AS43773
PE Konstantin Vladimirovich Kravchenko
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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Web3 footprint
AS43773 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 91.200.40.0/22 | 1.0K |
99.6%
|
PE Konstantin Vladimirovich Kravchenko | UA | — | — |
| 91.225.136.0/22 | 1.0K |
99.6%
|
PE Konstantin Vladimirovich Kravchenko | UA | — | — |
| 91.225.138.0/23 | 512 |
0.0%
|
PE Konstantin Vladimirovich Kravchenko | CZ | — | — |
| 91.225.136.0/24 | 256 |
0.0%
|
PE Konstantin Vladimirovich Kravchenko | UA | — | — |
| 91.225.137.0/24 | 256 |
0.0%
|
PE Konstantin Vladimirovich Kravchenko | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS43773 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 |
|---|---|---|
| 91.225.136.0/24 | 13,076 | 2026-07-23 18:04:30 |
| 91.200.40.0/24 | 13,010 | 2026-07-23 18:05:30 |
| 91.200.42.0/24 | 12,942 | 2026-07-23 18:04:30 |
| 91.200.43.0/24 | 12,861 | 2026-07-23 18:14:02 |
| 91.200.41.0/24 | 12,850 | 2026-07-23 18:16:03 |
| 91.225.137.0/24 | 12,700 | 2026-07-23 18:05:30 |
| 91.225.139.0/24 | 3,217 | 2026-07-23 17:50:36 |
| 91.225.138.0/24 | 3,166 | 2026-07-23 17:50:36 |
Frequently Asked Questions
What is AS43773?
AS43773 is an Autonomous System Number assigned to PE Konstantin Vladimirovich Kravchenko. 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 AS43773 announce?
AS43773 announces 2.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Ukraine.
Who operates AS43773?
AS43773 is operated by PE Konstantin Vladimirovich Kravchenko. The organization is based in Ukraine. You can view all IP ranges and related ASNs on the organization page.
What country is AS43773 registered in?
AS43773 is registered in Ukraine. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
