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Autonomous System

AS205394

CSL (DualCom) Limited

Announced IPs
5,632
CIDR prefixes
5
ASN
AS205394

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Enterprise
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
IRR record RIPE::AS-CSLDUAL

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
46.226.72.0/21 2.0K
0.0%
CSL (DualCom) Limited GB — —
139.28.100.0/22 1.0K
0.0%
CSL (DualCom) Limited GB — —
185.176.124.0/22 1.0K
0.0%
CSL (DualCom) Limited GB — —
185.201.164.0/22 1.0K
99.7%
CSL (DualCom) Limited GB — —
139.28.102.0/23 512
0.0%
CSL (DualCom) Limited GB — —
185.180.172.0/23 512
0.8%
CSL (DualCom) Limited GB — —
139.28.101.0/24 256
0.0%
CSL (DualCom) Limited GB — —
185.201.164.0/24 256
100.0%
CSL (DualCom) Limited GB — —
185.201.167.0/24 256
99.6%
CSL (DualCom) Limited GB — —
185.201.165.128/25 128
100.0%
CSL (DualCom) Limited GB — —
139.28.100.64/26 64
0.0%
CSL (DualCom) Limited GB — —
139.28.100.192/26 64
0.0%
CSL (DualCom) Limited GB — —
185.201.165.64/26 64
100.0%
CSL (DualCom) Limited GB — —
139.28.100.32/27 32
0.0%
CSL (DualCom) Limited GB — —
139.28.100.160/27 32
0.0%
CSL (DualCom) Limited GB — —
185.201.165.32/27 32
100.0%
CSL (DualCom) Limited GB — —
185.201.166.32/27 32
100.0%
CSL (DualCom) Limited GB — —
185.201.166.160/27 32
100.0%
CSL (DualCom) Limited GB — —
185.201.166.224/27 32
100.0%
CSL (DualCom) Limited GB — —
139.28.100.0/28 16
0.0%
CSL (DualCom) Limited GB — —
139.28.100.144/28 16
0.0%
CSL (DualCom) Limited GB — —
185.201.165.0/28 16
100.0%
CSL (DualCom) Limited GB — —
185.201.166.0/28 16
100.0%
CSL (DualCom) Limited IE — —
185.201.166.96/28 16
100.0%
CSL (DualCom) Limited IE — —
185.201.166.112/28 16
100.0%
CSL (DualCom) Limited GB — —
185.201.166.144/28 16
100.0%
CSL (DualCom) Limited IE — —
185.201.166.208/28 16
100.0%
CSL (DualCom) Limited GB — —
139.28.100.136/29 8
0.0%
CSL (DualCom) Limited GB — —
185.201.165.16/29 8
100.0%
CSL (DualCom) Limited GB — —
185.201.166.24/29 8
100.0%
CSL (DualCom) Limited IE — —
185.201.166.72/29 8
100.0%
CSL (DualCom) Limited IE — —
185.201.166.80/29 8
100.0%
CSL (DualCom) Limited IE — —
185.201.166.192/29 8
100.0%
CSL (DualCom) Limited IE — —
185.201.166.200/29 8
100.0%
CSL (DualCom) Limited GB — —
139.28.100.16/30 4
0.0%
CSL (DualCom) Limited GB — —
139.28.100.28/30 4
0.0%
CSL (DualCom) Limited GB — —
139.28.100.128/30 4
0.0%
CSL (DualCom) Limited GB — —
185.201.165.28/30 4
100.0%
CSL (DualCom) Limited GB — —
185.201.166.16/30 4
100.0%
CSL (DualCom) Limited GB — —
185.201.166.20/30 4
100.0%
CSL (DualCom) Limited IE — —
185.201.166.64/30 4
100.0%
CSL (DualCom) Limited IE — —
185.201.166.92/30 4
100.0%
CSL (DualCom) Limited IE — —
185.201.166.128/30 4
100.0%
CSL (DualCom) Limited IE — —
185.201.166.132/30 4
100.0%
CSL (DualCom) Limited GB — —
185.201.166.140/30 4
100.0%
CSL (DualCom) Limited IE — —
139.28.100.24/31 2
0.0%
CSL (DualCom) Limited GB — —
139.28.100.26/31 2
0.0%
CSL (DualCom) Limited IE — —
139.28.100.134/31 2
0.0%
CSL (DualCom) Limited GB — —
185.201.165.24/31 2
100.0%
CSL (DualCom) Limited GB — —
185.201.165.26/31 2
100.0%
CSL (DualCom) Limited IE — —
185.201.166.70/31 2
100.0%
CSL (DualCom) Limited IE — —
185.201.166.88/31 2
100.0%
CSL (DualCom) Limited IE — —
185.201.166.136/31 2
100.0%
CSL (DualCom) Limited GB — —
139.28.100.20/32 1
0.0%
CSL (DualCom) Limited GB — —
139.28.100.21/32 1
0.0%
CSL (DualCom) Limited DE — —
139.28.100.22/32 1
0.0%
CSL (DualCom) Limited DE — —
139.28.100.23/32 1
0.0%
CSL (DualCom) Limited GB — —
139.28.100.132/32 1
0.0%
CSL (DualCom) Limited GB — —
139.28.100.133/32 1
0.0%
CSL (DualCom) Limited DE — —
185.201.166.68/32 1
100.0%
CSL (DualCom) Limited IE — —
185.201.166.69/32 1
100.0%
CSL (DualCom) Limited GB — —
185.201.166.90/32 1
100.0%
CSL (DualCom) Limited GB — —
185.201.166.91/32 1
100.0%
CSL (DualCom) Limited IE — —
185.201.166.138/32 1
100.0%
CSL (DualCom) Limited IE — —
185.201.166.139/32 1
100.0%
CSL (DualCom) Limited GB — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS205394 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.201.166.0/23 25,487 2026-10-20 09:39:56
185.201.166.0/24 24,274 2026-10-20 09:42:38
185.180.172.0/24 23,490 2026-10-20 09:40:50
139.28.100.0/24 23,195 2026-10-20 09:40:50
185.201.167.0/24 21,734 2026-10-20 09:40:50
185.176.124.0/22 20,735 2026-10-20 09:44:58
139.28.100.0/22 20,048 2026-10-20 09:39:59
185.180.172.0/23 19,292 2026-10-20 09:39:59
46.226.74.0/24 19,040 2026-10-20 09:43:02
139.28.103.0/24 18,908 2026-10-20 09:43:02
185.201.164.0/22 18,531 2026-10-20 09:39:59
46.226.73.0/24 17,674 2026-10-20 09:43:02
185.180.173.0/24 17,455 2026-10-20 09:43:02
185.201.165.0/24 17,433 2026-10-20 09:43:02
139.28.101.0/24 16,039 2026-10-20 09:43:02
185.201.164.0/24 15,994 2026-10-20 09:43:02
46.226.72.0/21 15,604 2026-10-20 09:43:02
185.176.124.0/24 11,039 2026-09-29 17:37:13

Frequently Asked Questions

What is AS205394?

AS205394 is an Autonomous System Number assigned to CSL (DualCom) Limited. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS205394 announce?

AS205394 announces 5.6K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS205394?

AS205394 is operated by CSL (DualCom) Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS205394 registered in?

AS205394 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-20 17:24:05 UTC
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