---|
| 143.45.0.0/16 | 65,536 | BUCKNER-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 26, 1990 | [email protected] |
| └ 143.45.0.0/16 | 65,536 | BUCKNER-NET | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 21, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 143.45.0.0/16
- Registration type
- Direct Allocation
- Record created
- Mar 26, 1990
- Legacy
- yes
- Reallocated to
- Headquarters, USAISC (HEADQU-3)
- Reallocated
- Aug 21, 2025
Origin network
AS1649
US
- Name
- Headquarters, USAISC
- Type
- Business
- Registered
- May 12, 2004
- 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
- May 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Jul 2017
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 143.45.0.0/16
- Netname
- BUCKNER-NET
- Registrant
- Headquarters, USAISC
- Organization
- Headquarters, USAISC (HEADQU-3)
- Org address
- NETC-ANC CONUS TNOSC, Fort Huachuca, AZ, 85613
- Org country
- US
- Type
- Reallocated
- Handle
- NET-143-45-0-0-2
- Parent
- NET-143-45-0-0-1
- Created
- Aug 21, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 26, 1990
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN