HomeASN LookupAS102

AS102

🇺🇸

NSF-HQ-AS - U.S. National Science Foundationffb21d106bd0d39dba05028fe7836ae6

ARINassigned
Announced Prefixes (BGP)
4total
3 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)66,048
Announced (BGP)66,048
IPv6 Addresses ⓘ
Allocated (RIR)3×10^26
Announced (BGP)3×10^26
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
3/31/1987

Announced Prefixes

(BGP)4
|
Prefix
RPKI
IRR
Last Seen
128.150.0.0/16
No ROA—5/25/2026
192.12.209.0/24
No ROA—5/25/2026
198.181.231.0/24
No ROA—5/25/2026
2620:10f:6000::/40
No ROA—5/25/2026

Allocated Prefixes

(RIR)4
Prefix
Country
RIR
Status
128.150.0.0/16🇺🇸 USARINallocated
192.12.209.0/24🇺🇸 USARINallocated
198.181.231.0/24🇺🇸 USARINallocated
2620:10f:6000::/40🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/102

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

curl -s "https://api.ipctl.io/v1/asn/102" | jq