ResearchRouting table, RPKI, IRR & looking glass

AS219514 Cennso Technologies GmbH

AS219514 (CENNSO) is registered to Cennso Technologies GmbH in DE. It originates 7 prefixes in the global routing table.

3
IPv4 prefixes
4
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS219514

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

AS number
AS219514
Handle
CENNSO
Organization
Cennso Technologies GmbH
Country
DE
ASPA
None published

What AS219514 announces

Prefixes originated by AS219514 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
4
IPv4 addresses
768 (3 /24s)
RPKI valid
7 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS219514
7
With an IRR route object
7 100%

Announced prefixes

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

Who AS219514 is reached through

The AS just before AS219514 in the paths our looking glass collectors hold, for 7 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
RIPECENNSORIPE-NCC-END-MNT, LIR-DE-CENNSO-1-MNT

Route objects with origin AS219514: RIPE 10

as-sets that list AS219514 (3)