73.136.91.216
73.136.91.216 is an IPv4 address announced by AS7922, with approximate network location Houston, United States. It belongs to a residential connection. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Comcast IP Services, L.L.C. |
| ASN | AS7922 |
| Network Name | HOUSTON-15 |
| CIDR Block | 73.136.0.0/16 |
| RIR | ARIN |
| Network registration 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 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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ 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 | 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-10-08 13:28:29 UTC |
| Last Seen | 2026-10-08 13:28:29 UTC |
| Profile Built | 2026-11-12 16:45:47 UTC |
| Data Freshness | Stale |
| Signal Types | 12 |
| Total Observations | 12 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 73.136.91.216
Who owns the IP address 73.136.91.216?
73.136.91.216 is registered to Comcast IP Services, L.L.C.. The address falls within the 73.136.0.0/16 network block. Registration is held at ARIN.
Where is 73.136.91.216 located?
Geolocation data places 73.136.91.216 in Houston, TX, 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 73.136.91.216 malicious or safe?
73.136.91.216 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.
Is 73.136.91.216 a VPN, proxy, or data center address?
73.136.91.216 is classified as a residential network based on network ownership and behavioural analysis.