ResearchRouting table, RPKI, IRR & looking glass

AS57758 CBWS Holding B.V.

AS57758 (CBWS-AS) is registered to CBWS Holding B.V. in NL. It originates 16 prefixes in the global routing table.

5
IPv4 prefixes
11
IPv6 prefixes
1,280
IPv4 addresses
100%
RPKI valid

Who holds AS57758

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

AS number
AS57758
Handle
CBWS-AS
Organization
CBWS Holding B.V.
Country
NL
ASPA
None published

What AS57758 announces

Prefixes originated by AS57758 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
11
IPv4 addresses
1,280 (5 /24s)
RPKI valid
16 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS57758
18
With an IRR route object
14 87%

Who AS57758 is reached through

The AS just before AS57758 in the paths our looking glass collectors hold, for 16 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
RIPECBWS-ASRIPE-NCC-END-MNT, MNT-CBWS

Route objects with origin AS57758: RIPE 25 · RADB 2

as-sets that list AS57758 (7)