ResearchRouting table, RPKI, IRR & looking glass

AS201730 Cloud4com s.r.o.

AS201730 (DataSpring) is registered to Cloud4com s.r.o. in CZ. It originates 27 prefixes in the global routing table.

26
IPv4 prefixes
1
IPv6 prefixes
5,376
IPv4 addresses
100%
RPKI valid

Who holds AS201730

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

AS number
AS201730
Handle
DataSpring
Organization
Cloud4com s.r.o.
Country
CZ
ASPA
None published

What AS201730 announces

Prefixes originated by AS201730 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
26
IPv6 prefixes
1
IPv4 addresses
5,376 (21 /24s)
RPKI valid
27 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS201730
28
With an IRR route object
27 100%

Who AS201730 is reached through

The AS just before AS201730 in the paths our looking glass collectors hold, for 27 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
RIPEDataSpringRIPE-NCC-END-MNT, CLOUD4COM-ROOT-MNT, MNT-ICT

Route objects with origin AS201730: RIPE 44

as-sets that list AS201730 (5)