ResearchRouting table, RPKI, IRR & looking glass

AS51595 NTT Data Business Solutions A/S

AS51595 (NDBSN_AS) is registered to NTT Data Business Solutions A/S in DK. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
1,280
IPv4 addresses
100%
RPKI valid

Who holds AS51595

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

AS number
AS51595
Handle
NDBSN_AS
Organization
NTT Data Business Solutions A/S
Country
DK
ASPA
None published

What AS51595 announces

Prefixes originated by AS51595 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
0
IPv4 addresses
1,280 (5 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS51595
2
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS51595 is reached through

The AS just before AS51595 in the paths our looking glass collectors hold, for 2 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
RIPENDBSN_ASRIPE-NCC-END-MNT, NIA-MNT, NDBS-MNT

Route objects with origin AS51595: RIPE 2

as-sets that list AS51595 (3)