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IPv4 prefix

83.138.128.0/18

IP Prefix (CIDR)
83.138.128.0/18
Subnet Mask
255.255.192.0
Address Count
16,384
IP Range
83.138.128.0 - 83.138.191.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
Rackspace Ltd.
Handle
ORG-RA33-RIPE
Country
United Kingdom of Great Britain and Northern Ireland (GB)
Address
1 Fanatical Place 78218 Windcrest UNITED STATES
Registry
RIPENCC
Registered Prefix
83.138.128.0/18 (83.138.128.0 - 83.138.191.255)
Registration 2 of 2
Handle
RSPC-MNT
Country
United Kingdom of Great Britain and Northern Ireland (GB)
Registry
RIPENCC
Registered Prefixes
83.138.128.0/26 (83.138.128.0 - 83.138.128.63)
83.138.128.64/26 (83.138.128.64 - 83.138.128.127)
83.138.128.128/26 (83.138.128.128 - 83.138.128.191)
83.138.128.192/27 (83.138.128.192 - 83.138.128.223)
83.138.128.224/27 (83.138.128.224 - 83.138.128.255)
83.138.129.16/29 (83.138.129.16 - 83.138.129.23)
83.138.129.80/29 (83.138.129.80 - 83.138.129.87)
83.138.129.88/29 (83.138.129.88 - 83.138.129.95)
83.138.129.96/29 (83.138.129.96 - 83.138.129.103)
83.138.129.130/31 (83.138.129.130 - 83.138.129.131)
83.138.129.134/31 (83.138.129.134 - 83.138.129.135)
83.138.129.152/29 (83.138.129.152 - 83.138.129.159)
83.138.129.176/29 (83.138.129.176 - 83.138.129.183)
83.138.130.0/25 (83.138.130.0 - 83.138.130.127)
83.138.130.128/26 (83.138.130.128 - 83.138.130.191)
83.138.130.192/26 (83.138.130.192 - 83.138.130.255)
83.138.131.8/29 (83.138.131.8 - 83.138.131.15)
83.138.131.16/29 (83.138.131.16 - 83.138.131.23)
83.138.131.24/29 (83.138.131.24 - 83.138.131.31)
83.138.131.56/29 (83.138.131.56 - 83.138.131.63)
83.138.131.88/29 (83.138.131.88 - 83.138.131.95)
83.138.131.104/29 (83.138.131.104 - 83.138.131.111)
83.138.131.128/29 (83.138.131.128 - 83.138.131.135)
83.138.131.160/29 (83.138.131.160 - 83.138.131.167)
83.138.131.176/28 (83.138.131.176 - 83.138.131.191)
83.138.131.192/26 (83.138.131.192 - 83.138.131.255)
83.138.132.0/26 (83.138.132.0 - 83.138.132.63)
83.138.132.64/26 (83.138.132.64 - 83.138.132.127)
83.138.132.128/26 (83.138.132.128 - 83.138.132.191)
83.138.132.192/26 (83.138.132.192 - 83.138.132.255)
83.138.133.0/28 (83.138.133.0 - 83.138.133.15)
83.138.133.16/29 (83.138.133.16 - 83.138.133.23)
83.138.133.48/29 (83.138.133.48 - 83.138.133.55)
83.138.133.56/29 (83.138.133.56 - 83.138.133.63)
83.138.133.72/29 (83.138.133.72 - 83.138.133.79)
83.138.133.80/29 (83.138.133.80 - 83.138.133.87)
83.138.133.96/28 (83.138.133.96 - 83.138.133.111)
83.138.133.120/29 (83.138.133.120 - 83.138.133.127)
83.138.133.128/28 (83.138.133.128 - 83.138.133.143)
83.138.133.144/29 (83.138.133.144 - 83.138.133.151)
83.138.133.176/28 (83.138.133.176 - 83.138.133.191)
83.138.133.192/26 (83.138.133.192 - 83.138.133.255)
83.138.134.0/26 (83.138.134.0 - 83.138.134.63)
83.138.134.64/26 (83.138.134.64 - 83.138.134.127)
83.138.134.128/26 (83.138.134.128 - 83.138.134.191)
83.138.134.192/26 (83.138.134.192 - 83.138.134.255)
83.138.135.8/29 (83.138.135.8 - 83.138.135.15)
