109.136.1.45 is an IPv4 address announced by AS5432, with approximate network location Brussels, Belgium. It belongs to a mobile network with reverse DNS name 45.1-136-109.fia-dyn.isp.proximus.be. As of November 5, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Belgacom Internet Expertise Center |
| ASN | AS5432 |
| Network Name | BE-BELGACOM-20090727 |
| CIDR Block | 109.128.0.0/12 |
| RIR | ARIN |
| Network registration country | BE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 45.1-136-109.fia-dyn.isp.proximus.be |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 45.1-136-109.fia-dyn.isp.proximus.be |
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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS5432 |
| Network Prefix | 109.136.0.0/16 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-04 11:50:22 UTC |
| Last Seen | 2026-11-05 20:57:32 UTC |
| Profile Built | 2026-11-05 21:01:13 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 15 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 109.136.1.45
Who owns the IP address 109.136.1.45?
109.136.1.45 is registered to Belgacom Internet Expertise Center. The address falls within the 109.128.0.0/12 network block. Registration is held at ARIN.
Where is 109.136.1.45 located?
Geolocation data places 109.136.1.45 in Brussels, Brussels Capital, Belgium. The local time zone is Europe/Brussels. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 109.136.1.45 malicious or safe?
109.136.1.45 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 109.136.1.45?
The reverse DNS (PTR) record for 109.136.1.45 is 45.1-136-109.fia-dyn.isp.proximus.be. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 109.136.1.45 a VPN, proxy, or data center address?
109.136.1.45 is classified as a mobile network based on network ownership and behavioural analysis.