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 →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: MSK-IX Saint-Petersburg: MSK-IX Saint-Petersburg peering network, PITER-IX Saint-Petersburg: SPB_PEERING_VLAN, PITER-IX Helsinki, PITER-IX Frankfurt
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 79.173.80.0/20 | 4.1K |
17.3%
|
OOO IT-Region | RU | Leningrad Oblast | Gatchina |
| 94.243.192.0/20 | 4.1K |
0.0%
|
OOO IT-Region | RU | Leningrad Oblast | Kingisepp |
| 79.173.64.0/22 | 1.0K |
0.1%
|
OOO IT-Region | RU | Leningrad Oblast | Slantsy |
| 91.227.44.0/22 | 1.0K |
0.0%
|
OOO IT-Region | RU | Voronezh Oblast | Voronezh |
| 94.243.236.0/22 | 1.0K |
1.5%
|
OOO IT-Region | RU | Leningrad Oblast | Kingisepp |
| 193.111.252.0/22 | 1.0K |
0.0%
|
OOO IT-Region | RU | — | — |
| 79.173.77.0/24 | 256 |
1.2%
|
OOO IT-Region | RU | Leningrad Oblast | Gatchina |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS43966 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 |
|---|---|---|
| 91.227.44.0/22 | 14,210 | 2026-07-26 07:04:19 |
| 94.243.192.0/20 | 12,331 | 2026-07-26 07:04:19 |
| 79.173.80.0/20 | 12,270 | 2026-07-26 07:04:19 |
| 79.173.64.0/23 | 12,255 | 2026-07-26 07:04:19 |
| 79.173.66.0/23 | 12,149 | 2026-07-26 07:04:19 |
| 193.111.252.0/22 | 12,098 | 2026-07-26 07:04:19 |
| 79.173.65.0/24 | 11,911 | 2026-07-26 07:04:19 |
| 94.243.192.0/21 | 11,731 | 2026-07-26 07:04:19 |
| 94.243.200.0/21 | 11,570 | 2026-07-26 07:04:19 |
| 79.173.66.0/24 | 11,566 | 2026-07-26 07:04:19 |
| 79.173.64.0/24 | 11,555 | 2026-07-26 07:04:19 |
| 94.243.236.0/22 | 11,454 | 2026-07-26 07:04:19 |
| 79.173.88.0/21 | 11,333 | 2026-07-26 07:04:19 |
| 79.173.80.0/21 | 10,806 | 2026-07-26 07:04:19 |
| 79.173.84.0/22 | 10,790 | 2026-07-26 07:04:19 |
| 79.173.77.0/24 | 7,572 | 2026-07-26 07:04:19 |
Frequently Asked Questions
What is AS43966?
AS43966 is an Autonomous System Number assigned to OOO IT-Region. 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 AS43966 announce?
AS43966 announces 12.5K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Russia.
Who operates AS43966?
AS43966 is operated by OOO IT-Region. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS43966 registered in?
AS43966 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
