AS59845 Top 21 Systemhaus GmbH
AS59845 (TOP21SH-AS) is registered to Top 21 Systemhaus GmbH in DE. It originates 4 prefixes in the global routing table.
Who holds AS59845
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS59845 announces
Prefixes originated by AS59845 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
RPKI valid RPKI invalid no ROA covers it
Who AS59845 is reached through
The AS just before AS59845 in the paths our looking glass collectors hold, for 4 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.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | TOP21SH-AS | RIPE-NCC-END-MNT, TOP21SH-MNT |
Route objects with origin AS59845: RIPE 4