Data as of Nov 4, 2026
155.220.0.0/16
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.
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 155.220.6.0/23 since Dec 2016 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.8.0/21 since Sep 2009 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.18.0/23 since Mar 2017 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.24.0/23 since Dec 2016 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.26.0/24 since Oct 2025 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.35.0/24 since Dec 2016 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.36.0/24 since Dec 2016 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.40.0/24 since Mar 2026 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.56.0/22 since Jan 2024 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.132.0/23 since Dec 2019 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.173.0/24 since Apr 2026 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.180.0/23 since Jan 2024 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 155.220.252.0/24 since Jun 2024 | AS5972 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 155.220.0.0/16 | 65,536 | DHA-8 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Feb 1, 1992 | disa. |
| └ 155.220.0.0/16 | 65,536 | DHA-8 | DoD Network Information Center (DNIC) · US | Reallocated | Sep 3, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 155.
220. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 1, 1992
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Sep 3, 2025
Origin network
AS5972
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Oct 24, 1995
- 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
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 155.
220. 0. 0/ 16 - Netname
- DHA-8
- Registrant
- DoD Network Information Center
- Organization
- DoD Network Information Center (DNIC)
- Org address
- 3990 E. Broad Street, Columbus, OH, 43218
- Org country
- US
- Type
- Reallocated
- Handle
- NET-155-220-0-0-2
- Parent
- NET-155-220-0-0-1
- Created
- Sep 3, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- disa.
columbus. ns. mbx. hostmaster-dod-nic@ mail. mil - Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN