IPv4 prefix

218.30.56.0/21

IP Prefix (CIDR): 218.30.56.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 218.30.56.0 - 218.30.63.255
Subnet calculator: Calculate subnet details

Registered Owner

Owner: Chinanet Hostmaster
Handle: CH93-AP
Country: China (CN)
Address: No.31 ,jingrong street,beijing 100032
Registry: APNIC
Registered Prefix: 218.30.56.0/21 (218.30.56.0 - 218.30.63.255)
Delegated Prefix: 218.30.0.0/15 (218.30.0.0 - 218.31.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
218.30.0.0/15	Covering	AS4134	China Telecom	China (CN)	218.30.0.0	218.31.255.255
218.30.62.0/23	More specific	AS23764	China Telecom Global Limited	Hong Kong (HK)	218.30.62.0	218.30.63.255