# 202.8.40.158 — IP Intelligence Summary

202.8.40.158 is an IPv4 address operated by Ahrefs Pte Ltd administrator (AS140577), geolocated to Ashburn, Singapore. Its reverse DNS name is sardine158.ahrefs.net. As of October 6, 2026, IPDebrief rates it Moderate Risk (50/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/202.8.40.158
- Last updated: 2026-10-06

## Ownership

- Organization: Ahrefs Pte Ltd administrator
- Network name: AHREFS-CRAWLER-A-USA
- Allocated block: 202.8.40.0/23
- ASN: AS140577 (https://ipdebrief.com/asn/140577)
- Regional registry: APNIC

## Location

- City: Ashburn
- Region: Virginia
- Country: Singapore
- Time zone: Asia/Singapore

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Moderate Risk (50/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- sardine158.ahrefs.net
- Forward-confirmed: yes

## Analyst narrative

\## IP INTELLIGENCE BRIEFING: 202.8.40.158

**Classification:** Legitimate Infrastructure – Web Crawler/Spider

**Threat Level:** LOW RISK

**Analysis Date:** Current

**Analyst:** IPDebrief Intelligence Platform

\---

\### EXECUTIVE SUMMARY

IP 202.8.40.158 is identified as legitimate infrastructure belonging to Ahrefs Pte Ltd administrator. The IP is classified within the AHREFS-CRAWLER-A-USA network block and is associated with web crawling operations. No malicious indicators, threat signatures, or abuse patterns were detected during comprehensive analysis.

\---

\### OWNERSHIP AND INFRASTRUCTURE

\- **Organization:** Ahrefs Pte Ltd administrator

\- **ASN:** 140577

\- **Network Block:** 202.8.40.0/23

\- **RIR:** APNIC

\- **Registration Status:** Active

\- **Abuse Contact:** Available via RDAP (network-abuse@ahrefs.com)

\### GEOLLOCATION DATA

\- **Country:** United States (US)

\- **Region:** Virginia (VA)

\- **City:** Ashburn

\- **Coordinates:** 39.05°N, -77.49°W

\- **Timezone:** America/New_York

\- **GeoConsensus:** Confirmed across multiple sources

\---

\### NETWORK CHARACTERISTICS

\- **Service Status:** Firewalled / No Services (No open ports detected)

\- **DNS Resolution:** Active

\- PTR Hostname: sardine158.ahrefs.net

\- Forward Resolution: Confirmed (sardine158.ahrefs.net)

\- **Network Classification:** Not Tor exit, Not CDN, Not VPN, Not Proxy

\- **Route Stability:** Status fluctuating (isRouteStable: false)

\---

\### THREAT ASSESSMENT

\- **Overall Risk Score:** 0

\- **Provider Score:** 0

\- **Authority Score:** 0

\- **Abuse Confidence Score:** Not Applicable

\- **Blacklist Status:** Clean (0 blacklist hits)

\- **Threat Indicators:** None detected

\- **Known Campaigns:** None associated

\- **Tor Exit Node:** No

\- **Known Attacker:** No

\- **Spam Source:** No

\---

\### BEHAVIORAL ANALYSIS

\- **Threat Persistence Days:** 0

\- **Observation Count:** 12 signals

\- **Malicious Activity:** None observed

\- **Honeypot Hits:** 0

\- **Behavioral Score:** Normal operational patterns

\---

\### OBSERVATION HISTORY

Comprehensive signal history retrieved (12 observations). Most recent activity recorded: 2026-07-22T12:30:23 UTC. Key observations include:

\- Consistent ownership attribution to Ahrefs Pte Ltd administrator

\- Stable geolocation data (US/Virginia/Ashburn)

\- No significant changes in ownership, network classification, or threat indicators

\- All signals show consistent confidence levels (0.60–0.95)

\---

\### RELATIONSHIP MAPPING

Three primary relationships identified:

1. **DNS Association:** sardine158.ahrefs.net

2. **Network Association:** AHREFS-CRAWLER-A-USA

3. **DNS Association:** sardine158.ahrefs.net (duplicate entry)

All relationships indicate legitimate infrastructure integration.

\---

\### SUBNET ANALYSIS (202.8.40.0/24)

\- **Total Neighbors:** 100

\- **Abuse Density:** 0

\- **Risk Distribution:**

\- High Risk: 0

\- Medium Risk: 5

\- Low Risk: 95

\- **Inherited Risk:** 0

Notable neighbor: 202.8.40.1 (Risk Score: 25, Authority Score: 60)

\---

\### SECURITY RECOMMENDATIONS

**Recommended Action:** PERMIT / MONITOR

**Classification:** Legitimate infrastructure – no blocking required

The IP represents Ahrefs web crawler infrastructure operating from their Ashburn, VA datacenter. Given the organization's reputation as a legitimate SEO analytics service provider, this IP should be treated as trusted infrastructure. No firewall rules or blocking actions are recommended.

\---

\### INTELLIGENCE NOTES

\- This IP is part of a dedicated crawler network block (AHREFS-CRAWLER-A-USA)

\- No correlation with known threat campaigns or malicious activity

\- Subnet demonstrates very low abuse density (0.00%)

\- Historical data shows stable, consistent operational patterns

\- All DNS records and network classifications align with legitimate service provider operations

**End of Briefing**

## Nearby addresses

- 202.8.40.1 (https://ipdebrief.com/202.8.40.1)
- 202.8.40.2 (https://ipdebrief.com/202.8.40.2)
- 202.8.40.3 (https://ipdebrief.com/202.8.40.3)
- 202.8.40.5 (https://ipdebrief.com/202.8.40.5)
- 202.8.40.7 (https://ipdebrief.com/202.8.40.7)
- 202.8.40.9 (https://ipdebrief.com/202.8.40.9)
- 202.8.40.10 (https://ipdebrief.com/202.8.40.10)
- 202.8.40.11 (https://ipdebrief.com/202.8.40.11)
- 202.8.40.13 (https://ipdebrief.com/202.8.40.13)
- 202.8.40.15 (https://ipdebrief.com/202.8.40.15)
- 202.8.40.16 (https://ipdebrief.com/202.8.40.16)
- 202.8.40.19 (https://ipdebrief.com/202.8.40.19)

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Source: IPDebrief, "202.8.40.158 IP intelligence", https://ipdebrief.com/202.8.40.158, updated 2026-10-06. Assessments are probabilistic.