AS400685#17945 NAPER-AS-01 - City of Naperville256
AS400688#17946 DNET-464 - Daniel Marks, Sole Proprietorship256
AS400707#17947 MMH-01 - Melissa Memorial Hospital256
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