ResearchRouting table, RPKI, IRR & looking glass

AS41047 Bart Vrancken

AS41047 (NL-MLAB) is registered to Bart Vrancken in NL. It originates 10 prefixes in the global routing table.

0
IPv4 prefixes
10
IPv6 prefixes
50%
RPKI valid

Who holds AS41047

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

AS number
AS41047
Handle
NL-MLAB
Organization
Bart Vrancken
Country
NL
ASPA
7 providers

What AS41047 announces

Prefixes originated by AS41047 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
0
IPv6 prefixes
10
RPKI valid
5 50%
RPKI invalid
0
RPKI not found
5
ROAs naming AS41047
5
With an IRR route object
10 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

Who AS41047 is reached through

The AS just before AS41047 in the paths our looking glass collectors hold, for 10 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS41047 publishes an ASPA naming these providers. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS41047 as a provider