ResearchRouting table, RPKI, IRR & looking glass

AS50757 TDC Brands A/S

AS50757 (NUUDAY-IP-CORE) is registered to TDC Brands A/S in DK. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS50757

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

AS number
AS50757
Handle
NUUDAY-IP-CORE
Organization
TDC Brands A/S
Country
DK
ASPA
None published

What AS50757 announces

Prefixes originated by AS50757 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
0
IPv4 addresses
768 (3 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS50757
3
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 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS50757 is reached through

The AS just before AS50757 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
RIPENUUDAY-IP-CORERIPE-NCC-END-MNT, MNT-DK-NUUDAY-1

Route objects with origin AS50757: RIPE 5

as-sets that list AS50757 (2)