ResearchRouting table, RPKI, IRR & looking glass

AS211835 Centre D'etudes Et D'expertise Sur Les Risques L'environnement La Mobilite Et L'amenagement

AS211835 (CEREMA) is registered to Centre D'etudes Et D'expertise Sur Les Risques L'environnement La Mobilite Et L'amenagement in FR. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
0%
RPKI valid

Who holds AS211835

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

AS number
AS211835
Handle
CEREMA
Organization
Centre D'etudes Et D'expertise Sur Les Risques L'environnement La Mobilite Et L'amenagement
Country
FR
ASPA
None published

What AS211835 announces

Prefixes originated by AS211835 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
0
IPv4 addresses
256 (1 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS211835
0
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS211835 is reached through

The AS just before AS211835 in the paths our looking glass collectors hold, for 1 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
RIPECEREMARIPE-NCC-END-MNT, MNT-LYONIX, CEREMA-MNT

Route objects with origin AS211835: RIPE 1

as-sets that list AS211835 (2)