AS4221 United States Department of Defense (DoD) 🇺🇸 US
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
0
-
IPv6 prefixes
2
2 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS4221
- Name
- United States Department of Defense (DoD)
- Organisation
- United States Department of Defense (DoD)
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1995-01-09
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2001:480:52::/48 v6 | no ROA | 37 | 69396684221 | 2026-09-18 |
| 2001:480:95::/48 v6 | no ROA | 37 | 69396684221 | 2026-09-18 |