ResearchRouting table, RPKI, IRR & looking glass

AS203732 DV Bern AG

AS203732 (DVBERN) is registered to DV Bern AG in CH. It originates 3 prefixes in the global routing table.

2
IPv4 prefixes
1
IPv6 prefixes
1,280
IPv4 addresses
0%
RPKI valid

Who holds AS203732

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

AS number
AS203732
Handle
DVBERN
Organization
DV Bern AG
Country
CH
ASPA
None published

What AS203732 announces

Prefixes originated by AS203732 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
1,280 (5 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
3
ROAs naming AS203732
0
With an IRR route object
3 100%

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 AS203732 is reached through

The AS just before AS203732 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
RIPEDVBERNRIPE-NCC-END-MNT, CH-DVBERN-1-MNT

Route objects with origin AS203732: RIPE 3

as-sets that list AS203732 (2)