ResearchRouting table, RPKI, IRR & looking glass

AS197974 Vladislav Nitsenko

AS197974 (PLYM-AS) is registered to Vladislav Nitsenko in EE. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS197974

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

AS number
AS197974
Handle
PLYM-AS
Organization
Vladislav Nitsenko
Country
EE
ASPA
5 providers

What AS197974 announces

Prefixes originated by AS197974 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS197974
15
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS197974 is reached through

The AS just before AS197974 in the paths our looking glass collectors hold, for 4 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS197974 publishes an ASPA naming these providers. Check a path.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEPLYM-ASRIPE-NCC-END-MNT, PLYM-MNT

Route objects with origin AS197974: RADB 11 · ARIN 7 · RIPE 5

as-sets that list AS197974 (11)