Overview
Anthropic operates a network identified by AS399358.
The record includes 160.79.104.0/23 as a representative IPv4 prefix. It is not the network’s complete or permanent address space.
Current services include AI platform, Claude services, APIs, company infrastructure, and automated service traffic.
This record describes an autonomous system or publicly routed Internet network. It does not identify a physical Data Center, prove who operated an individual request, or establish that every address announced by the ASN is used for the same service.
Network prefixes
These are documented prefixes associated with this routed network. They are not necessarily the network’s complete current address space.
- Representative prefix
-
160.79.104.0/23
IPv4 · Active · RPKI Valid · checked 2026-09-02
Provider and network
- Network / Provider Name
- Anthropic
- Registered / Operating Organization
- Anthropic, PBC
- ISP / Network Operator
- Anthropic, PBC
- ASN
-
AS399358 - ASN Name
- ANTHROPIC
- Network Name
- ANTHROPIC
- Current Services
- AI platform, Claude services, APIs, company infrastructure, and automated service traffic
- Provider Type
- Enterprise
- Network Type
- Content platform network
Network scope
- Network Country
- US
Traffic and handling
- Traffic Classification
- Platform Network Traffic
- Traffic Label
- AI / Platform Network
- Risk Level
- Low
- Recommended Action
- Log by default. Verify the User-Agent or service identity before classifying traffic as an Anthropic crawler or Claude-related agent.
- Default Rule Action
- Log
- Common Pattern
- Traffic may include AI platform services, APIs, company applications, crawlers, automation, or infrastructure operations.
- Detection Notes
- Match AS399358 and representative prefix 160.79.104.0/23 for Anthropic network-origin context. ASN attribution alone does not identify a particular Anthropic bot.
Relationships
- Operator
- Anthropic, PBC Evidence Checked 2026-09-02