ResearchRouting table, RPKI, IRR & looking glass

AS21021 Multimedia Polska Sp. z o.o.

AS21021 (MULTIMEDIA-AS) is registered to Multimedia Polska Sp. z o.o. in PL. It originates 47 prefixes in the global routing table.

45
IPv4 prefixes
2
IPv6 prefixes
634,624
IPv4 addresses
97%
RPKI valid

Who holds AS21021

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

AS number
AS21021
Handle
MULTIMEDIA-AS
Organization
Multimedia Polska Sp. z o.o.
Country
PL
ASPA
None published

What AS21021 announces

Prefixes originated by AS21021 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
45
IPv6 prefixes
2
IPv4 addresses
634,624 (2,479 /24s)
RPKI valid
46 97%
RPKI invalid
0
RPKI not found
1
ROAs naming AS21021
57
With an IRR route object
47 100%

Who AS21021 is reached through

The AS just before AS21021 in the paths our looking glass collectors hold, for 47 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.