Intelligence Briefing: 24.12.120.248/32
Classification: Low Risk Residential Endpoint
Risk Score: 25
Date of Analysis: 2026-08-30
Executive Summary
IP 24.12.120.248 was identified as a Comcast residential cable endpoint located in Bolingbrook, Illinois. The address maintained a low-risk profile with no active threat indicators, though control plane data indicated one DNSBL listing among eight total checks.
Technical Profile
* Ownership: ASN 7922 (Comcast Cable Communications), Netname CHICAGO-CPE-1.
* Network Role: Residential Endpoint, Cable Connection.
* Services: No open ports, TLS certificates, or HTTP services detected.
* DNS: Forward confirmed to `c-24-12-120-248.hsd1.il.comcast.net` with valid DNSSEC.
Threat Assessment
* Threat Indicators: No active indicators for known attackers, Tor exit nodes, or spam sources.
* Blacklist Status: Active blacklist count was 0; however, control plane data showed the IP was listed on one of eight DNSBL categories.
* Geolocation Validation: A physical contradiction was observed. The claimed distance of 6,744 km from the probe location resulted in a minimum possible RTT of 134.9 ms. Observed RTT measurements recorded 45.0 ms, suggesting potential geolocation spoofing or data inconsistency.
* Neighborhood: The /24 subnet (24.12.120.0/24) exhibited 0% abuse density with no active threat siblings.
Recommendation
Analysts were advised to monitor the address rather than block it. The recommendation was based on a low risk score (25) and a clean neighborhood profile. Given the signal contradictions regarding geolocation, continued awareness was suggested if the IP appeared in suspicious traffic patterns. No immediate firewall rules were required.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Comcast Cable Communications |
| ASN | AS7922 |
| Network Name | CHICAGO-CPE-1 |
| CIDR Block | 24.12.0.0/14 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | c-24-12-120-248.hsd1.il.comcast.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | c-24-12-120-248.hsd1.il.comcast.net |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS7922 |
| Network Prefix | 24.0.0.0/12 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 22% | 1 | 3 |
| geolocation | 17% | 2 | 3 |
| Overall | 18% | 10 | 16 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-11 02:18:48 UTC |
| Last Seen | 2026-09-10 23:15:20 UTC |
| Profile Built | 2026-09-10 23:20:27 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 31 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 24.12.120.248
Who owns the IP address 24.12.120.248?
24.12.120.248 is registered to Comcast Cable Communications. The address falls within the 24.12.0.0/14 network block. Registration is held at ARIN.
Where is 24.12.120.248 located?
Geolocation data places 24.12.120.248 in Bolingbrook, Illinois, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 24.12.120.248 malicious or safe?
24.12.120.248 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 24.12.120.248?
The reverse DNS (PTR) record for 24.12.120.248 is c-24-12-120-248.hsd1.il.comcast.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 24.12.120.248 a VPN, proxy, or data center address?
24.12.120.248 is classified as a residential network based on network ownership and behavioural analysis.