# 177.192.19.87 — IP Intelligence Summary

177.192.19.87 is an IPv4 address announced by AS28573, with approximate network location Rio de Janeiro, Brazil. It belongs to a mobile network with reverse DNS name b1c01357.virtua.com.br. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/177.192.19.87
- Last updated: 2026-11-12

## Ownership

- Organization: Claro NXT Telecomunicacoes Ltda
- Network name: 189831
- Allocated block: 177.192.0.0/14
- ASN: AS28573 (https://ipdebrief.com/asn/28573)
- Regional registry: LACNIC
- Registered holder: Claro NXT Telecomunicacoes Ltda
- Routing operator: —
- Network registration country: BR
- Registrant address country: —

## Location

- City: Rio de Janeiro
- Region: RJ
- Country: Brazil
- Time zone: America/Sao_Paulo

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

## Network classification

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

- b1c01357.virtua.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

## Nearby addresses

- 177.192.19.35 (https://ipdebrief.com/177.192.19.35)
- 177.192.19.41 (https://ipdebrief.com/177.192.19.41)
- 177.192.19.88 (https://ipdebrief.com/177.192.19.88)

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Source: IPDebrief, "177.192.19.87 IP intelligence", https://ipdebrief.com/177.192.19.87, updated 2026-11-12. Assessments are probabilistic.