# 187.121.129.138 — IP Intelligence Summary

187.121.129.138 is an IPv4 address operated by SERCOMTEL S/A TELECOMUNICACOES (AS22689), geolocated to Duque de Caxias, Brazil. It belongs to a residential connection. As of November 7, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/187.121.129.138
- Last updated: 2026-11-07

## Ownership

- Organization: SERCOMTEL S/A TELECOMUNICACOES
- Network name: 244971
- Allocated block: 187.121.128.0/20
- ASN: AS22689 (https://ipdebrief.com/asn/22689)
- Regional registry: LACNIC

## Location

- City: Duque de Caxias
- Region: RJ
- Country: Brazil
- Time zone: America/Sao_Paulo

## Network classification

- Infrastructure type: Residential
- Datacenter / hosting: no
- Residential: yes
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Analyst narrative

The IP address 187.121.129.138 was identified as a low-risk residential endpoint located in Duque de Caxias, Brazil. Ownership records indicated assignment to SERCOMTEL S/A TELECOMUNICACOES (ASN 22689) within the 187.121.128.0/20 block. The address carried a risk score of 25 and was classified as "Low Risk."

Threat analysis showed the IP was not flagged as a known attacker, Tor exit node, or spam source. While the profile was labeled as a "Suspicious Host," no specific indicators were enumerated, and no known campaigns were associated. One DNSBL listing was recorded in control plane data, though the overall threat indicators list remained empty. Neighborhood analysis classified the subnet as clean with zero threat siblings.

Behavioral metrics recorded zero honeypot hits, enumeration strikes, or total incidents. The analysis recommended monitoring the address with low severity due to the clean neighborhood context and lack of active malicious behavior.

## Nearby addresses

- 187.121.129.11 (https://ipdebrief.com/187.121.129.11)
- 187.121.129.33 (https://ipdebrief.com/187.121.129.33)
- 187.121.129.35 (https://ipdebrief.com/187.121.129.35)
- 187.121.129.42 (https://ipdebrief.com/187.121.129.42)
- 187.121.129.46 (https://ipdebrief.com/187.121.129.46)
- 187.121.129.62 (https://ipdebrief.com/187.121.129.62)
- 187.121.129.128 (https://ipdebrief.com/187.121.129.128)
- 187.121.129.132 (https://ipdebrief.com/187.121.129.132)

---

Source: IPDebrief, "187.121.129.138 IP intelligence", https://ipdebrief.com/187.121.129.138, updated 2026-11-07. Assessments are probabilistic.