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:
Net-Surf.net Ltd.
·
Clear
Snapshot
2026-03-04
Results
17
Page
1
/
1
178.254.233.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
178.254.233.0
Broadcast
178.254.233.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.4082 , 23.226700000000005
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-03-02 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Netsurfnet Broadband
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Montana
·
Montana
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
178.254.203.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
178.254.203.0
Broadcast
178.254.203.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.096099999999996
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Net-Surf.net Ltd. broadband services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.90.251.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
78.90.251.0
Broadcast
78.90.251.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
Surf.net broadband Blgr
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.90.249.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
78.90.249.0
Broadcast
78.90.249.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
Surf.net broadband Blgr
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
78.90.248.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
78.90.248.0
Broadcast
78.90.248.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
Surf.net broadband Blgr
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
178.254.213.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.254.213.0
Broadcast
178.254.213.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.4082 , 23.2267
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Net-Surf.net Ltd. broadband services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Montana
·
Montana
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
178.254.217.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.254.217.0
Broadcast
178.254.217.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.8134 , 23.2314
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Net-Surf.net Ltd. broadband services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Montana
·
Lom
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
93.152.251.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
93.152.251.0
Broadcast
93.152.251.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.111.125.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.111.125.0
Broadcast
95.111.125.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
Surf.net broadband Blgr
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
178.254.212.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.254.212.0
Broadcast
178.254.212.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.4082 , 23.2267
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Net-Surf.net Ltd. broadband services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Montana
·
Montana
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
46.229.205.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
46.229.205.0
Broadcast
46.229.205.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.7833 , 23.7333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
NS-Corporate
Top geo
Bulgaria
·
Vratsa
·
Kozloduy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
178.254.209.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
178.254.209.0
Broadcast
178.254.209.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.4082 , 23.2267
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Net-Surf.net Ltd. broadband services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Montana
·
Montana
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
46.229.201.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
46.229.201.0
Broadcast
46.229.201.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.7833 , 23.7333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
NetSurf.net GPON services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Vratsa
·
Kozloduy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
46.229.202.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
46.229.202.0
Broadcast
46.229.202.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.7833 , 23.7333
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
NetSurf.net GPON services
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Vratsa
·
Kozloduy
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
79.124.9.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
79.124.9.0
Broadcast
79.124.9.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
43.2395 , 27.8705
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
Surf.net Ltd
·
Net-Surf.net Ltd.
Top geo
Bulgaria
·
Varna
·
Varna
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
93.152.249.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
93.152.249.0
Broadcast
93.152.249.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
NetSurf GPON
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
95.111.121.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
95.111.121.0
Broadcast
95.111.121.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
42.02 , 23.0961
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS20911 ·
Net-Surf.net Ltd.
Top organization / ISP
— ·
Surf.net broadband Blgr
Top geo
Bulgaria
·
Blagoevgrad
·
Blagoevgrad
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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