# 78.51.31.91 — IP Intelligence Summary

78.51.31.91 is an IPv4 address operated by TDDE-ASN1 - Telefonica Germany GmbH & Co.OHG, DE (AS6805), with approximate network location New York, United States. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/78.51.31.91
- Last updated: 2026-11-14

## Ownership

- Organization: HanseNet Network Operators
- Network name: HANSENET-ADSL
- Allocated block: 78.50.192.0/18
- ASN: AS6805 (https://ipdebrief.com/asn/6805)
- Regional registry: RIPE
- Registered holder: HanseNet Network Operators
- Routing operator: TDDE-ASN1 - Telefonica Germany GmbH & Co.OHG, DE
- Network registration country: DE
- Registrant address country: —

## Location

- City: New York
- Region: US-NY
- Country: United States
- Time zone: America/New_York

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

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: yes
- 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

## DNS posture

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

- caa: Unknown / lookup inconclusive (51.pool.telefonica.de)
- spf: Not checked
- dmarc: Not checked
- dnssec: Unknown / lookup inconclusive (91.31.51.78.in-addr.arpa)
- fcrDns: Not checked

## Nearby addresses

- 78.51.31.141 (https://ipdebrief.com/78.51.31.141)
- 78.51.31.158 (https://ipdebrief.com/78.51.31.158)

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Source: IPDebrief, "78.51.31.91 IP intelligence", https://ipdebrief.com/78.51.31.91, updated 2026-11-14. Assessments are probabilistic.