IPv4 prefix

203.65.128.0/23

IP Prefix (CIDR)

203.65.128.0/23

Subnet Mask

255.255.254.0

Address Count

512

IP Range

203.65.128.0 - 203.65.129.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

Hsu-Sung Kuo

Handle

HSK-TW

Country

Taiwan (Province of China) (TW)

Address

Department Of Health The Executive Yuan 100, Ai-Kuo E. Rd. Taipei Taiwan

Registry

TWNIC

Registered Prefix

203.65.128.0/23 (203.65.128.0 - 203.65.129.255)

Delegated Prefix

203.65.128.0/19 (203.65.128.0 - 203.65.159.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
203.65.128.0/19	Covering	AS4782	Data Communication Business Group	Taiwan (Province of China) (TW)	203.65.128.0	203.65.159.255