ResearchRouting table, RPKI, IRR & looking glass

AS57137 SIEVERS-SNC Beteiligungs GmbH

AS57137 (sievers-snc) is registered to SIEVERS-SNC Beteiligungs GmbH in DE. It originates 9 prefixes in the global routing table.

4
IPv4 prefixes
5
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS57137

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

AS number
AS57137
Handle
sievers-snc
Organization
SIEVERS-SNC Beteiligungs GmbH
Country
DE
ASPA
None published

What AS57137 announces

Prefixes originated by AS57137 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
5
IPv4 addresses
1,024 (4 /24s)
RPKI valid
9 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS57137
9
With an IRR route object
6 66%

Announced prefixes

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

Who AS57137 is reached through

The AS just before AS57137 in the paths our looking glass collectors hold, for 9 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
RIPEsievers-sncRIPE-NCC-END-MNT, MNT-DE-SIEVERS-SNC-1

Route objects with origin AS57137: RIPE 12

as-sets that list AS57137 (9)