IPv4 prefix

18.172.180.0/22

IP Prefix (CIDR)

18.172.180.0/22

Subnet Mask

255.255.252.0

Address Count

1,024

IP Range

18.172.180.0 - 18.172.183.255

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

18.172.0.0/15 (18.172.0.0 - 18.173.255.255)

Delegated Prefix

18.128.0.0/9 (18.128.0.0 - 18.255.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
18.172.180.0/22	Exact	AS16509	Amazon.com Inc.	United States of America (US)	18.172.180.0	18.172.183.255