Anthropic, PBC
AS4167 is Anthropic, PBC (anthropic.com). It announces 0 IPv4 addresses in 0 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2026-03-03· Business· anthropic.com
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AP-2440-4167
- name
- Anthropic, PBC
- org
- AP-2440
- org name
- Anthropic, PBC
- org address
- 548 Market St., PMB 90375, San Francisco, CA, 94104-5401
- org city
- San Francisco
- org country
- US
- country
- US
- source
- arin
- created
- 2026-03-03
- updated
- 2026-03-03
- abuse name
- Anthropic
- abuse email
- arin@anthropic.com
- abuse phone
- +1-415-236-0599
- abuse kind
- role
- abuse city
- San Francisco
- abuse country
- US
- admin name
- Anthropic
- admin email
- arin@anthropic.com
- admin phone
- +1-415-236-0599
- admin kind
- role
- admin city
- San Francisco
- admin country
- US
- tech name
- Anthropic
- tech email
- arin@anthropic.com
- tech phone
- +1-415-236-0599
- tech kind
- role
- tech city
- San Francisco
- tech country
- US
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
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