AS21738 Rozint
AS21738 (ROZINT) is registered to Rozint in US. It originates 13 prefixes in the global routing table.
Who holds AS21738
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS21738 announces
Prefixes originated by AS21738 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 AS21738 is reached through
The AS just before AS21738 in the paths our looking glass collectors hold, for 13 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS21738 publishes an ASPA naming these providers. 16 ASes name it as a provider in theirs. Check a path.
The 16 ASes that name AS21738 as a provider
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| ARIN | ROZINT | MNT-RL-895 |
Route objects with origin AS21738: ARIN 12 · RIPE 6 · BELL 1 · RADB 1