IPv4 prefix

204.231.0.0/17

IP Prefix (CIDR): 204.231.0.0/17
Subnet Mask: 255.255.128.0
Address Count: 32,768
IP Range: 204.231.0.0 - 204.231.127.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: INFONET Services Corporation
Handle: INFO
Address: 2160 East Grand Avenue El Segundo CA 90245-1022 United States
Registry: ARIN
Registered Prefix: 204.231.0.0/17 (204.231.0.0 - 204.231.127.255)

Registration 2 of 2

Owner: ELEPHANT TALK
Handle: C01082298
Address: 38 CHAUNCY ST., STE 812, 8TH FLOOR BOSTON MA 02110 United States
Registry: ARIN
Registered Prefix: 204.231.0.0/23 (204.231.0.0 - 204.231.1.255)
Delegated Prefix: 204.231.0.0/17 (204.231.0.0 - 204.231.127.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
204.231.0.0/17	Exact	AS3300	British Telecommunications Limited	United Kingdom of Great Britain and Northern Ireland (GB)	204.231.0.0	204.231.127.255