ResearchRouting table, RPKI, IRR & looking glass

AS213527 Lorenz Knak trading as IT-adjutor GmbH

AS213527 (IT-adjutor) is registered to Lorenz Knak trading as IT-adjutor GmbH in DE. It originates 9 prefixes in the global routing table.

3
IPv4 prefixes
6
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS213527

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

AS number
AS213527
Handle
IT-adjutor
Organization
Lorenz Knak trading as IT-adjutor GmbH
Country
DE
ASPA
6 providers

What AS213527 announces

Prefixes originated by AS213527 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
6
IPv4 addresses
768 (3 /24s)
RPKI valid
9 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS213527
27
With an IRR route object
9 100%

Announced prefixes

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

Who AS213527 is reached through

The AS just before AS213527 in the paths our looking glass collectors hold, for 9 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS213527 publishes an ASPA naming these providers. 3 ASes name it as a provider in theirs. Check a path.

The 3 ASes that name AS213527 as a provider

Routing registry objects

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