ResearchRouting table, RPKI, IRR & looking glass

AS27281 Quantcast Corporation

AS27281 (QUANTCAST) is registered to Quantcast Corporation in US. It originates 22 prefixes in the global routing table.

14
IPv4 prefixes
8
IPv6 prefixes
3,584
IPv4 addresses
50%
RPKI valid

Who holds AS27281

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

AS number
AS27281
Handle
QUANTCAST
Organization
Quantcast Corporation
Country
US
ASPA
None published

What AS27281 announces

Prefixes originated by AS27281 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
14
IPv6 prefixes
8
IPv4 addresses
3,584 (14 /24s)
RPKI valid
11 50%
RPKI invalid
0
RPKI not found
11
ROAs naming AS27281
19
With an IRR route object
19 86%

Who AS27281 is reached through

The AS just before AS27281 in the paths our looking glass collectors hold, for 22 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.