IPv4 prefix

203.166.64.0/21

IP Prefix (CIDR): 203.166.64.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 203.166.64.0 - 203.166.71.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Verizon Australia Pty Limited
Handle: ORG-VAPL3-AP
Country: Australia (AU)
Address: Level 3 203 Pacific Highway
Registry: APNIC
Registered Prefix: 203.166.0.0/17 (203.166.0.0 - 203.166.127.255)
Delegated Prefix: 203.166.64.0/19 (203.166.64.0 - 203.166.95.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
203.166.64.0/21	Exact	AS12234	Verizon Business	United States of America (US)	203.166.64.0	203.166.71.255