ResearchRouting table, RPKI, IRR & looking glass

AS42947 Telfy Telecom S.L.

AS42947 (SKYNETLINK-AS) is registered to Telfy Telecom S.L. in ES. It originates 89 prefixes in the global routing table.

70
IPv4 prefixes
19
IPv6 prefixes
26,880
IPv4 addresses
79%
RPKI valid

Who holds AS42947

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

AS number
AS42947
Handle
SKYNETLINK-AS
Organization
Telfy Telecom S.L.
Country
ES
ASPA
None published

What AS42947 announces

Prefixes originated by AS42947 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
70
IPv6 prefixes
19
IPv4 addresses
26,880 (105 /24s)
RPKI valid
71 79%
RPKI invalid
0
RPKI not found
18
ROAs naming AS42947
37
With an IRR route object
89 100%

Announced prefixes

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

Who AS42947 is reached through

The AS just before AS42947 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

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