AS215821
London Digital Systems LTD
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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 45.84.101.0/24 | 256 |
0.0%
|
London Digital Systems LTD | US | — | — |
| 194.87.251.0/24 | 256 |
0.0%
|
Global Servers LTD | CZ | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS215821 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 45.84.101.0/24 | 5,472 | 2026-07-25 03:06:47 |
| 194.87.251.0/24 | 3,954 | 2026-07-25 03:06:47 |
Frequently Asked Questions
What is AS215821?
AS215821 is an Autonomous System Number assigned to London Digital Systems LTD. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS215821 announce?
AS215821 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.
Who operates AS215821?
AS215821 is operated by London Digital Systems LTD. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS215821 registered in?
AS215821 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
