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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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

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
99.4%
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
185.180.172.0/24 256
0.0%
CSL (DualCom) Limited DE
185.180.173.0/24 256
0.0%
CSL (DualCom) Limited GB
185.201.167.0/24 256
0.0%
CSL (DualCom) Limited GB
139.28.100.128/25 128
0.0%
CSL (DualCom) Limited DE
185.201.164.128/25 128
0.0%
CSL (DualCom) Limited GB
185.201.165.128/25 128
0.0%
CSL (DualCom) Limited GB
139.28.100.64/26 64
0.0%
CSL (DualCom) Limited DE
185.201.164.0/26 64
0.0%
CSL (DualCom) Limited GB
185.201.165.64/26 64
0.0%
CSL (DualCom) Limited GB
139.28.100.32/27 32
0.0%
CSL (DualCom) Limited GB
185.201.164.96/27 32
0.0%
CSL (DualCom) Limited GB
185.201.165.32/27 32
0.0%
CSL (DualCom) Limited GB
185.201.166.32/27 32
0.0%
CSL (DualCom) Limited GB
185.201.166.160/27 32
0.0%
CSL (DualCom) Limited IE
185.201.166.224/27 32
0.0%
CSL (DualCom) Limited IE
139.28.100.0/28 16
0.0%
CSL (DualCom) Limited DE
185.201.164.80/28 16
0.0%
CSL (DualCom) Limited GB
185.201.165.0/28 16
0.0%
CSL (DualCom) Limited GB
185.201.166.0/28 16
0.0%
CSL (DualCom) Limited IE
185.201.166.96/28 16
0.0%
CSL (DualCom) Limited IE
185.201.166.112/28 16
0.0%
CSL (DualCom) Limited GB
185.201.166.144/28 16
0.0%
CSL (DualCom) Limited IE
185.201.166.208/28 16
0.0%
CSL (DualCom) Limited IE
185.201.164.64/29 8
0.0%
CSL (DualCom) Limited GB
185.201.164.72/29 8
0.0%
CSL (DualCom) Limited DE
185.201.165.16/29 8
0.0%
CSL (DualCom) Limited GB
185.201.166.24/29 8
0.0%
CSL (DualCom) Limited IE
185.201.166.72/29 8
0.0%
CSL (DualCom) Limited IE
185.201.166.80/29 8
0.0%
CSL (DualCom) Limited IE
185.201.166.192/29 8
0.0%
CSL (DualCom) Limited IE
185.201.166.200/29 8
0.0%
CSL (DualCom) Limited GB
139.28.100.20/30 4
0.0%
CSL (DualCom) Limited DE
139.28.100.28/30 4
0.0%
CSL (DualCom) Limited GB
185.201.165.28/30 4
0.0%
CSL (DualCom) Limited GB
185.201.166.16/30 4
0.0%
CSL (DualCom) Limited GB
185.201.166.64/30 4
0.0%
CSL (DualCom) Limited IE
185.201.166.92/30 4
0.0%
CSL (DualCom) Limited IE
185.201.166.128/30 4
0.0%
CSL (DualCom) Limited IE
185.201.166.132/30 4
0.0%
CSL (DualCom) Limited GB
185.201.166.140/30 4
0.0%
CSL (DualCom) Limited GB
139.28.100.16/31 2
0.0%
CSL (DualCom) Limited DE
139.28.100.18/31 2
0.0%
CSL (DualCom) Limited GB
139.28.100.24/31 2
0.0%
CSL (DualCom) Limited DE
139.28.100.26/31 2
0.0%
CSL (DualCom) Limited IE
185.201.165.24/31 2
0.0%
CSL (DualCom) Limited GB
185.201.165.26/31 2
0.0%
CSL (DualCom) Limited IE
185.201.166.20/31 2
0.0%
CSL (DualCom) Limited GB
185.201.166.22/31 2
0.0%
CSL (DualCom) Limited IE
185.201.166.70/31 2
0.0%
CSL (DualCom) Limited IE
185.201.166.88/31 2
0.0%
CSL (DualCom) Limited IE
185.201.166.136/31 2
0.0%
CSL (DualCom) Limited GB
185.201.166.68 1
0.0%
CSL (DualCom) Limited IE
185.201.166.69 1
0.0%
CSL (DualCom) Limited GB
185.201.166.90 1
0.0%
CSL (DualCom) Limited GB
185.201.166.91 1
0.0%
CSL (DualCom) Limited IE
185.201.166.138 1
0.0%
CSL (DualCom) Limited IE
185.201.166.139 1
0.0%
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 16,464 2026-07-22 05:02:12
139.28.100.0/22 10,363 2026-07-22 05:44:35
185.180.172.0/23 9,831 2026-07-22 05:44:35
185.176.124.0/22 9,354 2026-07-22 05:44:35
185.201.166.0/24 8,979 2026-07-22 05:02:12
185.180.172.0/24 8,643 2026-07-22 05:02:12
185.201.164.0/22 8,632 2026-07-22 05:44:35
139.28.100.0/24 8,294 2026-07-22 05:02:12
185.201.167.0/24 6,910 2026-07-22 05:02:12
46.226.72.0/21 4,990 2026-07-22 04:47:38
46.226.73.0/24 4,618 2026-07-22 05:02:12
185.180.173.0/24 4,567 2026-07-22 05:02:12
185.201.165.0/24 4,549 2026-07-22 05:02:12
139.28.103.0/24 4,284 2026-07-22 05:02:12
46.226.74.0/24 4,270 2026-07-22 05:02:12
185.201.164.0/24 4,237 2026-07-22 05:02:12
139.28.101.0/24 4,215 2026-07-22 05:02:12
185.176.124.0/24 1,561 2026-07-22 05:02:12

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: 2026-07-22 06:10:36 UTC
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