AS17591#623 KRFNET-AS-KR-KR - National Research Foundation of Korea512
AS17601#624 KCGF-AS-KR-KR - KOREA CREDIT GUARANTEE FUND512
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