ResearchRouting table, RPKI, IRR & looking glass

AS201142 Covestro Deutschland AG

AS201142 (COVESTRO-DE-AS) is registered to Covestro Deutschland AG in DE. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
4,096
IPv4 addresses
0%
RPKI valid

Who holds AS201142

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

AS number
AS201142
Handle
COVESTRO-DE-AS
Organization
Covestro Deutschland AG
Country
DE
ASPA
None published

What AS201142 announces

Prefixes originated by AS201142 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
4,096 (16 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS201142
0
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 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS201142 is reached through

The AS just before AS201142 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.

Sourceas-nameMaintained by
RIPECOVESTRO-DE-ASRIPE-NCC-END-MNT, MATERIALSCIENCE-MNT, COVESTRO-MNT

Route objects with origin AS201142: RIPE 5

as-sets that list AS201142 (3)