IPv4 prefix

137.31.18.0/23

IP Prefix (CIDR): 137.31.18.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 137.31.18.0 - 137.31.19.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Zscaler Switzerland GmbH
Handle: ORG-ZSG1-RIPE
Country: Switzerland (CH)
Address: 120 Holger Way Fl 7 San Jose 95134 UNITED STATES
Registry: RIPENCC
Registered Prefix: 137.31.0.0/16 (137.31.0.0 - 137.31.255.255)

Registration 2 of 2

Handle: ZSCALER-RIPE-MNT
Country: India (IN)
Registry: RIPENCC
Registered Prefix: 137.31.18.0/24 (137.31.18.0 - 137.31.18.255)
Delegated Prefix: 137.31.0.0/16 (137.31.0.0 - 137.31.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
137.31.18.0/23	Exact	AS53813	ZSCALER INC.	United States of America (US)	137.31.18.0	137.31.19.255