IPv4 prefix

83.64.0.0/15

IP Prefix (CIDR): 83.64.0.0/15
Subnet Mask: 255.254.0.0
Address Count: 131,072
IP Range: 83.64.0.0 - 83.65.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: T-Mobile Austria GmbH
Handle: ORG-iI1-RIPE
Country: Austria (AT)
Address: Rennweg 97-99 1030 Vienna AUSTRIA
Registry: RIPENCC
Registered Prefix: 83.64.0.0/15 (83.64.0.0 - 83.65.255.255)

Registration 2 of 2

Handle: PRIO-MNT
Country: Austria (AT)
Registry: RIPENCC
Registered Prefixes: 83.64.0.0/29 (83.64.0.0 - 83.64.0.7)
83.64.0.32/29 (83.64.0.32 - 83.64.0.39)
83.64.0.40/29 (83.64.0.40 - 83.64.0.47)
83.64.0.60/30 (83.64.0.60 - 83.64.0.63)
83.64.0.64/29 (83.64.0.64 - 83.64.0.71)
83.64.0.72/29 (83.64.0.72 - 83.64.0.79)
83.64.0.80/29 (83.64.0.80 - 83.64.0.87)
83.64.0.88/29 (83.64.0.88 - 83.64.0.95)
83.64.0.96/29 (83.64.0.96 - 83.64.0.103)
83.64.0.112/29 (83.64.0.112 - 83.64.0.119)
83.64.0.120/29 (83.64.0.120 - 83.64.0.127)
83.64.0.128/29 (83.64.0.128 - 83.64.0.135)
83.64.0.136/29 (83.64.0.136 - 83.64.0.143)
83.64.0.144/29 (83.64.0.144 - 83.64.0.151)
83.64.0.152/29 (83.64.0.152 - 83.64.0.159)
83.64.0.160/28 (83.64.0.160 - 83.64.0.175)
83.64.0.176/29 (83.64.0.176 - 83.64.0.183)
83.64.0.184/29 (83.64.0.184 - 83.64.0.191)
83.64.0.192/29 (83.64.0.192 - 83.64.0.199)
83.64.0.200/29 (83.64.0.200 - 83.64.0.207)
83.64.0.208/29 (83.64.0.208 - 83.64.0.215)
83.64.0.216/29 (83.64.0.216 - 83.64.0.223)
83.64.0.224/28 (83.64.0.224 - 83.64.0.239)
83.64.0.240/29 (83.64.0.240 - 83.64.0.247)
83.64.0.248/29 (83.64.0.248 - 83.64.0.255)
83.64.1.0/29 (83.64.1.0 - 83.64.1.7)
83.64.1.8/29 (83.64.1.8 - 83.64.1.15)
83.64.1.16/29 (83.64.1.16 - 83.64.1.23)
83.64.1.24/29 (83.64.1.24 - 83.64.1.31)
83.64.1.32/29 (83.64.1.32 - 83.64.1.39)
83.64.1.40/29 (83.64.1.40 - 83.64.1.47)
83.64.1.48/29 (83.64.1.48 - 83.64.1.55)
83.64.1.72/29 (83.64.1.72 - 83.64.1.79)
83.64.1.88/29 (83.64.1.88 - 83.64.1.95)
83.64.1.96/29 (83.64.1.96 - 83.64.1.103)
83.64.1.112/29 (83.64.1.112 - 83.64.1.119)
83.64.1.120/29 (83.64.1.120 - 83.64.1.127)
83.64.1.128/29 (83.64.1.128 - 83.64.1.135)
83.64.1.136/29 (83.64.1.136 - 83.64.1.143)
83.64.1.144/29 (83.64.1.144 - 83.64.1.151)
83.64.1.160/29 (83.64.1.160 - 83.64.1.167)
83.64.1.168/29 (83.64.1.168 - 83.64.1.175)
83.64.1.176/29 (83.64.1.176 - 83.64.1.183)
83.64.1.184/29 (83.64.1.184 - 83.64.1.191)
83.64.1.192/29 (83.64.1.192 - 83.64.1.199)
83.64.1.200/29 (83.64.1.200 - 83.64.1.207)
