ResearchRouting table, RPKI, IRR & looking glass

AS205718 ALCORT INGENIERIA Y ASESORIA S.L.

AS205718 (ALCORT) is registered to ALCORT INGENIERIA Y ASESORIA S.L. in ES. It originates 18 prefixes in the global routing table.

9
IPv4 prefixes
9
IPv6 prefixes
9,216
IPv4 addresses
100%
RPKI valid

Who holds AS205718

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

AS number
AS205718
Handle
ALCORT
Organization
ALCORT INGENIERIA Y ASESORIA S.L.
Country
ES
ASPA
None published

What AS205718 announces

Prefixes originated by AS205718 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
9
IPv6 prefixes
9
IPv4 addresses
9,216 (36 /24s)
RPKI valid
18 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS205718
18
With an IRR route object
18 100%

Announced prefixes

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

Who AS205718 is reached through

The AS just before AS205718 in the paths our looking glass collectors hold, for 18 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.

Sourceas-nameMaintained by
RIPEALCORTRIPE-NCC-END-MNT, ES-ALCORT-ING-1-MNT

Route objects with origin AS205718: RIPE 19

as-sets that list AS205718 (8)