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Autonomous System

AS18172

ITSYSTEM LLC

Announced IPs
256
CIDR prefixes
1
ASN
AS18172

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 →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
103.87.255.0/24 256
0.0%
ITSYSTEM LLC MN

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18172 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.87.255.0/24 6,493 2026-07-31 14:21:12

Frequently Asked Questions

What is AS18172?

AS18172 is an Autonomous System Number assigned to ITSYSTEM LLC. 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 AS18172 announce?

AS18172 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Mongolia.

Who operates AS18172?

AS18172 is operated by ITSYSTEM LLC. The organization is based in Mongolia. You can view all IP ranges and related ASNs on the organization page.

What country is AS18172 registered in?

AS18172 is registered in Mongolia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 15:55:30 UTC
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