Data as of Nov 3, 2026
205.90.100.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.90.96.0/20 since Jan 2024 | AS647 | Business | ||
| 205.64.0.0/11 | AS721 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) |
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 |
|---|---|---|---|---|---|---|
| 205.56.0.0 - 205.117.255.255 | 4,063,232 | NETBLK-NIC-BLK1 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 18, 1998 | [email protected] |
| └ 205.56.0.0 - 205.117.255.255 | 4,063,232 | NETBLK-NIC-BLK1 | Navy Network Information Center (NNIC) (NNICN-1) · US | Reallocated | Aug 15, 2025 | — |
Network & registry
Origin network
AS647
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Apr 19, 1990
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2024
- Current origin since
- Apr 2024 · 2.6 yr
- Origin networks
- 2
- Last change of origin
- May 2025
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- NETBLK-NIC-BLK1
- Registrant
- Navy Network Information Center (NNIC) (NNICN-1)
- Organization
- Not stated by the registry
- Created
- Aug 15, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 1998
- Status
- assigned