Autonomous System

AS20751 AZISTA GmbH

ISPActiveAustriaRIPE

AS20751 (ASN-AZISTA) is an ISP network operated by AZISTA GmbH in Austria, registered with RIPE. It has 9 IPv4 prefixes with 13,056 addresses, which makes it the 8,826th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses13,056in 9 prefixes
IPv6 prefixes0none
Size rank#8,826of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationAZISTA GmbH
AS nameASN-AZISTA
Websiteazista.net
Country Austria (AT)
Network typeISP
RegistryRIPE
Abuse contactabuse@azista.net
Registered2002-08-21
Last updated2025-12-12

IPv4 prefixes

9 prefixes · 13,056 addresses
NetworkAddressesFirst – last address
83.216.208.0/204,09683.216.208.0 – 83.216.223.255
80.64.128.0/212,04880.64.128.0 – 80.64.135.255
83.216.208.0/212,04883.216.208.0 – 83.216.215.255
80.64.136.0/221,02480.64.136.0 – 80.64.139.255
83.216.216.0/221,02483.216.216.0 – 83.216.219.255
83.216.220.0/221,02483.216.220.0 – 83.216.223.255
185.136.212.0/221,024185.136.212.0 – 185.136.215.255
195.62.26.0/23512195.62.26.0 – 195.62.27.255
78.40.213.0/2425678.40.213.0 – 78.40.213.255

IPv6 prefixes

No IPv6 prefixes.

Query AS20751 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS20751&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS20751, with or without a key:

curl "https://api.ipapi.is/?q=83.216.208.1"

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