ResearchRouting table, RPKI, IRR & looking glass

AS21058 NETWORK SISTEMI S.R.L.

AS21058 (ASN-NETWORKSISTEMI) is registered to NETWORK SISTEMI S.R.L. in IT. It originates 14 prefixes in the global routing table.

14
IPv4 prefixes
0
IPv6 prefixes
3,584
IPv4 addresses
100%
RPKI valid

Who holds AS21058

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

AS number
AS21058
Handle
ASN-NETWORKSISTEMI
Organization
NETWORK SISTEMI S.R.L.
Country
IT
ASPA
None published

What AS21058 announces

Prefixes originated by AS21058 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
14
IPv6 prefixes
0
IPv4 addresses
3,584 (14 /24s)
RPKI valid
14 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS21058
23
With an IRR route object
14 100%

Announced prefixes

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

Who AS21058 is reached through

The AS just before AS21058 in the paths our looking glass collectors hold, for 14 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.

Sourceas-nameMaintained by
RIPEASN-NETWORKSISTEMIRIPE-NCC-END-MNT, LIR-IT-NETWORKSISTEMI-1-MNT

Route objects with origin AS21058: RIPE 15

as-sets that list AS21058 (12)