ResearchRouting table, RPKI, IRR & looking glass

AS19750 Criteo Corp.

AS19750 (AS-CRITEO) is registered to Criteo Corp. in US. It originates 20 prefixes in the global routing table.

6
IPv4 prefixes
14
IPv6 prefixes
1,536
IPv4 addresses
100%
RPKI valid

Who holds AS19750

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

AS number
AS19750
Handle
AS-CRITEO
Organization
Criteo Corp.
Country
US
ASPA
None published

What AS19750 announces

Prefixes originated by AS19750 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
14
IPv4 addresses
1,536 (6 /24s)
RPKI valid
20 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS19750
12
With an IRR route object
20 100%

Who AS19750 is reached through

The AS just before AS19750 in the paths our looking glass collectors hold, for 20 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
ARINASN-CRITEO-USAMNT-CRITE-6

Route objects with origin AS19750: ARIN 38 · RIPE 3

as-sets that list AS19750 (6)