ResearchRouting table, RPKI, IRR & looking glass

AS2121 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)

AS2121 (RIPE-MEETING-AS) is registered to Reseaux IP Europeens Network Coordination Centre (RIPE NCC) in NL. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
2,048
IPv4 addresses
100%
RPKI valid

Who holds AS2121

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

AS number
AS2121
Handle
RIPE-MEETING-AS
Organization
Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
Country
NL
ASPA
2 providers

What AS2121 announces

Prefixes originated by AS2121 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
1
IPv4 addresses
2,048 (8 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS2121
2
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS2121 is reached through

The AS just before AS2121 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS2121 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.