ResearchRouting table, RPKI, IRR & looking glass

AS58138 Korton Computer Communication (KCC) B.V.

AS58138 (KORTON_INTERNET) is registered to Korton Computer Communication (KCC) B.V. in NL. It originates 5 prefixes in the global routing table.

4
IPv4 prefixes
1
IPv6 prefixes
2,816
IPv4 addresses
80%
RPKI valid

Who holds AS58138

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

AS number
AS58138
Handle
KORTON_INTERNET
Organization
Korton Computer Communication (KCC) B.V.
Country
NL
ASPA
None published

What AS58138 announces

Prefixes originated by AS58138 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
1
IPv4 addresses
2,816 (11 /24s)
RPKI valid
4 80%
RPKI invalid
0
RPKI not found
1
ROAs naming AS58138
4
With an IRR route object
5 100%

Announced prefixes

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

IPv4 (4)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS58138 is reached through

The AS just before AS58138 in the paths our looking glass collectors hold, for 5 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.