ResearchRouting table, RPKI, IRR & looking glass

AS28857 DXC Technology Austria GmbH

AS28857 (CSC-AS) is registered to DXC Technology Austria GmbH in AT. It originates 3 prefixes in the global routing table.

2
IPv4 prefixes
1
IPv6 prefixes
1,024
IPv4 addresses
66%
RPKI valid

Who holds AS28857

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

AS number
AS28857
Handle
CSC-AS
Organization
DXC Technology Austria GmbH
Country
AT
ASPA
None published

What AS28857 announces

Prefixes originated by AS28857 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
1
IPv4 addresses
1,024 (4 /24s)
RPKI valid
2 66%
RPKI invalid
0
RPKI not found
1
ROAs naming AS28857
2
With an IRR route object
2 66%

Announced prefixes

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

IPv4 (2)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS28857 is reached through

The AS just before AS28857 in the paths our looking glass collectors hold, for 3 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
RIPECSC-ASCSC-AT-MNT, RIPE-NCC-END-MNT

Route objects with origin AS28857: RIPE 2

as-sets that list AS28857 (7)