# 191.209.37.18 — IP Intelligence Summary

191.209.37.18 is an IPv4 address announced by AS27699, with approximate network location Adamantina, Brazil. Its reverse DNS name is 191-209-37-18.user.vivozap.com.br. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/191.209.37.18
- Last updated: 2026-11-12

## Ownership

- Organization: TELEFÔNICA BRASIL S.A
- Network name: 216347
- Allocated block: 191.208.0.0/14
- ASN: AS27699 (https://ipdebrief.com/asn/27699)
- Regional registry: LACNIC
- Registered holder: TELEFÔNICA BRASIL S.A
- Routing operator: —
- Network registration country: BR
- Registrant address country: —

## Location

- City: Adamantina
- Region: SP
- Country: Brazil
- Time zone: America/Sao_Paulo

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

- 191-209-37-18.user.vivozap.com.br
- Forward-confirmed: no

## 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, "191.209.37.18 IP intelligence", https://ipdebrief.com/191.209.37.18, updated 2026-11-12. Assessments are probabilistic.