IPv4 prefix

31.30.0.0/16

IP Prefix (CIDR): 31.30.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 31.30.0.0 - 31.30.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Vodafone Czech Republic a.s.
Handle: ORG-CMa1-RIPE
Country: Czechia (CZ)
Address: namesti Junkovych 2 155 00 Prague 5 CZECH REPUBLIC
Registry: RIPENCC
Registered Prefix: 31.30.0.0/16 (31.30.0.0 - 31.30.255.255)

Registration 2 of 2

Handle: OSKR-MNT
Country: Czechia (CZ)
Registry: RIPENCC
Registered Prefixes: 31.30.0.16/30 (31.30.0.16 - 31.30.0.19)
31.30.0.24/29 (31.30.0.24 - 31.30.0.31)
31.30.0.32/29 (31.30.0.32 - 31.30.0.39)
31.30.0.44/30 (31.30.0.44 - 31.30.0.47)
31.30.0.52/30 (31.30.0.52 - 31.30.0.55)
31.30.0.56/30 (31.30.0.56 - 31.30.0.59)
31.30.0.60/30 (31.30.0.60 - 31.30.0.63)
31.30.0.68/30 (31.30.0.68 - 31.30.0.71)
31.30.0.72/30 (31.30.0.72 - 31.30.0.75)
31.30.0.76/30 (31.30.0.76 - 31.30.0.79)
31.30.0.84/30 (31.30.0.84 - 31.30.0.87)
31.30.0.92/30 (31.30.0.92 - 31.30.0.95)
31.30.0.100/31 (31.30.0.100 - 31.30.0.101)
31.30.0.112/29 (31.30.0.112 - 31.30.0.119)
31.30.0.120/29 (31.30.0.120 - 31.30.0.127)
31.30.0.136/31 (31.30.0.136 - 31.30.0.137)
31.30.0.152/29 (31.30.0.152 - 31.30.0.159)
31.30.0.172/30 (31.30.0.172 - 31.30.0.175)
31.30.0.192/28 (31.30.0.192 - 31.30.0.207)
31.30.0.232/30 (31.30.0.232 - 31.30.0.235)
31.30.0.236/30 (31.30.0.236 - 31.30.0.239)
31.30.0.244/30 (31.30.0.244 - 31.30.0.247)
31.30.0.248/30 (31.30.0.248 - 31.30.0.251)
31.30.1.0/25 (31.30.1.0 - 31.30.1.127)
31.30.1.200/29 (31.30.1.200 - 31.30.1.207)
31.30.1.224/30 (31.30.1.224 - 31.30.1.227)
31.30.1.240/29 (31.30.1.240 - 31.30.1.247)
31.30.1.248/29 (31.30.1.248 - 31.30.1.255)
31.30.3.4/30 (31.30.3.4 - 31.30.3.7)
31.30.3.8/29 (31.30.3.8 - 31.30.3.15)
31.30.3.16/29 (31.30.3.16 - 31.30.3.23)
31.30.3.32/29 (31.30.3.32 - 31.30.3.39)
31.30.3.84/30 (31.30.3.84 - 31.30.3.87)
31.30.3.88/29 (31.30.3.88 - 31.30.3.95)
31.30.3.96/29 (31.30.3.96 - 31.30.3.103)
31.30.3.112/28 (31.30.3.112 - 31.30.3.127)
31.30.3.144/29 (31.30.3.144 - 31.30.3.151)
31.30.3.152/30 (31.30.3.152 - 31.30.3.155)
31.30.3.156/30 (31.30.3.156 - 31.30.3.159)
31.30.3.160/29 (31.30.3.160 - 31.30.3.167)
31.30.3.176/29 (31.30.3.176 - 31.30.3.183)
31.30.3.184/30 (31.30.3.184 - 31.30.3.187)
31.30.3.188/30 (31.30.3.188 - 31.30.3.191)
31.30.3.200/29 (31.30.3.200 - 31.30.3.207)
31.30.3.208/28 (31.30.3.208 - 31.30.3.223)
31.30.3.244/30 (31.30.3.244 - 31.30.3.247)
