AS396493#17131 FTAUS - FIRST TRUST PORTFOLIOS LP256
AS396494#17132 AS-CITY-OF-ROCKVILLE-MARYLAND - Mayor and Council of Rockville256
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