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Autonomous System

AS44546

ALFA TELECOM s.r.o.

Announced IPs
105,472
CIDR prefixes
84
ASN
AS44546

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.

58/100
Caution
How this score is built

Experimental · trust-vectors model v1.3.0 — 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 AS44546 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)
93.171.140.0/23 AS44429, AS44546 2026-11-14 07:24:16

AS44546 — global IP footprint

Cities where AS44546 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
92.253.128.0/18 16.4K
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.64.0/19 8.2K
0.0%
ALFA TELECOM s.r.o. CZ — —
92.38.96.0/19 8.2K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.0.0/19 8.2K
99.9%
ALFA TELECOM s.r.o. CZ — —
95.47.64.0/19 8.2K
100.0%
ALFA TELECOM s.r.o. CZ — —
31.148.176.0/20 4.1K
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
92.253.128.0/20 4.1K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.46.240.0/20 4.1K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.208.0/20 4.1K
96.9%
ALFA TELECOM s.r.o. CZ — —
31.148.152.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.152.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.224.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
93.170.224.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.46.184.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.46.232.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.16.0/21 2.0K
99.9%
ALFA TELECOM s.r.o. CZ — —
95.47.40.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
95.47.128.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.224.0/21 2.0K
86.8%
ALFA TELECOM s.r.o. CZ — —
146.120.24.0/21 2.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.88.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.128.0/22 1.0K
25.0%
ALFA TELECOM s.r.o. CZ — —
31.148.212.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
91.201.20.0/22 1.0K
1.9%
ALFA TELECOM s.r.o. CZ Prague Prague
92.253.172.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.220.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
95.46.28.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.48.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.68.0/22 1.0K
99.9%
ALFA TELECOM s.r.o. CZ — —
95.47.76.0/22 1.0K
99.9%
ALFA TELECOM s.r.o. CZ — —
95.47.204.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
146.120.180.0/22 1.0K
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
31.148.74.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.78.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.84.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.94.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.242.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.38.46.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.38.84.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.146.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.150.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.162.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.164.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.168.0/23 512
0.0%
ALFA TELECOM s.r.o. RU — —
92.253.178.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.180.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.184.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
93.170.98.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
93.170.176.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
93.170.242.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
93.171.12.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
95.46.122.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
95.46.126.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ Prague Prague
95.46.146.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
95.46.150.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.2.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.6.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.12.0/23 512
99.8%
ALFA TELECOM s.r.o. CZ — —
95.47.30.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.54.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.72.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.80.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.88.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.92.0/23 512
100.0%
ALFA TELECOM s.r.o. CZ — —
95.47.100.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.106.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
95.47.158.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
146.120.204.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
146.120.228.0/23 512
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.25.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.31.0/24 256
100.0%
ALFA TELECOM s.r.o. CZ — —
31.148.64.0/24 256
0.0%
ALFA TELECOM s.r.o. RU — —
31.148.65.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.68.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.71.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.77.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.80.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.81.0/24 256
0.0%
ALFA TELECOM s.r.o. RU — —
31.148.82.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.87.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.93.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.98.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.143.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.200.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.216.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.220.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.221.0/24 256
93.8%
ALFA TELECOM s.r.o. UA Donetsk Kramatorsk
31.148.222.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.242.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
31.148.243.0/24 256
0.0%
ALFA TELECOM s.r.o. UZ Tashkent Tashkent
31.148.247.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.38.34.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.38.93.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.38.94.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.145.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.148.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.171.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.176.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.183.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —
92.253.188.0/24 256
0.0%
ALFA TELECOM s.r.o. CZ — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS44546 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
31.148.242.0/24 36,726 2026-11-14 06:50:30
146.120.0.0/16 23,201 2026-11-14 06:50:30
185.67.252.0/22 23,117 2026-11-14 06:50:30
92.253.128.0/17 23,096 2026-11-14 06:50:30
195.178.4.0/23 22,989 2026-11-14 06:50:30
92.38.0.0/17 22,844 2026-11-14 06:50:30
151.249.128.0/17 22,811 2026-11-14 06:50:30
146.158.0.0/17 22,693 2026-11-14 06:50:30
95.46.0.0/15 22,636 2026-11-14 06:50:30
93.170.0.0/15 22,545 2026-11-14 06:50:30
31.148.0.0/16 22,250 2026-11-14 06:50:30
91.201.20.0/22 17,489 2026-11-14 06:48:31
93.170.98.0/24 8,011 2026-11-14 06:47:43
95.46.122.0/24 7,884 2026-11-14 06:47:43
93.171.140.0/23 4 2026-11-13 09:49:28
95.46.106.0/24 3 2026-06-14 00:15:09
93.171.232.0/23 1 2026-09-16 18:07:30
93.171.164.0/23 1 2026-10-13 16:30:29
151.249.192.0/22 1 2026-06-29 19:17:59
95.47.176.0/24 1 2026-05-24 18:29:05
146.120.214.0/24 1 2026-08-21 18:08:41

Frequently Asked Questions

What is AS44546?

AS44546 is an Autonomous System Number assigned to ALFA TELECOM s.r.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 AS44546 announce?

AS44546 announces 105.5K IPv4 addresses distributed across 84 routed CIDR prefixes. The network is registered in Czechia.

Who operates AS44546?

AS44546 is operated by ALFA TELECOM s.r.o.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.

What country is AS44546 registered in?

AS44546 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-14 07:24:05 UTC
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