154.54.89.138 is an IPv4 address operated by Cogent Communications, LLC (AS174), geolocated to Boston, United States. Its reverse DNS name is be10019.rcr71.ymq03.atlas.cogentco.com. As of October 26, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
IP 154.54.89.138 was assigned to Cogent Communications, LLC under ASN 174 within the 154.54.0.0/16 block. The asset was classified as Low Risk with a risk score of 25. Network scans indicated the host was firewalled with no open services or active web presence. While the IP was not flagged as a known attacker or spam source, it appeared on one DNS blacklist out of eight total lists checked. The subnet classification was mixed with an abuse density of 22.2%, containing two threat siblings among nine total addresses. Monitoring the address was recommended due to neighborhood risk factors, despite the individual asset showing no specific malicious behavior or persistent threat indicators.
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 | be10019.rcr71.ymq03.atlas.cogentco.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | be10019.rcr71.ymq03.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 | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-27 16:51:49 UTC |
| Last Seen | 2026-10-26 08:43:40 UTC |
| Profile Built | 2026-10-26 08:59:55 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 154.54.89.138
Who owns the IP address 154.54.89.138?
154.54.89.138 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 154.54.89.138 located?
Geolocation data places 154.54.89.138 in Boston, MA, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 154.54.89.138 malicious or safe?
154.54.89.138 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 154.54.89.138?
The reverse DNS (PTR) record for 154.54.89.138 is be10019.rcr71.ymq03.atlas.cogentco.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.