ResearchRouting table, RPKI, IRR & looking glass

AS5578 SWAN, a.s.

AS5578 (AS-BENESTRA) is registered to SWAN, a.s. in SK. It originates 58 prefixes in the global routing table.

53
IPv4 prefixes
5
IPv6 prefixes
322,816
IPv4 addresses
91%
RPKI valid

Who holds AS5578

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

AS number
AS5578
Handle
AS-BENESTRA
Organization
SWAN, a.s.
Country
SK
ASPA
None published

What AS5578 announces

Prefixes originated by AS5578 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
53
IPv6 prefixes
5
IPv4 addresses
322,816 (1,261 /24s)
RPKI valid
53 91%
RPKI invalid
0
RPKI not found
5
ROAs naming AS5578
55
With an IRR route object
53 91%

Who AS5578 is reached through

The AS just before AS5578 in the paths our looking glass collectors hold, for 58 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS5578 publishes no ASPA of its own. 3 ASes name it as a provider in theirs. Check a path.

The 3 ASes that name AS5578 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.