AS51248Host-Telecom.com s.r.o.
CzechiaRegistryRIPE NCCAt a glance
IPv4 prefixes
16
IPv6 prefixes
5
IPv4 addresses
13.1k
IPv6 /64s
4.3B
Upstream graph
The networks AS51248 is seen behind, one and two hops out, drawn from real AS paths.
AS51248Toward the internet core
Networks observed one and two hops upstream of AS51248 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.
Neighbouring networks
70
adjacent networks
- Upstreams
- 1319%
- Peers
- 5376%
- Downstreams
- 46%
Networks carrying this one's traffic toward the rest of the internet.
| Network | Country | Relationship | Paths | Vantage pts |
|---|---|---|---|---|
| AS9002RETN Limited |  GB | Peer | 1,393 | 65 |
| AS1299Arelion (fka. Telia Carrier) |  SE | Peer | 866 | 34 |
| AS174Cogent Communications, LLC |  US | Peer | 544 | 28 |
| AS3223Voxility LLP | GB | Peer | 543 | 80 |
| AS3257GTT Communications Inc. | US | Peer | 362 | 18 |
| AS6939Hurricane Electric LLC | US | Peer | 245 | 9 |
| AS25091IP-Max SA |  CH | Peer | 93 | 2 |
| AS32590Valve Corporation | US | Peer | 53 | 2 |
| AS49544i3D.net B.V |  NL | Peer | 52 | 2 |
| AS24940Hetzner Online GmbH |  DE | Peer | 52 | 2 |
Prefixes
The largest blocks AS51248 originates, widest first.
| Prefix | Addresses | Visibility |
|---|---|---|
| 5.43.224.0/21 | 2k | 80/80 |
| 158.255.32.0/21 | 2k | 80/80 |
| 176.74.216.0/21 | 2k | 80/80 |
| 188.124.56.0/21 | 2k | 80/80 |
| 185.8.56.0/22 | 1k | 80/80 |
| 193.161.84.0/22 | 1k | 80/80 |
| 135.106.134.0/23 | 512 | 80/80 |
| 45.10.191.0/24 | 256 | 80/80 |
| 45.129.142.0/24 | 256 | 79/80 |
| 85.137.25.0/24 | 256 | 79/80 |
Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.