ResearchRouting table, RPKI, IRR & looking glass

AS209447 RETN Limited

AS209447 (RETN-TR-AS) is registered to RETN Limited in GB. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS209447

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

AS number
AS209447
Handle
RETN-TR-AS
Organization
RETN Limited
Country
GB
ASPA
None published

What AS209447 announces

Prefixes originated by AS209447 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
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS209447
1
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS209447 is reached through

The AS just before AS209447 in the paths our looking glass collectors hold, for 1 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS209447 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS209447 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPERETN-TR-ASMNT-RETN, RIPE-NCC-END-MNT

Route objects with origin AS209447: RIPE 1

as-sets that list AS209447 (3)