IPv4 prefix

210.247.4.0/22

IP Prefix (CIDR)

210.247.4.0/22

Subnet Mask

255.255.252.0

Address Count

1,024

IP Range

210.247.4.0 - 210.247.7.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

Japan Network Information Center

Handle

JNIC1-AP

Country

Japan (JP)

Address

Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda Chiyoda-ku, Tokyo 101-0047, Japan

Registry

JPNIC

Registered Prefix

210.247.4.0/22 (210.247.4.0 - 210.247.7.255)

Delegated Prefix

210.247.64.0/18 (210.247.64.0 - 210.247.127.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
210.247.4.0/22	Exact	AS7671	NTT SmartConnect Corporation	Japan (JP)	210.247.4.0	210.247.7.255