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Autonomous System

AS212772

AdGuard Software

Organization
ADGUARD AdGuard Software Limited
ASN
AS212772
Country
Cyprus
Category
DNS Resolver
Announced IPv4 prefixes
9
Announced IPv6 prefixes
5
Registry
-

By: Katia Belokon · Verified July 2026

IP Geolocation LookupWHOIS LookupVPN Leak Test

What is AS212772?

AS212772 is the autonomous system operated by AdGuard Software, registered with its regional registry. It currently announces 9 IPv4 prefixes and 5 IPv6 prefixes to the global routing table. Its addresses appear as the answering resolver in a DNS leak test rather than as a browsing IP.

Check IPs in AS212772 with MyIPScan tools

IP Geolocation LookupResolve any address to its ASN and location.WHOIS LookupRegistered CIDR block for any address.VPN Leak TestCheck whether your VPN hides your real IP.AdGuard Software IP rangesAnnounced prefixes for this network.DNS Leak TestSee which resolver answers your queries.What Is an ASN?How autonomous systems identify networks.

Frequently asked questions about AS212772

What is AS212772?

AS212772 is the autonomous system operated by AdGuard Software, registered with its regional registry. It currently announces 9 IPv4 prefixes and 5 IPv6 prefixes to the global routing table. Its addresses appear as the answering resolver in a DNS leak test rather than as a browsing IP.

Who owns AS212772?

AS212772 is held by AdGuard Software according to the RIR registry records. The registered holder name is ADGUARD AdGuard Software Limited.

Why does AS212772 appear in my DNS leak test?

AS212772 answering your DNS queries means you are using the AdGuard Software resolver. That is the expected result if you configured it deliberately and is not a leak.

How large is the AS212772 network?

AS212772 announces 9 IPv4 prefixes and 5 IPv6 prefixes. Larger blocks include 46.243.228.0/22, 45.156.136.0/22, 176.103.128.0/22.

How do I investigate IPs in AS212772?

Use the MyIPScan IP Geolocation Lookup to resolve any address to its ASN and location, and WHOIS Lookup for the registered CIDR block. Addresses in this network return AS212772 (ADGUARD AdGuard Software Limited).