ResearchRouting table, RPKI, IRR & looking glass

AS202556 Blond & Brown s.r.o.

AS202556 (ASKRIVONET) is registered to Blond & Brown s.r.o. in CZ. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
0%
RPKI valid

Who holds AS202556

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

AS number
AS202556
Handle
ASKRIVONET
Organization
Blond & Brown s.r.o.
Country
CZ
ASPA
None published

What AS202556 announces

Prefixes originated by AS202556 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
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS202556
0
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS202556 is reached through

The AS just before AS202556 in the paths our looking glass collectors hold, for 1 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
RIPEASKRIVONETRIPE-NCC-END-MNT, MNT-CZ-BLONDBROWN-1

Route objects with origin AS202556: RIPE 1

as-sets that list AS202556 (5)