IPv4 prefix

47.20.0.0/22

IP Prefix (CIDR): 47.20.0.0/22
Subnet Mask: 255.255.252.0
Address Count: 1,024
IP Range: 47.20.0.0 - 47.20.3.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Optimum Online (Cablevision Systems)
Handle: C06845397
Address: 111 New South Road Hicksville NY 11801 United States
Registry: ARIN
Registered Prefix: 47.20.0.0/22 (47.20.0.0 - 47.20.3.255)
Delegated Prefix: 47.20.0.0/14 (47.20.0.0 - 47.23.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
47.16.0.0/13	Covering	AS6128	Cablevision Systems Corp.	United States of America (US)	47.16.0.0	47.23.255.255