IP lookup
IP lookup: 128.138.136.14
128.138.136.14 is operated by University of Colorado at Boulder (AS104), located in Boulder, Colorado, United States, reverse DNS ciresgroups.colorado.edu, hosts 7 known domains
IP Address128.138.136.14
Reverse DNSciresgroups.colorado.edu
Location📍 Boulder, Colorado 🇺🇸 United States (±10 km)
TimezoneAmerica/Denver
ISP / ASNAS104 University of Colorado at Boulder
ReputationClean
Domains hosted on this IP
datapuzzles.org.org registry
engageclimatescience.org.org registry
esiil.org.org registry
nc-riscc.org.org registry
nna-co.org.org registry
psecco.org.org registry
engageclimatescience.com.com registry
Known domains: the Tranco top 1M (most popular sites worldwide), the sites most visited in 238 countries (Chrome UX Report), every active .fr domain (AFNIC open data), every .nu, .ee, .se, .ch, .li, .sk domain (registry zone files), every domain of 1021 generic TLDs such as .org, .pro, .cloud (ICANN CZDS zone files) and domains seen in new certificates (Certificate Transparency logs, .com and .net included, collected since 30 September 2026), resolved regularly — updated continuously, last update 2026-10-09. Not exhaustive: other sites may share this address.