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IPv4 prefix

178.255.96.0/21

IP Prefix (CIDR)
178.255.96.0/21
Subnet Mask
255.255.248.0
Address Count
2,048
IP Range
178.255.96.0 - 178.255.103.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
Internet Assigned Numbers Authority
Handle
IANA1-AP
Country
Australia (AU)
Address
see http://www.iana.org.
Registry
APNIC
Registered Prefix
178.0.0.0/8 (178.0.0.0 - 178.255.255.255)
Delegated Prefix
178.107.128.0/17 (178.107.128.0 - 178.107.255.255)
Registration 2 of 2
Handle
HEXATOM-MNT
Country
France (FR)
Registry
RIPENCC
Registered Prefixes
178.255.96.0/27 (178.255.96.0 - 178.255.96.31)
178.255.96.32/27 (178.255.96.32 - 178.255.96.63)
178.255.96.64/26 (178.255.96.64 - 178.255.96.127)
178.255.96.128/25 (178.255.96.128 - 178.255.96.255)
178.255.97.16/28 (178.255.97.16 - 178.255.97.31)
178.255.97.32/29 (178.255.97.32 - 178.255.97.39)
178.255.97.40/30 (178.255.97.40 - 178.255.97.43)
178.255.97.44/31 (178.255.97.44 - 178.255.97.45)
178.255.97.46/31 (178.255.97.46 - 178.255.97.47)
178.255.97.48/28 (178.255.97.48 - 178.255.97.63)
178.255.97.64/27 (178.255.97.64 - 178.255.97.95)
178.255.97.96/28 (178.255.97.96 - 178.255.97.111)
178.255.97.112/28 (178.255.97.112 - 178.255.97.127)
178.255.97.128/27 (178.255.97.128 - 178.255.97.159)
178.255.97.160/28 (178.255.97.160 - 178.255.97.175)
178.255.97.176/30 (178.255.97.176 - 178.255.97.179)
178.255.97.180/31 (178.255.97.180 - 178.255.97.181)
178.255.97.182/31 (178.255.97.182 - 178.255.97.183)
178.255.97.184/30 (178.255.97.184 - 178.255.97.187)
178.255.97.188/31 (178.255.97.188 - 178.255.97.189)
178.255.97.190/32 (178.255.97.190 - 178.255.97.190)
178.255.97.191/32 (178.255.97.191 - 178.255.97.191)
178.255.97.192/30 (178.255.97.192 - 178.255.97.195)
178.255.97.196/32 (178.255.97.196 - 178.255.97.196)
178.255.97.197/32 (178.255.97.197 - 178.255.97.197)
178.255.97.198/31 (178.255.97.198 - 178.255.97.199)
178.255.97.200/29 (178.255.97.200 - 178.255.97.207)
178.255.97.208/29 (178.255.97.208 - 178.255.97.215)
178.255.97.216/29 (178.255.97.216 - 178.255.97.223)
178.255.97.224/27 (178.255.97.224 - 178.255.97.255)
178.255.98.0/30 (178.255.98.0 - 178.255.98.3)
178.255.98.4/32 (178.255.98.4 - 178.255.98.4)
178.255.98.64/27 (178.255.98.64 - 178.255.98.95)
178.255.98.96/30 (178.255.98.96 - 178.255.98.99)
178.255.98.100/32 (178.255.98.100 - 178.255.98.100)
178.255.98.101/32 (178.255.98.101 - 178.255.98.101)
178.255.98.102/31 (178.255.98.102 - 178.255.98.103)
178.255.98.104/29 (178.255.98.104 - 178.255.98.111)
178.255.98.112/30 (178.255.98.112 - 178.255.98.115)
178.255.98.116/32 (178.255.98.116 - 178.255.98.116)
178.255.98.117/32 (178.255.98.117 - 178.255.98.117)
178.255.98.118/31 (178.255.98.118 - 178.255.98.119)
178.255.98.120/30 (178.255.98.120 - 178.255.98.123)
178.255.98.124/32 (178.255.98.124 - 178.255.98.124)
178.255.98.127/32 (178.255.98.127 - 178.255.98.127)
178.255.98.128/32 (178.255.98.128 - 178.255.98.128)
