{"asn":23237,"name":"MCMASTER","description":"","country":"CA","rir":"ARIN","prefix_v4":4,"prefix_v6":1,"updated_at":"2026-05-24T01:05:10.272307Z","upstreams":[{"asn":7992,"name":"COGECOWAVE","country":"CA"},{"asn":26677,"name":"ORION-ASN","country":"CA"}],"downstreams":null,"peers":null,"ixp_memberships":null}