IPv4 prefix

163.131.112.0/20

IP Prefix (CIDR): 163.131.112.0/20
Subnet Mask: 255.255.240.0
Address Count: 4,096
IP Range: 163.131.112.0 - 163.131.127.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

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: 163.130.0.0/15 (163.130.0.0 - 163.131.255.255)
Delegated Prefix: 163.137.0.0/16 (163.137.0.0 - 163.137.255.255)

Registration 2 of 2

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: 163.131.112.0/22 (163.131.112.0 - 163.131.115.255)
Delegated Prefix: 163.131.0.0/16 (163.131.0.0 - 163.131.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
163.131.112.0/20	Exact	AS131916	Tokyo Bay Network Co. Ltd.	Japan (JP)	163.131.112.0	163.131.127.255