IPv4 prefix

203.158.208.0/21

IP Prefix (CIDR): 203.158.208.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 203.158.208.0 - 203.158.215.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Rajamangala University of Technology Thanyaburi
Handle: ORG-RUOT2-AP
Country: Thailand (TH)
Address: 39 Moo 1, Klong 6
Registry: APNIC
Registered Prefix: 203.158.128.0/17 (203.158.128.0 - 203.158.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
203.158.208.0/21	Exact	AS136737	Office of Info.Tech. Admin. for Educational Development	Thailand (TH)	203.158.208.0	203.158.215.255