IPv4 prefix

137.83.168.0/21

IP Prefix (CIDR): 137.83.168.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 137.83.168.0 - 137.83.175.255
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: C07749643
Address: 1735 Lundy Avenue San Jose CA 95131 United States
Registry: ARIN
Registered Prefix: 137.83.168.0/24 (137.83.168.0 - 137.83.168.255)
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
137.83.168.0/21	Exact	AS22616	ZSCALER INC.	United States of America (US)	137.83.168.0	137.83.175.255