ResearchRouting table, RPKI, IRR & looking glass

AS211025 OPTO-TECH GRZEGORZ WROBLEWSKI

AS211025 (OPTOTECH-AS) is registered to OPTO-TECH GRZEGORZ WROBLEWSKI in PL. It originates 8 prefixes in the global routing table.

8
IPv4 prefixes
0
IPv6 prefixes
2,816
IPv4 addresses
100%
RPKI valid

Who holds AS211025

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

AS number
AS211025
Handle
OPTOTECH-AS
Organization
OPTO-TECH GRZEGORZ WROBLEWSKI
Country
PL
ASPA
None published

What AS211025 announces

Prefixes originated by AS211025 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
8
IPv6 prefixes
0
IPv4 addresses
2,816 (11 /24s)
RPKI valid
8 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS211025
12
With an IRR route object
8 100%

Announced prefixes

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

Who AS211025 is reached through

The AS just before AS211025 in the paths our looking glass collectors hold, for 8 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.