ASN Lookup Tool

OpenAI OpCo, LLC openai.com US US 0 Routes

AS Data

AS401864

AS401864 – OpenAI OpCo, LLC

AS Number 401864
AS Name OPENAI
Organization OpenAI OpCo, LLC(ool-15)
Country US
Website openai.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2025-07-24

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Use ASN data for AS401864 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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Raw Whois Response

#
# 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.
#


ASNumber:       401864
ASName:         OPENAI
ASHandle:       AS401864
RegDate:        2025-07-24
Updated:        2025-07-24    
Ref:            https://rdap.arin.net/registry/autnum/401864


OrgName:        OpenAI OpCo, LLC
OrgId:          OOL-15
Address:        3180 18th Street
City:           San Francisco
StateProv:      CA
PostalCode:     94110
Country:        US
RegDate:        2024-04-25
Updated:        2026-02-03
Ref:            https://rdap.arin.net/registry/entity/OOL-15


OrgTechHandle: ZUOCH1-ARIN
OrgTechName:   Zuo, Charles 
OrgTechPhone:  +1-415-602-4217 
OrgTechEmail:  czuo@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZUOCH1-ARIN

OrgTechHandle: SAHAR2-ARIN
OrgTechName:   Saharan, Anuj 
OrgTechPhone:  +1-404-819-8077 
OrgTechEmail:  anujsaharan@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SAHAR2-ARIN

OrgTechHandle: NETWO10231-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-628-895-9918 
OrgTechEmail:  network-engineering@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10231-ARIN

OrgTechHandle: PLOUI-ARIN
OrgTechName:   P, Louis 
OrgTechPhone:  +1-800-242-8478 
OrgTechEmail:  lsp+arin@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PLOUI-ARIN

OrgTechHandle: LEWIS1117-ARIN
OrgTechName:   Lewis, Ryder 
OrgTechPhone:  +1-415-602-4217 
OrgTechEmail:  ryder@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEWIS1117-ARIN

OrgAbuseHandle: NETWO10231-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-628-895-9918 
OrgAbuseEmail:  network-engineering@openai.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10231-ARIN

OrgTechHandle: MCMIL174-ARIN
OrgTechName:   McMillan, Paul 
OrgTechPhone:  +1-415-602-4217 
OrgTechEmail:  paulm@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MCMIL174-ARIN

OrgTechHandle: BUCKL183-ARIN
OrgTechName:   Buckley, Christopher 
OrgTechPhone:  +1-415-602-4217 
OrgTechEmail:  christopher@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BUCKL183-ARIN

OrgTechHandle: DUMEL2-ARIN
OrgTechName:   Du, Melissa 
OrgTechPhone:  +1-415-519-3295 
OrgTechEmail:  melissa@openai.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DUMEL2-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.
#

Parsed Whois Response

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Frequently Asked Questions

ASN AS401864 is an Autonomous System Number used to identify a network for BGP internet routing.
AS401864 is listed under OpenAI OpCo, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.