HomeASN LookupAS21984

AS21984

🇺🇸

FCPS - Fairfax County Public Schools0ef0d76d48f03588f1e72db67c5ee5db

ARINassigned
Announced Prefixes (BGP)
6total
6 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)65,536
Announced (BGP)131,328
IPv6 Addresses ⓘ
Allocated (RIR)1.2×10^24
Announced (BGP)0
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
7/20/2001

Announced Prefixes

(BGP)6
|
Prefix
RPKI
IRR
Last Seen
151.188.0.0/16
No ROA
RADB
5/25/2026
151.188.0.0/18
No ROA
RADB
5/25/2026
151.188.64.0/18
No ROA—5/25/2026
151.188.77.0/24
No ROA—5/25/2026
151.188.128.0/18
No ROA
RADB
5/25/2026
151.188.192.0/18
No ROA
RADB
5/25/2026

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
151.188.0.0/16🇺🇸 USARINallocated
2620:0:c20::/48🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21984

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

curl -s "https://api.ipctl.io/v1/asn/21984" | jq