31.30.4.8/29 (31.30.4.8 - 31.30.4.15)
31.30.4.28/30 (31.30.4.28 - 31.30.4.31)
31.30.4.32/27 (31.30.4.32 - 31.30.4.63)
31.30.4.64/29 (31.30.4.64 - 31.30.4.71)
31.30.4.72/29 (31.30.4.72 - 31.30.4.79)
31.30.4.80/30 (31.30.4.80 - 31.30.4.83)
31.30.4.84/30 (31.30.4.84 - 31.30.4.87)
31.30.4.88/29 (31.30.4.88 - 31.30.4.95)
31.30.4.112/29 (31.30.4.112 - 31.30.4.119)
31.30.4.164/30 (31.30.4.164 - 31.30.4.167)
31.30.4.168/30 (31.30.4.168 - 31.30.4.171)
31.30.4.176/29 (31.30.4.176 - 31.30.4.183)
31.30.4.184/30 (31.30.4.184 - 31.30.4.187)
31.30.4.188/30 (31.30.4.188 - 31.30.4.191)
31.30.4.192/29 (31.30.4.192 - 31.30.4.199)
31.30.4.200/29 (31.30.4.200 - 31.30.4.207)
31.30.4.208/29 (31.30.4.208 - 31.30.4.215)
31.30.4.224/27 (31.30.4.224 - 31.30.4.255)
31.30.5.16/29 (31.30.5.16 - 31.30.5.23)
31.30.5.24/29 (31.30.5.24 - 31.30.5.31)
31.30.5.32/28 (31.30.5.32 - 31.30.5.47)
31.30.5.56/29 (31.30.5.56 - 31.30.5.63)
31.30.5.64/27 (31.30.5.64 - 31.30.5.95)
31.30.5.108/30 (31.30.5.108 - 31.30.5.111)
31.30.5.112/28 (31.30.5.112 - 31.30.5.127)
31.30.5.128/26 (31.30.5.128 - 31.30.5.191)
31.30.5.192/29 (31.30.5.192 - 31.30.5.199)
31.30.5.200/29 (31.30.5.200 - 31.30.5.207)
31.30.5.208/29 (31.30.5.208 - 31.30.5.215)
31.30.5.216/29 (31.30.5.216 - 31.30.5.223)
31.30.5.232/29 (31.30.5.232 - 31.30.5.239)
31.30.5.240/29 (31.30.5.240 - 31.30.5.247)
31.30.6.0/29 (31.30.6.0 - 31.30.6.7)
31.30.6.8/29 (31.30.6.8 - 31.30.6.15)
31.30.6.32/27 (31.30.6.32 - 31.30.6.63)
31.30.6.64/29 (31.30.6.64 - 31.30.6.71)
31.30.6.72/29 (31.30.6.72 - 31.30.6.79)
31.30.6.104/30 (31.30.6.104 - 31.30.6.107)
31.30.6.112/28 (31.30.6.112 - 31.30.6.127)
31.30.6.128/29 (31.30.6.128 - 31.30.6.135)
31.30.6.136/29 (31.30.6.136 - 31.30.6.143)
31.30.6.176/29 (31.30.6.176 - 31.30.6.183)
31.30.6.208/29 (31.30.6.208 - 31.30.6.215)
31.30.6.248/30 (31.30.6.248 - 31.30.6.251)
31.30.6.252/30 (31.30.6.252 - 31.30.6.255)
31.30.7.0/29 (31.30.7.0 - 31.30.7.7)
31.30.7.8/29 (31.30.7.8 - 31.30.7.15)
31.30.7.16/28 (31.30.7.16 - 31.30.7.31)
31.30.7.32/28 (31.30.7.32 - 31.30.7.47)
31.30.7.68/30 (31.30.7.68 - 31.30.7.71)
31.30.7.72/29 (31.30.7.72 - 31.30.7.79)
31.30.7.80/29 (31.30.7.80 - 31.30.7.87)
31.30.7.88/29 (31.30.7.88 - 31.30.7.95)
Delegated Prefix: 31.30.0.0/16 (31.30.0.0 - 31.30.255.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
31.30.0.0/16	Exact	AS16019	Vodafone Czech Republic a.s.	Czechia (CZ)	31.30.0.0	31.30.255.255