ResearchRouting table, RPKI, IRR & looking glass

AS60492 Mimecast Services Limited

AS60492 (MIMECAST-JE) is registered to Mimecast Services Limited in GB. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
1,280
IPv4 addresses
100%
RPKI valid

Who holds AS60492

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

AS number
AS60492
Handle
MIMECAST-JE
Organization
Mimecast Services Limited
Country
GB
ASPA
None published

What AS60492 announces

Prefixes originated by AS60492 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
1,280 (5 /24s)
RPKI valid
5 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS60492
10
With an IRR route object
5 100%

Announced prefixes

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

IPv4 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS60492 is reached through

The AS just before AS60492 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
RIPEMIMECAST-JERIPE-NCC-END-MNT, MCSL-RIPE-MNT

Route objects with origin AS60492: RIPE 7 · ARIN 2 · RADB 1

as-sets that list AS60492 (4)