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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: XTRA TELECOM S.A. · Clear
Snapshot 2026-03-08 Results 331 Page 9 / 9

139.47.50.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
139.47.50.0
Broadcast
139.47.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
43.0161 , -7.5524
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xtra Telecom S.A. · Xtra Telecom S.A.
Top geo
Spain · Galicia · Lugo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

46.222.57.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.222.57.0
Broadcast
46.222.57.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2328 , -8.72264
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xfera Moviles SA · XFERA Moviles S.A
Top geo
Spain · Galicia · Vigo
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

46.6.133.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.6.133.0
Broadcast
46.6.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.6865 , -6.13606
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
XFERA Moviles S.A · Xtra Telecom S.A.
Top geo
Spain · Andalusia · Jerez de la Frontera
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

46.6.124.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.6.124.0
Broadcast
46.6.124.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.1983 , 1.63645
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
XFERA Moviles S.A · XFERA Moviles S.A
Top geo
Spain · Catalonia · Cunit
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.29.199.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.29.199.0
Broadcast
37.29.199.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
37.987 , -1.13004
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xfera Moviles SA · XFERA Moviles S.A
Top geo
Spain · Murcia · Murcia
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

46.6.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
46.6.40.0
Broadcast
46.6.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4339 , 2.2111
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xfera Moviles SA · XFERA Moviles S.A
Top geo
Spain · Catalonia · Barcelona
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

66.81.169.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
66.81.169.0
Broadcast
66.81.169.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4097 , -3.7157
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xtra Telecom S.A · Xtra Telecom S.A.
Top geo
Spain · Madrid · Madrid
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.29.141.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.29.141.0
Broadcast
37.29.141.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
38.8299 , -3.57813
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xfera Moviles SA · XFERA Moviles S.A
Top geo
Spain · Castille-La Mancha · Moral de Calatrava
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

37.29.131.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.29.131.0
Broadcast
37.29.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.0913 , 0.14115
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xfera Moviles SA · XFERA Moviles S.A
Top geo
Spain · Valencia · Oropesa del Mar
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

139.47.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
139.47.40.0
Broadcast
139.47.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3774 , 2.141
Hits / Errors
1 hits · 1 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
Xtra Telecom S.A. · Xtra Telecom S.A.
Top geo
Spain · Catalonia · Barcelona
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →

31.221.216.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.221.216.0
Broadcast
31.221.216.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4085 , 2.1904
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS15704 · XTRA TELECOM S.A.
Top organization / ISP
XFERA Moviles S.A · XFERA Moviles S.A
Top geo
Spain · Catalonia · Barcelona
Window / Updated
2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2
Open report →
Page 9 of 9
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