72.37.144.0 is an IP version 4.

The IP is from United States (US)

AS Number: 3257 AS Description: GTT-BACKBONE GTT, US

This domain does not have a reverse DNS entry.

# # 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. # # start NetRange: 72.37.128.0 - 72.37.255.255 CIDR: 72.37.128.0/17 NetName: NETBLK-PACKETEXCHANGE-V4-03 NetHandle: NET-72-37-128-0-1 Parent: NET72 (NET-72-0-0-0-0) NetType: Direct Allocation OriginAS: AS25973 Organization: PacketExchange, Inc (PACKE-25) RegDate: 2005-03-17 Updated: 2012-02-24 Ref: https://rdap.arin.net/registry/ip/72.37.128.0 OrgName: PacketExchange, Inc OrgId: PACKE-25 Address: GTT Communications, Inc. Address: 8484 Westpark Drive Address: Suite 720 City: McLean StateProv: VA PostalCode: 22102 Country: US RegDate: 2008-02-26 Updated: 2025-04-17 Ref: https://rdap.arin.net/registry/entity/PACKE-25 OrgAbuseHandle: GAD46-ARIN OrgAbuseName: GTT Abuse Department OrgAbusePhone: +1-703-442-5501 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/GAD46-ARIN OrgTechHandle: GNOC16-ARIN OrgTechName: GTT Network Operations Center OrgTechPhone: +1-703-442-5500 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GNOC16-ARIN OrgNOCHandle: GNOC16-ARIN OrgNOCName: GTT Network Operations Center OrgNOCPhone: +1-703-442-5500 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/GNOC16-ARIN OrgTechHandle: AS3251-ARIN OrgTechName: AS3257 Netguard OrgTechPhone: +49 69 48007422 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/AS3251-ARIN OrgTechHandle: GIT5-ARIN OrgTechName: GTT IPAM Team OrgTechPhone: +1-703-442-5500 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GIT5-ARIN # end # start NetRange: 72.37.144.0 - 72.37.144.63 CIDR: 72.37.144.0/26 NetName: OPT-COM-GROUP-TINET NetHandle: NET-72-37-144-0-1 Parent: NETBLK-PACKETEXCHANGE-V4-03 (NET-72-37-128-0-1) NetType: Reassigned OriginAS: AS3257 Customer: Opitcal Communications Group (C04677911) RegDate: 2013-08-22 Updated: 2013-08-22 Comment: ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE Ref: https://rdap.arin.net/registry/ip/72.37.144.0 CustName: Opitcal Communications Group Address: 79-24 71st Avenue City: Gelndale StateProv: NY PostalCode: 11385 Country: US RegDate: 2013-08-22 Updated: 2013-08-22 Ref: https://rdap.arin.net/registry/entity/C04677911 OrgAbuseHandle: GAD46-ARIN OrgAbuseName: GTT Abuse Department OrgAbusePhone: +1-703-442-5501 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/GAD46-ARIN OrgTechHandle: GNOC16-ARIN OrgTechName: GTT Network Operations Center OrgTechPhone: +1-703-442-5500 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GNOC16-ARIN OrgNOCHandle: GNOC16-ARIN OrgNOCName: GTT Network Operations Center OrgNOCPhone: +1-703-442-5500 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/GNOC16-ARIN OrgTechHandle: AS3251-ARIN OrgTechName: AS3257 Netguard OrgTechPhone: +49 69 48007422 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/AS3251-ARIN OrgTechHandle: GIT5-ARIN OrgTechName: GTT IPAM Team OrgTechPhone: +1-703-442-5500 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/GIT5-ARIN # end # # 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. #