AS9521 Korea Automotive Technology Institute

KATECH-AS-KR-KR - Korea Automotive Technology Institute · registered in South Korea

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in South Korea#438largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#28,366of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS9521 in ASN lookup Look up an IP in this network (203.250.184.1) All networks in South Korea

IPv4 prefixes

All 2 prefixes, in address order.

203.250.184.0/22
210.219.46.0/24

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS131882#435 CNUH-AS-KR-KR - Chungnam National University Hospital1,536

AS23596#436 EDNSKR-KR-KR - Korea Internet Security Agency1,280

AS9492#437 MAEKYUNG-AS-KR - Maeil Business Newspaper1,280

AS9692#439 HWS-AS-KR - Hanwha Investment Securities Co., Ltd.1,280

AS9695#440 KOEXP-AS-KR-KR - KISTI1,280

AS9707#441 WORKNET-AS-KR - Korea Employment Information Management Agency1,280

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