IPv4 prefix

72.57.240.0/20

IP Prefix (CIDR)

72.57.240.0/20

Subnet Mask

255.255.240.0

Address Count

4,096

IP Range

72.57.240.0 - 72.57.255.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

SKYLINE NETWORKS COMPANY LIMITED administrator

Handle

SNCL1-AP

Country

Hong Kong (HK)

Address

FLAT A 6/F BLK B MARVEL IND BLDG 17-23, KWAI FUNG CRESENT KWAI CHUNG 999077

Registry

APNIC

Registered Prefixes

72.57.240.0/20 (72.57.240.0 - 72.57.255.255)
72.57.248.0/24 (72.57.248.0 - 72.57.248.255)
72.57.250.0/24 (72.57.250.0 - 72.57.250.255)
72.57.252.0/24 (72.57.252.0 - 72.57.252.255)

Delegated Prefix

72.57.128.0/17 (72.57.128.0 - 72.57.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
72.57.240.0/23	More specific	AS984	OCTOPUS WEB SOLUTION INC	United States of America (US)	72.57.240.0	72.57.241.255
72.57.242.0/24	More specific	AS3491	PCCW Global (HK) Limited	Hong Kong (HK)	72.57.242.0	72.57.242.255
72.57.243.0/24	More specific	AS984	OCTOPUS WEB SOLUTION INC	United States of America (US)	72.57.243.0	72.57.243.255
72.57.244.0/22	More specific	AS984	OCTOPUS WEB SOLUTION INC	United States of America (US)	72.57.244.0	72.57.247.255
72.57.248.0/23	More specific	AS56286	IX Telecom SDN. BHD.	Malaysia (MY)	72.57.248.0	72.57.249.255
72.57.250.0/24	More specific	AS56286	IX Telecom SDN. BHD.	Malaysia (MY)	72.57.250.0	72.57.250.255
72.57.251.0/24	More specific	AS3491	PCCW Global (HK) Limited	Hong Kong (HK)	72.57.251.0	72.57.251.255
72.57.252.0/22	More specific	AS56286	IX Telecom SDN. BHD.	Malaysia (MY)	72.57.252.0	72.57.255.255