206208 looking glass

AS401518 OpenAI OpCo, LLC 🇺🇸 US

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
3
1,024 (4 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS401518
Name
OpenAI OpCo, LLC
Organisation
OpenAI-2
Country
🇺🇸 US
RIR
ARIN
Allocated
2024-11-26
Scope
Not Disclosed
Peering policy
Open
Website
http://openai.com
PeeringDB
net/42754

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.arin.net

ASNumber:       401518
ASName:         OPENAI
ASHandle:       AS401518
RegDate:        2024-11-26
Updated:        2026-10-28
Ref:            https://rdap.arin.net/registry/autnum/401518

OrgName:        OpenAI OpCo, LLC
OrgId:          OOL-15
Address:        1455 3rd St
City:           San Francisco
StateProv:      CA
PostalCode:     94158
Country:        US
RegDate:        2024-04-25
Updated:        2026-11-03
Ref:            https://rdap.arin.net/registry/entity/OOL-15

OrgAbuseHandle: ONA10-ARIN
OrgAbuseName:   OpenAI Network Abuse
OrgAbusePhone:  +1-628-895-9918
OrgAbuseEmail:  network-abuse-inbox@openai.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ONA10-ARIN

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