# 188.78.23.73 — IP Intelligence Summary

188.78.23.73 is an IPv4 address announced by AS12479, with approximate network location Madrid, Spain. It belongs to a mobile network with reverse DNS name 73.23.78.188.dynamic.jazztel.es. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/188.78.23.73
- Last updated: 2026-11-11

## Ownership

- Organization: JAZZTEL RIPE
- Network name: JAZZTEL-TRIPLEPLAY
- Allocated block: 188.78.0.0/17
- ASN: AS12479 (https://ipdebrief.com/asn/12479)
- Regional registry: RIPE
- Registered holder: JAZZTEL RIPE
- Routing operator: —
- Network registration country: ES
- Registrant address country: —

## Location

- City: Madrid
- Region: Madrid
- Country: Spain
- Time zone: Europe/Madrid

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

## Reverse DNS

- 73.23.78.188.dynamic.jazztel.es
- 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, "188.78.23.73 IP intelligence", https://ipdebrief.com/188.78.23.73, updated 2026-11-11. Assessments are probabilistic.