IPv4 prefix

223.252.64.0/21

IP Prefix (CIDR)

223.252.64.0/21

Subnet Mask

255.255.248.0

Address Count

2,048

IP Range

223.252.64.0 - 223.252.71.255

Subnet calculator

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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

223.252.64.0/21 (223.252.64.0 - 223.252.71.255)

Delegated Prefix

223.252.64.0/19 (223.252.64.0 - 223.252.95.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
223.252.64.0/19	Covering	AS9354	Community Network Center Inc.	Japan (JP)	223.252.64.0	223.252.95.255