# 139.28.41.163 — IP Intelligence Summary

139.28.41.163 is an IPv4 address announced by AS47273, with approximate network location Krakow, Poland. Its reverse DNS name is 139-28-41-163.artus.net.pl. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/139.28.41.163
- Last updated: 2026-11-12

## Ownership

- Organization: Krzysztof Koczur
- Network name: PL-ARTUS-20181228
- Allocated block: 139.28.40.0/22
- ASN: AS47273 (https://ipdebrief.com/asn/47273)
- Regional registry: ARIN
- Registered holder: Krzysztof Koczur
- Routing operator: —
- Network registration country: PL
- Registrant address country: —

## Location

- City: Krakow
- Region: Lesser Poland
- Country: Poland
- Time zone: Europe/Warsaw

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 (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- 139-28-41-163.artus.net.pl
- Forward-confirmed: yes

## DNS posture

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

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

## Nearby addresses

- 139.28.41.36 (https://ipdebrief.com/139.28.41.36)
- 139.28.41.136 (https://ipdebrief.com/139.28.41.136)

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Source: IPDebrief, "139.28.41.163 IP intelligence", https://ipdebrief.com/139.28.41.163, updated 2026-11-12. Assessments are probabilistic.
