Vultr at a Glance
| Type | VPS and cloud server provider |
|---|---|
| Website | www.vultr.com |
| Network (ASN) | AS20473 AS-VULTR |
| Announced IP space | 1,747 IPv4 prefixes (~1,485,312 addresses), 1,269 IPv6 prefixes |
| Customer nameservers | ns1.vultr.com, ns2.vultr.com |
Vultr Nameservers
To host a domain with Vultr, set these as the domain's nameservers at your registrar:
| Nameserver | IPv4 | Answered from network |
|---|---|---|
| ns1.vultr.com | 173.199.96.96 | AS20473 The Constant Company, LLC |
| ns2.vultr.com | 173.199.96.97 | AS20473 The Constant Company, LLC |
- 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 Vultr 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.
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Vultr IP Ranges and ASN
Vultr announces its address space from one autonomous system. Any website whose IP address falls in these ranges runs on Vultr's network. Counts are from the global routing table on September 25, 2026.
| ASN | Registered name | Registry | IPv4 prefixes | IPv4 addresses | IPv6 prefixes |
|---|---|---|---|---|---|
| AS20473 | AS-VULTR - The Constant Company, LLC, US | arin · since 2001 | 1,747 | 1,485,312 | 1,269 |
Largest Vultr IP blocks
44.33.0.0/16108.61.0.0/18158.247.192.0/18167.179.64.0/1845.32.32.0/1945.32.64.0/1945.32.96.0/1945.76.192.0/192a0f:3e00::/292a10:1c80::/29Look up any address in these blocks with the IP lookup or the ASN lookup.
How to Check if a Website Is Hosted on Vultr
Enter the domain in the checker at the top of this page. It names Vultr when one or more of these signals match, and lists each one as evidence:
- The site's IP address is inside AS20473, the network Vultr announces.
- The domain uses Vultr nameservers (vultr.com). This shows where DNS is managed, which is usually but not always the host.
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Vultr FAQ
What are Vultr's nameservers?
Vultr customers point their domain to ns1.vultr.com, ns2.vultr.com. Changes take up to 24–48 hours to spread through DNS.
What is Vultr's ASN?
Vultr announces its IP addresses from AS20473 (AS-VULTR, registered with ARIN).
How many IP addresses does Vultr have?
As of September 25, 2026, Vultr's network announces 1,747 IPv4 prefixes covering about 1,485,312 IPv4 addresses, plus 1,269 IPv6 prefixes (source: RIPEstat routing data).
How can I tell if a website is hosted on Vultr?
Run the domain through the hosting checker on this page. It reports Vultr when the site's IP address is inside AS20473, the network Vultr announces, and it shows every matching signal as evidence.
Is Vultr a web host or a CDN?
Vultr is a vps and cloud server provider: it provides cloud VPS, bare-metal servers, managed Kubernetes and object storage.
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Vultr is a trademark of its owner. DNS Robot is not affiliated with Vultr unless an offer above is marked sponsored.