IPv4 prefix

210.231.0.0/18

IP Prefix (CIDR)

210.231.0.0/18

Subnet Mask

255.255.192.0

Address Count

16,384

IP Range

210.231.0.0 - 210.231.63.255

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

210.231.0.0/18 (210.231.0.0 - 210.231.63.255)

Delegated Prefix

210.228.0.0/14 (210.228.0.0 - 210.231.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
210.231.0.0/17	Covering	AS4725	SoftBank Corp.	Japan (JP)	210.231.0.0	210.231.127.255