ResearchRouting table, RPKI, IRR & looking glass

AS27818 Cotesma

AS27818 (AS27818) is registered to Cotesma in AR. It originates 89 prefixes in the global routing table.

71
IPv4 prefixes
18
IPv6 prefixes
17,664
IPv4 addresses
100%
RPKI valid

Who holds AS27818

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

AS number
AS27818
Handle
AS27818
Organization
Cotesma
Country
AR
ASPA
None published

What AS27818 announces

Prefixes originated by AS27818 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
71
IPv6 prefixes
18
IPv4 addresses
17,664 (69 /24s)
RPKI valid
89 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS27818
24
With an IRR route object
18 20%

Announced prefixes

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

IPv4 (71)
IPv6 (18)

RPKI valid   RPKI invalid   no ROA covers it

Who AS27818 is reached through

The AS just before AS27818 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.

Sourceas-nameMaintained by
LACNICAS27818MNT-AR-COTE6-LACNIC

Route objects with origin AS27818: LACNIC 24 · RADB 2

as-sets that list AS27818 (8)