206.0.11.100
206.0.11.100 is an IPv4 address operated by AS263656 - BRSULNET TELECOM LTDA, BR (AS263656), with approximate network location São Marcos, Brazil. It belongs to a residential connection with reverse DNS name b-206-0-11-100.brsulnet.net.br. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | BRSULNET TELECOM LTDA |
| ASN | AS263656 |
| Network Name | BRSULNET-CGNT-NET-1 |
| CIDR Block | 206.0.8.0/21 |
| RIR | ARIN |
| Network registration country | Brazil |
| Routing operator | AS263656 - BRSULNET TELECOM LTDA, BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | b-206-0-11-100.brsulnet.net.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | b-206-0-11-100.brsulnet.net.br |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not found at queried name br |
| spf | Unknown / lookup inconclusive b-206-0-11-100.brsulnet.net.br |
| dmarc | Unknown / lookup inconclusive _dmarc.b-206-0-11-100.brsulnet.net.br |
| dnssec | Unknown / lookup inconclusive 100.11.0.206.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive b-206-0-11-100.brsulnet.net.br |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS263656 |
| Network Prefix | 206.0.8.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 20% | 1 | 1 |
| routing | 20% | 1 | 1 |
| services | 20% | 1 | 1 |
| ownership | 28% | 2 | 2 |
| reputation | 20% | 1 | 1 |
| geolocation | 20% | 1 | 1 |
| Overall | 21% | 7 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 21:17:37 UTC |
| Last Seen | 2026-11-07 19:20:04 UTC |
| Profile Built | 2026-11-13 09:05:40 UTC |
| Data Freshness | Live |
| Signal Types | 14 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 206.0.11.100
Who owns the IP address 206.0.11.100?
206.0.11.100 is registered to BRSULNET TELECOM LTDA. The address falls within the 206.0.8.0/21 network block. Registration is held at ARIN.
Where is 206.0.11.100 located?
Geolocation data places 206.0.11.100 in São Marcos, Rio Grande do Sul, Brazil. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 206.0.11.100 malicious or safe?
206.0.11.100 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 206.0.11.100?
The reverse DNS (PTR) record for 206.0.11.100 is b-206-0-11-100.brsulnet.net.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 206.0.11.100 a VPN, proxy, or data center address?
206.0.11.100 is classified as a residential network based on network ownership and behavioural analysis.