IPv4 prefix

103.37.72.0/22

IP Prefix (CIDR)

103.37.72.0/22

Subnet Mask

255.255.252.0

Address Count

1,024

IP Range

103.37.72.0 - 103.37.75.255

Subnet calculator

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Registered Owner

Owner

Zhang Kefang

Handle

ZK326-AP

Country

China (CN)

Address

Beijing city Chaoyang District Beichen road A Beichen Century Center No. 8 16 storey

Registry

APNIC

Registered Prefix

103.37.72.0/22 (103.37.72.0 - 103.37.75.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
103.37.72.0/22	Exact	AS23724	IDC China Telecommunications Corporation	China (CN)	103.37.72.0	103.37.75.255
103.37.72.0/24	More specific	AS9808	China Mobile Communications Group Co. Ltd	China (CN)	103.37.72.0	103.37.72.255