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Autonomous System

AS2107

ARNES

Announced IPs
409,344
CIDR prefixes
30
ASN
AS2107

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.

69/100
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 Educational/Research
Traffic level 50-100Gbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open
IRR record AS-ARNES

Present at 1 internet exchange: SIX SI

AS2107 — global IP footprint

Cities where AS2107 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
153.5.0.0/16 65.5K
1.4%
ARNES SI Ljubljana Ljubljana
193.2.0.0/16 65.5K
10.9%
ARNES SI Ljubljana Ljubljana
194.249.0.0/16 65.5K
4.5%
ARNES SI Ljubljana Ljubljana
88.200.0.0/17 32.8K
0.5%
ARNES SI Ljubljana Ljubljana
163.159.128.0/17 32.8K
0.0%
ARNES SI
178.172.0.0/17 32.8K
8.2%
ARNES SI Municipality of Radlje ob Dravi Vuhred
212.235.128.0/17 32.8K
9.7%
ARNES SI Ljubljana Ljubljana
95.87.128.0/18 16.4K
1.9%
ARNES SI Ljubljana Ljubljana
109.127.192.0/18 16.4K
2.2%
ARNES SI Ljubljana Ljubljana
141.255.192.0/18 16.4K
14.2%
ARNES SI Municipality of Domžale Domžale
149.62.64.0/18 16.4K
1.1%
ARNES SI Ljubljana Ljubljana
92.244.64.0/19 8.2K
5.9%
ARNES SI Ljubljana Ljubljana
164.8.128.0/20 4.1K
0.0%
ARNES SI
164.8.128.0/22 1.0K
2.0%
ARNES SI
185.13.52.0/22 1.0K
0.0%
ARNES SI
164.8.134.0/23 512
0.4%
ARNES SI
164.8.142.0/23 512
0.0%
ARNES SI
44.30.85.0/24 256
0.0%
University of California, San Diego US
164.8.139.0/24 256
0.0%
ARNES SI
164.8.141.0/24 256
0.4%
ARNES SI
192.84.90.0/24 256
0.8%
ARNES SI
192.84.95.0/24 256
0.0%
ARNES SI
192.84.97.0/24 256
0.0%
ARNES SI
192.84.99.0/24 256
0.0%
ARNES SI
192.84.101.0/24 256
0.0%
ARNES SI
192.84.104.0/24 256
0.0%
ARNES SI
192.84.107.0/24 256
0.0%
ARNES SI
192.84.109.0/24 256
0.0%
ARNES SI
193.138.1.0/24 256
76.2%
ARNES SI
193.138.2.0/24 256
0.0%
ARNES SI

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS2107 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.84.107.0/24 13,259 2026-09-11 00:34:11
192.84.90.0/24 13,243 2026-09-11 00:34:11
192.84.104.0/24 13,235 2026-09-11 00:34:11
192.84.99.0/24 13,231 2026-09-11 00:34:11
192.84.95.0/24 13,217 2026-09-11 00:34:11
192.84.97.0/24 13,202 2026-09-11 00:34:11
192.84.101.0/24 13,193 2026-09-11 00:34:11
192.84.109.0/24 13,187 2026-09-11 00:34:11
95.87.128.0/18 7,610 2026-09-11 00:34:08
92.244.64.0/19 7,598 2026-09-11 00:34:08
88.200.0.0/17 7,549 2026-09-11 00:34:08
109.127.192.0/18 7,543 2026-09-11 00:34:08
163.159.128.0/17 7,531 2026-09-11 00:34:08
185.13.52.0/22 7,509 2026-09-11 00:34:08
178.172.0.0/17 7,493 2026-09-11 00:34:08
153.5.0.0/16 7,493 2026-09-11 00:34:08
212.235.128.0/17 7,483 2026-09-11 00:34:08
193.138.2.0/24 7,474 2026-09-11 00:34:08
193.138.1.0/24 7,471 2026-09-11 00:34:08
141.255.192.0/18 7,465 2026-09-11 00:34:08
149.62.64.0/18 7,463 2026-09-11 00:34:08
194.249.0.0/16 7,438 2026-09-11 00:34:08
193.2.0.0/16 7,426 2026-09-11 00:34:08
164.8.128.0/20 7,393 2026-09-11 00:34:08
44.30.85.0/24 3,686 2026-09-11 00:34:11

Frequently Asked Questions

What is AS2107?

AS2107 is an Autonomous System Number assigned to ARNES. 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 AS2107 announce?

AS2107 announces 409.3K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in Slovenia.

Who operates AS2107?

AS2107 is operated by ARNES. The organization is based in Slovenia. You can view all IP ranges and related ASNs on the organization page.

What country is AS2107 registered in?

AS2107 is registered in Slovenia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 00:39:06 UTC
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