{"asn":14652,"name":"COSTARGROUPASN","description":"","country":"US","rir":"ARIN","prefix_v4":10,"prefix_v6":0,"updated_at":"2026-05-23T16:45:31.278393Z","upstreams":[{"asn":174,"name":"COGENT-174","country":"US"},{"asn":14652,"name":"COSTARGROUPASN","country":"US"},{"asn":3356,"name":"LEVEL3","country":""},{"asn":3549,"name":"LVLT-3549","country":"US"},{"asn":701,"name":"UUNET","country":"US"}],"downstreams":[{"asn":14652,"name":"COSTARGROUPASN","country":"US"}],"peers":null,"ixp_memberships":null}