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IPv4 prefix

31.209.0.0/18

IP Prefix (CIDR)
31.209.0.0/18
Subnet Mask
255.255.192.0
Address Count
16,384
IP Range
31.209.0.0 - 31.209.63.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry
RIPENCC
Registered Prefix
31.0.0.0/8 (31.0.0.0 - 31.255.255.255)
Delegated Prefix
31.99.128.0/18 (31.99.128.0 - 31.99.191.255)
Registration 2 of 2
Handle
BB2-MNT
Country
Sweden (SE)
Registry
RIPENCC
Registered Prefixes
31.209.0.0/24 (31.209.0.0 - 31.209.0.255)
31.209.4.0/23 (31.209.4.0 - 31.209.5.255)
31.209.6.0/24 (31.209.6.0 - 31.209.6.255)
31.209.7.0/24 (31.209.7.0 - 31.209.7.255)
31.209.8.0/29 (31.209.8.0 - 31.209.8.7)
31.209.9.0/24 (31.209.9.0 - 31.209.9.255)
31.209.10.0/23 (31.209.10.0 - 31.209.11.255)
31.209.12.0/23 (31.209.12.0 - 31.209.13.255)
31.209.14.0/24 (31.209.14.0 - 31.209.14.255)
31.209.15.0/25 (31.209.15.0 - 31.209.15.127)
31.209.15.128/26 (31.209.15.128 - 31.209.15.191)
31.209.15.192/26 (31.209.15.192 - 31.209.15.255)
31.209.16.0/23 (31.209.16.0 - 31.209.17.255)
31.209.18.0/24 (31.209.18.0 - 31.209.18.255)
31.209.19.0/24 (31.209.19.0 - 31.209.19.255)
31.209.20.0/24 (31.209.20.0 - 31.209.20.255)
31.209.21.0/24 (31.209.21.0 - 31.209.21.255)
31.209.22.0/23 (31.209.22.0 - 31.209.23.255)
31.209.24.0/24 (31.209.24.0 - 31.209.24.255)
31.209.25.0/26 (31.209.25.0 - 31.209.25.63)
31.209.25.64/29 (31.209.25.64 - 31.209.25.71)
31.209.25.72/31 (31.209.25.72 - 31.209.25.73)
31.209.25.74/31 (31.209.25.74 - 31.209.25.75)
31.209.25.76/30 (31.209.25.76 - 31.209.25.79)
31.209.25.80/29 (31.209.25.80 - 31.209.25.87)
31.209.25.88/29 (31.209.25.88 - 31.209.25.95)
31.209.25.96/29 (31.209.25.96 - 31.209.25.103)
31.209.25.104/29 (31.209.25.104 - 31.209.25.111)
31.209.25.112/29 (31.209.25.112 - 31.209.25.119)
31.209.25.120/29 (31.209.25.120 - 31.209.25.127)
31.209.25.128/26 (31.209.25.128 - 31.209.25.191)
31.209.25.192/27 (31.209.25.192 - 31.209.25.223)
31.209.25.224/27 (31.209.25.224 - 31.209.25.255)
31.209.26.0/23 (31.209.26.0 - 31.209.27.255)
31.209.28.0/24 (31.209.28.0 - 31.209.28.255)
31.209.29.0/24 (31.209.29.0 - 31.209.29.255)
31.209.30.0/27 (31.209.30.0 - 31.209.30.31)
31.209.30.32/28 (31.209.30.32 - 31.209.30.47)
31.209.30.48/28 (31.209.30.48 - 31.209.30.63)
31.209.30.64/29 (31.209.30.64 - 31.209.30.71)
31.209.30.72/29 (31.209.30.72 - 31.209.30.79)
31.209.30.80/29 (31.209.30.80 - 31.209.30.87)
31.209.30.88/29 (31.209.30.88 - 31.209.30.95)
31.209.30.96/29 (31.209.30.96 - 31.209.30.103)
31.209.30.104/29 (31.209.30.104 - 31.209.30.111)
31.209.30.112/29 (31.209.30.112 - 31.209.30.119)
31.209.30.120/29 (31.209.30.120 - 31.209.30.127)
31.209.30.128/25 (31.209.30.128 - 31.209.30.255)
