subnet.im

AS59747NIX.CZ z.s.p.o.

CzechiaRegistryRIPE NCC

As of 22nd October 2026, AS59747 (NIX.CZ z.s.p.o.), a network registered in Czechia with RIPE NCC, originates 1 IPv6 prefix. It is seen behind 11 upstream networks, most often AS6855 (Slovak Telekom, a.s.) and AS8251 (FreeTel, s.r.o.), and in front of 1 downstream network. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

0

IPv6 prefixes

1

IPv4 addresses

0

IPv6 /64s

65.5k

Upstream graph

The networks AS59747 is seen behind, one and two hops out, drawn from real AS paths.

AS59747Toward the internet core
Upstream graph for AS59747: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS59747NIX.CZ z.s.p.o.This networkAS5610O2 Czech Republic…AS6855Slovak Telekom, a…AS6939Hurricane Electri…AS8251FreeTel, s.r.o.AS24482SG.GSAS174Cogent Communicat…AS3320Deutsche Telekom …AS1299Arelion (fka. Tel…AS20130Depaul UniversityAS132337AxclusiveAS29208Quantcom, a.s.AS38623Metfone (Viettel …

Networks observed one and two hops upstream of AS59747 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

42

adjacent networks

Upstreams
1126%
Peers
3071%
Downstreams
12%

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

Upstreams of AS59747
NetworkCountryRelationshipPathsVantage pts
AS6855Slovak Telekom, a.s.SKPeer8866
AS8251FreeTel, s.r.o.CZPeer4937
AS6939Hurricane Electric LLCUSPeer2213
AS5610O2 Czech Republic, a.s.CZPeer2216
AS24482SG.GSSGPeer43
AS32590Valve CorporationUSPeer32
AS132337AxclusiveSGPeer32
AS49544i3D.net B.VNLPeer32
AS24940Hetzner Online GmbHDEPeer32
AS8218Zayo EuropeFRPeer21

Prefixes

The largest blocks AS59747 originates, widest first.

Largest prefixes originated by AS59747
PrefixAddressesVisibility
2001:148f:fffc::/4865.5k × /6462/64

Routing health

How AS59747's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%1
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%1
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv6 — 1 prefixes

  • /4865.5k × /64100.0%1

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

No announcement by AS59747 started or stopped in this period.

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