ResearchRouting table, RPKI, IRR & looking glass

AS50917 Diederik Focko de Zee

AS50917 (DIEDERIK-AS) is registered to Diederik Focko de Zee in NL. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
768
IPv4 addresses
75%
RPKI valid

Who holds AS50917

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

AS number
AS50917
Handle
DIEDERIK-AS
Organization
Diederik Focko de Zee
Country
NL
ASPA
None published

What AS50917 announces

Prefixes originated by AS50917 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
1
IPv4 addresses
768 (3 /24s)
RPKI valid
3 75%
RPKI invalid
0
RPKI not found
1
ROAs naming AS50917
4
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (3)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS50917 is reached through

The AS just before AS50917 in the paths our looking glass collectors hold, for 4 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

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