# 88.140.106.121 — IP Intelligence Summary

88.140.106.121 is an IPv4 address announced by AS15557, with approximate network location Boulogne-Billancourt, France. It belongs to a mobile network with reverse DNS name 121.106.140.88.rev.sfr.net. As of November 9, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/88.140.106.121
- Last updated: 2026-11-09

## Ownership

- Organization: SFR Legal Contact
- Network name: SFR-USER-DATA
- Allocated block: 88.140.96.0/19
- ASN: AS15557 (https://ipdebrief.com/asn/15557)
- Regional registry: RIPE
- Registered holder: SFR Legal Contact
- Routing operator: —
- Network registration country: FR
- Registrant address country: —

## Location

- City: Boulogne-Billancourt
- Region: Île-de-France
- 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: 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

- 121.106.140.88.rev.sfr.net
- 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, "88.140.106.121 IP intelligence", https://ipdebrief.com/88.140.106.121, updated 2026-11-09. Assessments are probabilistic.