# 138.36.100.144 — IP Intelligence Summary

138.36.100.144 is an IPv4 address operated by AS264599 - SYNCONTEL TELECOMUNICACOES LTDA, BR (AS264599), with approximate network location Barreiras, Brazil. It belongs to a residential connection with reverse DNS name 144-100-36-138.syncontel.net.br. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/138.36.100.144
- Last updated: 2026-11-13

## Ownership

- Organization: SYNCONTEL TELECOMUNICAÇÕES LTDA
- Network name: 248001
- Allocated block: 138.36.100.0/22
- ASN: AS264599 (https://ipdebrief.com/asn/264599)
- Regional registry: ARIN
- Registered holder: SYNCONTEL TELECOMUNICAÇÕES LTDA
- Routing operator: AS264599 - SYNCONTEL TELECOMUNICACOES LTDA, BR
- Network registration country: BR
- Registrant address country: —

## Location

- City: Barreiras
- Region: Bahia
- Country: Brazil
- Time zone: —

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

- 144-100-36-138.syncontel.net.br
- Forward-confirmed: yes

## DNS posture

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

- caa: Not found at queried name (br)
- spf: Unknown / lookup inconclusive (144-100-36-138.syncontel.net.br)
- dmarc: Unknown / lookup inconclusive (_dmarc.144-100-36-138.syncontel.net.br)
- dnssec: Unknown / lookup inconclusive (144.100.36.138.in-addr.arpa)
- fcrDns: Unknown / lookup inconclusive (144-100-36-138.syncontel.net.br)

---

Source: IPDebrief, "138.36.100.144 IP intelligence", https://ipdebrief.com/138.36.100.144, updated 2026-11-13. Assessments are probabilistic.