# 81.17.100.193 — IP Intelligence Summary

81.17.100.193 is an IPv4 address operated by CONTABO - Contabo GmbH, DE (AS51167), with approximate network location Lauterbourg, France. Its reverse DNS name is vmi2944600.contaboserver.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/81.17.100.193
- Last updated: 2026-11-13

## Ownership

- Organization: MNT-CONTABO
- Network name: TT-20240404
- Allocated block: 81.17.100.0/22
- ASN: AS51167 (https://ipdebrief.com/asn/51167)
- Regional registry: RIPE
- Registered holder: MNT-CONTABO
- Routing operator: CONTABO - Contabo GmbH, DE
- Network registration country: DE
- Registrant address country: —
- Cloud / hosting provider: Contabo

## Location

- City: Lauterbourg
- Region: Grand Est
- Country: France
- Time zone: Europe/Paris

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

- vmi2944600.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: Unknown / lookup inconclusive (app5.cloudtrack.uk, app6.cloudtrack.uk, app7.cloudtrack.uk, vmi2944600.contaboserver.net)
- dmarc: Unknown / lookup inconclusive (_dmarc.app5.cloudtrack.uk, _dmarc.app6.cloudtrack.uk, _dmarc.app7.cloudtrack.uk, _dmarc.vmi2944600.contaboserver.net)
- dnssec: Unknown / lookup inconclusive (193.100.17.81.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (vmi2944600.contaboserver.net)

## TLS observations

- CN=app5.cloudtrack.uk; port unknown; target —; Historical certificate; current certificate unknown; valid until 2026-11-17T12:34:32.0000000+00:00

## Nearby addresses

- 81.17.100.9 (https://ipdebrief.com/81.17.100.9)
- 81.17.100.190 (https://ipdebrief.com/81.17.100.190)

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Source: IPDebrief, "81.17.100.193 IP intelligence", https://ipdebrief.com/81.17.100.193, updated 2026-11-13. Assessments are probabilistic.