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Autonomous System

AS212123

Jori Vanneste

Announced IPs
1,280
CIDR prefixes
4
ASN
AS212123

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.

53/100
Caution
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS212123 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
185.133.211.0/24 AS207537, AS212123 2026-07-26 04:24:03

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 0-20Mbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS212123:AS-ALL

Present at 1 internet exchange: LOCIX FRANKFURT: Peering LAN

AS212123 — global IP footprint

Cities where AS212123 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
167.150.90.0/23 512
100.0%
Jori Vanneste BE
45.129.94.0/24 256
98.4%
Jori Vanneste DE
185.133.211.0/24 256
100.0%
Jori Vanneste CH Basel-City Basel
212.94.55.0/24 256
100.0%
Jori Vanneste CH

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS212123 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
167.150.90.0/23 55,357 2026-07-26 01:17:23
45.129.94.0/24 55,236 2026-07-26 01:17:23
212.94.55.0/24 55,213 2026-07-26 01:17:23
185.133.211.0/24 12,356 2026-07-26 01:17:23

Frequently Asked Questions

What is AS212123?

AS212123 is an Autonomous System Number assigned to Jori Vanneste. 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 AS212123 announce?

AS212123 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Belgium.

Who operates AS212123?

AS212123 is operated by Jori Vanneste. The organization is based in Belgium. You can view all IP ranges and related ASNs on the organization page.

What country is AS212123 registered in?

AS212123 is registered in Belgium. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-26 04:25:32 UTC
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