ResearchRouting table, RPKI, IRR & looking glass

AS20900 IMS Networks SAS

AS20900 (AS-IMSNETORKS) is registered to IMS Networks SAS in FR. It originates 26 prefixes in the global routing table.

25
IPv4 prefixes
1
IPv6 prefixes
78,848
IPv4 addresses
69%
RPKI valid

Who holds AS20900

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

AS number
AS20900
Handle
AS-IMSNETORKS
Organization
IMS Networks SAS
Country
FR
ASPA
None published

What AS20900 announces

Prefixes originated by AS20900 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
25
IPv6 prefixes
1
IPv4 addresses
78,848 (308 /24s)
RPKI valid
18 69%
RPKI invalid
0
RPKI not found
8
ROAs naming AS20900
23
With an IRR route object
15 57%

Who AS20900 is reached through

The AS just before AS20900 in the paths our looking glass collectors hold, for 26 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.