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Interesting Subnets

Directory of active subnets observed by Syndu. Each row is the latest cached SubnetSnapshot per subnet and includes: density, traffic, geo/ASN representatives, and risk distribution.
Active filter: Net By Net Holding LLC (Cheboksary) · Clear
Snapshot 2026-01-27 Results 8 Page 1 / 1

213.88.51.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
213.88.51.0
Broadcast
213.88.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
46.3529 , 48.0439
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-21 12:24 · 2025-09-21 12:24
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Astrakhan Oblast · Astrakhan
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

37.232.214.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.232.214.0
Broadcast
37.232.214.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.136 , 47.2513
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 11:45 · 2025-12-14 11:45
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Cheboksary
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

46.187.51.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.187.51.0
Broadcast
46.187.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.136 , 47.2513
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-07 09:34 · 2025-10-07 09:34
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Cheboksary
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

37.232.255.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.232.255.0
Broadcast
37.232.255.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.136 , 47.2513
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-28 17:03 · 2025-09-28 17:03
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Cheboksary
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

46.187.2.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.187.2.0
Broadcast
46.187.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.1078 , 47.4781
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-21 18:22 · 2025-09-21 18:22
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Novocheboksarsk
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

46.187.10.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.187.10.0
Broadcast
46.187.10.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.1078 , 47.4781
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-20 13:53 · 2025-09-20 13:53
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Novocheboksarsk
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

37.232.219.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.232.219.0
Broadcast
37.232.219.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.136 , 47.2513
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-15 16:12 · 2025-09-15 16:12
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Cheboksary
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

46.187.43.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.187.43.0
Broadcast
46.187.43.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
56.136 , 47.2513
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-02 22:20 · 2025-08-02 22:20
Top ASN
AS12714 · PJSC MegaFon
Top organization / ISP
Net By Net Holding LLC · Net By Net Holding LLC (Cheboksary)
Top geo
Russia · Chuvash Republic · Cheboksary
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →