ResearchRouting table, RPKI, IRR & looking glass

AS51517 Arend Brouwer

AS51517 (AS-ORANJEKOEK) is registered to Arend Brouwer in NL. It originates 4 prefixes in the global routing table.

2
IPv4 prefixes
2
IPv6 prefixes
512
IPv4 addresses
75%
RPKI valid

Who holds AS51517

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

AS number
AS51517
Handle
AS-ORANJEKOEK
Organization
Arend Brouwer
Country
NL
ASPA
None published

What AS51517 announces

Prefixes originated by AS51517 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
2
IPv4 addresses
512 (2 /24s)
RPKI valid
3 75%
RPKI invalid
0
RPKI not found
1
ROAs naming AS51517
7
With an IRR route object
3 75%

Announced prefixes

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

IPv4 (2)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS51517 is reached through

The AS just before AS51517 in the paths our looking glass collectors hold, for 4 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
RIPEAS-ORANJEKOEKRIPE-NCC-END-MNT, NL-ERITAP-1-MNT

Route objects with origin AS51517: RIPE 6

as-sets that list AS51517 (7)