IPv4 prefix

18.66.166.0/23

IP Prefix (CIDR): 18.66.166.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 18.66.166.0 - 18.66.167.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Amazon.com, Inc.
Handle: AMAZON-4
Address: 1918 8th Ave SEATTLE WA 98101-1244 United States
Registry: ARIN
Registered Prefix: 18.64.0.0/14 (18.64.0.0 - 18.67.255.255)
Delegated Prefix: 18.64.0.0/10 (18.64.0.0 - 18.127.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
18.66.166.0/23	Exact	AS16509	Amazon.com Inc.	United States of America (US)	18.66.166.0	18.66.167.255