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Autonomous System

AS212520

David Tatlisu

Announced IPs
256
CIDR prefixes
1
ASN
AS212520

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 →
Traffic level 1-5Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open
IRR record AS-DTATLISU

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.177.206.0/24 256
25.4%
David Tatlisu DE

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS212520 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.177.206.0/24 8,860 2026-07-27 10:21:16

Frequently Asked Questions

What is AS212520?

AS212520 is an Autonomous System Number assigned to David Tatlisu. 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 AS212520 announce?

AS212520 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Germany.

Who operates AS212520?

AS212520 is operated by David Tatlisu. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.

What country is AS212520 registered in?

AS212520 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-27 11:10:31 UTC
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