IPv4 prefix

203.128.0.0/23

IP Prefix (CIDR): 203.128.0.0/23
Subnet Mask: 255.255.254.0
Address Count: 512
IP Range: 203.128.0.0 - 203.128.1.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Asia Pacific Network Information Center, Pty. Ltd.
Handle: ORG-APNI3-AP
Country: Australia (AU)
Address: Level 1 - 33 Park Road
Registry: APNIC
Registered Prefix: 203.0.0.0/8 (203.0.0.0 - 203.255.255.255)
Delegated Prefix: 203.242.112.0/21 (203.242.112.0 - 203.242.119.255)

Registration 2 of 2

Handle: IRT-BRAINNET-PK
Country: Pakistan (PK)
Address: 730 Nizam Block, AIT, Lahore, Pakistan.
Registry: APNIC
Registered Prefix: 203.128.0.0/24 (203.128.0.0 - 203.128.0.255)
Delegated Prefix: 203.128.0.0/22 (203.128.0.0 - 203.128.3.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
203.128.0.0/23	Exact	AS17911	Brain NET	Pakistan (PK)	203.128.0.0	203.128.1.255