73.45.27.109
73.45.27.109 is an IPv4 address operated by COMCAST-7922 - Comcast Cable Communications, LLC, US (AS7922), with approximate network location Chicago, United States. It belongs to a residential connection. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
Witness AI IP Assessment (AI-generated)
AI-generated assessment. Verify critical details independently.
The host address 73.45.27.109 was observed as a residential endpoint belonging to Comcast IP Services, L.L.C. (ASN 7922) within the CHICAGO-CPE-36 block. Geolocation data placed the network in Chicago, Illinois, United States. The infrastructure is categorized as residential rather than cloud, CDN, VPN, or hosting infrastructure. A connection to port 443 returned inconclusive TLS probe results, while port 8443 was unreachable; no active TLS endpoints were identified. DNS hygiene assessments yielded no evaluated checks, with CAA, SPF, and DMARC statuses marked as not applicable or not checked, and DNSSEC status unknown. The entity's registration details list the United States as the registrant country and COMCAST-7922 as the routing operator, though specific registration dates and abuse contacts were not available in the profile. Due to the residential designation and inconclusive service verification, continued monitoring is recommended to confirm the absence of malicious activity.
🏢 Ownership & Registration
| Registered holder | Comcast IP Services, L.L.C. |
| ASN | AS7922 |
| Network Name | CHICAGO-CPE-36 |
| CIDR Block | 73.44.0.0/15 |
| RIR | ARIN |
| Network registration country | — |
| Registrant address country | United States |
| Routing operator | COMCAST-7922 - Comcast Cable Communications, LLC, US |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not applicable |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 109.27.45.73.in-addr.arpa |
| fcrDns | Not applicable |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Web Server |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Latest capture attempt |
|---|---|
| 443 | Certificate not captured; current certificate unknown (inconclusive) |
| 8443 | Certificate not captured; current certificate unknown (unreachable) |
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS7922 |
| Network Prefix | 73.0.0.0/8 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 25% | 1 | 1 |
| geolocation | 0% | 0 | 0 |
| Overall | 18% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-30 05:28:45 UTC |
| Last Seen | 2026-11-14 05:19:30 UTC |
| Profile Built | 2026-11-14 05:28:30 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 73.45.27.109
Who owns the IP address 73.45.27.109?
73.45.27.109 is registered to Comcast IP Services, L.L.C.. The address falls within the 73.44.0.0/15 network block. Registration is held at ARIN.
Where is 73.45.27.109 located?
Geolocation data places 73.45.27.109 in Chicago, IL, United States. The local time zone is America/Chicago. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 73.45.27.109 malicious or safe?
73.45.27.109 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 73.45.27.109?
Responsive ports observed on 73.45.27.109 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 73.45.27.109 a VPN, proxy, or data center address?
73.45.27.109 is classified as a residential network based on network ownership and behavioural analysis.