IPv4 prefix

178.255.40.0/21

IP Prefix (CIDR): 178.255.40.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 178.255.40.0 - 178.255.47.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 3

Owner: Artnet Sp. z o.o.
Handle: ORG-ASzo16-RIPE
Country: Poland (PL)
Address: ul. Marynarki Polskiej 100 80-557 Gdansk POLAND
Registry: RIPENCC
Registered Prefix: 178.255.40.0/21 (178.255.40.0 - 178.255.47.255)

Registration 2 of 3

Handle: MNT-ARTNET-API
Country: Poland (PL)
Registry: RIPENCC
Registered Prefixes: 178.255.40.0/25 (178.255.40.0 - 178.255.40.127)
178.255.40.128/29 (178.255.40.128 - 178.255.40.135)
178.255.40.136/30 (178.255.40.136 - 178.255.40.139)
178.255.40.144/29 (178.255.40.144 - 178.255.40.151)
178.255.40.156/30 (178.255.40.156 - 178.255.40.159)
178.255.40.160/27 (178.255.40.160 - 178.255.40.191)
178.255.40.192/30 (178.255.40.192 - 178.255.40.195)
178.255.40.196/30 (178.255.40.196 - 178.255.40.199)
178.255.40.204/30 (178.255.40.204 - 178.255.40.207)
178.255.40.208/29 (178.255.40.208 - 178.255.40.215)
178.255.40.216/29 (178.255.40.216 - 178.255.40.223)
178.255.40.224/30 (178.255.40.224 - 178.255.40.227)
178.255.40.228/30 (178.255.40.228 - 178.255.40.231)
178.255.40.232/30 (178.255.40.232 - 178.255.40.235)
178.255.41.192/29 (178.255.41.192 - 178.255.41.199)
178.255.41.212/30 (178.255.41.212 - 178.255.41.215)
178.255.41.216/29 (178.255.41.216 - 178.255.41.223)
178.255.41.224/30 (178.255.41.224 - 178.255.41.227)
178.255.41.228/30 (178.255.41.228 - 178.255.41.231)
178.255.41.232/29 (178.255.41.232 - 178.255.41.239)
178.255.41.240/29 (178.255.41.240 - 178.255.41.247)
178.255.41.248/29 (178.255.41.248 - 178.255.41.255)
178.255.42.1/32 (178.255.42.1 - 178.255.42.1)
178.255.42.3/32 (178.255.42.3 - 178.255.42.3)
178.255.42.4/30 (178.255.42.4 - 178.255.42.7)
178.255.42.24/30 (178.255.42.24 - 178.255.42.27)
178.255.42.32/30 (178.255.42.32 - 178.255.42.35)
178.255.42.36/30 (178.255.42.36 - 178.255.42.39)
178.255.42.48/29 (178.255.42.48 - 178.255.42.55)
178.255.42.64/29 (178.255.42.64 - 178.255.42.71)
178.255.42.76/30 (178.255.42.76 - 178.255.42.79)
178.255.42.84/30 (178.255.42.84 - 178.255.42.87)
178.255.42.88/29 (178.255.42.88 - 178.255.42.95)
178.255.42.96/29 (178.255.42.96 - 178.255.42.103)
178.255.42.104/29 (178.255.42.104 - 178.255.42.111)
178.255.42.120/30 (178.255.42.120 - 178.255.42.123)
178.255.42.124/30 (178.255.42.124 - 178.255.42.127)
178.255.42.128/28 (178.255.42.128 - 178.255.42.143)
178.255.42.152/29 (178.255.42.152 - 178.255.42.159)
178.255.42.172/30 (178.255.42.172 - 178.255.42.175)
178.255.42.184/29 (178.255.42.184 - 178.255.42.191)
178.255.42.196/30 (178.255.42.196 - 178.255.42.199)
178.255.42.208/30 (178.255.42.208 - 178.255.42.211)
178.255.42.212/30 (178.255.42.212 - 178.255.42.215)
178.255.42.216/30 (178.255.42.216 - 178.255.42.219)
178.255.42.236/30 (178.255.42.236 - 178.255.42.239)
178.255.42.240/30 (178.255.42.240 - 178.255.42.243)
178.255.42.244/30 (178.255.42.244 - 178.255.42.247)
178.255.43.24/30 (178.255.43.24 - 178.255.43.27)
178.255.43.32/30 (178.255.43.32 - 178.255.43.35)
