SUBNET.IM

AS12570O2 Czech Republic, a.s.

CzechiaRegistryRIPE NCCTypeEyeball

At a glance

IPv4 prefixes

11

IPv6 prefixes

2

IPv4 addresses

53.8k

IPv6 /64s

38.7B

Upstream graph

The networks AS12570 is seen behind, one and two hops out, drawn from real AS paths.

AS12570Toward the internet core
Upstream graph for AS12570: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS12570O2 Czech Republic…This networkAS16246O2 Czech Republic…AS47232ISP Alliance a.s.AS5610O2 Czech Republic…AS62178MASTER IT Technol…AS6939Hurricane Electri…AS39392SH.cz s.r.o.

Networks observed one and two hops upstream of AS12570 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

22

adjacent networks

Upstreams
29%
Peers
1150%
Downstreams
941%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS12570
NetworkCountryRelationshipPathsVantage pts
AS16246O2 Czech Republic, a.s.CZPeer2,257141
AS47232ISP Alliance a.s.CZPeer4111

Prefixes

The largest blocks AS12570 originates, widest first.

Largest prefixes originated by AS12570
PrefixAddressesVisibility
88.83.224.0/198.2k79/80
109.105.32.0/198.2k79/80
212.4.128.0/198.2k79/80
212.96.160.0/198.2k79/80
213.211.32.0/198.2k79/80
80.78.144.0/204.1k79/80
89.190.48.0/204.1k79/80
89.190.40.0/212k79/80
185.8.188.0/221k79/80
193.17.248.0/221k79/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.