154.54.43.86
154.54.43.86 is an IPv4 address operated by Cogent Communications, LLC (AS174), geolocated to Boston, United States. Its reverse DNS name is be4185.agr61.cle04.atlas.cogentco.com. As of October 5, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
Intelligence was gathered for IP address 154.54.43.86, which was attributed to Cogent Communications, LLC (AS174) within the 154.54.0.0/16 block. Geolocation data placed the host in Boston, Massachusetts, with consensus validation. The profile indicated a low-risk reputation score of 25. No open ports were detected, and network scans returned no server banners or active services, suggesting the system was firewalled or inactive.
The IP was not identified as a known attacker, spam source, or Tor exit node. It appeared on one DNS blacklist out of eight checked, though no specific abuse campaigns were correlated. Behavioral analysis showed zero incidents, enumeration strikes, or honeypot hits. The surrounding /24 subnet was classified as mostly_clean with an abuse density of 0.1667.
Despite the low-risk metrics, the host was tagged as a Suspicious Host due to the presence of generic threat indicators, although no specific threat classification was established. DNS hygiene was rated fair, with SPF and DMARC records present on the associated domain. Analysts were advised to monitor the address with a low severity rating.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Cogent Communications, LLC |
| ASN | AS174 |
| Network Name | COGENT-154-54-16 |
| CIDR Block | 154.54.0.0/16 |
| RIR | AFRINIC |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | be4185.agr61.cle04.atlas.cogentco.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | be4185.agr61.cle04.atlas.cogentco.com |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS174 |
| Network Prefix | 154.48.0.0/12 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-01 18:28:35 UTC |
| Last Seen | 2026-10-05 07:14:58 UTC |
| Profile Built | 2026-10-05 07:17:11 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 154.54.43.86
Who owns the IP address 154.54.43.86?
154.54.43.86 is registered to Cogent Communications, LLC. The address falls within the 154.54.0.0/16 network block. Registration is held at AFRINIC.
Where is 154.54.43.86 located?
Geolocation data places 154.54.43.86 in Boston, US-MA, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 154.54.43.86 malicious or safe?
154.54.43.86 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 154.54.43.86?
The reverse DNS (PTR) record for 154.54.43.86 is be4185.agr61.cle04.atlas.cogentco.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.