{"asn":1152,"name":"SIVON-AS","description":"the Netherlands","country":"NL","rir":"","prefix_v4":2,"prefix_v6":2,"updated_at":"2026-06-09T06:15:17.080504Z","upstreams":[{"asn":1103,"name":"SURFNET-NL","country":"NL"}],"downstreams":null,"peers":null,"ixp_memberships":null}