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IPv4 prefix

188.66.64.0/18

IP Prefix (CIDR)
188.66.64.0/18
Subnet Mask
255.255.192.0
Address Count
16,384
IP Range
188.66.64.0 - 188.66.127.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry
RIPENCC
Registered Prefix
188.0.0.0/8 (188.0.0.0 - 188.255.255.255)
Delegated Prefix
188.215.92.0/24 (188.215.92.0 - 188.215.92.255)
Registration 2 of 2
Handle
MNT-GTHL
Country
United Kingdom of Great Britain and Northern Ireland (GB)
Registry
RIPENCC
Registered Prefixes
188.66.64.0/21 (188.66.64.0 - 188.66.71.255)
188.66.72.0/21 (188.66.72.0 - 188.66.79.255)
188.66.80.0/21 (188.66.80.0 - 188.66.87.255)
188.66.88.0/24 (188.66.88.0 - 188.66.88.255)
188.66.89.0/24 (188.66.89.0 - 188.66.89.255)
188.66.90.0/24 (188.66.90.0 - 188.66.90.255)
188.66.91.0/24 (188.66.91.0 - 188.66.91.255)
188.66.92.0/24 (188.66.92.0 - 188.66.92.255)
188.66.93.0/25 (188.66.93.0 - 188.66.93.127)
188.66.93.128/28 (188.66.93.128 - 188.66.93.143)
188.66.93.144/30 (188.66.93.144 - 188.66.93.147)
188.66.94.0/24 (188.66.94.0 - 188.66.94.255)
188.66.95.16/28 (188.66.95.16 - 188.66.95.31)
188.66.95.48/28 (188.66.95.48 - 188.66.95.63)
188.66.95.64/28 (188.66.95.64 - 188.66.95.79)
188.66.95.80/28 (188.66.95.80 - 188.66.95.95)
188.66.95.128/28 (188.66.95.128 - 188.66.95.143)
188.66.95.144/28 (188.66.95.144 - 188.66.95.159)
188.66.95.160/28 (188.66.95.160 - 188.66.95.175)
188.66.95.176/28 (188.66.95.176 - 188.66.95.191)
188.66.95.192/28 (188.66.95.192 - 188.66.95.207)
188.66.95.224/28 (188.66.95.224 - 188.66.95.239)
188.66.96.0/29 (188.66.96.0 - 188.66.96.7)
188.66.96.8/29 (188.66.96.8 - 188.66.96.15)
188.66.96.16/29 (188.66.96.16 - 188.66.96.23)
188.66.96.40/29 (188.66.96.40 - 188.66.96.47)
188.66.96.48/29 (188.66.96.48 - 188.66.96.55)
188.66.96.56/29 (188.66.96.56 - 188.66.96.63)
188.66.96.64/29 (188.66.96.64 - 188.66.96.71)
188.66.96.80/29 (188.66.96.80 - 188.66.96.87)
188.66.96.96/29 (188.66.96.96 - 188.66.96.103)
188.66.96.104/29 (188.66.96.104 - 188.66.96.111)
188.66.96.112/29 (188.66.96.112 - 188.66.96.119)
188.66.96.120/29 (188.66.96.120 - 188.66.96.127)
188.66.96.128/29 (188.66.96.128 - 188.66.96.135)
188.66.96.136/29 (188.66.96.136 - 188.66.96.143)
188.66.96.144/29 (188.66.96.144 - 188.66.96.151)
188.66.96.152/29 (188.66.96.152 - 188.66.96.159)
188.66.96.160/29 (188.66.96.160 - 188.66.96.167)
188.66.96.168/29 (188.66.96.168 - 188.66.96.175)
188.66.96.176/29 (188.66.96.176 - 188.66.96.183)
188.66.96.184/29 (188.66.96.184 - 188.66.96.191)
188.66.96.192/29 (188.66.96.192 - 188.66.96.199)
188.66.96.200/29 (188.66.96.200 - 188.66.96.207)
188.66.96.216/29 (188.66.96.216 - 188.66.96.223)
188.66.96.224/29 (188.66.96.224 - 188.66.96.231)
188.66.96.240/29 (188.66.96.240 - 188.66.96.247)
188.66.97.0/29 (188.66.97.0 - 188.66.97.7)
