The Index / AS16524 / 159.142.0.0/21 159.142.0.0/21 IPv4 prefix · announced by AS16524 MetTel unknown RPKI VALID announced 1 Recorded origin Routing Recorded origin AS16524 MetTel unknown Observed origin (RIS) AS16524 METTEL - MetTel Country Japan RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-18