86.134.13.136
The IP address 86.134.13.136/32 was identified as belonging to BT CENTRAL PLUS - OPERATIONAL SUPPORT (ASN 2856) within the BT-CENTRAL-PLUS network (86.128.0.0/13). Analysis of the network role indicated the asset was firewalled with no open services or active ports. Geolocation data suggested a location in Swadlincote, England, though geo-validation sources disagreed, citing the United States as an alternative origin.
Threat intelligence records showed no association with known campaigns or active attacker behavior. However, the address appeared on one of eight DNSBLs, resulting in a low-risk reputation score of 25. DNS resolution confirmed a PTR hostname pointing to the BT central plus range, with forward resolution active.
Despite a live observation status on 2026-09-12, overall confidence remained very low at 0.1667 due to signal contradictions. Behavioral analysis detected no WAF violations, enumeration strikes, or honeypot hits. The recommended action was to monitor the asset for changes given the conflicting geographic and stability data.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | BT CENTRAL PLUS - OPERATIONAL SUPPORT |
| ASN | AS2856 |
| Network Name | BT-CENTRAL-PLUS |
| CIDR Block | 86.128.0.0/13 |
| RIR | RIPE |
| Country | GB |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | host86-134-13-136.range86-134.btcentralplus.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | host86-134-13-136.range86-134.btcentralplus.com |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-12 08:25:15 UTC |
| Last Seen | 2026-09-12 08:25:15 UTC |
| Profile Built | 2026-09-12 08:37:08 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.