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lookup
CIDR:
221.199.0.0/19
ASN:
AS Number:
4837
AS Description: CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN
Network Address:
221.199.0.0
CIDR Size:
221.199.0.0/19 consists of 524288 networks, each of it can hold 8192 hosts.
