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Autonomous System

AS5588

T-Mobile Czech Republic a.s.

Announced IPs
43,520
CIDR prefixes
38
ASN
AS5588

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.

67/100
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 NSP
Geographic scope Europe
Peering policy No
IRR record AS-GTS-CE

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
91.120.192.0/19 8.2K
0.1%
T-Mobile Czech Republic a.s. HU Budapest Budapest
194.149.0.0/19 8.2K
9.5%
T-Mobile Czech Republic a.s. HU
91.120.0.0/20 4.1K
1.6%
T-Mobile Czech Republic a.s. HU Budapest Budapest
91.120.224.0/20 4.1K
2.1%
T-Mobile Czech Republic a.s. HU Budapest Budapest
91.120.48.0/21 2.0K
27.5%
T-Mobile Czech Republic a.s. HU
91.120.240.0/21 2.0K
10.7%
T-Mobile Czech Republic a.s. HU
91.120.20.0/22 1.0K
31.1%
T-Mobile Czech Republic a.s. HU
91.120.24.0/22 1.0K
14.0%
T-Mobile Czech Republic a.s. HU
91.120.36.0/22 1.0K
8.4%
T-Mobile Czech Republic a.s. HU
91.120.44.0/22 1.0K
29.1%
T-Mobile Czech Republic a.s. HU
91.120.60.0/22 1.0K
6.2%
T-Mobile Czech Republic a.s. HU
91.120.252.0/22 1.0K
2.1%
T-Mobile Czech Republic a.s. HU
45.9.234.0/23 512
0.0%
T-Mobile Czech Republic a.s. GB
89.234.240.0/23 512
94.3%
T-Mobile Czech Republic a.s. PL
91.120.30.0/23 512
2.9%
T-Mobile Czech Republic a.s. HU
91.120.34.0/23 512
2.5%
T-Mobile Czech Republic a.s. HU
91.120.40.0/23 512
3.1%
T-Mobile Czech Republic a.s. HU
91.120.248.0/23 512
1.2%
T-Mobile Czech Republic a.s. HU
193.203.56.0/23 512
0.0%
T-Mobile Czech Republic a.s. PL
194.88.214.0/23 512
0.0%
DG-NET SA PL
45.9.233.0/24 256
0.0%
T-Mobile Czech Republic a.s. GB
89.234.205.0/24 256
0.0%
T-Mobile Czech Republic a.s. PL
89.234.206.0/24 256
0.0%
T-Mobile Czech Republic a.s. PL
89.234.233.0/24 256
95.3%
T-Mobile Czech Republic a.s. PL
89.234.234.0/24 256
0.0%
T-Mobile Czech Republic a.s. PL
89.234.238.0/24 256
96.5%
T-Mobile Czech Republic a.s. PL
91.120.28.0/24 256
2.7%
T-Mobile Czech Republic a.s. HU
91.120.32.0/24 256
9.8%
T-Mobile Czech Republic a.s. HU
91.120.42.0/24 256
4.3%
T-Mobile Czech Republic a.s. HU
91.120.56.0/24 256
0.4%
T-Mobile Czech Republic a.s. HU
91.120.59.0/24 256
12.5%
T-Mobile Czech Republic a.s. HU
193.32.181.0/24 256
89.8%
T-Mobile Czech Republic a.s. PL
193.32.182.0/24 256
89.8%
T-Mobile Czech Republic a.s. PL
193.203.58.0/24 256
0.0%
T-Mobile Czech Republic a.s. PL
194.11.132.0/24 256
0.0%
T-Mobile Czech Republic a.s. GB
194.11.194.0/24 256
0.0%
T-Mobile Czech Republic a.s. PL
194.11.216.0/24 256
0.0%
T-Mobile Czech Republic a.s. GB
194.11.220.0/24 256
0.0%
T-Mobile Czech Republic a.s. GB

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5588 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
194.11.220.0/24 9,705 2026-07-23 17:49:06
193.203.57.0/24 9,679 2026-07-23 18:55:00
194.88.214.0/24 9,674 2026-07-23 18:55:00
194.11.216.0/24 9,666 2026-07-23 17:49:06
193.203.58.0/24 9,664 2026-07-23 18:55:00
193.32.181.0/24 9,655 2026-07-23 18:55:00
194.88.215.0/24 9,650 2026-07-23 18:55:00
194.11.194.0/24 9,638 2026-07-23 18:55:00
193.203.56.0/24 9,634 2026-07-23 18:55:00
89.234.238.0/24 9,619 2026-07-23 17:49:06
193.32.182.0/24 9,619 2026-07-23 18:55:00
89.234.241.0/24 9,609 2026-07-23 17:49:06
89.234.206.0/24 9,597 2026-07-23 17:49:06
89.234.240.0/24 9,590 2026-07-23 17:49:06
89.234.233.0/24 9,589 2026-07-23 17:49:06
194.11.132.0/24 9,514 2026-07-23 17:49:06
89.234.234.0/24 9,455 2026-07-23 17:49:06
45.9.234.0/24 9,304 2026-07-23 17:49:06
45.9.235.0/24 9,293 2026-07-23 17:49:06
89.234.205.0/24 9,292 2026-07-23 17:49:06
45.9.233.0/24 9,217 2026-07-23 17:49:06
194.149.0.0/19 7,517 2026-07-23 17:50:36
91.120.0.0/16 7,328 2026-07-23 17:50:36
195.56.13.0/24 66 2026-07-23 09:53:31
195.56.20.0/24 66 2026-07-23 09:53:31

Frequently Asked Questions

What is AS5588?

AS5588 is an Autonomous System Number assigned to T-Mobile Czech Republic a.s.. 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 AS5588 announce?

AS5588 announces 43.5K IPv4 addresses distributed across 38 routed CIDR prefixes. The network is registered in Hungary.

Who operates AS5588?

AS5588 is operated by T-Mobile Czech Republic a.s.. The organization is based in Hungary. You can view all IP ranges and related ASNs on the organization page.

What country is AS5588 registered in?

AS5588 is registered in Hungary. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 18:55:31 UTC
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