AS63248#11902 USRC-AS63248 - U.S. RENAL CARE, INC.512
AS63249#11903 RSFH - Roper Saint Francis Healthcare512
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources