subnet.im

AS47232ISP Alliance a.s.

CzechiaRegistryRIPE NCCTypeEyeball

As of 10th November 2026, AS47232 (ISP Alliance a.s.), an access network registered in Czechia with RIPE NCC, originates 10 IPv4 prefixes covering 10k addresses and 6 IPv6 prefixes. By IPv4 address space that makes it the 10,736th-largest of the 80,723 networks we see originating IPv4, and the 70th-largest of 576 in Czechia. It is seen behind 15 upstream networks, most often AS1299 (Arelion (fka. Telia Carrier)) and AS6939 (Hurricane Electric LLC), and in front of 44 downstream networks. 75% of its announcements have 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

10

IPv6 prefixes

6

IPv4 addresses

10k

IPv6 /64s

116B

Upstream graph

The networks AS47232 is seen behind, one and two hops out, drawn from real AS paths.

AS47232Toward the internet core
Upstream graph for AS47232: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS47232ISP Alliance a.s.This networkAS1299Arelion (fka. Tel…AS6461Zayo BandwidthAS6939Hurricane Electri…AS24482SG.GSAS39392SH.cz s.r.o.AS13030Init7 (Switzerlan…AS16552Tiggee LLCAS20130Depaul UniversityAS132337AxclusiveAS38623Metfone (Viettel …AS215859Hetzner Cloud - S…AS33891Core-Backbone GmbH

Networks observed one and two hops upstream of AS47232 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

164

adjacent networks

Upstreams
159%
Peers
10564%
Downstreams
4427%

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

Upstreams of AS47232
NetworkCountryRelationshipPathsVantage pts
AS1299Arelion (fka. Telia Carrier)SEPeer4,358106
AS6939Hurricane Electric LLCUSPeer3,40364
AS39392SH.cz s.r.o.CZPeer1,69921
AS24482SG.GSSGPeer2805
AS6461Zayo BandwidthUSPeer2513
AS32590Valve CorporationUSPeer1492
AS49544i3D.net B.VNLPeer1482
AS24940Hetzner Online GmbHDEPeer1472
AS132337AxclusiveSGAdjacent1062
AS22356Durand do Brasil LtdaBRPeer1012

Prefixes

The largest blocks AS47232 originates, widest first.

Largest prefixes originated by AS47232
PrefixAddressesVisibility
78.111.112.0/204.1k76/76
46.29.224.0/212k76/76
185.15.108.0/221k76/76
193.107.160.0/221k76/76
5.39.200.0/2351276/76
94.140.25.0/2425676/76
148.59.93.0/2425676/76
185.52.172.0/2425676/76
185.151.171.0/2425676/76
195.26.25.0/2425676/76

Routing health

How AS47232'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

  • Valid75.0%12
  • Invalid0.0%0
  • No ROA25.0%4

Propagation

  • Globally propagated90% of full-feed peers or more100.0%16
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 10 prefixes

IPv6 — 6 prefixes

  • /2934.4B × /6450.0%3
  • /318.6B × /6416.7%1
  • /324.3B × /6416.7%1
  • /36268M × /6416.7%1

Recent changes

Announcements that started or stopped since 11th Oct 2026.

No announcement by AS47232 started or stopped in this period.

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