IPv4 prefix

137.31.20.0/22

IP Prefix (CIDR)

137.31.20.0/22

Subnet Mask

255.255.252.0

Address Count

1,024

IP Range

137.31.20.0 - 137.31.23.255

Subnet calculator

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Registered Owner

Handle

ZSCALER-RIPE-MNT

Country

Switzerland (CH)

Registry

RIPENCC

Registered Prefixes

137.31.20.0/23 (137.31.20.0 - 137.31.21.255)
137.31.22.0/23 (137.31.22.0 - 137.31.23.255)

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
137.31.20.0/22	Exact	AS62044	Zscaler Switzerland GmbH	Switzerland (CH)	137.31.20.0	137.31.23.255