# 138.36.57.1 — IP Intelligence Summary

138.36.57.1 is an IPv4 address announced by AS52613, with approximate network location Mauá, Brazil. It belongs to a residential connection with reverse DNS name 138-36-57-1.static.sumicity.net.br. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/138.36.57.1
- Last updated: 2026-11-13

## Ownership

- Organization: GIGA MAIS FIBRA TELECOMUNICACOES S.A.
- Network name: 246027
- Allocated block: 138.36.56.0/22
- ASN: AS52613 (https://ipdebrief.com/asn/52613)
- Regional registry: ARIN
- Registered holder: GIGA MAIS FIBRA TELECOMUNICACOES S.A.
- Routing operator: —
- Network registration country: BR
- Registrant address country: —

## Location

- City: Mauá
- 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: Residential
- Datacenter / hosting: no
- Residential: yes
- 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

- 138-36-57-1.static.sumicity.net.br
- 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

## Nearby addresses

- 138.36.57.51 (https://ipdebrief.com/138.36.57.51)
- 138.36.57.55 (https://ipdebrief.com/138.36.57.55)
- 138.36.57.75 (https://ipdebrief.com/138.36.57.75)
- 138.36.57.247 (https://ipdebrief.com/138.36.57.247)

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Source: IPDebrief, "138.36.57.1 IP intelligence", https://ipdebrief.com/138.36.57.1, updated 2026-11-13. Assessments are probabilistic.