ResearchRouting table, RPKI, IRR & looking glass

AS202521 Liquid Web B.V.

AS202521 (NEXCESS-AMS01) is registered to Liquid Web B.V. in US. It originates 5 prefixes in the global routing table.

4
IPv4 prefixes
1
IPv6 prefixes
1,536
IPv4 addresses
100%
RPKI valid

Who holds AS202521

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

AS number
AS202521
Handle
NEXCESS-AMS01
Organization
Liquid Web B.V.
Country
US
ASPA
None published

What AS202521 announces

Prefixes originated by AS202521 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
1
IPv4 addresses
1,536 (6 /24s)
RPKI valid
5 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS202521
5
With an IRR route object
3 60%

Announced prefixes

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

IPv4 (4)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS202521 is reached through

The AS just before AS202521 in the paths our looking glass collectors hold, for 5 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
RIPENEXCESS-AMS01RIPE-NCC-END-MNT, LWADMIN

Route objects with origin AS202521: RADB 3 · RIPE 1

as-sets that list AS202521 (7)