2001:550:3d05:: is an IP version 6.

The IP is from United States (US)

AS Number: 174 AS Description: COGENT-174, 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: 2001:550:: - 2001:550:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2001:550::/32 NetName: COGC-6NET-0001 NetHandle: NET6-2001-550-1 Parent: ARIN-001 (NET6-2001-400-0) NetType: Direct Allocation OriginAS: AS174 Organization: Cogent Communications (COGC) RegDate: 2002-12-17 Updated: 2012-03-02 Ref: https://rdap.arin.net/registry/ip/2001:550:: OrgName: Cogent Communications OrgId: COGC Address: 2450 N Street NW City: Washington StateProv: DC PostalCode: 20037 Country: US RegDate: 2000-05-30 Updated: 2023-10-11 Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv Ref: https://rdap.arin.net/registry/entity/COGC ReferralServer: rwhois://rwhois.cogentco.com:4321 OrgAbuseHandle: COGEN-ARIN OrgAbuseName: Cogent Abuse OrgAbusePhone: +1-877-875-4311 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN OrgNOCHandle: ZC108-ARIN OrgNOCName: Cogent Communications OrgNOCPhone: +1-877-875-4311 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN OrgTechHandle: IPALL-ARIN OrgTechName: IP Allocation OrgTechPhone: +1-877-875-4311 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN RTechHandle: ZC108-ARIN RTechName: Cogent Communications RTechPhone: +1-877-875-4311 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/ZC108-ARIN # end # start NetRange: 2001:550:3D05:: - 2001:550:3D05:FFFF:FFFF:FFFF:FFFF:FFFF CIDR: 2001:550:3D05::/48 NetName: CHARLESRIVER-V6-CGNT-NET-1 NetHandle: NET6-2001-550-3D05-1 Parent: COGC-6NET-0001 (NET6-2001-550-1) NetType: Reassigned OriginAS: AS174 Organization: Charles River Operation (JC-328) RegDate: 2020-09-10 Updated: 2020-09-10 Ref: https://rdap.arin.net/registry/ip/2001:550:3D05:: OrgName: Charles River Operation OrgId: JC-328 Address: 6 Liberty Sq., Ste. 170 City: Boston StateProv: MA PostalCode: 02109 Country: US RegDate: 2016-04-04 Updated: 2018-05-01 Comment: http://www.endoffice.com Ref: https://rdap.arin.net/registry/entity/JC-328 OrgAbuseHandle: COPSO-ARIN OrgAbuseName: Copson, Jay OrgAbusePhone: +1-978-344-2656 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/COPSO-ARIN OrgTechHandle: COPSO-ARIN OrgTechName: Copson, Jay OrgTechPhone: +1-978-344-2656 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/COPSO-ARIN OrgNOCHandle: COPSO-ARIN OrgNOCName: Copson, Jay OrgNOCPhone: +1-978-344-2656 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/COPSO-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. # Found a referral to rwhois.cogentco.com:4321. #rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.1) network:ID:NET6-200105503D05000030 network:Network-Name:NET6-200105503D05000030 network:IP-Network:2001:550:3D05::/48 network:Org-Name:Charles River Operation, LLC network:Street-Address:300 5TH AVENUE network:City:WALTHAM network:State:MA network:Country:US network:Postal-Code:02451 network:Tech-Contact:ZC108-ARIN network:Updated:2020-05-05 14:47:57 #ok