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IPv4 prefix

212.4.128.0/19

IP Prefix (CIDR)
212.4.128.0/19
Subnet Mask
255.255.224.0
Address Count
8,192
IP Range
212.4.128.0 - 212.4.159.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry
RIPENCC
Registered Prefix
212.0.0.0/8 (212.0.0.0 - 212.255.255.255)
Delegated Prefix
212.104.154.0/24 (212.104.154.0 - 212.104.154.255)
Registration 2 of 2
Handle
AS5610-MTN
Country
Czechia (CZ)
Registry
RIPENCC
Registered Prefixes
212.4.128.0/23 (212.4.128.0 - 212.4.129.255)
212.4.130.0/23 (212.4.130.0 - 212.4.131.255)
212.4.132.0/24 (212.4.132.0 - 212.4.132.255)
212.4.133.0/24 (212.4.133.0 - 212.4.133.255)
212.4.134.0/23 (212.4.134.0 - 212.4.135.255)
212.4.136.0/26 (212.4.136.0 - 212.4.136.63)
212.4.136.64/28 (212.4.136.64 - 212.4.136.79)
212.4.136.80/29 (212.4.136.80 - 212.4.136.87)
212.4.136.88/30 (212.4.136.88 - 212.4.136.91)
212.4.136.92/30 (212.4.136.92 - 212.4.136.95)
212.4.136.96/27 (212.4.136.96 - 212.4.136.127)
212.4.136.128/26 (212.4.136.128 - 212.4.136.191)
212.4.136.192/26 (212.4.136.192 - 212.4.136.255)
212.4.137.0/24 (212.4.137.0 - 212.4.137.255)
212.4.138.32/28 (212.4.138.32 - 212.4.138.47)
212.4.138.48/28 (212.4.138.48 - 212.4.138.63)
212.4.138.64/28 (212.4.138.64 - 212.4.138.79)
212.4.138.80/29 (212.4.138.80 - 212.4.138.87)
212.4.138.104/30 (212.4.138.104 - 212.4.138.107)
212.4.138.108/30 (212.4.138.108 - 212.4.138.111)
212.4.138.112/28 (212.4.138.112 - 212.4.138.127)
212.4.138.128/26 (212.4.138.128 - 212.4.138.191)
212.4.138.192/27 (212.4.138.192 - 212.4.138.223)
212.4.138.224/27 (212.4.138.224 - 212.4.138.255)
212.4.142.0/23 (212.4.142.0 - 212.4.143.255)
212.4.144.0/24 (212.4.144.0 - 212.4.144.255)
212.4.146.0/24 (212.4.146.0 - 212.4.146.255)
212.4.148.0/23 (212.4.148.0 - 212.4.149.255)
212.4.150.0/23 (212.4.150.0 - 212.4.151.255)
212.4.152.0/28 (212.4.152.0 - 212.4.152.15)
212.4.152.16/29 (212.4.152.16 - 212.4.152.23)
212.4.152.24/29 (212.4.152.24 - 212.4.152.31)
212.4.152.32/29 (212.4.152.32 - 212.4.152.39)
212.4.152.40/29 (212.4.152.40 - 212.4.152.47)
212.4.152.48/28 (212.4.152.48 - 212.4.152.63)
212.4.152.64/27 (212.4.152.64 - 212.4.152.95)
212.4.152.96/30 (212.4.152.96 - 212.4.152.99)
212.4.152.104/29 (212.4.152.104 - 212.4.152.111)
212.4.152.112/28 (212.4.152.112 - 212.4.152.127)
212.4.152.128/27 (212.4.152.128 - 212.4.152.159)
212.4.152.160/28 (212.4.152.160 - 212.4.152.175)
212.4.152.176/29 (212.4.152.176 - 212.4.152.183)
212.4.152.184/30 (212.4.152.184 - 212.4.152.187)
212.4.152.188/30 (212.4.152.188 - 212.4.152.191)
212.4.152.192/29 (212.4.152.192 - 212.4.152.199)
212.4.152.200/30 (212.4.152.200 - 212.4.152.203)
212.4.152.204/30 (212.4.152.204 - 212.4.152.207)
212.4.152.208/29 (212.4.152.208 - 212.4.152.215)
212.4.152.216/29 (212.4.152.216 - 212.4.152.223)
212.4.152.224/27 (212.4.152.224 - 212.4.152.255)
212.4.153.0/27 (212.4.153.0 - 212.4.153.31)
212.4.153.64/28 (212.4.153.64 - 212.4.153.79)
212.4.153.80/28 (212.4.153.80 - 212.4.153.95)
212.4.153.96/27 (212.4.153.96 - 212.4.153.127)
212.4.153.128/28 (212.4.153.128 - 212.4.153.143)
212.4.154.0/24 (212.4.154.0 - 212.4.154.255)
212.4.155.0/24 (212.4.155.0 - 212.4.155.255)
212.4.158.128/27 (212.4.158.128 - 212.4.158.159)
212.4.158.160/29 (212.4.158.160 - 212.4.158.167)
Delegated Prefix
212.4.128.0/19 (212.4.128.0 - 212.4.159.255)
BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
212.4.128.0/19 Exact AS12570 O2 Czech Republic a.s. Czechia (CZ) 212.4.128.0 212.4.159.255
212.4.132.0/24 More specific AS51424 Jiri Sperl Czechia (CZ) 212.4.132.0 212.4.132.255
212.4.142.0/23 More specific AS56566 SATT a.s. Czechia (CZ) 212.4.142.0 212.4.143.255