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 (36y) +6
- Isp allocation +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 144.87.0.0/19
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 144.87.0.0/20 | 4.1K | British Telecommunications Limited | AS2856 | GB |
| 144.87.16.0/21 | 2.0K | British Telecommunications Limited | AS2856 | GB |
| 144.87.24.0/21 | 2.0K | British Telecommunications Limited | AS2856 | GB |
First 256 of 8,192 IP addresses in 144.87.0.0/19
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | RIR Transfer | arin | ripe |
Frequently Asked Questions
What is 144.87.0.0/19?
144.87.0.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 144.87.0.0 to 144.87.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 144.87.0.0/19 network?
The 144.87.0.0/19 range is allocated to British Telecommunications Limited and announced via AS2856 from United Kingdom.