178.255.43.56/29 (178.255.43.56 - 178.255.43.63)
178.255.43.64/29 (178.255.43.64 - 178.255.43.71)
178.255.43.72/30 (178.255.43.72 - 178.255.43.75)
178.255.43.76/30 (178.255.43.76 - 178.255.43.79)
178.255.43.84/30 (178.255.43.84 - 178.255.43.87)
178.255.43.88/30 (178.255.43.88 - 178.255.43.91)
178.255.43.92/30 (178.255.43.92 - 178.255.43.95)
178.255.43.100/30 (178.255.43.100 - 178.255.43.103)
178.255.43.120/30 (178.255.43.120 - 178.255.43.123)
178.255.43.128/29 (178.255.43.128 - 178.255.43.135)
178.255.43.144/29 (178.255.43.144 - 178.255.43.151)
178.255.43.160/29 (178.255.43.160 - 178.255.43.167)
178.255.43.188/30 (178.255.43.188 - 178.255.43.191)
178.255.43.216/29 (178.255.43.216 - 178.255.43.223)
178.255.43.232/29 (178.255.43.232 - 178.255.43.239)
178.255.43.240/30 (178.255.43.240 - 178.255.43.243)
178.255.43.248/30 (178.255.43.248 - 178.255.43.251)
178.255.43.252/30 (178.255.43.252 - 178.255.43.255)
178.255.44.8/30 (178.255.44.8 - 178.255.44.11)
178.255.44.12/30 (178.255.44.12 - 178.255.44.15)
178.255.44.28/30 (178.255.44.28 - 178.255.44.31)
178.255.44.32/29 (178.255.44.32 - 178.255.44.39)
178.255.44.44/30 (178.255.44.44 - 178.255.44.47)
178.255.44.48/28 (178.255.44.48 - 178.255.44.63)
178.255.44.72/29 (178.255.44.72 - 178.255.44.79)
178.255.44.84/30 (178.255.44.84 - 178.255.44.87)
178.255.44.88/30 (178.255.44.88 - 178.255.44.91)
178.255.44.96/29 (178.255.44.96 - 178.255.44.103)
178.255.44.108/30 (178.255.44.108 - 178.255.44.111)
178.255.44.112/29 (178.255.44.112 - 178.255.44.119)
178.255.44.124/30 (178.255.44.124 - 178.255.44.127)
178.255.44.128/29 (178.255.44.128 - 178.255.44.135)
178.255.44.136/29 (178.255.44.136 - 178.255.44.143)
178.255.44.144/30 (178.255.44.144 - 178.255.44.147)
178.255.44.152/29 (178.255.44.152 - 178.255.44.159)
178.255.44.212/30 (178.255.44.212 - 178.255.44.215)
178.255.44.216/30 (178.255.44.216 - 178.255.44.219)
178.255.44.224/30 (178.255.44.224 - 178.255.44.227)
178.255.44.232/29 (178.255.44.232 - 178.255.44.239)
178.255.44.240/30 (178.255.44.240 - 178.255.44.243)
178.255.45.32/30 (178.255.45.32 - 178.255.45.35)
178.255.45.40/29 (178.255.45.40 - 178.255.45.47)
178.255.45.48/30 (178.255.45.48 - 178.255.45.51)
178.255.45.52/30 (178.255.45.52 - 178.255.45.55)
Delegated Prefix: 178.255.40.0/21 (178.255.40.0 - 178.255.47.255)

Registration 3 of 3

Handle: MNT-ARTNET
Country: Poland (PL)
Registry: RIPENCC
Registered Prefixes: 178.255.41.0/25 (178.255.41.0 - 178.255.41.127)
178.255.41.128/26 (178.255.41.128 - 178.255.41.191)
178.255.42.0/32 (178.255.42.0 - 178.255.42.0)
178.255.42.224/29 (178.255.42.224 - 178.255.42.231)
178.255.43.152/29 (178.255.43.152 - 178.255.43.159)
Delegated Prefix: 178.255.40.0/21 (178.255.40.0 - 178.255.47.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
178.255.40.0/22	More specific	AS197155	Artnet Sp. z o.o.	Poland (PL)	178.255.40.0	178.255.43.255
178.255.44.0/23	More specific	AS197155	Artnet Sp. z o.o.	Poland (PL)	178.255.44.0	178.255.45.255
178.255.46.0/23	More specific	AS200088	Artnet Sp. z o.o.	Poland (PL)	178.255.46.0	178.255.47.255