31.209.31.0/24 (31.209.31.0 - 31.209.31.255)
31.209.32.0/21 (31.209.32.0 - 31.209.39.255)
31.209.40.0/21 (31.209.40.0 - 31.209.47.255)
31.209.48.0/24 (31.209.48.0 - 31.209.48.255)
31.209.49.0/27 (31.209.49.0 - 31.209.49.31)
31.209.49.32/28 (31.209.49.32 - 31.209.49.47)
31.209.49.48/29 (31.209.49.48 - 31.209.49.55)
31.209.49.56/29 (31.209.49.56 - 31.209.49.63)
31.209.49.64/29 (31.209.49.64 - 31.209.49.71)
31.209.49.72/29 (31.209.49.72 - 31.209.49.79)
31.209.49.80/28 (31.209.49.80 - 31.209.49.95)
31.209.49.96/29 (31.209.49.96 - 31.209.49.103)
31.209.49.104/29 (31.209.49.104 - 31.209.49.111)
31.209.49.112/29 (31.209.49.112 - 31.209.49.119)
31.209.49.120/29 (31.209.49.120 - 31.209.49.127)
31.209.49.128/29 (31.209.49.128 - 31.209.49.135)
31.209.49.136/29 (31.209.49.136 - 31.209.49.143)
31.209.49.144/29 (31.209.49.144 - 31.209.49.151)
31.209.49.152/29 (31.209.49.152 - 31.209.49.159)
31.209.49.160/28 (31.209.49.160 - 31.209.49.175)
31.209.49.176/29 (31.209.49.176 - 31.209.49.183)
31.209.49.184/29 (31.209.49.184 - 31.209.49.191)
31.209.49.192/27 (31.209.49.192 - 31.209.49.223)
31.209.49.224/27 (31.209.49.224 - 31.209.49.255)
31.209.50.0/24 (31.209.50.0 - 31.209.50.255)
31.209.51.0/24 (31.209.51.0 - 31.209.51.255)
31.209.52.0/22 (31.209.52.0 - 31.209.55.255)
31.209.56.0/25 (31.209.56.0 - 31.209.56.127)
31.209.57.0/26 (31.209.57.0 - 31.209.57.63)
31.209.57.64/26 (31.209.57.64 - 31.209.57.127)
31.209.57.128/29 (31.209.57.128 - 31.209.57.135)
31.209.57.136/29 (31.209.57.136 - 31.209.57.143)
31.209.57.144/29 (31.209.57.144 - 31.209.57.151)
31.209.57.152/29 (31.209.57.152 - 31.209.57.159)
31.209.57.160/29 (31.209.57.160 - 31.209.57.167)
31.209.57.168/29 (31.209.57.168 - 31.209.57.175)
31.209.57.176/29 (31.209.57.176 - 31.209.57.183)
31.209.57.184/29 (31.209.57.184 - 31.209.57.191)
31.209.57.192/27 (31.209.57.192 - 31.209.57.223)
31.209.57.224/29 (31.209.57.224 - 31.209.57.231)
31.209.57.232/29 (31.209.57.232 - 31.209.57.239)
31.209.57.240/29 (31.209.57.240 - 31.209.57.247)
31.209.57.248/29 (31.209.57.248 - 31.209.57.255)
31.209.58.0/23 (31.209.58.0 - 31.209.59.255)
31.209.60.0/25 (31.209.60.0 - 31.209.60.127)
31.209.60.128/28 (31.209.60.128 - 31.209.60.143)
31.209.60.144/29 (31.209.60.144 - 31.209.60.151)
31.209.60.152/29 (31.209.60.152 - 31.209.60.159)
31.209.60.160/27 (31.209.60.160 - 31.209.60.191)
31.209.60.192/26 (31.209.60.192 - 31.209.60.255)
31.209.61.0/28 (31.209.61.0 - 31.209.61.15)
Delegated Prefix
31.209.0.0/18 (31.209.0.0 - 31.209.63.255)

These results are partial. Additional registration records were omitted.

BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
31.209.0.0/18 Exact AS29518 Bredband2 AB Sweden (SE) 31.209.0.0 31.209.63.255