# 189.51.223.19 — IP Intelligence Summary

189.51.223.19 is an IPv4 address operated by AS28580 - Cilnet Comunicacao e Informatica S.A., BR (AS28580), with approximate network location Tatuí, Brazil. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/189.51.223.19
- Last updated: 2026-11-13

## Ownership

- Organization: Cilnet Comunicação e Informática S.A.
- Network name: 410099
- Allocated block: 189.51.208.0/20
- ASN: AS28580 (https://ipdebrief.com/asn/28580)
- Regional registry: LACNIC
- Registered holder: Cilnet Comunicação e Informática S.A.
- Routing operator: AS28580 - Cilnet Comunicacao e Informatica S.A., BR
- Network registration country: BR
- Registrant address country: —

## Location

- City: Tatuí
- Region: São Paulo
- Country: Brazil
- Time zone: —

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

## Exposed services

- 8080/tcp — http-alt

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- caa: Not checked
- spf: Not checked
- dmarc: Not checked
- dnssec: Not checked
- fcrDns: Not checked

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Source: IPDebrief, "189.51.223.19 IP intelligence", https://ipdebrief.com/189.51.223.19, updated 2026-11-13. Assessments are probabilistic.