IPv4 prefix

83.0.0.0/11

IP Prefix (CIDR): 83.0.0.0/11
Subnet Mask: 255.224.0.0
Address Count: 2,097,152
IP Range: 83.0.0.0 - 83.31.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry: RIPENCC
Registered Prefix: 83.0.0.0/8 (83.0.0.0 - 83.255.255.255)
Delegated Prefix: 83.97.73.0/24 (83.97.73.0 - 83.97.73.255)

Registration 2 of 2

Owner: Orange Polska Spolka Akcyjna
Handle: ORG-PT1-RIPE
Country: Poland (PL)
Address: Al. Jerozolimskie 160 02-326 Warszawa POLAND
Registry: RIPENCC
Registered Prefixes: 83.0.0.0/21 (83.0.0.0 - 83.0.7.255)
83.0.8.0/24 (83.0.8.0 - 83.0.8.255)
83.0.9.0/24 (83.0.9.0 - 83.0.9.255)
83.0.10.0/24 (83.0.10.0 - 83.0.10.255)
83.0.11.0/24 (83.0.11.0 - 83.0.11.255)
83.0.12.0/24 (83.0.12.0 - 83.0.12.255)
83.0.13.0/32 (83.0.13.0 - 83.0.13.0)
83.0.14.0/32 (83.0.14.0 - 83.0.14.0)
83.0.15.0/32 (83.0.15.0 - 83.0.15.0)
83.0.16.0/32 (83.0.16.0 - 83.0.16.0)
83.0.128.0/30 (83.0.128.0 - 83.0.128.3)
83.0.128.4/30 (83.0.128.4 - 83.0.128.7)
83.0.128.8/30 (83.0.128.8 - 83.0.128.11)
83.0.128.12/30 (83.0.128.12 - 83.0.128.15)
83.0.128.16/29 (83.0.128.16 - 83.0.128.23)
83.0.128.24/29 (83.0.128.24 - 83.0.128.31)
83.0.128.32/30 (83.0.128.32 - 83.0.128.35)
83.0.128.36/30 (83.0.128.36 - 83.0.128.39)
83.0.128.40/30 (83.0.128.40 - 83.0.128.43)
83.0.128.44/30 (83.0.128.44 - 83.0.128.47)
83.0.128.48/29 (83.0.128.48 - 83.0.128.55)
83.0.128.56/30 (83.0.128.56 - 83.0.128.59)
83.0.128.60/30 (83.0.128.60 - 83.0.128.63)
83.0.128.64/29 (83.0.128.64 - 83.0.128.71)
83.0.128.72/29 (83.0.128.72 - 83.0.128.79)
83.0.128.80/29 (83.0.128.80 - 83.0.128.87)
83.0.128.88/30 (83.0.128.88 - 83.0.128.91)
83.0.128.92/30 (83.0.128.92 - 83.0.128.95)
83.0.128.96/29 (83.0.128.96 - 83.0.128.103)
83.0.128.104/30 (83.0.128.104 - 83.0.128.107)
83.0.128.108/30 (83.0.128.108 - 83.0.128.111)
83.0.128.112/29 (83.0.128.112 - 83.0.128.119)
83.0.128.120/29 (83.0.128.120 - 83.0.128.127)
83.0.128.128/29 (83.0.128.128 - 83.0.128.135)
83.0.128.136/29 (83.0.128.136 - 83.0.128.143)
83.0.128.144/30 (83.0.128.144 - 83.0.128.147)
83.0.128.148/30 (83.0.128.148 - 83.0.128.151)
83.0.128.152/30 (83.0.128.152 - 83.0.128.155)
83.0.128.156/30 (83.0.128.156 - 83.0.128.159)
83.0.128.160/29 (83.0.128.160 - 83.0.128.167)
83.0.128.168/30 (83.0.128.168 - 83.0.128.171)
83.0.128.172/30 (83.0.128.172 - 83.0.128.175)
83.0.128.176/29 (83.0.128.176 - 83.0.128.183)
83.0.128.184/29 (83.0.128.184 - 83.0.128.191)
83.0.128.192/29 (83.0.128.192 - 83.0.128.199)
83.0.128.208/30 (83.0.128.208 - 83.0.128.211)
83.0.128.212/30 (83.0.128.212 - 83.0.128.215)
83.0.128.216/29 (83.0.128.216 - 83.0.128.223)
83.0.128.224/29 (83.0.128.224 - 83.0.128.231)
