IPv4 prefix

121.100.112.0/21

IP Prefix (CIDR): 121.100.112.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 121.100.112.0 - 121.100.119.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: IP Manager
Handle: NA100-KR
Country: Korea (the Republic of) (KR)
Address: Seoul Gangnam-gu Teheran-ro 103-gil 9 Jeil BD 4,6,7F
Registry: KRNIC
Registered Prefix: 121.100.64.0/18 (121.100.64.0 - 121.100.127.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
121.100.112.0/21	Exact	AS18334	Gyounggidongbu cable tv co. Ltd.	Korea (the Republic of) (KR)	121.100.112.0	121.100.119.255