24.21.21.161
The IP address 24.21.21.161/32 was observed as a residential endpoint assigned to Comcast Cable Communications (ASN 7922) within the 24.20.0.0/15 CIDR block. Geolocation data placed the endpoint in Vancouver, Washington, United States. Port scanning identified an active SSH service on TCP/22 using OpenSSH_8.1. No HTTP or TLS services were detected.
Threat intelligence feeds returned no indicators of compromise, with the address appearing on zero blacklists. The network role was classified as residential, and the 24.21.21.0/24 neighborhood showed zero threat siblings and no abuse density.
Technical validation flagged a contradiction between claimed geolocation and RTT physics measurements. The system recorded a minimum RTT of 94ms despite a calculated minimum of 161.6ms required for the reported distance of 8080km. DNS hygiene was rated poor (20), with no SPF or DMARC records present.
The address maintained a low-risk reputation with a risk score of 20. The recommended action was Monitor due to signal contradictions present in the observation history.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Comcast Cable Communications |
| ASN | AS7922 |
| Network Name | OREGON-7 |
| CIDR Block | 24.20.0.0/15 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Single-Service Host |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | Banner detected |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7922 |
| Network Prefix | 24.16.0.0/13 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 25% | 2 | 3 |
| reputation | 23% | 1 | 4 |
| geolocation | 23% | 2 | 4 |
| Overall | 19% | 10 | 18 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 20:39:20 UTC |
| Last Seen | 2026-09-04 23:56:18 UTC |
| Profile Built | 2026-09-05 00:04:50 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 30 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 24.21.21.161
Who owns the IP address 24.21.21.161?
24.21.21.161 is registered to Comcast Cable Communications. The address falls within the 24.20.0.0/15 network block. Registration is held at ARIN.
Where is 24.21.21.161 located?
Geolocation data places 24.21.21.161 in Vancouver, Washington, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 24.21.21.161 malicious or safe?
24.21.21.161 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 ports are open on 24.21.21.161?
Responsive ports observed on 24.21.21.161 include 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 24.21.21.161 a VPN, proxy, or data center address?
24.21.21.161 is classified as a residential network based on network ownership and behavioural analysis.