IPv4 prefix

178.166.0.0/17

IP Prefix (CIDR): 178.166.0.0/17
Subnet Mask: 255.255.128.0
Address Count: 32,768
IP Range: 178.166.0.0 - 178.166.127.255
Subnet calculator: Calculate subnet details

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: AS12353-MNT
Country: Portugal (PT)
Registry: RIPENCC
Registered Prefixes: 178.166.0.0/19 (178.166.0.0 - 178.166.31.255)
178.166.32.0/21 (178.166.32.0 - 178.166.39.255)
178.166.40.0/21 (178.166.40.0 - 178.166.47.255)
178.166.48.0/20 (178.166.48.0 - 178.166.63.255)
178.166.64.0/28 (178.166.64.0 - 178.166.64.15)
178.166.64.16/28 (178.166.64.16 - 178.166.64.31)
178.166.64.32/28 (178.166.64.32 - 178.166.64.47)
178.166.64.48/28 (178.166.64.48 - 178.166.64.63)
178.166.64.64/29 (178.166.64.64 - 178.166.64.71)
178.166.64.72/29 (178.166.64.72 - 178.166.64.79)
178.166.64.80/28 (178.166.64.80 - 178.166.64.95)
178.166.64.96/29 (178.166.64.96 - 178.166.64.103)
178.166.64.104/29 (178.166.64.104 - 178.166.64.111)
178.166.64.112/29 (178.166.64.112 - 178.166.64.119)
178.166.64.120/29 (178.166.64.120 - 178.166.64.127)
178.166.64.128/27 (178.166.64.128 - 178.166.64.159)
178.166.64.160/29 (178.166.64.160 - 178.166.64.167)
178.166.64.168/29 (178.166.64.168 - 178.166.64.175)
178.166.64.176/28 (178.166.64.176 - 178.166.64.191)
178.166.64.192/27 (178.166.64.192 - 178.166.64.223)
178.166.64.224/27 (178.166.64.224 - 178.166.64.255)
178.166.76.0/28 (178.166.76.0 - 178.166.76.15)
178.166.76.16/29 (178.166.76.16 - 178.166.76.23)
178.166.76.24/29 (178.166.76.24 - 178.166.76.31)
178.166.76.32/27 (178.166.76.32 - 178.166.76.63)
178.166.76.64/29 (178.166.76.64 - 178.166.76.71)
178.166.76.72/29 (178.166.76.72 - 178.166.76.79)
178.166.76.80/29 (178.166.76.80 - 178.166.76.87)
178.166.76.88/29 (178.166.76.88 - 178.166.76.95)
178.166.76.96/28 (178.166.76.96 - 178.166.76.111)
178.166.76.112/28 (178.166.76.112 - 178.166.76.127)
178.166.76.128/29 (178.166.76.128 - 178.166.76.135)
178.166.76.136/29 (178.166.76.136 - 178.166.76.143)
178.166.76.144/29 (178.166.76.144 - 178.166.76.151)
178.166.76.152/29 (178.166.76.152 - 178.166.76.159)
178.166.76.160/27 (178.166.76.160 - 178.166.76.191)
178.166.76.192/29 (178.166.76.192 - 178.166.76.199)
178.166.76.200/29 (178.166.76.200 - 178.166.76.207)
178.166.76.208/28 (178.166.76.208 - 178.166.76.223)
178.166.76.224/30 (178.166.76.224 - 178.166.76.227)
178.166.76.228/30 (178.166.76.228 - 178.166.76.231)
178.166.76.232/29 (178.166.76.232 - 178.166.76.239)
178.166.76.240/29 (178.166.76.240 - 178.166.76.247)
178.166.76.248/29 (178.166.76.248 - 178.166.76.255)
178.166.96.0/19 (178.166.96.0 - 178.166.127.255)
Delegated Prefix: 178.166.0.0/17 (178.166.0.0 - 178.166.127.255)

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
178.166.0.0/17	Exact	AS12353	Vodafone Portugal - Communicacoes Pessoais S.A.	Portugal (PT)	178.166.0.0	178.166.127.255