ResearchRouting table, RPKI, IRR & looking glass

AS133924 Covestro AG

AS133924 (COVESTRO-AS-AP) is registered to Covestro AG in DE. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
2,048
IPv4 addresses
0%
RPKI valid

Who holds AS133924

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

AS number
AS133924
Handle
COVESTRO-AS-AP
Organization
Covestro AG
Country
DE
ASPA
None published

What AS133924 announces

Prefixes originated by AS133924 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
0
IPv4 addresses
2,048 (8 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
4
ROAs naming AS133924
0
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 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS133924 is reached through

The AS just before AS133924 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.

Sourceas-nameMaintained by
APNICCOVESTRO-AS-APAPNIC-HM

Route objects with origin AS133924: RIPE 4

as-sets that list AS133924 (3)