188.66.97.8/29 (188.66.97.8 - 188.66.97.15)
188.66.97.16/29 (188.66.97.16 - 188.66.97.23)
188.66.97.24/29 (188.66.97.24 - 188.66.97.31)
188.66.97.40/29 (188.66.97.40 - 188.66.97.47)
188.66.97.56/29 (188.66.97.56 - 188.66.97.63)
188.66.97.64/29 (188.66.97.64 - 188.66.97.71)
188.66.97.72/29 (188.66.97.72 - 188.66.97.79)
188.66.97.88/29 (188.66.97.88 - 188.66.97.95)
188.66.97.112/29 (188.66.97.112 - 188.66.97.119)
188.66.97.120/29 (188.66.97.120 - 188.66.97.127)
188.66.97.128/29 (188.66.97.128 - 188.66.97.135)
188.66.97.136/29 (188.66.97.136 - 188.66.97.143)
188.66.97.144/29 (188.66.97.144 - 188.66.97.151)
188.66.97.152/29 (188.66.97.152 - 188.66.97.159)
188.66.97.160/29 (188.66.97.160 - 188.66.97.167)
188.66.97.168/29 (188.66.97.168 - 188.66.97.175)
188.66.97.184/29 (188.66.97.184 - 188.66.97.191)
188.66.97.192/29 (188.66.97.192 - 188.66.97.199)
188.66.97.224/29 (188.66.97.224 - 188.66.97.231)
188.66.97.232/29 (188.66.97.232 - 188.66.97.239)
188.66.97.248/29 (188.66.97.248 - 188.66.97.255)
188.66.98.0/29 (188.66.98.0 - 188.66.98.7)
188.66.98.8/29 (188.66.98.8 - 188.66.98.15)
188.66.98.16/29 (188.66.98.16 - 188.66.98.23)
188.66.98.24/29 (188.66.98.24 - 188.66.98.31)
188.66.98.32/29 (188.66.98.32 - 188.66.98.39)
188.66.98.40/29 (188.66.98.40 - 188.66.98.47)
188.66.98.48/29 (188.66.98.48 - 188.66.98.55)
188.66.98.56/29 (188.66.98.56 - 188.66.98.63)
188.66.98.64/29 (188.66.98.64 - 188.66.98.71)
188.66.98.72/29 (188.66.98.72 - 188.66.98.79)
188.66.98.80/29 (188.66.98.80 - 188.66.98.87)
188.66.98.88/29 (188.66.98.88 - 188.66.98.95)
188.66.98.96/29 (188.66.98.96 - 188.66.98.103)
188.66.98.104/29 (188.66.98.104 - 188.66.98.111)
188.66.98.112/29 (188.66.98.112 - 188.66.98.119)
188.66.98.120/29 (188.66.98.120 - 188.66.98.127)
188.66.98.128/29 (188.66.98.128 - 188.66.98.135)
188.66.98.136/29 (188.66.98.136 - 188.66.98.143)
188.66.98.144/29 (188.66.98.144 - 188.66.98.151)
188.66.98.152/29 (188.66.98.152 - 188.66.98.159)
188.66.98.176/29 (188.66.98.176 - 188.66.98.183)
188.66.98.184/29 (188.66.98.184 - 188.66.98.191)
188.66.98.200/29 (188.66.98.200 - 188.66.98.207)
188.66.98.208/29 (188.66.98.208 - 188.66.98.215)
188.66.98.216/29 (188.66.98.216 - 188.66.98.223)
188.66.98.232/29 (188.66.98.232 - 188.66.98.239)
188.66.98.240/29 (188.66.98.240 - 188.66.98.247)
188.66.98.248/29 (188.66.98.248 - 188.66.98.255)
188.66.99.0/29 (188.66.99.0 - 188.66.99.7)
188.66.99.16/29 (188.66.99.16 - 188.66.99.23)
Delegated Prefix
188.66.64.0/18 (188.66.64.0 - 188.66.127.255)

These results are partial. Additional registration records were omitted.

BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
188.66.64.0/18 Exact AS31655 Gamma Telecom Holdings Ltd United Kingdom of Great Britain and Northern Ireland (GB) 188.66.64.0 188.66.127.255