ResearchRouting table, RPKI, IRR & looking glass

AS41157 oui.do/netsys SAS

AS41157 (NINE-IX-BACKBONE-ASN-L3-EDGE-CACHE) is registered to oui.do/netsys SAS in FR. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS41157

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

AS number
AS41157
Handle
NINE-IX-BACKBONE-ASN-L3-EDGE-CACHE
Organization
oui.do/netsys SAS
Country
FR
ASPA
2 providers

What AS41157 announces

Prefixes originated by AS41157 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
256 (1 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS41157
2
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS41157 is reached through

The AS just before AS41157 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS41157 publishes an ASPA naming these providers. Check a path.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.