AS54530#12995 SPRINGFIELD-PUBLIC-SCHOOL-MA - Springfield Public Schools256
AS54591#12996 CEF-DIGITAL-25081 - CEF DIGITAL SYSTEMS256
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