AS51783
The Center of Dedicated Servers LLC
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
- Hosting allocation −6
- Trust score 59 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 85.143.168.0/22 | 1.0K |
92.4%
|
The Center of Dedicated Servers LLC | RU | — | — |
| 185.189.132.0/22 | 1.0K |
99.6%
|
The Center of Dedicated Servers LLC | RU | — | — |
| 5.8.66.0/23 | 512 |
98.8%
|
The Center of Dedicated Servers LLC | RU | — | — |
| 85.143.188.0/23 | 512 |
93.4%
|
The Center of Dedicated Servers LLC | RU | — | — |
| 91.221.70.0/23 | 512 |
99.4%
|
The Center of Dedicated Servers LLC | RU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51783 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 |
|---|---|---|
| 5.8.66.0/24 | 27,016 | 2026-07-19 15:51:27 |
| 5.8.67.0/24 | 26,998 | 2026-07-19 15:51:27 |
| 91.221.70.0/23 | 23,960 | 2026-07-19 15:52:56 |
| 85.143.188.0/23 | 23,920 | 2026-07-19 15:52:46 |
| 85.143.168.0/22 | 23,880 | 2026-07-19 15:52:46 |
| 185.189.132.0/22 | 22,758 | 2026-07-19 15:52:56 |
Frequently Asked Questions
What is AS51783?
AS51783 is an Autonomous System Number assigned to The Center of Dedicated Servers LLC. 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 AS51783 announce?
AS51783 announces 3.6K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Russia.
Who operates AS51783?
AS51783 is operated by The Center of Dedicated Servers LLC. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS51783 registered in?
AS51783 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
