# 156.59.183.91 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/156.59.183.91
- Last updated: 2026-11-14

## Ownership

- Organization: Zenlayer Singapore PTE LTD administrator
- Network name: ZEN-KR
- Allocated block: 156.59.180.0/22
- ASN: AS21859 (https://ipdebrief.com/asn/21859)
- Regional registry: ARIN
- Registered holder: Zenlayer Singapore PTE LTD administrator
- Routing operator: ZEN-ECN - Zenlayer Inc, US
- Network registration country: KR
- Registrant address country: —

## Location

- City: Seoul
- Region: Seoul
- Country: South Korea
- Time zone: Asia/Seoul

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (5/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not applicable (—)
- spf: Not checked
- dmarc: Not checked
- dnssec: Unknown / lookup inconclusive (91.183.59.156.in-addr.arpa)
- fcrDns: Not checked

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Source: IPDebrief, "156.59.183.91 IP intelligence", https://ipdebrief.com/156.59.183.91, updated 2026-11-14. Assessments are probabilistic.