178.255.98.129/32 (178.255.98.129 - 178.255.98.129)
178.255.98.130/31 (178.255.98.130 - 178.255.98.131)
178.255.98.132/32 (178.255.98.132 - 178.255.98.132)
178.255.98.133/32 (178.255.98.133 - 178.255.98.133)
178.255.98.134/31 (178.255.98.134 - 178.255.98.135)
178.255.98.136/32 (178.255.98.136 - 178.255.98.136)
178.255.98.137/32 (178.255.98.137 - 178.255.98.137)
178.255.98.138/32 (178.255.98.138 - 178.255.98.138)
178.255.98.139/32 (178.255.98.139 - 178.255.98.139)
178.255.98.140/31 (178.255.98.140 - 178.255.98.141)
178.255.98.142/32 (178.255.98.142 - 178.255.98.142)
178.255.98.143/32 (178.255.98.143 - 178.255.98.143)
178.255.98.144/32 (178.255.98.144 - 178.255.98.144)
178.255.98.145/32 (178.255.98.145 - 178.255.98.145)
178.255.98.147/32 (178.255.98.147 - 178.255.98.147)
178.255.98.148/32 (178.255.98.148 - 178.255.98.148)
178.255.98.149/32 (178.255.98.149 - 178.255.98.149)
178.255.98.150/32 (178.255.98.150 - 178.255.98.150)
178.255.98.151/32 (178.255.98.151 - 178.255.98.151)
178.255.98.152/32 (178.255.98.152 - 178.255.98.152)
178.255.98.154/32 (178.255.98.154 - 178.255.98.154)
178.255.98.158/31 (178.255.98.158 - 178.255.98.159)
178.255.98.192/26 (178.255.98.192 - 178.255.98.255)
178.255.99.6/32 (178.255.99.6 - 178.255.99.6)
178.255.99.11/32 (178.255.99.11 - 178.255.99.11)
178.255.99.12/30 (178.255.99.12 - 178.255.99.15)
178.255.99.16/30 (178.255.99.16 - 178.255.99.19)
178.255.99.20/30 (178.255.99.20 - 178.255.99.23)
178.255.99.24/29 (178.255.99.24 - 178.255.99.31)
178.255.99.32/29 (178.255.99.32 - 178.255.99.39)
178.255.99.40/30 (178.255.99.40 - 178.255.99.43)
178.255.99.44/30 (178.255.99.44 - 178.255.99.47)
178.255.99.48/29 (178.255.99.48 - 178.255.99.55)
178.255.99.56/30 (178.255.99.56 - 178.255.99.59)
178.255.99.60/31 (178.255.99.60 - 178.255.99.61)
178.255.99.62/32 (178.255.99.62 - 178.255.99.62)
178.255.99.64/28 (178.255.99.64 - 178.255.99.79)
178.255.99.96/28 (178.255.99.96 - 178.255.99.111)
178.255.99.112/29 (178.255.99.112 - 178.255.99.119)
178.255.99.128/26 (178.255.99.128 - 178.255.99.191)
178.255.99.192/28 (178.255.99.192 - 178.255.99.207)
178.255.99.208/29 (178.255.99.208 - 178.255.99.215)
178.255.99.216/29 (178.255.99.216 - 178.255.99.223)
178.255.99.224/29 (178.255.99.224 - 178.255.99.231)
178.255.99.232/29 (178.255.99.232 - 178.255.99.239)
178.255.99.240/28 (178.255.99.240 - 178.255.99.255)
178.255.100.0/30 (178.255.100.0 - 178.255.100.3)
178.255.100.4/30 (178.255.100.4 - 178.255.100.7)
178.255.100.8/29 (178.255.100.8 - 178.255.100.15)
178.255.100.16/28 (178.255.100.16 - 178.255.100.31)
178.255.100.32/27 (178.255.100.32 - 178.255.100.63)
178.255.100.64/30 (178.255.100.64 - 178.255.100.67)
178.255.100.70/32 (178.255.100.70 - 178.255.100.70)
Delegated Prefix
178.255.96.0/21 (178.255.96.0 - 178.255.103.255)

These results are partial. Additional registration records were omitted.

BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
178.255.96.0/21 Exact AS51269 HEXATOM s.a.r.l. France (FR) 178.255.96.0 178.255.103.255