Data as of Nov 3, 2026
155.152.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 155.152.0.0/17 since Jun 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.128.0/20 since Dec 2020 | AS1493 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.144.0/22 since Sep 2024 | AS1493 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.148.0/22 since Jul 2025 | AS1493 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.164.0/22 since Apr 2010 | AS1590 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.176.0/20 since Dec 2020 | AS1493 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.212.0/22 since Oct 16, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.216.0/24 since Oct 16, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.217.0/24 since Jul 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.218.0/24 since Jul 2025 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.221.0/24 since Feb 2019 | AS1590 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.223.0/24 since Nov 2016 | AS1590 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.253.0/24 since Jun 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.152.254.0/24 since Jun 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 155.152.0.0/16 | 65,536 | CTNOSC-NET5 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 23, 1991 | [email protected] |
| └ 155.152.0.0/16 | 65,536 | CTNOSC-NET5 | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 22, 2025 | [email protected] |
Network & registry
Announced by
Covering announcement 155.152.0.0/14
- Prefix
- 155.152.0.0/14
- Announced by
- AS721 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- RIR
- ARIN
Registry
Holder
- Organization
- Not stated by the registry
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 155.152.0.0/14
155.152.0.0/14
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
Whois
Registration for this announcement
155.152.0.0/14 spans several registrations: 8 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 23, 1991
- Status
- assigned