ResearchRouting table, RPKI, IRR & looking glass

AS146943 Tier 4 Cloud Services

AS146943 (TIER4CLOU-AS) is registered to Tier 4 Cloud Services in IN. It originates 94 prefixes in the global routing table.

89
IPv4 prefixes
5
IPv6 prefixes
23,552
IPv4 addresses
98%
RPKI valid

Who holds AS146943

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

AS number
AS146943
Handle
TIER4CLOU-AS
Organization
Tier 4 Cloud Services
Country
IN
ASPA
None published

What AS146943 announces

Prefixes originated by AS146943 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
89
IPv6 prefixes
5
IPv4 addresses
23,552 (92 /24s)
RPKI valid
93 98%
RPKI invalid
0
RPKI not found
1
ROAs naming AS146943
110
With an IRR route object
93 98%

Announced prefixes

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

Who AS146943 is reached through

The AS just before AS146943 in the paths our looking glass collectors hold, for 60 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.