ResearchRouting table, RPKI, IRR & looking glass

AS203909 Christian Svensson

AS203909 (MAINFRAME-NET) is registered to Christian Svensson in SE. It originates 2 prefixes in the global routing table.

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

Who holds AS203909

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

AS number
AS203909
Handle
MAINFRAME-NET
Organization
Christian Svensson
Country
SE
ASPA
None published

What AS203909 announces

Prefixes originated by AS203909 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 AS203909
5
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 AS203909 is reached through

The AS just before AS203909 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.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEMAINFRAME-NETRIPE-NCC-END-MNT, BLUECMD-MNT

Route objects with origin AS203909: RIPE 3

as-sets that list AS203909 (4)