ResearchRouting table, RPKI, IRR & looking glass

AS33203 2CRSI Corporation

AS33203 (2CRSI) is registered to 2CRSI Corporation in US. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
512
IPv4 addresses
50%
RPKI valid

Who holds AS33203

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

AS number
AS33203
Handle
2CRSI
Organization
2CRSI Corporation
Country
US
ASPA
None published

What AS33203 announces

Prefixes originated by AS33203 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
512 (2 /24s)
RPKI valid
1 50%
RPKI invalid
0
RPKI not found
1
ROAs naming AS33203
1
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS33203 is reached through

The AS just before AS33203 in the paths our looking glass collectors hold, for 2 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
ARIN2CRSI CORPORATIONMNT-CC-4475
NTTCOMTHE-ALDRIDGE-NETWORKMAINT-PHONOSCOPE
RADBTWO-CRSI_CORPORATIONMAINT-CHTR-WD

Route objects with origin AS33203: ARIN 2 · NTTCOM 2 · RADB 1

as-sets that list AS33203 (9)