# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. # NetRange: 216.21.1.0 - 216.21.1.255 CIDR: 216.21.1.0/24 NetName: SMS-ASSIST NetHandle: NET-216-21-1-0-1 Parent: NET216 (NET-216-0-0-0-0) NetType: Direct Allocation OriginAS: AS63476 Organization: SMS Assist, L.L.C. (SAL-123) RegDate: 2016-01-13 Updated: 2021-12-14 Comment: http://www.smsassist.com Comment: Standard NOC hours are 8pm to 5pm CST Ref: https://rdap.arin.net/registry/ip/216.21.1.0 OrgName: SMS Assist, L.L.C. OrgId: SAL-123 Address: 875 N Michigan Ave Address: Suite 2800 City: Chicago StateProv: IL PostalCode: 60611 Country: US RegDate: 2015-03-16 Updated: 2022-01-19 Comment: http://www.smsassist.com Comment: Standard NOC hours are 8am to 5pm CST Ref: https://rdap.arin.net/registry/entity/SAL-123 OrgNOCHandle: RMO258-ARIN OrgNOCName: Olsen, Richard Michael OrgNOCPhone: +1-312-257-3388 OrgNOCEmail: rolsen@smsassist.com OrgNOCRef: https://rdap.arin.net/registry/entity/RMO258-ARIN OrgTechHandle: STEVE829-ARIN OrgTechName: Stevenson, Rod OrgTechPhone: +1-312-471-2959 OrgTechEmail: rstevenson@smsassist.com OrgTechRef: https://rdap.arin.net/registry/entity/STEVE829-ARIN OrgTechHandle: RMO258-ARIN OrgTechName: Olsen, Richard Michael OrgTechPhone: +1-312-257-3388 OrgTechEmail: rolsen@smsassist.com OrgTechRef: https://rdap.arin.net/registry/entity/RMO258-ARIN OrgNOCHandle: STEVE829-ARIN OrgNOCName: Stevenson, Rod OrgNOCPhone: +1-312-471-2959 OrgNOCEmail: rstevenson@smsassist.com OrgNOCRef: https://rdap.arin.net/registry/entity/STEVE829-ARIN OrgAbuseHandle: STEVE829-ARIN OrgAbuseName: Stevenson, Rod OrgAbusePhone: +1-312-471-2959 OrgAbuseEmail: rstevenson@smsassist.com OrgAbuseRef: https://rdap.arin.net/registry/entity/STEVE829-ARIN OrgAbuseHandle: RMO258-ARIN OrgAbuseName: Olsen, Richard Michael OrgAbusePhone: +1-312-257-3388 OrgAbuseEmail: rolsen@smsassist.com OrgAbuseRef: https://rdap.arin.net/registry/entity/RMO258-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2025, American Registry for Internet Numbers, Ltd. #