ResearchRouting table, RPKI, IRR & looking glass

AS206218 Anne-Jan Zwart

AS206218 (AT4-AS) is registered to Anne-Jan Zwart in NL. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS206218

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

AS number
AS206218
Handle
AT4-AS
Organization
Anne-Jan Zwart
Country
NL
ASPA
2 providers

What AS206218 announces

Prefixes originated by AS206218 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
256 (1 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS206218
3
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 AS206218 is reached through

The AS just before AS206218 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

AS206218 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
RIPEAT4-ASRIPE-NCC-END-MNT, AT4-MNT

Route objects with origin AS206218: RIPE 2

as-sets that list AS206218 (6)