IPv4 prefix

137.83.166.0/23

IP Prefix (CIDR): 137.83.166.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 137.83.166.0 - 137.83.167.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: ZSCALER, INC.
Handle: ZSCAL
Address: 120 Holger Way San Jose CA 95134 United States
Registry: ARIN
Registered Prefix: 137.83.128.0/18 (137.83.128.0 - 137.83.191.255)

Registration 2 of 2

Owner: Zscaler, Inc.
Handle: C07777984
Address: 350 E. Cermak Rd. Chicago IL 60616 United States
Registry: ARIN
Registered Prefix: 137.83.166.0/24 (137.83.166.0 - 137.83.166.255)
Delegated Prefix: 137.83.128.0/18 (137.83.128.0 - 137.83.191.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
137.83.166.0/23	Exact	AS22616	ZSCALER INC.	United States of America (US)	137.83.166.0	137.83.167.255