<?xml version='1.0'?><?xml-stylesheet type='text/xsl' href='https://whois.arin.net/xsl/website.xsl' ?><poc xmlns="http://www.arin.net/whoisrws/core/v1" xmlns:ns2="http://www.arin.net/whoisrws/rdns/v1" xmlns:ns3="http://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>2005-07-29T02:00:19-04:00</registrationDate><rdapRef>https://rdap.arin.net/registry/entity/ABUSE959-ARIN</rdapRef><ref>https://whois.arin.net/rest/poc/ABUSE959-ARIN</ref><city>Chicago</city><companyName>Steadfast Networks</companyName><iso3166-1><code2>US</code2><code3>USA</code3><name>United States</name><e164>1</e164></iso3166-1><handle>ABUSE959-ARIN</handle><isRoleAccount>Y</isRoleAccount><lastName>Steadfast Networks Abuse Department</lastName><emails><email>abuse@steadfast.net</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>+1-312-602-2689</number><extension>5</extension><type><description>Office</description><code>O</code></type></phone><phone><number>+1-312-602-2688</number><type><description>Fax</description><code>F</code></type></phone></phones><pocType><description>General use</description><type>G</type></pocType><postalCode>60604</postalCode><comment><line number="0">Please submit all reports of abuse and</line><line number="1">legal notices to abuse@steadfast.net for</line><line number="2">fastest processing.  We do not offer phone</line><line number="3">support for abuse or legal matters.</line></comment><iso3166-2>IL</iso3166-2><status><description>Valid</description><code>PV</code></status><streetAddress><line number="0">231 S LaSalle St</line><line number="1">Suite 2100</line></streetAddress><updateDate>2024-05-03T09:03:40-04:00</updateDate></poc>