IPv4 prefix

207.57.64.0/21

IP Prefix (CIDR): 207.57.64.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 207.57.64.0 - 207.57.71.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: NTT America, Inc.
Handle: NTTAM-1
Address: 15809 Bear Creek Pkwy Suite 320 Redmond WA 98052 United States
Registry: ARIN
Registered Prefix: 207.56.0.0/15 (207.56.0.0 - 207.57.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
207.57.64.0/21	Exact	AS1054	Zont LLC	United States of America (US)	207.57.64.0	207.57.71.255