AS33270#15278 PMCSAZ - Preferred Medical Claim Solutions256
AS33271#15279 NPD-ASN-HQ-01 - Naperville Park District256
AS33275#15280 KHS-ASN - Thomas Jefferson University Hospitals, Inc.256
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