ResearchRouting table, RPKI, IRR & looking glass

AS400303 TruVista Communications

AS400303 (SYLVESTER-1) is registered to TruVista Communications in US. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
1,792
IPv4 addresses
100%
RPKI valid

Who holds AS400303

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

AS number
AS400303
Handle
SYLVESTER-1
Organization
TruVista Communications
Country
US
ASPA
None published

What AS400303 announces

Prefixes originated by AS400303 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
0
IPv4 addresses
1,792 (7 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS400303
4
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS400303 is reached through

The AS just before AS400303 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
ARINCS-ASN-01MNT-TRUVI

Route objects with origin AS400303: ARIN 7 · RADB 5

as-sets that list AS400303 (6)