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Autonomous System

AS51037

Infoservice Ltd.

Announced IPs
1,024
CIDR prefixes
1
ASN
AS51037

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
178.249.64.0/22 1.0K
0.7%
Infoservice Ltd. RU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51037 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
178.249.64.0/22 14,432 2026-08-05 07:58:10

Frequently Asked Questions

What is AS51037?

AS51037 is an Autonomous System Number assigned to Infoservice Ltd.. 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 AS51037 announce?

AS51037 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Russia.

Who operates AS51037?

AS51037 is operated by Infoservice Ltd.. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS51037 registered in?

AS51037 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-05 08:10:32 UTC
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