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Autonomous System

AS56588

Information System Authority

Announced IPs
2,048
CIDR prefixes
1
ASN
AS56588

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 Regional
Traffic ratio Balanced
Peering policy Open

Present at 1 internet exchange: RTIX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
46.226.136.0/21 2.0K
74.4%
Information System Authority EE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS56588 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
46.226.136.0/21 4,816 2026-07-24 01:47:15

Frequently Asked Questions

What is AS56588?

AS56588 is an Autonomous System Number assigned to Information System Authority. 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 AS56588 announce?

AS56588 announces 2.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Estonia.

Who operates AS56588?

AS56588 is operated by Information System Authority. The organization is based in Estonia. You can view all IP ranges and related ASNs on the organization page.

What country is AS56588 registered in?

AS56588 is registered in Estonia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 01:55:31 UTC
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