ResearchRouting table, RPKI, IRR & looking glass

AS201237 Datatrans Internet Ltd

AS201237 (DATATRANS-BUDAPEST-HU) is registered to Datatrans Internet Ltd in HU. It originates 9 prefixes in the global routing table.

9
IPv4 prefixes
0
IPv6 prefixes
2,304
IPv4 addresses
100%
RPKI valid

Who holds AS201237

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

AS number
AS201237
Handle
DATATRANS-BUDAPEST-HU
Organization
Datatrans Internet Ltd
Country
HU
ASPA
None published

What AS201237 announces

Prefixes originated by AS201237 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
9
IPv6 prefixes
0
IPv4 addresses
2,304 (9 /24s)
RPKI valid
9 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS201237
9
With an IRR route object
9 100%

Announced prefixes

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

Who AS201237 is reached through

The AS just before AS201237 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
RIPEDATATRANS-BUDAPEST-HURIPE-NCC-END-MNT, DATATRANS-MNT

Route objects with origin AS201237: RIPE 11

as-sets that list AS201237 (2)