# 131.159.252.5 — IP Intelligence Summary

131.159.252.5 is an IPv4 address announced by AS209335, with approximate network location Munich, Germany. Its reverse DNS name is nz-bb2-aer2-2wr.rbg.tum.de. As of October 17, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/131.159.252.5
- Last updated: 2026-10-17

## Ownership

- Organization: Technical University of Munich
- Network name: TUM-CIT-ITO
- Allocated block: 131.159.0.0/16
- ASN: AS209335 (https://ipdebrief.com/asn/209335)
- Regional registry: ARIN
- Registered holder: Technical University of Munich
- Routing operator: —
- Network registration country: DE
- Registrant address country: —

## Location

- City: Munich
- Region: Bavaria
- Country: Germany
- Time zone: Europe/Berlin

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

- nz-bb2-aer2-2wr.rbg.tum.de
- 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

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Source: IPDebrief, "131.159.252.5 IP intelligence", https://ipdebrief.com/131.159.252.5, updated 2026-10-17. Assessments are probabilistic.