AS38682#655 NIERNET-AS-KR-KR - National Institute of Environmental Research512
AS38693#656 TSNET-AS-KR-KR - Korea Transportation Safety Authority512
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources