{"asn":37917,"name":"UTINS","description":"University of Tsukuba","country":"JP","rir":"APNIC","prefix_v4":3,"prefix_v6":0,"updated_at":"2026-05-24T01:05:10.272307Z","upstreams":[{"asn":63770,"name":"ICSCOE-AS","country":"JP"},{"asn":2907,"name":"JPNIC-2Byte-ASBLOCK-AP","country":"JP"}],"downstreams":null,"peers":null,"ixp_memberships":null}