IPv4 prefix

58.1.0.0/18

IP Prefix (CIDR)

58.1.0.0/18

Subnet Mask

255.255.192.0

Address Count

16,384

IP Range

58.1.0.0 - 58.1.63.255

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

58.1.0.0/18 (58.1.0.0 - 58.1.63.255)

Delegated Prefix

58.1.0.0/17 (58.1.0.0 - 58.1.127.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
58.1.0.0/17	Covering	AS2510	FUJITSU LIMITED	Japan (JP)	58.1.0.0	58.1.127.255