IPv4 prefix

203.162.64.0/18

IP Prefix (CIDR): 203.162.64.0/18
Subnet Mask: 255.255.192.0
Address Count: 16,384
IP Range: 203.162.64.0 - 203.162.127.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 3

Owner: Pham Tien Huy
Handle: PTH13-AP
Country: Viet Nam (VN)
Address: VNPT-VN
Registry: APNIC
Registered Prefixes: 203.162.0.0/16 (203.162.0.0 - 203.162.255.255)
203.162.80.0/24 (203.162.80.0 - 203.162.80.255)
Delegated Prefix: 203.162.64.0/18 (203.162.64.0 - 203.162.127.255)

Registration 2 of 3

Owner: VDC IPADMIN GROUP
Handle: VIG1-AP
Country: Viet Nam (VN)
Address: Internet Building, Block II, Thang Long Inter Village
Registry: APNIC
Registered Prefixes: 203.162.64.0/23 (203.162.64.0 - 203.162.65.255)
203.162.66.0/24 (203.162.66.0 - 203.162.66.255)
203.162.96.0/19 (203.162.96.0 - 203.162.127.255)
Delegated Prefix: 203.162.64.0/18 (203.162.64.0 - 203.162.127.255)

Registration 3 of 3

Owner: Nguyen Doan Trong Hieu
Handle: ND85-AP
Country: Viet Nam (VN)
Address: VASC- No4 Lang Ha, Ha Noi
Registry: APNIC
Registered Prefix: 203.162.68.0/22 (203.162.68.0 - 203.162.71.255)
Delegated Prefix: 203.162.64.0/18 (203.162.64.0 - 203.162.127.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
203.162.0.0/16	Covering	AS45899	VNPT Corp	Viet Nam (VN)	203.162.0.0	203.162.255.255
203.162.68.0/23	More specific	AS7643	Vietnam Posts and Telecommunications (VNPT)	Viet Nam (VN)	203.162.68.0	203.162.69.255
203.162.76.0/22	More specific	AS7643	Vietnam Posts and Telecommunications (VNPT)	Viet Nam (VN)	203.162.76.0	203.162.79.255
203.162.80.0/23	More specific	AS7643	Vietnam Posts and Telecommunications (VNPT)	Viet Nam (VN)	203.162.80.0	203.162.81.255
203.162.96.0/24	More specific	AS7643	Vietnam Posts and Telecommunications (VNPT)	Viet Nam (VN)	203.162.96.0	203.162.96.255
203.162.100.0/22	More specific	AS7643	Vietnam Posts and Telecommunications (VNPT)	Viet Nam (VN)	203.162.100.0	203.162.103.255