AS50331 CITYNET Sp.z o.o.
AS50331 (CITYNET) is registered to CITYNET Sp.z o.o. in PL. It originates 2 prefixes in the global routing table.
Who holds AS50331
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS50331 announces
Prefixes originated by AS50331 in the routing table our collectors hold (kept current as routes change), 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.
Who AS50331 buys transit from
Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 3 upstreams.
Who buys transit from AS50331
None seen: AS50331 does not appear to provide transit to anyone.
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | CITYNET | RIPE-NCC-END-MNT, MNT-INSITE-SPZOO |
Route objects with origin AS50331: RIPE 10