83.0.128.232/29 (83.0.128.232 - 83.0.128.239)
83.0.128.240/29 (83.0.128.240 - 83.0.128.247)
83.0.128.248/29 (83.0.128.248 - 83.0.128.255)
83.0.129.0/30 (83.0.129.0 - 83.0.129.3)
83.0.129.4/30 (83.0.129.4 - 83.0.129.7)
83.0.129.8/29 (83.0.129.8 - 83.0.129.15)
83.0.129.16/29 (83.0.129.16 - 83.0.129.23)
83.0.129.24/30 (83.0.129.24 - 83.0.129.27)
83.0.129.28/30 (83.0.129.28 - 83.0.129.31)
83.0.129.32/29 (83.0.129.32 - 83.0.129.39)
83.0.129.40/29 (83.0.129.40 - 83.0.129.47)
83.0.129.48/29 (83.0.129.48 - 83.0.129.55)
83.0.129.56/29 (83.0.129.56 - 83.0.129.63)
83.0.129.64/30 (83.0.129.64 - 83.0.129.67)
83.0.129.68/30 (83.0.129.68 - 83.0.129.71)
83.0.129.72/29 (83.0.129.72 - 83.0.129.79)
83.0.129.88/29 (83.0.129.88 - 83.0.129.95)
83.0.129.96/29 (83.0.129.96 - 83.0.129.103)
83.0.129.104/29 (83.0.129.104 - 83.0.129.111)
83.0.129.136/29 (83.0.129.136 - 83.0.129.143)
83.0.129.144/29 (83.0.129.144 - 83.0.129.151)
83.0.129.152/29 (83.0.129.152 - 83.0.129.159)
83.0.129.160/29 (83.0.129.160 - 83.0.129.167)
83.0.129.176/30 (83.0.129.176 - 83.0.129.179)
83.0.129.180/30 (83.0.129.180 - 83.0.129.183)
83.0.129.184/29 (83.0.129.184 - 83.0.129.191)
83.0.129.192/30 (83.0.129.192 - 83.0.129.195)
83.0.129.196/30 (83.0.129.196 - 83.0.129.199)
83.0.129.212/30 (83.0.129.212 - 83.0.129.215)
83.0.129.216/29 (83.0.129.216 - 83.0.129.223)
83.0.129.224/29 (83.0.129.224 - 83.0.129.231)
83.0.129.244/30 (83.0.129.244 - 83.0.129.247)
83.0.129.248/29 (83.0.129.248 - 83.0.129.255)
83.0.130.0/30 (83.0.130.0 - 83.0.130.3)
83.0.130.4/30 (83.0.130.4 - 83.0.130.7)
83.0.130.8/29 (83.0.130.8 - 83.0.130.15)
83.0.130.16/30 (83.0.130.16 - 83.0.130.19)
83.0.130.20/30 (83.0.130.20 - 83.0.130.23)
83.0.130.24/29 (83.0.130.24 - 83.0.130.31)
83.0.130.32/29 (83.0.130.32 - 83.0.130.39)
83.0.130.40/29 (83.0.130.40 - 83.0.130.47)
83.0.130.48/29 (83.0.130.48 - 83.0.130.55)
83.0.130.56/29 (83.0.130.56 - 83.0.130.63)
83.0.130.64/30 (83.0.130.64 - 83.0.130.67)
83.0.130.72/30 (83.0.130.72 - 83.0.130.75)
83.0.130.76/30 (83.0.130.76 - 83.0.130.79)
83.0.130.80/30 (83.0.130.80 - 83.0.130.83)
83.0.130.96/30 (83.0.130.96 - 83.0.130.99)
83.0.130.100/30 (83.0.130.100 - 83.0.130.103)
83.0.130.104/29 (83.0.130.104 - 83.0.130.111)
Delegated Prefix: 83.0.0.0/11 (83.0.0.0 - 83.31.255.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
83.0.0.0/11	Exact	AS5617	Orange Polska Spolka Akcyjna	Poland (PL)	83.0.0.0	83.31.255.255
83.2.0.0/20	More specific	AS29535	Orange Polska Spolka Akcyjna	Poland (PL)	83.2.0.0	83.2.15.255
83.2.56.0/22	More specific	AS29535	Orange Polska Spolka Akcyjna	Poland (PL)	83.2.56.0	83.2.59.255