AS57142 Fiber 23 SRL
AS57142 (AS-FIBER23) is registered to Fiber 23 SRL in IT. It originates 13 prefixes in the global routing table.
Who holds AS57142
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS57142 announces
Prefixes originated by AS57142 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 AS57142 is reached through
The AS just before AS57142 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
AS57142 publishes no ASPA of its own. 2 ASes name it as a provider in theirs. Check a path.
The 2 ASes that name AS57142 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 |
|---|---|---|
| RIPE | AS-FIBER23 | RIPE-NCC-END-MNT, FIBER23RM-MNT |
Route objects with origin AS57142: RADB 32 · RIPE 13 · ARIN 1