ResearchRouting table, RPKI, IRR & looking glass

AS49926 Alex XZ Cypher Zero

AS49926 (Alex-Zero) is registered to Alex XZ Cypher Zero in GB. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
256
IPv4 addresses
50%
RPKI valid

Who holds AS49926

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

AS number
AS49926
Handle
Alex-Zero
Organization
Alex XZ Cypher Zero
Country
GB
ASPA
1 provider

What AS49926 announces

Prefixes originated by AS49926 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
1
IPv4 addresses
256 (1 /24s)
RPKI valid
1 50%
RPKI invalid
0
RPKI not found
1
ROAs naming AS49926
2
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS49926 is reached through

The AS just before AS49926 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS49926 publishes an ASPA naming this provider. Check a path.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEAlex-ZeroRIPE-NCC-END-MNT, VERTEX-MNT

Route objects with origin AS49926: RADB 1 · RIPE 1

as-sets that list AS49926 (3)