Squarespace at a Glance
| Type | Hosted website builder |
|---|---|
| Website | www.squarespace.com |
| Network (ASN) | AS53831 SQUARESPACE |
| Announced IP space | 11 IPv4 prefixes (~2,816 addresses) |
| Customer nameservers | None: keep your DNS provider and add the records from the dashboard |
Squarespace Nameservers
Squarespace does not ask customers to move their nameservers. Your domain stays with its current DNS provider, and you point it at Squarespace with the A, AAAA or CNAME record shown in your Squarespace dashboard (CNAME targets look like *.squarespace.com). Verify the record afterwards with the DNS lookup.
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Squarespace IP Ranges and ASN
Squarespace announces its address space from one autonomous system. Any website whose IP address falls in these ranges runs on Squarespace's network. Counts are from the global routing table on September 25, 2026.
| ASN | Registered name | Registry | IPv4 prefixes | IPv4 addresses | IPv6 prefixes |
|---|---|---|---|---|---|
| AS53831 | SQUARESPACE - Squarespace, Inc., US | arin · since 2013 | 11 | 2,816 | 0 |
Largest Squarespace IP blocks
8.36.86.0/248.41.221.0/2465.39.205.0/24142.202.16.0/24142.202.17.0/24142.202.18.0/24142.202.19.0/24192.187.26.0/24Look up any address in these blocks with the IP lookup or the ASN lookup.
How to Check if a Website Is Hosted on Squarespace
Enter the domain in the checker at the top of this page. It names Squarespace when one or more of these signals match, and lists each one as evidence:
- The site's IP address is inside AS53831, the network Squarespace announces.
- The HTTP response carries a server header matching Squarespace.
- The www record is a CNAME to *.squarespace.com.
- The page is built with Squarespace, which only runs on Squarespace's own hosting.
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Squarespace FAQ
What are Squarespace's nameservers?
Squarespace does not ask customers to switch nameservers. You keep DNS at your registrar or DNS provider and add the A, AAAA or CNAME record shown in your Squarespace dashboard.
What is Squarespace's ASN?
Squarespace announces its IP addresses from AS53831 (SQUARESPACE, registered with ARIN).
How many IP addresses does Squarespace have?
As of September 25, 2026, Squarespace's network announces 11 IPv4 prefixes covering about 2,816 IPv4 addresses (source: RIPEstat routing data).
How can I tell if a website is hosted on Squarespace?
Run the domain through the hosting checker on this page. It reports Squarespace when the site's IP address is inside AS53831, the network Squarespace announces, and it shows every matching signal as evidence.
Is Squarespace a web host or a CDN?
Squarespace is a hosted website builder: it provides a hosted website builder, online stores and domains.
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Squarespace is a trademark of its owner. DNS Robot is not affiliated with Squarespace unless an offer above is marked sponsored.