% No entries found for the selected source(s).

#
# 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.
#


#
# Query terms are ambiguous. The query is assumed to be:
# "a AS399358"
#
# Use "?" to get help.
#

ASNumber: 399358
ASName: ANTHROPIC
ASHandle: AS399358
RegDate: 2023-09-20
Updated: 2024-01-08
Comment: -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref: https://rdap.arin.net/registry/autnum/399358


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


OrgTechHandle: ANTHR5-ARIN
OrgTechName: Anthropic
OrgTechPhone: +1-415-236-0599
OrgTechEmail: arin[at]anthropic.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgAbuseHandle: ANTHR5-ARIN
OrgAbuseName: Anthropic
OrgAbusePhone: +1-415-236-0599
OrgAbuseEmail: arin[at]anthropic.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgDNSHandle: ANTHR5-ARIN
OrgDNSName: Anthropic
OrgDNSPhone: +1-415-236-0599
OrgDNSEmail: arin[at]anthropic.com
OrgDNSRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgRoutingHandle: ANTHR5-ARIN
OrgRoutingName: Anthropic
OrgRoutingPhone: +1-415-236-0599
OrgRoutingEmail: arin[at]anthropic.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ANTHR5-ARIN

OrgNOCHandle: ANTHR5-ARIN
OrgNOCName: Anthropic
OrgNOCPhone: +1-415-236-0599
OrgNOCEmail: arin[at]anthropic.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ANTHR5-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.
#