Hetzner at a Glance
| Type | VPS and cloud server provider |
|---|---|
| Website | www.hetzner.com |
| Network (ASN) | AS24940 HETZNER-AS |
| Announced IP space | 91 IPv4 prefixes (~3,237,120 addresses), 5 IPv6 prefixes |
| Customer nameservers | hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de |
Hetzner Nameservers
To host a domain with Hetzner, set these as the domain's nameservers at your registrar:
| Nameserver | IPv4 | Answered from network |
|---|---|---|
| hydrogen.ns.hetzner.com | 213.133.100.98 | AS24940 Hetzner Online GmbH |
| oxygen.ns.hetzner.com | 88.198.229.192 | AS24940 Hetzner Online GmbH |
| helium.ns.hetzner.de | 193.47.99.5 | AS12337 noris network AG |
- Log in to the registrar where you bought the domain and open its DNS or nameserver settings.
- Choose custom nameservers and replace the current ones with the Hetzner nameservers above.
- Save, then wait: nameserver changes take up to 24–48 hours to spread. Follow it live with the DNS propagation checker or the NS lookup.
Advertisement
Hetzner IP Ranges and ASN
Hetzner announces its address space from one autonomous system. Any website whose IP address falls in these ranges runs on Hetzner's network. Counts are from the global routing table on September 25, 2026.
| ASN | Registered name | Registry | IPv4 prefixes | IPv4 addresses | IPv6 prefixes |
|---|---|---|---|---|---|
| AS24940 | HETZNER-AS - Hetzner Online GmbH, DE | ripencc · since 2002 | 91 | 3,237,120 | 5 |
Largest Hetzner IP blocks
46.224.0.0/1578.46.0.0/15178.104.0.0/152.28.0.0/162.29.0.0/162.31.0.0/165.9.0.0/1637.27.0.0/162a06:be80::/292a12:2240::/29Look up any address in these blocks with the IP lookup or the ASN lookup.
How to Check if a Website Is Hosted on Hetzner
Enter the domain in the checker at the top of this page. It names Hetzner when one or more of these signals match, and lists each one as evidence:
- The site's IP address is inside AS24940, the network Hetzner announces.
- The domain uses Hetzner nameservers (your-server.de, *.ns.hetzner.com, *.ns.hetzner.de, second-ns.com, second-ns.de). This shows where DNS is managed, which is usually but not always the host.
Looking for an Alternative to Hetzner?
Hetzner FAQ
What are Hetzner's nameservers?
Hetzner customers point their domain to hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de. Changes take up to 24–48 hours to spread through DNS.
What is Hetzner's ASN?
Hetzner announces its IP addresses from AS24940 (HETZNER-AS, registered with RIPENCC).
How many IP addresses does Hetzner have?
As of September 25, 2026, Hetzner's network announces 91 IPv4 prefixes covering about 3,237,120 IPv4 addresses, plus 5 IPv6 prefixes (source: RIPEstat routing data).
How can I tell if a website is hosted on Hetzner?
Run the domain through the hosting checker on this page. It reports Hetzner when the site's IP address is inside AS24940, the network Hetzner announces, and it shows every matching signal as evidence.
Is Hetzner a web host or a CDN?
Hetzner is a vps and cloud server provider: it provides cloud servers, dedicated servers, web hosting and storage.
Advertisement
Other Hosting Providers
All hosting providers and the hosting checker
Hetzner is a trademark of its owner. DNS Robot is not affiliated with Hetzner unless an offer above is marked sponsored.