IPv4 prefix

81.210.0.0/17

IP Prefix (CIDR): 81.210.0.0/17
Subnet Mask: 255.255.128.0
Address Count: 32,768
IP Range: 81.210.0.0 - 81.210.127.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 3

Owner: Netia SA
Handle: ORG-NTS2-RIPE
Country: Poland (PL)
Address: ul. Poleczki 13 02-822 Warszawa POLAND
Registry: RIPENCC
Registered Prefix: 81.210.0.0/17 (81.210.0.0 - 81.210.127.255)

Registration 2 of 3

Handle: NETIA-MNT
Country: Poland (PL)
Registry: RIPENCC
Registered Prefixes: 81.210.0.0/24 (81.210.0.0 - 81.210.0.255)
81.210.1.16/28 (81.210.1.16 - 81.210.1.31)
81.210.1.96/28 (81.210.1.96 - 81.210.1.111)
81.210.1.168/29 (81.210.1.168 - 81.210.1.175)
81.210.1.176/28 (81.210.1.176 - 81.210.1.191)
81.210.2.0/24 (81.210.2.0 - 81.210.2.255)
81.210.3.88/30 (81.210.3.88 - 81.210.3.91)
81.210.4.0/24 (81.210.4.0 - 81.210.4.255)
81.210.5.0/24 (81.210.5.0 - 81.210.5.255)
81.210.6.0/24 (81.210.6.0 - 81.210.6.255)
81.210.7.0/24 (81.210.7.0 - 81.210.7.255)
81.210.8.0/24 (81.210.8.0 - 81.210.8.255)
81.210.10.0/24 (81.210.10.0 - 81.210.10.255)
81.210.11.24/29 (81.210.11.24 - 81.210.11.31)
81.210.11.80/28 (81.210.11.80 - 81.210.11.95)
81.210.12.32/27 (81.210.12.32 - 81.210.12.63)
81.210.12.64/29 (81.210.12.64 - 81.210.12.71)
81.210.12.76/30 (81.210.12.76 - 81.210.12.79)
81.210.12.88/29 (81.210.12.88 - 81.210.12.95)
81.210.12.112/29 (81.210.12.112 - 81.210.12.119)
81.210.12.120/30 (81.210.12.120 - 81.210.12.123)
81.210.12.124/30 (81.210.12.124 - 81.210.12.127)
81.210.14.8/29 (81.210.14.8 - 81.210.14.15)
81.210.14.16/29 (81.210.14.16 - 81.210.14.23)
81.210.14.72/29 (81.210.14.72 - 81.210.14.79)
Delegated Prefix: 81.210.0.0/17 (81.210.0.0 - 81.210.127.255)

