ResearchRouting table, RPKI, IRR & looking glass

AS396121 Bayer Corporation

AS396121 (BAYER-BERKELEY) is registered to Bayer Corporation in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
33%
RPKI valid

Who holds AS396121

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

AS number
AS396121
Handle
BAYER-BERKELEY
Organization
Bayer Corporation
Country
US
ASPA
None published

What AS396121 announces

Prefixes originated by AS396121 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
0
IPv4 addresses
768 (3 /24s)
RPKI valid
1 33%
RPKI invalid
0
RPKI not found
2
ROAs naming AS396121
1
With an IRR route object
2 66%

Announced prefixes

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

IPv4 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS396121 is reached through

The AS just before AS396121 in the paths our looking glass collectors hold, for 3 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.

Route objects with origin AS396121: RADB 2

as-sets that list AS396121 (4)