ResearchRouting table, RPKI, IRR & looking glass

AS43541 VSHosting s.r.o.

AS43541 (VSHOSTING) is registered to VSHosting s.r.o. in CZ. It originates 25 prefixes in the global routing table.

18
IPv4 prefixes
7
IPv6 prefixes
17,152
IPv4 addresses
84%
RPKI valid

Who holds AS43541

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS43541
Handle
VSHOSTING
Organization
VSHosting s.r.o.
Country
CZ
ASPA
2 providers

What AS43541 announces

Prefixes originated by AS43541 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
18
IPv6 prefixes
7
IPv4 addresses
17,152 (67 /24s)
RPKI valid
21 84%
RPKI invalid
0
RPKI not found
4
ROAs naming AS43541
23
With an IRR route object
25 100%

Who AS43541 is reached through

The AS just before AS43541 in the paths our looking glass collectors hold, for 25 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS43541 publishes an ASPA naming these providers. 3 ASes name it as a provider in theirs. Check a path.

The 3 ASes that name AS43541 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.