ResearchRouting table, RPKI, IRR & looking glass

AS21835 Scarsdale Security Systems, Inc.

AS21835 (SCARSDALE-SECURITY-SYSTEMS) is registered to Scarsdale Security Systems, Inc. in US. It originates 5 prefixes in the global routing table.

4
IPv4 prefixes
1
IPv6 prefixes
1,024
IPv4 addresses
0%
RPKI valid

Who holds AS21835

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

AS number
AS21835
Handle
SCARSDALE-SECURITY-SYSTEMS
Organization
Scarsdale Security Systems, Inc.
Country
US
ASPA
None published

What AS21835 announces

Prefixes originated by AS21835 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
1,024 (4 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS21835
0
With an IRR route object
2 40%

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 AS21835 is reached through

The AS just before AS21835 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
ARINAS-21835MNT-SCARSD-1

Route objects with origin AS21835: ARIN 2 · RADB 2 · LEVEL3 1

as-sets that list AS21835 (9)