154.54.165.173
154.54.165.173 is an IPv4 address operated by Cogent Communications, LLC (AS174), geolocated to Boston, United States. Its reverse DNS name is be3629.rcr71.bwi01.atlas.cogentco.com. As of November 2, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
IP 154.54.165.173 is attributed to Cogent Communications, LLC (ASN 174) within the United States, resolving to the domain cogentco.com with a forward confirmation status of false. The control plane indicates the host is listed on one DNSBL category with a maximum severity of high under the 'bot' label, while network role analysis shows no open ports. This IP is flagged as a "Suspicious Host" with a risk score of 25, despite the domain maintaining valid SPF and DMARC records. The intelligence assessment recommends "Monitor" due to the presence of threat siblings in the neighborhood, noting overall confidence is Very Low.
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 | be3629.rcr71.bwi01.atlas.cogentco.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | be3629.rcr71.bwi01.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 | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 35% | 2 | 2 |
| Overall | 28% | 8 | 9 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-25 16:37:25 UTC |
| Last Seen | 2026-11-02 11:30:51 UTC |
| Profile Built | 2026-11-02 11:37:42 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 154.54.165.173
Who owns the IP address 154.54.165.173?
154.54.165.173 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 154.54.165.173 located?
Geolocation data places 154.54.165.173 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 154.54.165.173 malicious or safe?
154.54.165.173 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 154.54.165.173?
The reverse DNS (PTR) record for 154.54.165.173 is be3629.rcr71.bwi01.atlas.cogentco.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.