72.215.34.135 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-72-215-34-135.pn.at.cox.net. As of October 8, 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-72-215-32-0 |
| CIDR Block | 72.215.32.0/20 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | wsip-72-215-34-135.pn.at.cox.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | wsip-72-215-34-135.pn.at.cox.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 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 | 2024-02-03T08:27:34+00:00 |
| Valid Until | 2049-02-03T08:27:34+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 | 72.215.32.0/20 |
| 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 | 39% | 2 | 8 |
| routing | 8% | 1 | 1 |
| services | 20% | 2 | 3 |
| ownership | 25% | 2 | 3 |
| reputation | 31% | 1 | 5 |
| geolocation | 30% | 2 | 5 |
| Overall | 25% | 10 | 25 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-13 21:32:47 UTC |
| Last Seen | 2026-10-09 04:09:40 UTC |
| Profile Built | 2026-10-08 15:59:04 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 36 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 72.215.34.135
Who owns the IP address 72.215.34.135?
72.215.34.135 is registered to Cox Communications. The address falls within the 72.215.32.0/20 network block. Registration is held at ARIN.
Where is 72.215.34.135 located?
Geolocation data places 72.215.34.135 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 72.215.34.135 malicious or safe?
72.215.34.135 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 72.215.34.135?
The reverse DNS (PTR) record for 72.215.34.135 is wsip-72-215-34-135.pn.at.cox.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 72.215.34.135?
Responsive ports observed on 72.215.34.135 include 80, 443, 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 72.215.34.135 a VPN, proxy, or data center address?
72.215.34.135 is classified as a residential network based on network ownership and behavioural analysis.