Data as of Nov 3, 2026
155.25.0.0/16
No anonymizer space · no proxy exits in 30 daysHeadquarters, USAISC · reallocated from United States Department of Defense (DoD)
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Oct 21, 2026
from AS367 United States Department of Defense (DoD)
Announcements
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 |
|---|---|---|---|---|
| 155.25.1.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.2.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.3.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.11.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.12.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.13.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.25.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.28.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.37.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.52.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.53.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.54.0/23 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.77.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.80.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.82.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.88.0/23 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.100.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.112.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.113.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.129.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.155.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.156.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.158.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.184.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.185.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.186.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.187.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.188.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.190.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.193.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.195.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.198.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.202.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.208.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.209.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.221.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.222.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.223.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.224.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.226.0/23 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.232.0/22 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.236.0/24 since Oct 10, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 155.25.237.0/24 since Oct 10, 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 |
|---|---|---|---|---|---|---|
| 155.25.0.0/16 | 65,536 | NET-ITALY-2 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Oct 28, 1991 | [email protected] |
| └ 155.25.0.0/16 | 65,536 | NET-ITALY-2 | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 23, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 155.25.0.0/16
- Registration type
- Direct Allocation
- Record created
- Oct 28, 1991
- Legacy
- yes
- Reallocated to
- Headquarters, USAISC (HEADQU-3)
- Reallocated
- Aug 23, 2025
Origin network
AS1540
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
- Rotating
- First seen
- Sep 2021
- Current origin since
- Oct 21, 2026 · under a month
- Origin networks
- 3
- Last change of origin
- Oct 21, 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 155.25.0.0/16
- Netname
- NET-ITALY-2
- 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-155-25-0-0-2
- Parent
- NET-155-25-0-0-1
- Created
- Aug 23, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 28, 1991
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN