Data as of Nov 5, 2026
143.68.192.0/18
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 |
|---|---|---|---|---|
| 143.68.192.0/21 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.193.0/24 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.194.0/24 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.195.0/24 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.196.0/23 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.199.0/24 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.200.0/21 since May 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.201.0/24 since Aug 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.202.0/24 since Aug 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.203.0/24 since Aug 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.204.0/23 since Aug 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.207.0/24 since Jun 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.208.0/21 since Jul 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.209.0/24 since Jul 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.210.0/24 since Jul 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.211.0/24 since Jul 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.212.0/23 since Aug 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.224.0/23 since May 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.236.0/23 since May 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 143.68.238.0/23 since Aug 2026 | AS1540 | 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 |
|---|---|---|---|---|---|---|
| 143.68.0.0/16 | 65,536 | CTNOSC-OCONUS | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 26, 1990 | disa. |
| └ 143.68.0.0/16 | 65,536 | CTNOSC-OCONUS | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 21, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 143.
68. 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
AS749
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 143.
68. 0. 0/ 16 - Netname
- CTNOSC-OCONUS
- 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-143-68-0-0-2
- Parent
- NET-143-68-0-0-1
- Created
- Aug 21, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 26, 1990
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN