154.54.90.198 is an IPv4 address operated by Cogent Communications, LLC (AS174), geolocated to Chicago, United States. Its reverse DNS name is be2177.rcr21.lax06.atlas.cogentco.com. As of October 25, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
Intelligence assessment for 154.54.90.198 indicated a Low Risk classification with a risk score of 25. The address was assigned to Cogent Communications, LLC (AS174) within the US-IL region. Network scanning revealed no open ports, and the service purpose was identified as firewalled with no active web or application layers. Behavioral analysis showed zero honeypot hits, enumeration strikes, or WAF violations. The immediate neighborhood (154.54.90.0/24) was classified as mostly clean with an abuse density of 0.1667.
Validation checks identified a geolocation contradiction where the reported location conflicted with RTT physics measurements (83ms observed vs 152.5ms minimum possible for the distance). The address appeared in one DNSBL list out of eight checked. Despite the low overall confidence score of 0.1188, the profile remained Live with 21 observations between October 1 and October 16.
Operational recommendation assigned was to Monitor due to signal contradictions and insufficient data to classify intent. No specific threat actor attribution or known campaign associations were found.
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 | be2177.rcr21.lax06.atlas.cogentco.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | be2177.rcr21.lax06.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 |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 22% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 24% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-01 02:26:44 UTC |
| Last Seen | 2026-10-25 03:24:30 UTC |
| Profile Built | 2026-10-25 03:29:53 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 30 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 154.54.90.198
Who owns the IP address 154.54.90.198?
154.54.90.198 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 154.54.90.198 located?
Geolocation data places 154.54.90.198 in Chicago, US-IL, United States. The local time zone is America/Chicago. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 154.54.90.198 malicious or safe?
154.54.90.198 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 154.54.90.198?
The reverse DNS (PTR) record for 154.54.90.198 is be2177.rcr21.lax06.atlas.cogentco.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.