IPv4 prefix

133.187.0.0/16

IP Prefix (CIDR)

133.187.0.0/16

Subnet Mask

255.255.0.0

Address Count

65,536

IP Range

133.187.0.0 - 133.187.255.255

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Registered Owner

Handle

IRT-JPNIC-JP

Country

Japan (JP)

Address

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

Registry

APNIC

Registered Prefix

133.0.0.0/8 (133.0.0.0 - 133.255.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
133.187.0.0/16	Exact	AS2907	Research Organization of Information and Systems National Institute of Informatics	Japan (JP)	133.187.0.0	133.187.255.255