ResearchRouting table, RPKI, IRR & looking glass

AS20836 CDLAN SpA

AS20836 (CDLAN-AS) is registered to CDLAN SpA in IT. It originates 21 prefixes in the global routing table.

16
IPv4 prefixes
5
IPv6 prefixes
26,368
IPv4 addresses
61%
RPKI valid

Who holds AS20836

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

AS number
AS20836
Handle
CDLAN-AS
Organization
CDLAN SpA
Country
IT
ASPA
None published

What AS20836 announces

Prefixes originated by AS20836 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
16
IPv6 prefixes
5
IPv4 addresses
26,368 (103 /24s)
RPKI valid
13 61%
RPKI invalid
0
RPKI not found
8
ROAs naming AS20836
17
With an IRR route object
21 100%

Who AS20836 is reached through

The AS just before AS20836 in the paths our looking glass collectors hold, for 21 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.

Sourceas-nameMaintained by
RIPECDLAN-ASRIPE-NCC-END-MNT, MNT-CDLAN

Route objects with origin AS20836: RIPE 26

as-sets that list AS20836 (10)