HomeASN LookupAS121

AS121

🇺🇸

DNIC-AS-00121 - United States Department of Defense (DoD)45fe880b68a8f2850ebdcfdc57b4556c

ARINassigned
Announced Prefixes (BGP)
6total
6 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)9,728
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
8/13/1987

Announced Prefixes

(BGP)6
|
Prefix
RPKI
IRR
Last Seen
214.54.192.0/20
No ROA
RADB
5/20/2026
214.54.208.0/20
No ROA
RADB
5/20/2026
214.54.224.0/23
No ROA
RADB
5/20/2026
214.54.226.0/23
No ROA
RADB
5/20/2026
214.54.230.0/24
No ROA
RADB
5/20/2026
214.54.231.0/24
No ROA—5/20/2026
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/121

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/121" | jq