IPv4 prefix

203.158.0.0/21

IP Prefix (CIDR): 203.158.0.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 203.158.0.0 - 203.158.7.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: SUT
Handle: ORG-SA205-AP
Country: Thailand (TH)
Address: 111 University avenue
Registry: APNIC
Registered Prefix: 203.158.0.0/21 (203.158.0.0 - 203.158.7.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
203.158.0.0/21	Exact	AS55545	Suranaree University of Technology	Thailand (TH)	203.158.0.0	203.158.7.255