ResearchRouting table, RPKI, IRR & looking glass

AS51661 UVT Internet s.r.o.

AS51661 (ALLSTARNET) is registered to UVT Internet s.r.o. in CZ. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS51661

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

AS number
AS51661
Handle
ALLSTARNET
Organization
UVT Internet s.r.o.
Country
CZ
ASPA
1 provider

What AS51661 announces

Prefixes originated by AS51661 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
0
IPv4 addresses
768 (3 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS51661
2
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 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS51661 is reached through

The AS just before AS51661 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.

Provider authorization

AS51661 publishes an ASPA naming this provider. Check a path.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEALLSTARNETRIPE-NCC-END-MNT, MNT-UVT

Route objects with origin AS51661: RIPE 5

as-sets that list AS51661 (6)