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Autonomous System

AS203154

Mitelis Security Limited

Announced IPs
2,048
CIDR prefixes
9
ASN
AS203154

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
2.26.4.0/23 512
1.6%
Mitelis Security Limited US
2.27.136.0/23 512
0.0%
Kennies Star India Private Limited US
2.26.4.0/24 256
0.0%
Mitelis Security Limited US
2.26.5.0/24 256
3.1%
Mitelis Security Limited US
2.26.6.0/24 256
0.4%
Mitelis Security Limited US
2.27.56.0/24 256
0.0%
Mitelis Security Limited US
2.27.137.0/24 256
0.0%
Mitelis Security Limited US
31.76.25.0/24 256
0.0%
Mitelis Security Limited US
89.125.193.0/24 256
0.0%
Scalaxy B.V. AE
2.27.136.32/27 32
0.0%
Mitelis Security Limited NL
2.27.136.96/27 32
0.0%
Mitelis Security Limited NL
2.27.136.128/27 32
0.0%
Mitelis Security Limited NL
2.27.136.224/27 32
0.0%
Mitelis Security Limited NL
2.27.136.0/28 16
0.0%
Mitelis Security Limited NL
2.27.136.64/28 16
0.0%
Mitelis Security Limited GB
2.27.136.80/28 16
0.0%
Mitelis Security Limited NL
2.27.136.176/28 16
0.0%
Mitelis Security Limited NL
2.27.136.192/28 16
0.0%
Mitelis Security Limited NL
2.27.136.24/29 8
0.0%
Mitelis Security Limited NL
2.27.136.160/29 8
0.0%
Mitelis Security Limited NL
2.27.136.216/29 8
0.0%
Mitelis Security Limited NL
2.27.136.20/30 4
0.0%
Mitelis Security Limited NL
2.27.136.168/30 4
0.0%
Mitelis Security Limited GB
2.27.136.172/30 4
0.0%
Mitelis Security Limited NL
2.27.136.212/30 4
0.0%
Mitelis Security Limited NL
2.27.136.16/31 2
0.0%
Mitelis Security Limited GB
2.27.136.18/31 2
0.0%
Mitelis Security Limited NL
2.27.136.208/31 2
0.0%
Mitelis Security Limited GB
2.27.136.210/31 2
0.0%
Mitelis Security Limited NL

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203154 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
2.27.56.0/24 14,453 2026-07-23 20:04:57
2.26.6.0/24 12,429 2026-07-23 20:05:10
2.26.5.0/24 12,421 2026-07-23 20:05:10
2.27.136.0/24 10,195 2026-07-23 20:04:56
2.26.4.0/24 9,699 2026-07-23 20:05:11
31.76.25.0/24 6,377 2026-07-23 20:05:03
2.27.137.0/24 5,771 2026-07-23 20:05:10
89.125.193.0/24 2,641 2026-07-23 20:04:53

Frequently Asked Questions

What is AS203154?

AS203154 is an Autonomous System Number assigned to Mitelis Security 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 AS203154 announce?

AS203154 announces 2.0K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United States.

Who operates AS203154?

AS203154 is operated by Mitelis Security Limited. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS203154 registered in?

AS203154 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 20:10:36 UTC
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