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IPv4 prefix

5.2.16.0/21

IP Prefix (CIDR)
5.2.16.0/21
Subnet Mask
255.255.248.0
Address Count
2,048
IP Range
5.2.16.0 - 5.2.23.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry
RIPENCC
Registered Prefix
5.0.0.0/8 (5.0.0.0 - 5.255.255.255)
Delegated Prefix
5.134.16.0/21 (5.134.16.0 - 5.134.23.255)
Registration 2 of 2
Handle
SERVERHOUSE-MNT
Country
United Kingdom of Great Britain and Northern Ireland (GB)
Registry
RIPENCC
Registered Prefixes
5.2.16.0/24 (5.2.16.0 - 5.2.16.255)
5.2.17.0/28 (5.2.17.0 - 5.2.17.15)
5.2.17.16/30 (5.2.17.16 - 5.2.17.19)
5.2.17.20/30 (5.2.17.20 - 5.2.17.23)
5.2.17.24/29 (5.2.17.24 - 5.2.17.31)
5.2.17.32/28 (5.2.17.32 - 5.2.17.47)
5.2.17.48/30 (5.2.17.48 - 5.2.17.51)
5.2.17.52/31 (5.2.17.52 - 5.2.17.53)
5.2.17.54/31 (5.2.17.54 - 5.2.17.55)
5.2.17.56/29 (5.2.17.56 - 5.2.17.63)
5.2.17.64/26 (5.2.17.64 - 5.2.17.127)
5.2.17.128/28 (5.2.17.128 - 5.2.17.143)
5.2.17.144/31 (5.2.17.144 - 5.2.17.145)
5.2.17.146/31 (5.2.17.146 - 5.2.17.147)
5.2.17.148/31 (5.2.17.148 - 5.2.17.149)
5.2.17.150/31 (5.2.17.150 - 5.2.17.151)
5.2.17.152/29 (5.2.17.152 - 5.2.17.159)
5.2.17.160/28 (5.2.17.160 - 5.2.17.175)
5.2.17.176/28 (5.2.17.176 - 5.2.17.191)
5.2.17.192/30 (5.2.17.192 - 5.2.17.195)
5.2.17.196/30 (5.2.17.196 - 5.2.17.199)
5.2.17.200/29 (5.2.17.200 - 5.2.17.207)
5.2.17.208/30 (5.2.17.208 - 5.2.17.211)
5.2.17.212/30 (5.2.17.212 - 5.2.17.215)
5.2.17.216/30 (5.2.17.216 - 5.2.17.219)
5.2.17.220/30 (5.2.17.220 - 5.2.17.223)
5.2.17.224/28 (5.2.17.224 - 5.2.17.239)
5.2.17.240/30 (5.2.17.240 - 5.2.17.243)
5.2.17.244/30 (5.2.17.244 - 5.2.17.247)
5.2.17.248/30 (5.2.17.248 - 5.2.17.251)
5.2.17.252/30 (5.2.17.252 - 5.2.17.255)
5.2.18.0/27 (5.2.18.0 - 5.2.18.31)
5.2.18.32/27 (5.2.18.32 - 5.2.18.63)
5.2.18.64/29 (5.2.18.64 - 5.2.18.71)
5.2.18.72/29 (5.2.18.72 - 5.2.18.79)
5.2.18.80/28 (5.2.18.80 - 5.2.18.95)
5.2.18.96/28 (5.2.18.96 - 5.2.18.111)
5.2.18.112/29 (5.2.18.112 - 5.2.18.119)
5.2.18.120/30 (5.2.18.120 - 5.2.18.123)
5.2.18.124/30 (5.2.18.124 - 5.2.18.127)
5.2.18.128/27 (5.2.18.128 - 5.2.18.159)
5.2.18.160/27 (5.2.18.160 - 5.2.18.191)
5.2.18.192/26 (5.2.18.192 - 5.2.18.255)
5.2.19.0/29 (5.2.19.0 - 5.2.19.7)
5.2.19.8/30 (5.2.19.8 - 5.2.19.11)
5.2.19.12/30 (5.2.19.12 - 5.2.19.15)
5.2.19.16/29 (5.2.19.16 - 5.2.19.23)
5.2.19.24/30 (5.2.19.24 - 5.2.19.27)
5.2.19.28/30 (5.2.19.28 - 5.2.19.31)
5.2.19.32/30 (5.2.19.32 - 5.2.19.35)
5.2.19.36/30 (5.2.19.36 - 5.2.19.39)
5.2.19.40/29 (5.2.19.40 - 5.2.19.47)
5.2.19.48/28 (5.2.19.48 - 5.2.19.63)
5.2.19.64/27 (5.2.19.64 - 5.2.19.95)
5.2.19.96/29 (5.2.19.96 - 5.2.19.103)
5.2.19.104/29 (5.2.19.104 - 5.2.19.111)
5.2.19.112/28 (5.2.19.112 - 5.2.19.127)
5.2.19.128/28 (5.2.19.128 - 5.2.19.143)
5.2.19.144/28 (5.2.19.144 - 5.2.19.159)
5.2.19.160/27 (5.2.19.160 - 5.2.19.191)
5.2.19.192/26 (5.2.19.192 - 5.2.19.255)
5.2.20.160/27 (5.2.20.160 - 5.2.20.191)
5.2.21.0/28 (5.2.21.0 - 5.2.21.15)
5.2.21.16/29 (5.2.21.16 - 5.2.21.23)
5.2.21.24/29 (5.2.21.24 - 5.2.21.31)
5.2.21.32/28 (5.2.21.32 - 5.2.21.47)
5.2.21.48/28 (5.2.21.48 - 5.2.21.63)
5.2.21.64/28 (5.2.21.64 - 5.2.21.79)
5.2.21.80/28 (5.2.21.80 - 5.2.21.95)
5.2.21.96/28 (5.2.21.96 - 5.2.21.111)
5.2.21.112/29 (5.2.21.112 - 5.2.21.119)
5.2.21.120/29 (5.2.21.120 - 5.2.21.127)
5.2.21.128/28 (5.2.21.128 - 5.2.21.143)
5.2.21.144/28 (5.2.21.144 - 5.2.21.159)
5.2.21.160/28 (5.2.21.160 - 5.2.21.175)
5.2.21.176/29 (5.2.21.176 - 5.2.21.183)
5.2.21.184/29 (5.2.21.184 - 5.2.21.191)
5.2.21.192/29 (5.2.21.192 - 5.2.21.199)
5.2.21.200/30 (5.2.21.200 - 5.2.21.203)
5.2.21.204/31 (5.2.21.204 - 5.2.21.205)
5.2.21.208/29 (5.2.21.208 - 5.2.21.215)
5.2.21.232/29 (5.2.21.232 - 5.2.21.239)
5.2.21.240/28 (5.2.21.240 - 5.2.21.255)
5.2.22.0/24 (5.2.22.0 - 5.2.22.255)
5.2.23.0/28 (5.2.23.0 - 5.2.23.15)
5.2.23.16/28 (5.2.23.16 - 5.2.23.31)
5.2.23.32/31 (5.2.23.32 - 5.2.23.33)
5.2.23.36/30 (5.2.23.36 - 5.2.23.39)
Delegated Prefix
5.2.16.0/21 (5.2.16.0 - 5.2.23.255)
BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
5.2.16.0/21 Exact AS21472 ServerHouse Ltd United Kingdom of Great Britain and Northern Ireland (GB) 5.2.16.0 5.2.23.255