{"asn":21508,"name":"COMCAST-21508","description":"","country":"US","rir":"ARIN","prefix_v4":18,"prefix_v6":64,"updated_at":"2026-05-24T01:05:10.272307Z","upstreams":[{"asn":7922,"name":"COMCAST-7922","country":"US"}],"downstreams":[{"asn":395772,"name":"AHC-AS","country":"US"},{"asn":400114,"name":"APOG-RBC","country":"US"},{"asn":396083,"name":"ARVUS-160-84","country":"US"},{"asn":399938,"name":"BHE-TRANSIT","country":"US"},{"asn":11739,"name":"CHIRISA-TECHNOLOGY-PARKS-01","country":"US"},{"asn":13335,"name":"CLOUDFLARENET","country":"US"},{"asn":54883,"name":"CORVA","country":"US"},{"asn":15297,"name":"EPLUS-ASN","country":"US"},{"asn":2134,"name":"GSVNET-AS","country":"ES"},{"asn":32540,"name":"HP-HOOD","country":"US"},{"asn":40641,"name":"MGWTEL","country":"US"},{"asn":36364,"name":"MHSNET","country":"US"},{"asn":15173,"name":"NEWMA-11","country":"US"},{"asn":399099,"name":"PCPS-ASN","country":"US"},{"asn":54219,"name":"SCHAWK-INC","country":"US"},{"asn":19923,"name":"SHENANDOAH-UNIV","country":"US"},{"asn":36244,"name":"SVEC","country":"US"},{"asn":394276,"name":"TAF","country":"US"},{"asn":14583,"name":"VITA-VSP-1","country":"US"},{"asn":397039,"name":"WORLDSTRIDES","country":""},{"asn":36040,"name":"YOUTUBE","country":"US"}],"peers":null,"ixp_memberships":null}