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Autonomous System

AS53428

Nebius Inc.

Announced IPs
4,864
CIDR prefixes
5
ASN
AS53428

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 300-500Gbps
Geographic scope Not Disclosed
Traffic ratio Heavy Inbound
Peering policy Selective

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
204.12.160.0/21 2.0K
0.0%
Nebius Inc. US
204.12.168.0/22 1.0K
0.0%
Nebius Inc. US
204.12.188.0/22 1.0K
0.0%
Nebius Inc. US
204.12.172.0/23 512
0.0%
Nebius Inc. US
161.210.111.0/24 256
0.0%
Nebius Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS53428 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
204.12.172.0/23 8,105 2026-07-24 09:39:57
204.12.166.0/23 8,096 2026-07-24 09:39:57
204.12.160.0/22 7,553 2026-07-24 09:39:57
204.12.160.0/24 7,530 2026-07-24 09:39:57
204.12.165.0/24 7,501 2026-07-24 09:39:57
204.12.164.0/24 7,214 2026-07-24 09:39:57
204.12.168.0/22 7,166 2026-07-24 09:39:57
204.12.188.0/22 5,905 2026-07-24 09:39:57
161.210.111.0/24 5,295 2026-07-24 09:36:55

Frequently Asked Questions

What is AS53428?

AS53428 is an Autonomous System Number assigned to Nebius Inc.. 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 AS53428 announce?

AS53428 announces 4.9K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS53428?

AS53428 is operated by Nebius Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS53428 registered in?

AS53428 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 09:40:31 UTC
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