AS33573#11420 BAQMD-SF - Bay Area Air Quality Management District512
AS33587#11421 BRECKINRIDGE-AS - Breckinridge Capital Advisors512
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