AS19837
🇺🇸206-208-88-0 - BUILDERS FIRSTSOURCE, INC.0bdcba29873fe0e16392f5eef4f6967e
ARINassigned
Announced Prefixes (BGP)
0total
0 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
8/21/2025
No prefixes found for this ASN.
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/19837Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/19837" | jq