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Autonomous System

AS42753

Sergey Cherentayev

Announced IPs
2,048
CIDR prefixes
1
ASN
AS42753

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
77.74.24.0/21 2.0K
2.6%
Sergey Cherentayev RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS42753 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
77.74.24.0/21 13,982 2026-07-28 23:14:31

Frequently Asked Questions

What is AS42753?

AS42753 is an Autonomous System Number assigned to Sergey Cherentayev. 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 AS42753 announce?

AS42753 announces 2.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Russia.

Who operates AS42753?

AS42753 is operated by Sergey Cherentayev. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS42753 registered in?

AS42753 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-28 23:25:31 UTC
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