# 147.78.131.197 — IP Intelligence Summary

147.78.131.197 is an IPv4 address operated by CONTABO - Contabo GmbH, DE (AS51167), with approximate network location Karlsruhe, Germany. It belongs to datacenter or hosting infrastructure with reverse DNS name vmi1913462.contaboserver.net. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/147.78.131.197
- Last updated: 2026-11-14

## Ownership

- Organization: Johannes Selg
- Network name: TT-20240522
- Allocated block: 147.78.130.0/23
- ASN: AS51167 (https://ipdebrief.com/asn/51167)
- Regional registry: ARIN
- Registered holder: Johannes Selg
- Routing operator: CONTABO - Contabo GmbH, DE
- Network registration country: DE
- Registrant address country: —
- Cloud / hosting provider: Contabo

## Location

- City: Karlsruhe
- Region: Baden-Wurttemberg
- Country: Germany
- Time zone: Europe/Berlin

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

## Network classification

- Infrastructure type: CloudCompute
- Datacenter / hosting: yes
- 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

- vmi1913462.contaboserver.net
- Forward-confirmed: yes

## Exposed services

- 80/tcp — http
- 443/tcp — https
- 22/tcp — ssh

## DNS posture

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

- caa: Not found at queried name (net)
- spf: Mixed results across queried names (aistackdigest.com, vmi1913462.contaboserver.net, www.aistackdigest.com)
- dmarc: Not found at queried name (_dmarc.aistackdigest.com, _dmarc.vmi1913462.contaboserver.net, _dmarc.www.aistackdigest.com)
- dnssec: Unknown / lookup inconclusive (197.131.78.147.in-addr.arpa)
- fcrDns: Present / verified (vmi1913462.contaboserver.net)

## TLS observations

- CN=aistackdigest.com; port unknown; target —; Historical certificate; current certificate unknown; valid until 2026-11-17T06:39:24.0000000+00:00

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Source: IPDebrief, "147.78.131.197 IP intelligence", https://ipdebrief.com/147.78.131.197, updated 2026-11-14. Assessments are probabilistic.