ResearchRouting table, RPKI, IRR & looking glass

AS21000 Atos France SAS

AS21000 (ATOS-AS) is registered to Atos France SAS in FR. It originates 23 prefixes in the global routing table.

23
IPv4 prefixes
0
IPv6 prefixes
9,216
IPv4 addresses
17%
RPKI valid

Who holds AS21000

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

AS number
AS21000
Handle
ATOS-AS
Organization
Atos France SAS
Country
FR
ASPA
None published

What AS21000 announces

Prefixes originated by AS21000 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
23
IPv6 prefixes
0
IPv4 addresses
9,216 (36 /24s)
RPKI valid
4 17%
RPKI invalid
0
RPKI not found
19
ROAs naming AS21000
4
With an IRR route object
21 91%

Who AS21000 is reached through

The AS just before AS21000 in the paths our looking glass collectors hold, for 23 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
RIPEATOS-ASRIPE-NCC-END-MNT, SVA-INFOGERANCE, MNT-AOI-NSS

Route objects with origin AS21000: RIPE 22 · RADB 1

as-sets that list AS21000 (10)