Autonomous System
AS51248 Host-Telecom.com s.r.o.
HostingActiveCzechiaRIPE
AS51248 (HOST-TELECOM) is a hosting network operated by Host-Telecom.com s.r.o. in Czechia, registered with RIPE. It has 19 IPv4 prefixes with 13,824 addresses and 5 IPv6 prefixes, which makes it the 8,577th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses13,824in 19 prefixes
IPv6 prefixes5≈ 7.9 × 10²⁸ addresses
Size rank#8,577of 82,200 active ASNs
Details
OrganizationHost-Telecom.com s.r.o. · hosting provider profile
AS nameHOST-TELECOM
Websitehost-telecom.com
Country Czechia (CZ)
Network typeHosting
RegistryRIPE
Abuse contactabuse@host-telecom.cz
Registered2010-06-30
Last updated2026-07-03
IPv4 prefixes
19 prefixes · 13,824 addresses| Network | Addresses | First – last address |
|---|---|---|
| 5.43.224.0/21 | 2,048 | 5.43.224.0 – 5.43.231.255 |
| 158.255.32.0/21 | 2,048 | 158.255.32.0 – 158.255.39.255 |
| 176.74.216.0/21 | 2,048 | 176.74.216.0 – 176.74.223.255 |
| 188.124.56.0/21 | 2,048 | 188.124.56.0 – 188.124.63.255 |
| 185.8.56.0/22 | 1,024 | 185.8.56.0 – 185.8.59.255 |
| 193.161.84.0/22 | 1,024 | 193.161.84.0 – 193.161.87.255 |
| 135.106.134.0/23 | 512 | 135.106.134.0 – 135.106.135.255 |
| 13.143.234.0/24 | 256 | 13.143.234.0 – 13.143.234.255 |
| 45.10.191.0/24 | 256 | 45.10.191.0 – 45.10.191.255 |
| 45.129.142.0/24 | 256 | 45.129.142.0 – 45.129.142.255 |
| 85.137.25.0/24 | 256 | 85.137.25.0 – 85.137.25.255 |
| 85.137.26.0/24 | 256 | 85.137.26.0 – 85.137.26.255 |
| 91.209.77.0/24 | 256 | 91.209.77.0 – 91.209.77.255 |
| 153.52.69.0/24 | 256 | 153.52.69.0 – 153.52.69.255 |
| 158.255.39.0/24 | 256 | 158.255.39.0 – 158.255.39.255 |
| 194.87.52.0/24 | 256 | 194.87.52.0 – 194.87.52.255 |
| 194.87.126.0/24 | 256 | 194.87.126.0 – 194.87.126.255 |
| 195.133.35.0/24 | 256 | 195.133.35.0 – 195.133.35.255 |
| 212.192.210.0/24 | 256 | 212.192.210.0 – 212.192.210.255 |
5.43.224.0/21 158.255.32.0/21 176.74.216.0/21 188.124.56.0/21 185.8.56.0/22 193.161.84.0/22 135.106.134.0/23 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 91.209.77.0/24 153.52.69.0/24 158.255.39.0/24 194.87.52.0/24 194.87.126.0/24 195.133.35.0/24 212.192.210.0/24
IPv6 prefixes
5 prefixes- 2a10:9687::/32
- 2a03:1840::/48
- 2a03:1840:1::/48
- 2a03:1840:2::/48
- 2a03:1840:3::/48
2a10:9687::/32 2a03:1840::/48 2a03:1840:1::/48 2a03:1840:2::/48 2a03:1840:3::/48
Query AS51248 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS51248&key=YOUR_API_KEY"Any address in its prefixes resolves to AS51248, with or without a key:
curl "https://api.ipapi.is/?q=5.43.224.1"Largest networks in Czechia
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