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mersenne.org

mersenne.org is a live English-language website hosted on Isomedia, Inc. (AS30170) in the United States, served by IIS. cl0q first saw it on 2026-06-14 and last crawled it on 2026-10-11. It resolves to 209.147.127.187 and has mail (MX) records set up. We've seen one of its subdomains, listed below. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

Great Internet Mersenne Prime Search - PrimeNet

Great Internet Mersenne Prime Search - Finding world record primes since 1996. GIMPS is an organized search for Mersenne prime numbers using provided free software.

Status200 OK — live & indexed by cl0q
First seen2026-06-14
Last crawled2026-10-11
IPv4209.147.127.187
NetworkAS30170 Isomedia, Inc. · Washington
Mail (MX)mx1.forwardemail.net,mx2.forwardemail.net
Languageen
ServerMicrosoft-IIS/10.0

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