Registration 3 of 3

Handle: AS12741-MNT
Country: Poland (PL)
Registry: RIPENCC
Registered Prefixes: 81.210.1.0/29 (81.210.1.0 - 81.210.1.7)
81.210.1.8/29 (81.210.1.8 - 81.210.1.15)
81.210.1.32/29 (81.210.1.32 - 81.210.1.39)
81.210.1.40/29 (81.210.1.40 - 81.210.1.47)
81.210.1.80/29 (81.210.1.80 - 81.210.1.87)
81.210.1.88/30 (81.210.1.88 - 81.210.1.91)
81.210.1.120/29 (81.210.1.120 - 81.210.1.127)
81.210.1.128/27 (81.210.1.128 - 81.210.1.159)
81.210.1.160/29 (81.210.1.160 - 81.210.1.167)
81.210.1.192/26 (81.210.1.192 - 81.210.1.255)
81.210.3.0/29 (81.210.3.0 - 81.210.3.7)
81.210.3.16/29 (81.210.3.16 - 81.210.3.23)
81.210.3.24/29 (81.210.3.24 - 81.210.3.31)
81.210.3.32/29 (81.210.3.32 - 81.210.3.39)
81.210.3.40/30 (81.210.3.40 - 81.210.3.43)
81.210.3.52/30 (81.210.3.52 - 81.210.3.55)
81.210.3.56/29 (81.210.3.56 - 81.210.3.63)
81.210.3.80/29 (81.210.3.80 - 81.210.3.87)
81.210.3.108/30 (81.210.3.108 - 81.210.3.111)
81.210.3.112/30 (81.210.3.112 - 81.210.3.115)
81.210.3.116/30 (81.210.3.116 - 81.210.3.119)
81.210.3.120/29 (81.210.3.120 - 81.210.3.127)
81.210.3.136/29 (81.210.3.136 - 81.210.3.143)
81.210.3.160/29 (81.210.3.160 - 81.210.3.167)
81.210.3.176/29 (81.210.3.176 - 81.210.3.183)
81.210.3.192/28 (81.210.3.192 - 81.210.3.207)
81.210.3.208/29 (81.210.3.208 - 81.210.3.215)
81.210.3.240/29 (81.210.3.240 - 81.210.3.247)
81.210.9.0/29 (81.210.9.0 - 81.210.9.7)
81.210.9.8/29 (81.210.9.8 - 81.210.9.15)
81.210.9.16/28 (81.210.9.16 - 81.210.9.31)
81.210.9.96/29 (81.210.9.96 - 81.210.9.103)
81.210.9.104/29 (81.210.9.104 - 81.210.9.111)
81.210.9.112/29 (81.210.9.112 - 81.210.9.119)
81.210.9.128/30 (81.210.9.128 - 81.210.9.131)
81.210.9.144/29 (81.210.9.144 - 81.210.9.151)
81.210.9.152/29 (81.210.9.152 - 81.210.9.159)
81.210.9.168/29 (81.210.9.168 - 81.210.9.175)
81.210.9.176/29 (81.210.9.176 - 81.210.9.183)
81.210.9.184/29 (81.210.9.184 - 81.210.9.191)
81.210.9.224/27 (81.210.9.224 - 81.210.9.255)
81.210.11.0/29 (81.210.11.0 - 81.210.11.7)
81.210.11.16/29 (81.210.11.16 - 81.210.11.23)
81.210.11.36/30 (81.210.11.36 - 81.210.11.39)
81.210.11.56/29 (81.210.11.56 - 81.210.11.63)
81.210.11.64/29 (81.210.11.64 - 81.210.11.71)
81.210.11.72/29 (81.210.11.72 - 81.210.11.79)
81.210.11.96/28 (81.210.11.96 - 81.210.11.111)
81.210.11.128/27 (81.210.11.128 - 81.210.11.159)
81.210.11.192/29 (81.210.11.192 - 81.210.11.199)
81.210.11.200/29 (81.210.11.200 - 81.210.11.207)
81.210.11.208/30 (81.210.11.208 - 81.210.11.211)
81.210.11.212/30 (81.210.11.212 - 81.210.11.215)
81.210.11.216/29 (81.210.11.216 - 81.210.11.223)
81.210.11.224/30 (81.210.11.224 - 81.210.11.227)
81.210.11.232/29 (81.210.11.232 - 81.210.11.239)
81.210.11.240/29 (81.210.11.240 - 81.210.11.247)
81.210.11.248/29 (81.210.11.248 - 81.210.11.255)
81.210.12.0/27 (81.210.12.0 - 81.210.12.31)
81.210.12.72/30 (81.210.12.72 - 81.210.12.75)
81.210.12.80/29 (81.210.12.80 - 81.210.12.87)
81.210.12.96/28 (81.210.12.96 - 81.210.12.111)
81.210.12.160/27 (81.210.12.160 - 81.210.12.191)
81.210.12.192/26 (81.210.12.192 - 81.210.12.255)
81.210.13.0/24 (81.210.13.0 - 81.210.13.255)
81.210.14.0/29 (81.210.14.0 - 81.210.14.7)
81.210.14.80/29 (81.210.14.80 - 81.210.14.87)
81.210.14.96/29 (81.210.14.96 - 81.210.14.103)
81.210.14.104/29 (81.210.14.104 - 81.210.14.111)
81.210.14.120/29 (81.210.14.120 - 81.210.14.127)
81.210.14.176/29 (81.210.14.176 - 81.210.14.183)
81.210.14.192/29 (81.210.14.192 - 81.210.14.199)
81.210.14.200/29 (81.210.14.200 - 81.210.14.207)
81.210.14.208/29 (81.210.14.208 - 81.210.14.215)
Delegated Prefix: 81.210.0.0/17 (81.210.0.0 - 81.210.127.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.210.0.0/17	Exact	AS12741	Netia SA	Poland (PL)	81.210.0.0	81.210.127.255