70.183.236.81
70.183.236.81 is an IPv4 address operated by Cox Communications (AS22773), geolocated to Sunnyvale, United States. It belongs to a residential connection with reverse DNS name wsip-70-183-236-81.pn.at.cox.net. As of October 9, 2026, IPDebrief rates it High Risk (80/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Cox Communications |
| ASN | AS22773 |
| Network Name | NETBLK-AT-CBS-70-183-224-0 |
| CIDR Block | 70.183.224.0/20 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | wsip-70-183-236-81.pn.at.cox.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | wsip-70-183-236-81.pn.at.cox.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 4/4 domains |
| DMARC | 4/4 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 4 domains |
☁️ 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 | — |
| 22 | ssh | tcp | — |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | 2023-06-17T13:46:49+00:00 |
| Valid Until | 2048-06-17T13:46:49+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 9132 days |
🛡️ Public Network Snapshot
| Origin ASN | AS22773 |
| Network Prefix | 70.183.224.0/20 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 30% | 2 | 8 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 15% | 2 | 2 |
| reputation | 19% | 1 | 3 |
| geolocation | 20% | 2 | 3 |
| Overall | 18% | 10 | 20 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-15 04:06:33 UTC |
| Last Seen | 2026-10-10 10:27:15 UTC |
| Profile Built | 2026-10-09 22:17:40 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 38 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 70.183.236.81
Who owns the IP address 70.183.236.81?
70.183.236.81 is registered to Cox Communications. The address falls within the 70.183.224.0/20 network block. Registration is held at ARIN.
Where is 70.183.236.81 located?
Geolocation data places 70.183.236.81 in Sunnyvale, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 70.183.236.81 malicious or safe?
70.183.236.81 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 70.183.236.81?
The reverse DNS (PTR) record for 70.183.236.81 is wsip-70-183-236-81.pn.at.cox.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 70.183.236.81?
Responsive ports observed on 70.183.236.81 include 80, 443, 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 70.183.236.81 a VPN, proxy, or data center address?
70.183.236.81 is classified as a residential network based on network ownership and behavioural analysis.