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Autonomous System

AS20657

ATLANTIS BG Ltd.

Announced IPs
2,048
CIDR prefixes
5
ASN
AS20657

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 →
Network type NSP
Traffic level 1-5Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS-ATL

Present at 1 internet exchange: B-IX

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20657 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
88.80.132.0/24 27,242 2026-07-24 14:51:01
88.80.133.0/24 27,232 2026-07-24 14:51:01
88.80.131.0/24 25,860 2026-07-24 14:51:01
88.80.152.0/21 25,659 2026-07-24 14:51:01
195.68.215.0/24 24,292 2026-07-24 14:32:44
195.68.214.0/24 24,273 2026-07-24 14:32:44
195.68.214.0/23 24,268 2026-07-24 14:32:44
194.79.12.0/24 22,566 2026-07-24 13:29:08
194.79.13.0/24 22,484 2026-07-24 13:29:08
193.108.24.0/24 18,188 2026-07-24 14:32:44
194.79.12.0/23 18,032 2026-07-24 14:32:44
87.246.49.0/24 23 2026-07-20 01:21:40
85.118.95.0/24 20 2026-07-20 01:21:40
85.118.94.0/24 19 2026-07-13 09:35:29
87.246.47.0/24 11 2026-07-20 01:21:40
87.246.48.0/24 11 2026-07-20 01:21:40

Frequently Asked Questions

What is AS20657?

AS20657 is an Autonomous System Number assigned to ATLANTIS BG 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 AS20657 announce?

AS20657 announces 2.0K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Bulgaria.

Who operates AS20657?

AS20657 is operated by ATLANTIS BG Ltd.. The organization is based in Bulgaria. You can view all IP ranges and related ASNs on the organization page.

What country is AS20657 registered in?

AS20657 is registered in Bulgaria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 14:55:31 UTC
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