# # 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. # # start NetRange: 216.73.208.0 - 216.73.219.255 CIDR: 216.73.208.0/21, 216.73.216.0/22 NetName: AMAZO-4 NetHandle: NET-216-73-208-0-1 Parent: NET216 (NET-216-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Amazon.com, Inc. (AMAZO-4) RegDate: 2024-03-26 Updated: 2024-03-26 Ref: https://rdap.arin.net/registry/ip/216.73.208.0 OrgName: Amazon.com, Inc. OrgId: AMAZO-4 Address: Amazon Web Services, Inc. Address: P.O. Box 81226 City: Seattle StateProv: WA PostalCode: 98108-1226 Country: US RegDate: 2005-09-29 Updated: 2022-09-30 Comment: For details of this service please see Comment: http://ec2.amazonaws.com Ref: https://rdap.arin.net/registry/entity/AMAZO-4 OrgRoutingHandle: IPROU3-ARIN OrgRoutingName: IP Routing OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: aws-routing-poc@amazon.com OrgRoutingRef: https://rdap.arin.net/registry/entity/IPROU3-ARIN OrgNOCHandle: AANO1-ARIN OrgNOCName: Amazon AWS Network Operations OrgNOCPhone: +1-206-555-0000 OrgNOCEmail: amzn-noc-contact@amazon.com OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN OrgRoutingHandle: ARMP-ARIN OrgRoutingName: AWS RPKI Management POC OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: aws-rpki-routing-poc@amazon.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ARMP-ARIN OrgAbuseHandle: AEA8-ARIN OrgAbuseName: Amazon EC2 Abuse OrgAbusePhone: +1-206-555-0000 OrgAbuseEmail: trustandsafety@support.aws.com OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN OrgTechHandle: ANO24-ARIN OrgTechName: Amazon EC2 Network Operations OrgTechPhone: +1-206-555-0000 OrgTechEmail: amzn-noc-contact@amazon.com OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN # end # start NetRange: 216.73.216.0 - 216.73.219.255 CIDR: 216.73.216.0/22 NetName: AWS-ANTHROPIC NetHandle: NET-216-73-216-0-1 Parent: AMAZO-4 (NET-216-73-208-0-1) NetType: Reassigned OriginAS: Organization: Anthropic, PBC (AP-2440) RegDate: 2024-06-05 Updated: 2024-06-05 Ref: https://rdap.arin.net/registry/ip/216.73.216.0 OrgName: Anthropic, PBC OrgId: AP-2440 Address: 548 Market St. Address: PMB 90375 City: San Francisco StateProv: CA PostalCode: 94104-5401 Country: US RegDate: 2023-07-31 Updated: 2023-08-22 Ref: https://rdap.arin.net/registry/entity/AP-2440 OrgDNSHandle: ANTHR5-ARIN OrgDNSName: Anthropic OrgDNSPhone: +1-415-236-0599 OrgDNSEmail: arin@anthropic.com OrgDNSRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN OrgAbuseHandle: ANTHR5-ARIN OrgAbuseName: Anthropic OrgAbusePhone: +1-415-236-0599 OrgAbuseEmail: arin@anthropic.com OrgAbuseRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN OrgRoutingHandle: ANTHR5-ARIN OrgRoutingName: Anthropic OrgRoutingPhone: +1-415-236-0599 OrgRoutingEmail: arin@anthropic.com OrgRoutingRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN OrgTechHandle: ANTHR5-ARIN OrgTechName: Anthropic OrgTechPhone: +1-415-236-0599 OrgTechEmail: arin@anthropic.com OrgTechRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN OrgNOCHandle: ANTHR5-ARIN OrgNOCName: Anthropic OrgNOCPhone: +1-415-236-0599 OrgNOCEmail: arin@anthropic.com OrgNOCRef: https://rdap.arin.net/registry/entity/ANTHR5-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 1997-2026, American Registry for Internet Numbers, Ltd. #