IPv4 prefix

64.37.192.0/18

IP Prefix (CIDR)
64.37.192.0/18
Subnet Mask
255.255.192.0
Address Count
16,384
Registration 1 of 2
Owner
CenturyLink Communications, LLC
Handle
CCL-534
Address
100 CENTURYLINK DR Monroe LA 71201 United States
Registry
ARIN
Registered Prefix
64.37.192.0/18 (64.37.192.0 - 64.37.255.255)
Registration 2 of 2
Owner
Trustwave
Handle
TRUST-25
Address
70 West Madison Street Suite 600 CHICAGO IL 60602 United States
Registry
ARIN
Registered Prefix
64.37.231.0/24 (64.37.231.0 - 64.37.231.255)
Delegated Prefix
64.37.192.0/18 (64.37.192.0 - 64.37.255.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
64.37.192.0/18 Exact AS3561 CenturyLink Communications LLC United States of America (US) 64.37.192.0 64.37.255.255
64.37.196.0/24 More specific AS21563 Open Text Corporation Canada (CA) 64.37.196.0 64.37.196.255
64.37.204.0/24 More specific AS21563 Open Text Corporation Canada (CA) 64.37.204.0 64.37.204.255
64.37.210.0/24 More specific AS21563 Open Text Corporation Canada (CA) 64.37.210.0 64.37.210.255
64.37.231.0/24 More specific AS33151 Trustwave Holdings Inc. United States of America (US) 64.37.231.0 64.37.231.255