IPv4 prefix

121.187.64.0/20

IP Prefix (CIDR)

121.187.64.0/20

Subnet Mask

255.255.240.0

Address Count

4,096

IP Range

121.187.64.0 - 121.187.79.255

Subnet calculator

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Registered Owner

Owner

IP Manager

Handle

IM9-KR

Country

Korea (the Republic of) (KR)

Address

90 Buljeong-ro, Bundang-gu, Seongnam-si, Gyeonggi-do KT Head Office

Registry

KRNIC

Registered Prefix

121.160.0.0/11 (121.160.0.0 - 121.191.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
121.187.64.0/20	Exact	AS17862	Kangwon National University	Korea (the Republic of) (KR)	121.187.64.0	121.187.79.255