Data as of Nov 5, 2026
143.212.0.0/16
No anonymizer space · no proxy exits in 30 daysHeadquarters, USAISC · reallocated from United States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 143.212.0.0/15 since Dec 2010 | AS721 | Business |
Nesting
More-specifics by size
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 |
|---|---|---|---|---|
| 143.212.11.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.12.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.17.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.18.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.22.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.23.0/24 since Jul 2026 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.33.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.34.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.35.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.36.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.37.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.38.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.52.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.54.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.104.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.106.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.108.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.111.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.112.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.118.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.245.0/24 since Jul 2024 | AS1602 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.212.249.0/24 since Jul 2024 | AS1602 | 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 |
|---|---|---|---|---|---|---|
| 143.212.0.0/16 | 65,536 | GREELY-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jun 30, 1990 | disa. |
| └ 143.212.0.0/16 | 65,536 | GREELY-NET | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 21, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 143.
212. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jun 30, 1990
- Legacy
- yes
- Reallocated to
- Headquarters, USAISC (HEADQU-3)
- Reallocated
- Aug 21, 2025
Origin network
AS1602
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jul 2011 · 15 yr
- Origin networks
- 4
- Last change of origin
- Jul 2017
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 143.
212. 0. 0/ 16 - Netname
- GREELY-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-143-212-0-0-2
- Parent
- NET-143-212-0-0-1
- Created
- Aug 21, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 30, 1990
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN