ResearchRouting table, RPKI, IRR & looking glass

AS57496 Praha1.net z.s.p.o.

AS57496 (PRAHA1NET-AS) is registered to Praha1.net z.s.p.o. in CZ. It originates 3 prefixes in the global routing table.

1
IPv4 prefixes
2
IPv6 prefixes
4,096
IPv4 addresses
0%
RPKI valid

Who holds AS57496

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

AS number
AS57496
Handle
PRAHA1NET-AS
Organization
Praha1.net z.s.p.o.
Country
CZ
ASPA
None published

What AS57496 announces

Prefixes originated by AS57496 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
2
IPv4 addresses
4,096 (16 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
3
ROAs naming AS57496
0
With an IRR route object
3 100%

Announced prefixes

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

IPv4 (1)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS57496 is reached through

The AS just before AS57496 in the paths our looking glass collectors hold, for 3 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
RIPEPRAHA1NET-ASRIPE-NCC-END-MNT, PRAHA1NET-MNT

Route objects with origin AS57496: RIPE 3

as-sets that list AS57496 (6)