Overview
Ahrefs operates a network identified by AS140577.
The record includes 168.100.144.0/20 as a representative IPv4 prefix. It is not the network’s complete or permanent address space.
Current services include SEO crawling, web indexing, search intelligence, analytics, and company-operated service infrastructure.
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
-
168.100.144.0/20
IPv4 · Active · RPKI Valid · checked 2026-09-02
Provider and network
- Network / Provider Name
- Ahrefs
- Registered / Operating Organization
- Ahrefs Pte Ltd
- ISP / Network Operator
- Ahrefs Pte Ltd
- ASN
-
AS140577 - ASN Name
- AHREFS-AS-AP
- Network Name
- AHREFS-AS-AP
- Current Services
- SEO crawling, web indexing, search intelligence, analytics, and company-operated service infrastructure
- Provider Type
- Search platform
- Network Type
- Search platform network
Network scope
- Network Country
- SG
Traffic and handling
- Traffic Classification
- Crawler / Search Intelligence Traffic
- Traffic Label
- Search Intelligence Network
- Risk Level
- Medium
- Recommended Action
- Log by default. Verify Ahrefs crawler identity and request behavior before allowing, rate-limiting, or blocking.
- Default Rule Action
- Log
- Common Pattern
- Traffic may include AhrefsBot and related crawlers, SEO data collection, indexing, analytics, APIs, and company services.
- Detection Notes
- Match AS140577 and current routed prefixes as Ahrefs network-origin evidence, then verify the claimed crawler identity. The representative prefix is not exhaustive.
Relationships
- Operator
- Ahrefs Pte Ltd Evidence Checked 2026-09-02