109.181.128.0/17
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Long-established allocation (16y) +6
- Isp allocation +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 109.181.128.0/17
Geolocation
First 256 of 32,768 IP addresses in 109.181.128.0/17
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 109.180.0.0/15.
Frequently Asked Questions
What is 109.181.128.0/17?
109.181.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 109.181.128.0 to 109.181.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 109.181.128.0/17 network?
The 109.181.128.0/17 range is allocated to British Telecommunications Limited and announced via AS2856 from United Kingdom.