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.
Search
Active filter:
Opnet Srl
·
Clear
Snapshot
2026-03-07
Results
16
Page
1
/
1
51.179.104.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
51.179.104.0
Broadcast
51.179.104.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
41.716100000000004 , 15.651475
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-26 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM-NETWORK
Top geo
Italy
·
Apulia
·
Grottaglie
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
51.179.117.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
4
Prefix / IP version
/24 · IPv4
Network
51.179.117.0
Broadcast
51.179.117.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
40.82275 , 15.03465
Hits / Errors
4
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM-NETWORK
Top geo
Italy
·
Campania
·
Quarto
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.159.206.0/24
Risk Max
—
LOW
Footprint
0.781
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
78.159.206.0
Broadcast
78.159.206.255
Observed IPs / Subnet size
2
observed ·
256
total
Centroid
41.8967 , 12.4822
Hits / Errors
3
hits ·
1
errors
First / Last seen
2026-02-24 02:00 · 2026-02-26 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
Opnet Srl
·
Opnet Srl
Top geo
Italy
·
Lazio
·
Rome
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
109.235.156.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
109.235.156.0
Broadcast
109.235.156.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.2089 , 8.87054
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
Antea s.r.l.
·
ANTEA-NET-2 FI
Top geo
Italy
·
Lombardy
·
Tromello
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.159.201.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
78.159.201.0
Broadcast
78.159.201.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
40.6321 , 17.9361
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
Opnet Srl
·
Connecting Project s.r.l.
Top geo
Italy
·
Apulia
·
Brindisi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.159.200.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
78.159.200.0
Broadcast
78.159.200.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.0329 , 13.9435
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
Opnet Srl
·
Connecting Project s.r.l.
Top geo
Italy
·
Campania
·
Castel Volturno
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.159.204.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
78.159.204.0
Broadcast
78.159.204.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.8967 , 12.4822
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
Opnet Srl
·
Opnet Srl
Top geo
Italy
·
Lazio
·
Rome
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
62.170.169.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
62.170.169.0
Broadcast
62.170.169.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
44.4756 , 11.275
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
Opnet S.P.A
Top geo
Italy
·
Emilia-Romagna
·
Casalecchio di Reno
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.110.191.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
78.110.191.0
Broadcast
78.110.191.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.8919 , 12.5113
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM
Top geo
Italy
·
Lazio
·
Rome
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
83.98.80.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
83.98.80.0
Broadcast
83.98.80.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.4385 , 10.9938
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
OpNet spa
·
Opnet S.P.A
Top geo
Italy
·
Veneto
·
Verona
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
51.179.120.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.179.120.0
Broadcast
51.179.120.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
39.3101 , 17.1066
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM
Top geo
Italy
·
Calabria
·
Torre Melissa
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
62.170.170.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
62.170.170.0
Broadcast
62.170.170.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.4779 , 9.14508
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
Opnet S.P.A
Top geo
Italy
·
Lombardy
·
Milan
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
51.179.118.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.179.118.0
Broadcast
51.179.118.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.3286 , 14.3638
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM-NETWORK
Top geo
Italy
·
Abruzzo
·
Villa Grande
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
51.179.122.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
51.179.122.0
Broadcast
51.179.122.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.3141 , 8.85437
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM
Top geo
Italy
·
Lombardy
·
Vigevano
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
83.98.87.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
83.98.87.0
Broadcast
83.98.87.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
45.4713 , 10.5356
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
Opnet Srl
·
Opnet Srl
Top geo
Italy
·
Lombardy
·
Desenzano del Garda
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.110.186.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
78.110.186.0
Broadcast
78.110.186.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
41.6272 , 12.5126
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS198471 ·
Opnet Srl
Top organization / ISP
— ·
LINKEM-NETWORK
Top geo
Italy
·
Lazio
·
Campo Jemini
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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