ResearchRouting table, RPKI, IRR & looking glass

AS42457 CARDOCK HOSTING LIMITED

AS42457 (ascdck1) is registered to CARDOCK HOSTING LIMITED in GB. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS42457

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

AS number
AS42457
Handle
ascdck1
Organization
CARDOCK HOSTING LIMITED
Country
GB
ASPA
None published

What AS42457 announces

Prefixes originated by AS42457 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
0
IPv4 addresses
768 (3 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS42457
3
With an IRR route object
3 100%

Announced prefixes

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

IPv4 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS42457 is reached through

The AS just before AS42457 in the paths our looking glass collectors hold, for 3 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
RIPEascdck1RIPE-NCC-END-MNT, MNT-UK-CARDOCK1-1

Route objects with origin AS42457: RIPE 3

as-sets that list AS42457 (2)