$ query “AS51248” --type=asn → 1 result(s)

AS51248 · HOST-TELECOM

Host-Telecom.com s.r.o.

AS51248 is run by Host-Telecom.com s.r.o. and is a hosting access provider, registered in Czechia since 2010. The system announces a respectable 12 800 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Czechia, with additional presence in Hong Kong SAR China and Germany.

Basic Information

Country
🇨🇿 Czechia
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 30, 2010
Last Changed
March 04, 2026
Last Seen
July 25, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
16 / 15
IPv6 Prefixes (raw / aggregated)
5 / 2
IPv4 Addresses
12 800
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇨🇿 Czechia (23 808 IPs), 🇭🇰 Hong Kong SAR China (1 024 IPs), 🇩🇪 Germany (512 IPs)
Prefix Changed
July 08, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
31 networks exchanging traffic without transit
Downstream Customers
3 downstreams buying transit
Degree
40 unique BGP neighbors
Reach
4 networks in customer cone

Upstream Providers (6)

Prefix Lists

IPv4 Prefixes (16 total)

  • 188.124.56.0/21 (2 048 addresses (/21 prefix))
  • 158.255.32.0/21 (2 048 addresses (/21 prefix))
  • 176.74.216.0/21 (2 048 addresses (/21 prefix))
  • 5.43.224.0/21 (2 048 addresses (/21 prefix))
  • 193.161.84.0/22 (1 024 addresses (/22 prefix))
  • 185.8.56.0/22 (1 024 addresses (/22 prefix))
  • 135.106.134.0/23 (512 addresses (/23 prefix))
  • 45.10.191.0/24 (256 addresses (/24 prefix))
  • 91.209.77.0/24 (256 addresses (/24 prefix))
  • 85.137.25.0/24 (256 addresses (/24 prefix))
  • 45.129.142.0/24 (256 addresses (/24 prefix))
  • 194.87.52.0/24 (256 addresses (/24 prefix))
  • 194.87.126.0/24 (256 addresses (/24 prefix))
  • 195.133.35.0/24 (256 addresses (/24 prefix))
  • 212.192.210.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2a10:9687::/32
  • 2a03:1840::/46