ResearchRouting table, RPKI, IRR & looking glass

AS203196 energy & meteo systems GmbH

AS203196 (emsys) is registered to energy & meteo systems GmbH in DE. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS203196

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

AS number
AS203196
Handle
emsys
Organization
energy & meteo systems GmbH
Country
DE
ASPA
3 providers

What AS203196 announces

Prefixes originated by AS203196 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
256 (1 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS203196
4
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS203196 is reached through

The AS just before AS203196 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS203196 publishes an ASPA naming these providers. Check a path.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEemsysRIPE-NCC-END-MNT, LIR-DE-EMSYS-1-MNT

Route objects with origin AS203196: RIPE 3

as-sets that list AS203196 (4)