# 191.251.133.173 — IP Intelligence Summary

191.251.133.173 is an IPv4 address, with approximate network location Taboão da Serra, Brazil. Its reverse DNS name is 191.251.133.173.dynamic.adsl.gvt.net.br. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/191.251.133.173
- Last updated: 2026-11-12

## Ownership

- Organization: —
- Network name: —
- Allocated block: —
- ASN: —
- Regional registry: —
- Registered holder: —
- Routing operator: —
- Network registration country: —
- Registrant address country: —

## Location

- City: Taboão da Serra
- 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

- 191.251.133.173.dynamic.adsl.gvt.net.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

## Nearby addresses

- 191.251.133.158 (https://ipdebrief.com/191.251.133.158)

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Source: IPDebrief, "191.251.133.173 IP intelligence", https://ipdebrief.com/191.251.133.173, updated 2026-11-12. Assessments are probabilistic.