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131.87.0.0/16

Currently announced by AS721 United States Department of Defense (DoD), in the routed prefix 131.87.0.0/16.

Current ASN
AS721
United States Department of Defense (DoD)
Routed prefix
131.87.0.0/16
Most specific route covering this prefix
ASNs over time
1
2 announcement records
RIR allocation
ARIN
United States · 131.87.0.0/16

Routing data · Nov 2, 2026, 08:23 UTC

ASN historyEvery routed prefix covering 131.87.0.0/16

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
131.87.0.0/16AS721United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.86.0.0/15AS721United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing

More specific routes27 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
131.87.6.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.7.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.10.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.12.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.13.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.40.0/22AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.53.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.60.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.68.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.93.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.98.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.99.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.100.0/22AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.104.0/22AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.108.0/22AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.112.0/23AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.204.0/23AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.235.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.237.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.243.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.245.0/24AS27046United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.249.0/24AS5852United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.250.0/24AS5852United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.251.0/24AS5852United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.252.0/24AS5852United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.254.0/24AS5852United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing
131.87.255.0/24AS5852United States Department of Defense (DoD)United StatesBefore monitoring2026-11-02 08:23Announcing

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.