ResearchRouting table, RPKI, IRR & looking glass

AS205280 Jens Andersen

AS205280 (Jens-Andersen) is registered to Jens Andersen in DK. It originates 7 prefixes in the global routing table.

1
IPv4 prefixes
6
IPv6 prefixes
256
IPv4 addresses
85%
RPKI valid

Who holds AS205280

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

AS number
AS205280
Handle
Jens-Andersen
Organization
Jens Andersen
Country
DK
ASPA
3 providers

What AS205280 announces

Prefixes originated by AS205280 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
6
IPv4 addresses
256 (1 /24s)
RPKI valid
6 85%
RPKI invalid
0
RPKI not found
1
ROAs naming AS205280
2
With an IRR route object
7 100%

Announced prefixes

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

Who AS205280 is reached through

The AS just before AS205280 in the paths our looking glass collectors hold, for 7 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS205280 publishes an ASPA naming these providers. Check a path.