23.234.109.156
An analysis of IP 23.234.109.156/32 determined a Low Risk classification with a risk score of 25. Ownership records attributed the address to Shen Tong Data (ASN 11878) under the TZULO netname. Forward DNS resolution confirmed the hostname static-23-234-109-156.cust.tzulo.com. No open ports or active services were detected, and the network role was identified as firewalled. Geolocation consensus placed the host in Atlanta, Georgia, though RTT physics measurements contradicted this claim with a distance of 7164.8 km versus a measured 35 ms RTT. No threat indicators, known campaigns, or blacklist entries were associated with the address. The subnet classification remained clean with zero threat siblings. DNS hygiene scored excellent with valid SPF, DMARC, and DNSSEC. The investigation concluded with a Monitor recommendation at low severity due to signal contradictions and very low overall confidence.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Shen Tong Data |
| ASN | AS11878 |
| Network Name | TZULO |
| CIDR Block | 23.234.109.152/29 |
| RIR | ARIN |
| Country | China |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | static-23-234-109-156.cust.tzulo.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | static-23-234-109-156.cust.tzulo.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | AS11878 |
| Network Prefix | 23.234.109.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 20% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 13% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-17 23:22:13 UTC |
| Last Seen | 2026-09-15 09:09:21 UTC |
| Profile Built | 2026-09-15 09:49:25 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 31 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 23.234.109.156
Who owns the IP address 23.234.109.156?
23.234.109.156 is registered to Shen Tong Data. The address falls within the 23.234.109.152/29 network block. Registration is held at ARIN.
Where is 23.234.109.156 located?
Geolocation data places 23.234.109.156 in Atlanta, Georgia, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 23.234.109.156 malicious or safe?
23.234.109.156 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 23.234.109.156?
The reverse DNS (PTR) record for 23.234.109.156 is static-23-234-109-156.cust.tzulo.com. This hostname is forward-confirmed, meaning it resolves back to the same address.