AS51248 HOST-TELECOM Host-Telecom.com s.r.o.

HOST-TELECOM Host-Telecom.com s.r.o. · registered in Czechia

IPv4 addresses14,08020 prefixes · <0.001% of announced IPv4

Rank in Czechia#48largest network in CZ by IPv4 space, of 570 · 0.17% of CZ

Rank worldwide#7,602of 79,396 networks with IPv4

IPv61 x /32 (65,540 x /48)2 prefixes

CountryCzechia599 ASNs registered there

Open AS51248 in ASN lookup Look up an IP in this network (5.43.224.1) All networks in Czechia

IPv4 prefixes

All 20 prefixes, in address order.

5.43.224.0/21
13.143.234.0/24
45.10.191.0/24
45.129.142.0/24
85.137.25.0/24
85.137.26.0/24
89.125.237.0/24
91.209.77.0/24
135.106.134.0/23
153.52.69.0/24
158.255.32.0/21
176.74.216.0/21
185.8.56.0/22
188.124.56.0/21
193.161.84.0/22
194.87.52.0/24
194.87.126.0/24
195.133.35.0/24
201.8.94.0/24
212.192.210.0/24

IPv6 prefixes

All 2 prefixes.

2a03:1840::/46
2a10:9687::/32

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS204666#45 TLAPNET-CZ Jiri Tlapak14,336

AS207187#46 TKRJASEK TKR Jasek, s.r.o.14,336

AS210712#47 GRAPESC-ISP ISP Alliance a.s.14,336

AS207700#49 Reliable-Communications Reliable Communications s.r.o.14,080

AS35592#50 COOLHOUSING-AS Coolhousing s.r.o.13,568

AS49101#51 KTCT-ASN CEZNET s.r.o.13,312

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources