% 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 AS401551"
#
# Use "?" to get help.
#

ASNumber: 401551
ASName: ANTHROPIC-3
ASHandle: AS401551
RegDate: 2026-01-14
Updated: 2026-01-14
Ref: https://rdap.arin.net/registry/autnum/401551


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


OrgRoutingHandle: ANTHR5-ARIN
OrgRoutingName: Anthropic
OrgRoutingPhone: +1-415-236-0599
OrgRoutingEmail: arin[at]anthropic.com
OrgRoutingRef: 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

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

OrgTechHandle: ANTHR5-ARIN
OrgTechName: Anthropic
OrgTechPhone: +1-415-236-0599
OrgTechEmail: arin[at]anthropic.com
OrgTechRef: 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


#
# 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.
#