ResearchRouting table, RPKI, IRR & looking glass

AS215821 London Digital Systems LTD

AS215821 (AS215821) is registered to London Digital Systems LTD in GB. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
768
IPv4 addresses
75%
RPKI valid

Who holds AS215821

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

AS number
AS215821
Handle
AS215821
Organization
London Digital Systems LTD
Country
GB
ASPA
None published

What AS215821 announces

Prefixes originated by AS215821 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
1
IPv4 addresses
768 (3 /24s)
RPKI valid
3 75%
RPKI invalid
0
RPKI not found
1
ROAs naming AS215821
3
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 (3)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS215821 is reached through

The AS just before AS215821 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
RIPEAS215821RIPE-NCC-END-MNT, TR-BURSABILTEKNOLOJI-1-MNT

Route objects with origin AS215821: ARIN 2 · RIPE 1

as-sets that list AS215821 (2)