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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.

5.21.134.0/24

Risk Max LOW Footprint 10.938% Hits 35
Prefix / IP version
/24 · IPv4
Network
5.21.134.0
Broadcast
5.21.134.255
Observed IPs / Subnet size
28 observed · 256 total
Centroid
23.629028571428563 , 58.28158571428571
Hits / Errors
35 hits · 2 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.142.0/24

Risk Max LOW Footprint 10.547% Hits 33
Prefix / IP version
/24 · IPv4
Network
5.21.142.0
Broadcast
5.21.142.255
Observed IPs / Subnet size
27 observed · 256 total
Centroid
23.632121212121206 , 58.27428181818181
Hits / Errors
33 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.140.0/24

Risk Max LOW Footprint 10.156% Hits 36
Prefix / IP version
/24 · IPv4
Network
5.21.140.0
Broadcast
5.21.140.255
Observed IPs / Subnet size
26 observed · 256 total
Centroid
23.65489722222221 , 58.22049166666667
Hits / Errors
36 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.141.0/24

Risk Max LOW Footprint 8.203% Hits 25
Prefix / IP version
/24 · IPv4
Network
5.21.141.0
Broadcast
5.21.141.255
Observed IPs / Subnet size
21 observed · 256 total
Centroid
23.642296 , 58.250252
Hits / Errors
25 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.133.0/24

Risk Max LOW Footprint 7.812% Hits 28
Prefix / IP version
/24 · IPv4
Network
5.21.133.0
Broadcast
5.21.133.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
23.632217857142855 , 58.27405357142857
Hits / Errors
28 hits · 2 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.64.0/24

Risk Max LOW Footprint 7.812% Hits 25
Prefix / IP version
/24 · IPv4
Network
37.28.64.0
Broadcast
37.28.64.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
23.638723999999993 , 58.258688
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.132.0/24

Risk Max LOW Footprint 7.812% Hits 25
Prefix / IP version
/24 · IPv4
Network
5.21.132.0
Broadcast
5.21.132.255
Observed IPs / Subnet size
20 observed · 256 total
Centroid
23.642295999999998 , 58.250252
Hits / Errors
25 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.66.0/24

Risk Max LOW Footprint 7.422% Hits 24
Prefix / IP version
/24 · IPv4
Network
37.28.66.0
Broadcast
37.28.66.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
23.61892916666666 , 58.305437500000004
Hits / Errors
24 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.74.0/24

Risk Max LOW Footprint 7.422% Hits 22
Prefix / IP version
/24 · IPv4
Network
37.28.74.0
Broadcast
37.28.74.255
Observed IPs / Subnet size
19 observed · 256 total
Centroid
23.62670909090909 , 58.28706363636365
Hits / Errors
22 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.72.0/24

Risk Max LOW Footprint 6.641% Hits 21
Prefix / IP version
/24 · IPv4
Network
37.28.72.0
Broadcast
37.28.72.255
Observed IPs / Subnet size
17 observed · 256 total
Centroid
23.650290476190477 , 58.23137142857143
Hits / Errors
21 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.135.0/24

Risk Max LOW Footprint 3.906% Hits 11
Prefix / IP version
/24 · IPv4
Network
5.21.135.0
Broadcast
5.21.135.255
Observed IPs / Subnet size
10 observed · 256 total
Centroid
23.642945454545455 , 58.248718181818184
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.67.0/24

Risk Max LOW Footprint 2.734% Hits 12
Prefix / IP version
/24 · IPv4
Network
37.28.67.0
Broadcast
37.28.67.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
23.61520833333333 , 58.314225
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.143.0/24

Risk Max LOW Footprint 2.734% Hits 7
Prefix / IP version
/24 · IPv4
Network
5.21.143.0
Broadcast
5.21.143.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
23.641785714285714 , 58.251457142857134
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.65.0/24

Risk Max LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
37.28.65.0
Broadcast
37.28.65.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
23.644975000000002 , 58.243925
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.19.0/24

Risk Max LOW Footprint 1.953% Hits 9
Prefix / IP version
/24 · IPv4
Network
37.28.19.0
Broadcast
37.28.19.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
23.578 , 58.40209999999999
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

46.40.195.0/24

Risk Max LOW Footprint 1.953% Hits 8
Prefix / IP version
/24 · IPv4
Network
46.40.195.0
Broadcast
46.40.195.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
23.578 , 58.402100000000004
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

145.255.86.0/24

Risk Max LOW Footprint 1.953% Hits 5
Prefix / IP version
/24 · IPv4
Network
145.255.86.0
Broadcast
145.255.86.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

145.255.89.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
145.255.89.0
Broadcast
145.255.89.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

46.40.193.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
46.40.193.0
Broadcast
46.40.193.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.162.209.0/24

Risk Max LOW Footprint 1.562% Hits 6
Prefix / IP version
/24 · IPv4
Network
5.162.209.0
Broadcast
5.162.209.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

188.135.39.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
188.135.39.0
Broadcast
188.135.39.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.200.249.0/24

Risk Max LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
37.200.249.0
Broadcast
37.200.249.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

188.135.22.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
188.135.22.0
Broadcast
188.135.22.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

188.135.20.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
188.135.20.0
Broadcast
188.135.20.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.66.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
5.21.66.0
Broadcast
5.21.66.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

188.66.240.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
188.66.240.0
Broadcast
188.66.240.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.6673 , 58.1912
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

46.40.223.0/24

Risk Max LOW Footprint 1.172% Hits 4
Prefix / IP version
/24 · IPv4
Network
46.40.223.0
Broadcast
46.40.223.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.6673 , 58.1912
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.29.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.28.29.0
Broadcast
37.28.29.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.9.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.28.9.0
Broadcast
37.28.9.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.162.211.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
5.162.211.0
Broadcast
5.162.211.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.82.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
5.21.82.0
Broadcast
5.21.82.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.6673 , 58.1912
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

188.66.250.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
188.66.250.0
Broadcast
188.66.250.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.6673 , 58.1912
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.14.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
37.28.14.0
Broadcast
37.28.14.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.63.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
5.21.63.0
Broadcast
5.21.63.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.87.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
5.21.87.0
Broadcast
5.21.87.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.6673 , 58.1912
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-09 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Oman · Muscat · Seeb
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

188.66.226.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
188.66.226.0
Broadcast
188.66.226.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

46.40.231.0/24

Risk Max LOW Footprint 1.172% Hits 3
Prefix / IP version
/24 · IPv4
Network
46.40.231.0
Broadcast
46.40.231.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
3 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-11 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

37.28.1.0/24

Risk Max LOW Footprint 0.781% Hits 5
Prefix / IP version
/24 · IPv4
Network
37.28.1.0
Broadcast
37.28.1.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
23.577999999999996 , 58.4021
Hits / Errors
5 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.50.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
5.21.50.0
Broadcast
5.21.50.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2

5.21.76.0/24

Risk Max LOW Footprint 0.781% Hits 4
Prefix / IP version
/24 · IPv4
Network
5.21.76.0
Broadcast
5.21.76.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
23.578 , 58.4021
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-12 02:00
Top organization / ISP
Top geo
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
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