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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.

78.244.77.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.244.77.0
Broadcast
78.244.77.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8486 , 2.43769
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.243.1.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.243.1.0
Broadcast
78.243.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
44.1641 , -1.0334
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.243.84.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.243.84.0
Broadcast
78.243.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.6897 , 2.51186
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.169.44.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.169.44.0
Broadcast
37.169.44.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.1996 , 3.71174
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.167.62.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.167.62.0
Broadcast
37.167.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.2951 , 5.3861
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.166.16.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.166.16.0
Broadcast
37.166.16.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9414 , 1.99137
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.165.142.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.165.142.0
Broadcast
37.165.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8765 , 2.63982
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.167.47.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.167.47.0
Broadcast
37.167.47.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3439 , 5.3767
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.167.64.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.167.64.0
Broadcast
37.167.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3017 , 5.38
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.167.95.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.167.95.0
Broadcast
37.167.95.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.2951 , 5.3861
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.170.92.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.170.92.0
Broadcast
37.170.92.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.2022 , -4.28303
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.171.109.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.171.109.0
Broadcast
37.171.109.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.0014 , 1.19305
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.242.142.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.242.142.0
Broadcast
78.242.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7453 , 2.46467
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.243.120.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.243.120.0
Broadcast
78.243.120.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.4944 , 0.74588
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.244.5.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.244.5.0
Broadcast
78.244.5.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.7587 , 0.30319
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.240.94.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.240.94.0
Broadcast
78.240.94.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
44.8649 , -0.59864
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.242.84.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.242.84.0
Broadcast
78.242.84.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.2285 , 6.74212
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.244.204.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.244.204.0
Broadcast
78.244.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.1557 , -1.71662
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.242.153.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.242.153.0
Broadcast
78.242.153.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2608 , 2.16427
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.167.116.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.167.116.0
Broadcast
37.167.116.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3178 , 5.4125
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.167.102.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.167.102.0
Broadcast
37.167.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.3039 , 5.3937
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.242.135.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.242.135.0
Broadcast
78.242.135.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.6604 , 1.48264
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.166.195.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.166.195.0
Broadcast
37.166.195.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.5931 , -1.30352
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.245.232.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.245.232.0
Broadcast
78.245.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.7699 , -0.56768
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.241.97.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.241.97.0
Broadcast
78.241.97.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.9299 , 2.22782
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.243.170.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.243.170.0
Broadcast
78.243.170.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.0115 , 2.36018
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.241.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.241.243.0
Broadcast
78.241.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.1076 , 3.08651
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.241.223.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.241.223.0
Broadcast
78.241.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.1372 , -2.19172
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.241.203.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.241.203.0
Broadcast
78.241.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.1434 , -1.68902
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.240.82.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.240.82.0
Broadcast
78.240.82.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.8967 , 2.25666
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.245.60.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.245.60.0
Broadcast
78.245.60.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.9971 , 2.28249
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.240.53.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.240.53.0
Broadcast
78.240.53.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.81 , 2.35403
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.240.32.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.240.32.0
Broadcast
78.240.32.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.2285 , -1.13605
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.246.147.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.246.147.0
Broadcast
78.246.147.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.748 , 4.85
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.240.175.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.240.175.0
Broadcast
78.240.175.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1833 , -0.40426
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

78.246.181.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
78.246.181.0
Broadcast
78.246.181.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
45.748 , 4.85
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.174.197.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.174.197.0
Broadcast
37.174.197.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.2635 , -1.67222
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
— · Free Mobile
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.171.106.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.171.106.0
Broadcast
37.171.106.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
48.5316 , 2.62829
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.170.1.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.170.1.0
Broadcast
37.170.1.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
49.1596 , 5.3829
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Top geo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

37.166.30.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.166.30.0
Broadcast
37.166.30.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
47.2115 , -1.651
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS51207 · Free Mobile SAS
Top organization / ISP
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2