AS201666 YSSOFT Yoonsu Son trading as YSSOFT

YSSOFT Yoonsu Son trading as YSSOFT · registered in South Korea

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in South Korea#851largest network in KR by IPv4 space, of 853 · <0.01% of KR

Rank worldwide#73,478of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS201666 in ASN lookup Look up an IP in this network (142.248.230.1) All networks in South Korea

IPv4 prefixes

All 1 prefix, in address order.

142.248.230.0/24

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS152293#848 HDSNET-AS-KR-KR - HAESUNGDS256

AS152294#849 KISMSG-AS-KR-KR - KIS Information Communication,Inc256

AS153993#850 SKH-AS-AP - SKH Systems256

AS202002#852 JIHUN-AS Jihun Lee256

AS213800#853 asdf JAIYEON SIM256

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