83.138.135.16/28 (83.138.135.16 - 83.138.135.31)
83.138.135.32/29 (83.138.135.32 - 83.138.135.39)
83.138.135.56/29 (83.138.135.56 - 83.138.135.63)
83.138.135.80/28 (83.138.135.80 - 83.138.135.95)
83.138.135.96/28 (83.138.135.96 - 83.138.135.111)
83.138.135.160/31 (83.138.135.160 - 83.138.135.161)
83.138.135.168/29 (83.138.135.168 - 83.138.135.175)
83.138.135.176/29 (83.138.135.176 - 83.138.135.183)
83.138.135.200/29 (83.138.135.200 - 83.138.135.207)
83.138.135.208/29 (83.138.135.208 - 83.138.135.215)
83.138.135.224/29 (83.138.135.224 - 83.138.135.231)
83.138.135.232/29 (83.138.135.232 - 83.138.135.239)
83.138.135.248/29 (83.138.135.248 - 83.138.135.255)
83.138.136.0/29 (83.138.136.0 - 83.138.136.7)
83.138.136.32/29 (83.138.136.32 - 83.138.136.39)
83.138.136.96/28 (83.138.136.96 - 83.138.136.111)
83.138.136.112/29 (83.138.136.112 - 83.138.136.119)
83.138.136.120/29 (83.138.136.120 - 83.138.136.127)
83.138.136.128/27 (83.138.136.128 - 83.138.136.159)
83.138.136.184/29 (83.138.136.184 - 83.138.136.191)
83.138.136.224/28 (83.138.136.224 - 83.138.136.239)
83.138.136.240/28 (83.138.136.240 - 83.138.136.255)
83.138.137.8/29 (83.138.137.8 - 83.138.137.15)
83.138.137.16/28 (83.138.137.16 - 83.138.137.31)
83.138.137.32/29 (83.138.137.32 - 83.138.137.39)
83.138.137.40/29 (83.138.137.40 - 83.138.137.47)
83.138.137.64/28 (83.138.137.64 - 83.138.137.79)
83.138.137.136/29 (83.138.137.136 - 83.138.137.143)
83.138.137.152/29 (83.138.137.152 - 83.138.137.159)
83.138.137.160/28 (83.138.137.160 - 83.138.137.175)
83.138.137.176/29 (83.138.137.176 - 83.138.137.183)
83.138.137.184/29 (83.138.137.184 - 83.138.137.191)
83.138.137.192/29 (83.138.137.192 - 83.138.137.199)
83.138.137.200/29 (83.138.137.200 - 83.138.137.207)
83.138.137.224/28 (83.138.137.224 - 83.138.137.239)
83.138.137.248/29 (83.138.137.248 - 83.138.137.255)
83.138.138.0/27 (83.138.138.0 - 83.138.138.31)
83.138.138.66/31 (83.138.138.66 - 83.138.138.67)
83.138.138.68/31 (83.138.138.68 - 83.138.138.69)
83.138.138.72/31 (83.138.138.72 - 83.138.138.73)
83.138.138.82/31 (83.138.138.82 - 83.138.138.83)
83.138.138.84/31 (83.138.138.84 - 83.138.138.85)
83.138.138.90/31 (83.138.138.90 - 83.138.138.91)
83.138.138.94/31 (83.138.138.94 - 83.138.138.95)
83.138.138.96/31 (83.138.138.96 - 83.138.138.97)
83.138.138.102/31 (83.138.138.102 - 83.138.138.103)
83.138.138.104/31 (83.138.138.104 - 83.138.138.105)
83.138.138.116/31 (83.138.138.116 - 83.138.138.117)
83.138.138.118/31 (83.138.138.118 - 83.138.138.119)
83.138.138.120/29 (83.138.138.120 - 83.138.138.127)
83.138.138.168/29 (83.138.138.168 - 83.138.138.175)
83.138.138.216/31 (83.138.138.216 - 83.138.138.217)
Delegated Prefix
83.138.128.0/18 (83.138.128.0 - 83.138.191.255)

These results are partial. Additional registration records were omitted.

BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
83.138.128.0/18 Exact AS15395 Rackspace Ltd. United Kingdom of Great Britain and Northern Ireland (GB) 83.138.128.0 83.138.191.255