{"asn":53643,"name":"MCUSDN-INET","description":"","country":"US","rir":"ARIN","prefix_v4":1,"prefix_v6":0,"updated_at":"2026-10-03T01:05:27.153715+03:00","upstreams":[{"asn":33491,"name":"COMCAST-33491","country":"US"},{"asn":6325,"name":"ILLINOIS-CENTURY","country":"US"}],"downstreams":null,"peers":null,"ixp_memberships":null}