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Autonomous System

AS36136

ALARMNET

Announced IPs
2,304
CIDR prefixes
4
ASN
AS36136

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
204.141.56.0/22 1.0K
41.0%
ALARMNET US
131.201.236.0/23 512
0.6%
ALARMNET US
198.140.154.0/23 512
0.8%
ALARMNET US
12.149.218.0/24 256
0.0%
ALARMNET US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS36136 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
131.201.237.0/24 7,874 2026-08-02 17:34:51
131.201.236.0/24 7,868 2026-08-02 17:34:51
198.140.154.0/23 7,066 2026-08-02 17:24:19
204.141.58.0/23 7,021 2026-08-02 17:24:19
204.141.56.0/23 7,006 2026-08-02 17:24:19
12.149.218.0/24 4,668 2026-08-02 15:22:51
198.140.155.0/24 4,459 2026-08-02 15:22:51
204.141.56.0/22 4,447 2026-08-02 15:22:51

Frequently Asked Questions

What is AS36136?

AS36136 is an Autonomous System Number assigned to ALARMNET. 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 AS36136 announce?

AS36136 announces 2.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.

Who operates AS36136?

AS36136 is operated by ALARMNET. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS36136 registered in?

AS36136 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: 2026-08-02 17:40:31 UTC
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