IPv4 prefix

173.0.100.0/23

IP Prefix (CIDR): 173.0.100.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 173.0.100.0 - 173.0.101.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Internet Utilities NA LLC
Handle: DCL-577
Address: 2711 Centerville Road Wilmington DE 19808 United States
Registry: ARIN
Registered Prefix: 173.0.96.0/20 (173.0.96.0 - 173.0.111.255)

Registration 2 of 2

Owner: Private Customer
Handle: C11082671
Address: Private Residence Milwaukee WI 53215 United States
Registry: ARIN
Registered Prefix: 173.0.100.0/24 (173.0.100.0 - 173.0.100.255)
Delegated Prefix: 173.0.96.0/20 (173.0.96.0 - 173.0.111.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
173.0.100.0/23	Exact	AS54004	Cablevision Lightpath LLC	United States of America (US)	173.0.100.0	173.0.101.255