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IPv4 prefix

81.185.0.0/16

IP Prefix (CIDR)
81.185.0.0/16
Subnet Mask
255.255.0.0
Address Count
65,536
IP Range
81.185.0.0 - 81.185.255.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Handle
LDCOM-MNT
Country
France (FR)
Registry
RIPENCC
Registered Prefixes
81.185.0.0/21 (81.185.0.0 - 81.185.7.255)
81.185.8.0/21 (81.185.8.0 - 81.185.15.255)
81.185.16.0/32 (81.185.16.0 - 81.185.16.0)
81.185.17.0/24 (81.185.17.0 - 81.185.17.255)
81.185.18.0/23 (81.185.18.0 - 81.185.19.255)
81.185.20.0/22 (81.185.20.0 - 81.185.23.255)
81.185.24.0/21 (81.185.24.0 - 81.185.31.255)
81.185.32.0/21 (81.185.32.0 - 81.185.39.255)
81.185.43.0/24 (81.185.43.0 - 81.185.43.255)
81.185.44.0/22 (81.185.44.0 - 81.185.47.255)
81.185.48.0/20 (81.185.48.0 - 81.185.63.255)
81.185.64.0/21 (81.185.64.0 - 81.185.71.255)
81.185.72.0/21 (81.185.72.0 - 81.185.79.255)
81.185.80.0/22 (81.185.80.0 - 81.185.83.255)
81.185.86.0/23 (81.185.86.0 - 81.185.87.255)
81.185.96.0/19 (81.185.96.0 - 81.185.127.255)
81.185.144.0/20 (81.185.144.0 - 81.185.159.255)
81.185.160.0/32 (81.185.160.0 - 81.185.160.0)
81.185.176.0/32 (81.185.176.0 - 81.185.176.0)
81.185.178.0/23 (81.185.178.0 - 81.185.179.255)
81.185.180.0/23 (81.185.180.0 - 81.185.181.255)
81.185.182.0/23 (81.185.182.0 - 81.185.183.255)
81.185.184.0/21 (81.185.184.0 - 81.185.191.255)
81.185.192.0/21 (81.185.192.0 - 81.185.199.255)
81.185.200.0/24 (81.185.200.0 - 81.185.200.255)
81.185.201.0/24 (81.185.201.0 - 81.185.201.255)
81.185.204.0/22 (81.185.204.0 - 81.185.207.255)
81.185.216.0/22 (81.185.216.0 - 81.185.219.255)
81.185.220.0/24 (81.185.220.0 - 81.185.220.255)
Delegated Prefix
81.185.0.0/16 (81.185.0.0 - 81.185.255.255)
Registration 2 of 2
Handle
SFR-MNT
Country
France (FR)
Registry
RIPENCC
Registered Prefixes
81.185.88.0/21 (81.185.88.0 - 81.185.95.255)
81.185.128.0/20 (81.185.128.0 - 81.185.143.255)
81.185.208.0/21 (81.185.208.0 - 81.185.215.255)
81.185.224.0/20 (81.185.224.0 - 81.185.239.255)
Delegated Prefix
81.185.0.0/16 (81.185.0.0 - 81.185.255.255)
BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
81.185.0.0/16 Exact AS15557 Societe Francaise Du Radiotelephone - SFR SA France (FR) 81.185.0.0 81.185.255.255