83.64.1.208/29 (83.64.1.208 - 83.64.1.215)
83.64.1.216/29 (83.64.1.216 - 83.64.1.223)
83.64.1.224/29 (83.64.1.224 - 83.64.1.231)
83.64.1.248/29 (83.64.1.248 - 83.64.1.255)
83.64.2.0/30 (83.64.2.0 - 83.64.2.3)
83.64.2.4/30 (83.64.2.4 - 83.64.2.7)
83.64.2.8/30 (83.64.2.8 - 83.64.2.11)
83.64.2.16/30 (83.64.2.16 - 83.64.2.19)
83.64.2.24/30 (83.64.2.24 - 83.64.2.27)
83.64.2.28/30 (83.64.2.28 - 83.64.2.31)
83.64.2.32/29 (83.64.2.32 - 83.64.2.39)
83.64.2.40/29 (83.64.2.40 - 83.64.2.47)
83.64.2.48/30 (83.64.2.48 - 83.64.2.51)
83.64.2.52/30 (83.64.2.52 - 83.64.2.55)
83.64.2.60/30 (83.64.2.60 - 83.64.2.63)
83.64.2.64/27 (83.64.2.64 - 83.64.2.95)
83.64.2.96/30 (83.64.2.96 - 83.64.2.99)
83.64.2.100/30 (83.64.2.100 - 83.64.2.103)
83.64.2.104/30 (83.64.2.104 - 83.64.2.107)
83.64.2.112/30 (83.64.2.112 - 83.64.2.115)
83.64.2.116/30 (83.64.2.116 - 83.64.2.119)
83.64.2.120/29 (83.64.2.120 - 83.64.2.127)
83.64.2.128/30 (83.64.2.128 - 83.64.2.131)
83.64.2.132/30 (83.64.2.132 - 83.64.2.135)
83.64.2.136/30 (83.64.2.136 - 83.64.2.139)
83.64.2.140/30 (83.64.2.140 - 83.64.2.143)
83.64.2.144/29 (83.64.2.144 - 83.64.2.151)
83.64.2.152/30 (83.64.2.152 - 83.64.2.155)
83.64.2.156/30 (83.64.2.156 - 83.64.2.159)
83.64.2.160/29 (83.64.2.160 - 83.64.2.167)
83.64.2.168/29 (83.64.2.168 - 83.64.2.175)
83.64.2.176/29 (83.64.2.176 - 83.64.2.183)
83.64.2.184/29 (83.64.2.184 - 83.64.2.191)
83.64.2.192/30 (83.64.2.192 - 83.64.2.195)
83.64.2.196/30 (83.64.2.196 - 83.64.2.199)
83.64.2.200/29 (83.64.2.200 - 83.64.2.207)
83.64.2.208/30 (83.64.2.208 - 83.64.2.211)
83.64.2.212/30 (83.64.2.212 - 83.64.2.215)
83.64.2.216/30 (83.64.2.216 - 83.64.2.219)
83.64.2.220/30 (83.64.2.220 - 83.64.2.223)
83.64.2.224/30 (83.64.2.224 - 83.64.2.227)
83.64.2.228/30 (83.64.2.228 - 83.64.2.231)
83.64.2.232/30 (83.64.2.232 - 83.64.2.235)
83.64.2.236/30 (83.64.2.236 - 83.64.2.239)
83.64.2.240/30 (83.64.2.240 - 83.64.2.243)
83.64.2.244/30 (83.64.2.244 - 83.64.2.247)
83.64.2.248/30 (83.64.2.248 - 83.64.2.251)
83.64.2.252/30 (83.64.2.252 - 83.64.2.255)
83.64.3.0/25 (83.64.3.0 - 83.64.3.127)
83.64.3.128/25 (83.64.3.128 - 83.64.3.255)
83.64.4.0/29 (83.64.4.0 - 83.64.4.7)
83.64.4.8/29 (83.64.4.8 - 83.64.4.15)
83.64.4.16/29 (83.64.4.16 - 83.64.4.23)
Delegated Prefix: 83.64.0.0/15 (83.64.0.0 - 83.65.255.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
83.64.0.0/15	Exact	AS8412	T-Mobile Austria GmbH	Austria (AT)	83.64.0.0	83.65.255.255