IPv4 prefix

83.68.136.0/21

IP Prefix (CIDR): 83.68.136.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 83.68.136.0 - 83.68.143.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 11

Owner: Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
Handle: ORG-NLTU1-RIPE
Country: Austria (AT)
Address: Mariahilfer Guertel 37/7 A-1150 Vienna AUSTRIA
Registry: RIPENCC
Registered Prefixes: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)
83.68.136.0/29 (83.68.136.0 - 83.68.136.7)
83.68.136.8/29 (83.68.136.8 - 83.68.136.15)
83.68.136.16/28 (83.68.136.16 - 83.68.136.31)
83.68.136.32/27 (83.68.136.32 - 83.68.136.63)
83.68.136.64/29 (83.68.136.64 - 83.68.136.71)
83.68.136.72/29 (83.68.136.72 - 83.68.136.79)
83.68.136.80/29 (83.68.136.80 - 83.68.136.87)
83.68.136.88/29 (83.68.136.88 - 83.68.136.95)
83.68.136.96/29 (83.68.136.96 - 83.68.136.103)
83.68.136.112/28 (83.68.136.112 - 83.68.136.127)
83.68.136.160/30 (83.68.136.160 - 83.68.136.163)
83.68.136.164/30 (83.68.136.164 - 83.68.136.167)
83.68.136.168/29 (83.68.136.168 - 83.68.136.175)
83.68.136.176/28 (83.68.136.176 - 83.68.136.191)
83.68.136.192/29 (83.68.136.192 - 83.68.136.199)
83.68.136.208/28 (83.68.136.208 - 83.68.136.223)
83.68.136.224/27 (83.68.136.224 - 83.68.136.255)
83.68.137.8/29 (83.68.137.8 - 83.68.137.15)
83.68.137.16/28 (83.68.137.16 - 83.68.137.31)
83.68.137.72/29 (83.68.137.72 - 83.68.137.79)
83.68.137.128/29 (83.68.137.128 - 83.68.137.135)
83.68.137.160/28 (83.68.137.160 - 83.68.137.175)
83.68.137.176/30 (83.68.137.176 - 83.68.137.179)
83.68.137.180/30 (83.68.137.180 - 83.68.137.183)
83.68.137.184/30 (83.68.137.184 - 83.68.137.187)
83.68.137.188/30 (83.68.137.188 - 83.68.137.191)
83.68.137.192/26 (83.68.137.192 - 83.68.137.255)
83.68.139.0/24 (83.68.139.0 - 83.68.139.255)
83.68.141.0/25 (83.68.141.0 - 83.68.141.127)
83.68.141.128/28 (83.68.141.128 - 83.68.141.143)
83.68.141.144/30 (83.68.141.144 - 83.68.141.147)
83.68.141.148/30 (83.68.141.148 - 83.68.141.151)
83.68.141.152/29 (83.68.141.152 - 83.68.141.159)
83.68.141.160/28 (83.68.141.160 - 83.68.141.175)
83.68.141.176/28 (83.68.141.176 - 83.68.141.191)
83.68.141.216/29 (83.68.141.216 - 83.68.141.223)
83.68.141.224/27 (83.68.141.224 - 83.68.141.255)
83.68.143.0/24 (83.68.143.0 - 83.68.143.255)
Delegated Prefix: 83.68.144.0/20 (83.68.144.0 - 83.68.159.255)

Registration 2 of 11

Owner: Sustainable Energy for All
Handle: ORG-SEFA1-RIPE
Country: Austria (AT)
Address: Donau City Strasse 6 1220 Vienna Austria
Registry: RIPENCC
Registered Prefix: 83.68.136.104/29 (83.68.136.104 - 83.68.136.111)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 3 of 11

Owner: Santander Consumer Bank GmbH
Handle: ORG-SCBG1-RIPE
Country: Austria (AT)
Address: Wagramer Straße 19 1220 Wien
Registry: RIPENCC
Registered Prefix: 83.68.136.128/27 (83.68.136.128 - 83.68.136.159)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 4 of 11

Owner: STAMAG Stadlauer Malzfabrik GesmbH
Handle: ORG-SSMG2-RIPE
Country: Austria (AT)
Address: Smolagasse 1 1220 Vienna
Registry: RIPENCC
Registered Prefix: 83.68.137.32/28 (83.68.137.32 - 83.68.137.47)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 5 of 11

Owner: Kamstrup Austria GmbH
Handle: ORG-KAG3-RIPE
Country: Austria (AT)
Address: Millennium Tower 32.OG, TOP 321 Handelskai 94 - 96 1200 Wien
Registry: RIPENCC
Registered Prefix: 83.68.137.56/29 (83.68.137.56 - 83.68.137.63)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 6 of 11

Owner: Ruby Lissi Hotel
Handle: ORG-RLH1-RIPE
Country: Austria (AT)
Address: Laurenzerberg 2 1010 Vienna
Registry: RIPENCC
Registered Prefix: 83.68.137.64/29 (83.68.137.64 - 83.68.137.71)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 7 of 11

Owner: Krankenfuersorgeanstalt der Bediensteten der Stadt Wien
Handle: ORG-KDBD1-RIPE
Country: Austria (AT)
Address: Schlesingerplatz 5 1080 Wien Austria
Registry: RIPENCC
Registered Prefix: 83.68.137.80/28 (83.68.137.80 - 83.68.137.95)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 8 of 11

Owner: beyond expectations GmbH
Handle: ORG-BEG12-RIPE
Country: Austria (AT)
Address: Modecenterstrasse 22, 1030 Wien
Registry: RIPENCC
Registered Prefixes: 83.68.137.96/28 (83.68.137.96 - 83.68.137.111)
83.68.137.112/28 (83.68.137.112 - 83.68.137.127)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 9 of 11

Owner: Kempinski Das Tirol
Handle: ORG-KDTM1-RIPE
Country: Austria (AT)
Address: Kitzbüheler Straße 48 6373 Jochberg/Kitzbuehel Austria
Registry: RIPENCC
Registered Prefixes: 83.68.137.136/29 (83.68.137.136 - 83.68.137.143)
83.68.137.144/28 (83.68.137.144 - 83.68.137.159)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 10 of 11

Owner: United Nations Office at Vienna
Handle: ORG-UNOA2-RIPE
Country: Austria (AT)
Address: Vienna, Austria
Registry: RIPENCC
Registered Prefix: 83.68.138.0/24 (83.68.138.0 - 83.68.138.255)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

Registration 11 of 11

Owner: Neuhofer Holz GmbH
Handle: ORG-NHG5-RIPE
Country: Austria (AT)
Address: Haslau 56 4893 Zell am Moos Austria
Registry: RIPENCC
Registered Prefix: 83.68.142.0/24 (83.68.142.0 - 83.68.142.255)
Delegated Prefix: 83.68.136.0/21 (83.68.136.0 - 83.68.143.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
83.68.136.0/21	Exact	AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	Austria (AT)	83.68.136.0	83.68.143.255
83.68.138.0/24	More specific	AS28839	United Nations Office at Vienna	Austria (AT)	83.68.138.0	83.68.138.255
83.68.142.0/24	More specific	AS206148	Neuhofer Holz GmbH	Austria (AT)	83.68.142.0	83.68.142.255
83.68.143.0/24	More specific	AS28771	Flughafen Wien Aktiengesellschaft	Austria (AT)	83.68.143.0	83.68.143.255