ResearchRouting table, RPKI, IRR & looking glass

AS50138 Centrul Tehnic Comercial Alfa SA

AS50138 (CTC-ALFA-AS) is registered to Centrul Tehnic Comercial Alfa SA in MD. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS50138

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

AS number
AS50138
Handle
CTC-ALFA-AS
Organization
Centrul Tehnic Comercial Alfa SA
Country
MD
ASPA
None published

What AS50138 announces

Prefixes originated by AS50138 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
256 (1 /24s)
RPKI valid
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS50138
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 AS50138 is reached through

The AS just before AS50138 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.

Routing registry objects

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

Sourceas-nameMaintained by
RIPECTC-ALFA-ASRIPE-NCC-END-MNT, CTC-ALFA-MNT

Route objects with origin AS50138: RIPE 1

as-sets that list AS50138 (8)