ResearchRouting table, RPKI, IRR & looking glass

AS59816 4on LTD

AS59816 (BLYNX) is registered to 4on LTD in GB. It originates 11 prefixes in the global routing table.

10
IPv4 prefixes
1
IPv6 prefixes
5,632
IPv4 addresses
90%
RPKI valid

Who holds AS59816

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

AS number
AS59816
Handle
BLYNX
Organization
4on LTD
Country
GB
ASPA
None published

What AS59816 announces

Prefixes originated by AS59816 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
10
IPv6 prefixes
1
IPv4 addresses
5,632 (22 /24s)
RPKI valid
10 90%
RPKI invalid
0
RPKI not found
1
ROAs naming AS59816
14
With an IRR route object
7 63%

Announced prefixes

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

Who AS59816 is reached through

The AS just before AS59816 in the paths our looking glass collectors hold, for 11 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
RIPEBLYNXRIPE-NCC-END-MNT, BLYNX-MNT

Route objects with origin AS59816: RIPE 10

as-sets that list AS59816 (8)