66.28.4.218
66.28.4.218 is an IPv4 address operated by Cogent Communications, LLC (AS174), geolocated to Hyattsville, United States. Its reverse DNS name is be3157.rcr61.b007023-2.jfk02.atlas.cogentco.com. As of November 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
IP 66.28.4.218 is assigned to Cogent Communications, LLC (ASN 174) and is geolocated to Hyattsville, Maryland. The address resolves to the `cogentco.com` domain, which configures both SPF and DMARC records for email authentication. Risk analysis shows no open services, a risk score of zero, and a recommendation to allow traffic due to the absence of threat indicators. The network profile is consistent with a firewalled infrastructure and reports no active malicious campaigns or observed threat siblings.
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-NB-0000 |
| CIDR Block | 66.28.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | be3157.rcr61.b007023-2.jfk02.atlas.cogentco.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | be3157.rcr61.b007023-2.jfk02.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 | 66.28.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 33% | 2 | 4 |
| Overall | 23% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-18 04:40:34 UTC |
| Last Seen | 2026-11-03 19:40:29 UTC |
| Profile Built | 2026-11-03 19:42:15 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 66.28.4.218
Who owns the IP address 66.28.4.218?
66.28.4.218 is registered to Cogent Communications, LLC. The address falls within the 66.28.0.0/16 network block. Registration is held at ARIN.
Where is 66.28.4.218 located?
Geolocation data places 66.28.4.218 in Hyattsville, Maryland, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 66.28.4.218 malicious or safe?
66.28.4.218 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 66.28.4.218?
The reverse DNS (PTR) record for 66.28.4.218 is be3157.rcr61.b007023-2.jfk02.atlas.cogentco.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.