HomeASN LookupAS138

AS138

🇺🇸

DNIC-AS-00138 - United States Department of Defense (DoD)45fe880b68a8f2850ebdcfdc57b4556c

ARINassigned
Announced Prefixes (BGP)
18total
18 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)196,608
Announced (BGP)236,288
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
11/11/1987

Announced Prefixes

(BGP)18
|
Prefix
RPKI
IRR
Last Seen
131.66.0.0/16
No ROA—5/18/2026
131.67.0.0/16
No ROA—5/18/2026
131.68.0.0/16
No ROA—5/18/2026
141.234.0.0/18
No ROA—5/18/2026
141.234.64.0/18
No ROA—5/18/2026
144.183.15.0/24
No ROA—5/18/2026
144.183.16.0/24
No ROA—5/18/2026
144.183.17.0/24
No ROA—5/18/2026
144.183.20.0/24
No ROA—5/18/2026
144.183.32.0/22
No ROA—5/18/2026
1–10 of 18
1 / 2

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
131.66.0.0/16🇺🇸 USARINallocated
131.67.0.0/16🇺🇸 USARINallocated
131.68.0.0/16🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/138

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

curl -s "https://api.ipctl.io/v1/asn/138" | jq