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Autonomous System

AS51790

SIEL, d.o.o.

Announced IPs
7,936
CIDR prefixes
13
ASN
AS51790

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Content
Traffic level 5-10Gbps
Geographic scope Europe
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS-SIEL

AS51790 — global IP footprint

Cities where AS51790 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
46.19.8.0/21 2.0K
97.3%
SIEL, d.o.o. SI Urban Municipality of Celje Celje
45.136.188.0/22 1.0K
0.3%
SIEL, d.o.o. SI
185.97.52.0/22 1.0K
41.6%
SIEL, d.o.o. SI
209.16.152.0/22 1.0K
0.0%
SIEL, d.o.o. SI
185.57.144.0/23 512
0.0%
SIEL, d.o.o. SI
185.185.88.0/23 512
50.6%
SIEL, d.o.o. SI
91.230.238.0/24 256
25.4%
SIEL, d.o.o. SI
185.57.146.0/24 256
2.0%
SIEL, d.o.o. SI
185.92.228.0/24 256
0.0%
SIEL, d.o.o. SI
185.185.91.0/24 256
1.2%
SIEL, d.o.o. SI
193.3.59.0/24 256
0.0%
SIEL, d.o.o. SI
195.128.141.0/24 256
2.7%
SIEL, d.o.o. SI
217.61.252.0/24 256
1.6%
SIEL, d.o.o. SI

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51790 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
46.19.13.0/24 49,892 2026-07-23 10:05:03
185.57.145.0/24 49,273 2026-07-23 10:05:03
185.185.91.0/24 15,927 2026-07-23 10:06:00
217.61.252.0/24 15,795 2026-07-23 10:06:00
185.57.146.0/24 14,560 2026-07-23 09:37:03
195.128.141.0/24 13,477 2026-07-23 09:37:03
185.92.228.0/24 11,637 2026-07-23 09:37:03
185.97.52.0/23 11,635 2026-07-23 09:37:03
46.19.8.0/23 11,510 2026-07-23 09:37:03
46.19.12.0/23 11,504 2026-07-23 09:37:03
209.16.154.0/23 11,489 2026-07-23 09:37:03
46.19.14.0/23 11,485 2026-07-23 09:37:03
209.16.152.0/23 11,462 2026-07-23 09:37:03
185.185.88.0/23 10,516 2026-07-23 09:37:03
185.97.54.0/23 10,173 2026-07-23 09:37:03
185.57.144.0/23 10,162 2026-07-23 09:37:03
46.19.10.0/23 10,147 2026-07-23 09:37:03
45.136.190.0/23 10,127 2026-07-23 09:37:03
45.136.188.0/23 10,108 2026-07-23 09:37:03
91.230.238.0/24 9,847 2026-07-23 09:37:03
193.3.59.0/24 5,940 2026-07-23 10:05:59

Frequently Asked Questions

What is AS51790?

AS51790 is an Autonomous System Number assigned to SIEL, d.o.o.. 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 AS51790 announce?

AS51790 announces 7.9K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Slovenia.

Who operates AS51790?

AS51790 is operated by SIEL, d.o.o.. The organization is based in Slovenia. You can view all IP ranges and related ASNs on the organization page.

What country is AS51790 registered in?

AS51790 is registered in Slovenia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 11:10:34 UTC
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