# # 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 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 141.109.240.0 - 141.109.255.255 CIDR: 141.109.240.0/20 NetName: KLAVI NetHandle: NET-141-109-240-0-1 Parent: RIPE-ERX-141 (NET-141-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Klaviyo, Inc (KLAVI) RegDate: 2025-10-21 Updated: 2026-06-05 Comment: -----BEGIN CERTIFICATE-----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-----END CERTIFICATE----- Ref: https://rdap.arin.net/registry/ip/141.109.240.0 OrgName: Klaviyo, Inc OrgId: KLAVI Address: 125 Summer St, Floor 6 City: Boston StateProv: MA PostalCode: 02111 Country: US RegDate: 2021-08-06 Updated: 2023-04-19 Ref: https://rdap.arin.net/registry/entity/KLAVI OrgAbuseHandle: KLAVI2-ARIN OrgAbuseName: Klaviyo Abuse OrgAbusePhone: +1-800-338-1744 OrgAbuseEmail: abuse@klaviyo.com OrgAbuseRef: https://rdap.arin.net/registry/entity/KLAVI2-ARIN OrgTechHandle: KLAVI1-ARIN OrgTechName: Klaviyo Postmaster OrgTechPhone: +1-800-338-1744 OrgTechEmail: postmaster@klaviyo.com OrgTechRef: https://rdap.arin.net/registry/entity/KLAVI1-ARIN OrgRoutingHandle: KLAVI1-ARIN OrgRoutingName: Klaviyo Postmaster OrgRoutingPhone: +1-800-338-1744 OrgRoutingEmail: postmaster@klaviyo.com OrgRoutingRef: https://rdap.arin.net/registry/entity/KLAVI1-ARIN OrgDNSHandle: KLAVI1-ARIN OrgDNSName: Klaviyo Postmaster OrgDNSPhone: +1-800-338-1744 OrgDNSEmail: postmaster@klaviyo.com OrgDNSRef: https://rdap.arin.net/registry/entity/KLAVI1-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 1997-2026, American Registry for Internet Numbers, Ltd. #