<?xml version='1.0'?><?xml-stylesheet type='text/xsl' href='https://whois.arin.net/xsl/website.xsl' ?><poc xmlns="https://www.arin.net/whoisrws/core/v1" xmlns:ns2="https://www.arin.net/whoisrws/rdns/v1" xmlns:ns3="https://www.arin.net/whoisrws/netref/v2" copyrightNotice="Copyright 1997-2026, American Registry for Internet Numbers, Ltd." inaccuracyReportUrl="https://www.arin.net/resources/registry/whois/inaccuracy_reporting/" termsOfUse="https://www.arin.net/resources/registry/whois/tou/"><registrationDate>2003-12-16T13:02:15-05:00</registrationDate><rdapRef>https://rdap.arin.net/registry/entity/UIUCS-ARIN</rdapRef><ref>https://whois.arin.net/rest/poc/UIUCS-ARIN</ref><city>Urbana</city><companyName>University of Illinois at Urbana-Champaign</companyName><iso3166-1><code2>US</code2><code3>USA</code3><name>United States</name><e164>1</e164></iso3166-1><handle>UIUCS-ARIN</handle><isRoleAccount>Y</isRoleAccount><lastName>UIUC Security</lastName><emails><email>abuse@illinois.edu</email></emails><resources copyrightNotice="Copyright 1997-2026, American Registry for Internet Numbers, Ltd." inaccuracyReportUrl="https://www.arin.net/resources/registry/whois/inaccuracy_reporting/" termsOfUse="https://www.arin.net/resources/registry/whois/tou/"><limitExceeded limit="256">false</limitExceeded></resources><phones><phone><number>+1-217-265-0000</number><type><description>Office</description><code>O</code></type></phone></phones><pocType><description>General use</description><type>G</type></pocType><postalCode>61801</postalCode><iso3166-2>IL</iso3166-2><status><description>Valid</description><code>PV</code></status><streetAddress><line number="0">1304 West Springfield Avenue</line><line number="1">2222 DCL, MC-256</line></streetAddress><updateDate>2026-03-25T14:32:09-04:00</updateDate></poc>