156.59.183.91 is an IPv4 address operated by ZEN-ECN - Zenlayer Inc, US (AS21859), with approximate network location Seoul, South Korea. As of November 14, 2026, IPDebrief rates it Low Risk (5/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Zenlayer Singapore PTE LTD administrator |
| ASN | AS21859 |
| Network Name | ZEN-KR |
| CIDR Block | 156.59.180.0/22 |
| RIR | ARIN |
| Network registration country | KR |
| Routing operator | ZEN-ECN - Zenlayer Inc, US |
| Abuse Contact | Available via RDAP |
🌐 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
91.183.59.156.in-addr.arpa |
| fcrDns | Not applicable |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 16 signal types · 17 observations collected
This report is generated from 16+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 156.59.183.91
Who owns the IP address 156.59.183.91?
156.59.183.91 is registered to Zenlayer Singapore PTE LTD administrator. The address falls within the 156.59.180.0/22 network block. Registration is held at ARIN.
Where is 156.59.183.91 located?
Geolocation data places 156.59.183.91 in Seoul, Seoul, South Korea. The local time zone is Asia/Seoul. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 156.59.183.91 malicious or safe?
156.59.183.91 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.
