# IP Intelligence Briefing: 177.55.226.228/32
Classification: Moderate Risk Residential Endpoint
Date: Current Intelligence Cycle
Region: Brazil (Minas Gerais, Belo Horizonte)
---
## Executive Summary
IP address 177.55.226.228 is a residential endpoint associated with Brazilian telecommunications provider BTT TELECOMUNICACOES S.A. (ASN 28656, CIDR 177.55.224.0/20). The IP carries a risk score of 50 (Moderate Risk) and is classified as a residential infrastructure type. No active threat indicators were detected, though the IP has been listed on 2 of 8 DNSBLs with high severity classifications.
---
## Ownership and Network Context
- Organization: BTT TELECOMUNICACOES S.A.
- ASN: 28656
- CIDR Block: 177.55.224.0/20
- Geolocation: Brazil (BR), Minas Gerais, Belo Horizonte
- DNS PTR: 177.55.226.228.blinktelecom.com.br
- Network Classification: Residential Endpoint
---
## Threat Assessment
Risk Score: 50 (Moderate)
Threat Indicators:
- Not flagged as known attacker
- Not a spam source
- Not a Tor exit node
- Not cloud, CDN, VPN, proxy, or hosting infrastructure
- Blacklist count: 0 (general), DNSBL listed: 2/8 lists
Historical Signals (12 observations):
Recent observations (2026-07-31) confirm residential classification and Brazilian geolocation. Blacklist listings observed with maximum severity rated as high. No persistent malicious behavior detected.
---
## Neighborhood Analysis
Subnet: 177.55.226.228/24
Abuse Density: 0
Risk Distribution: 3 low-risk, 0 medium-risk, 0 high-risk neighbors
Sibling IPs:
- 177.55.226.15: Risk Score 0
- 177.55.226.20: Risk Score 15
- 177.55.226.51: Risk Score 0
The surrounding subnet demonstrates minimal abuse activity, supporting the residential classification.
---
## Recommended Security Actions
Firewall Recommendations:
```bash
# iptables
iptables -A INPUT -s 177.55.226.228 -j DROP
# nftables
nft add rule inet filter input ip saddr 177.55.226.228 drop
# pfSense
177.55.226.228/32
# Cloudflare WAF
Action: Block
Expression: ip.src eq 177.55.226.228
# AWS WAF
Addresses: 177.55.226.228/32
Description: IPDebrief risk 50
```
Assessment: The IP carries moderate risk due to DNSBL listings despite clean threat profile. Block recommendation applies primarily to high-value assets or sensitive services where residential IP access is undesirable.
---
## Intelligence Narrative
This residential Brazilian IP (177.55.226.228) presents moderate risk primarily due to DNSBL associations (2/8 lists, high severity). The endpoint is legitimately assigned to BTT TELECOMUNICACOES S.A. infrastructure in Belo Horizonte. No active scanning, exploitation, or malicious behavior was observed in the signal history. The /24 neighborhood maintains low abuse density, suggesting isolated rather than coordinated activity.
Action Priority: Monitor or block based on service sensitivity. The IP is not indicative of active compromise but warrants firewall filtering for defensive posture against potential opportunistic attacks from residential networks.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | BTT TELECOMUNICACOES S.A. |
| ASN | AS28656 |
| Network Name | 167550 |
| CIDR Block | 177.55.224.0/20 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | 177.55.226.228.blinktelecom.com.br |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177.55.226.228.blinktelecom.com.br |
๐ DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
โ๏ธ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User โ Residential ISP endpoint |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 24% | 2 | 2 |
| reputation | 17% | 1 | 2 |
| geolocation | 17% | 1 | 1 |
| Overall | 22% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-30 23:20:09 UTC |
| Last Seen | 2026-08-08 04:21:20 UTC |
| Profile Built | 2026-08-08 04:26:41 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 19 |
Full dossier details are available via our API.