ResearchRouting table, RPKI, IRR & looking glass

AS4473 AT&T Enterprises, LLC

AS4473 (ATTIS-ASN4473) is registered to AT&T Enterprises, LLC in US. It originates 32 prefixes in the global routing table.

32
IPv4 prefixes
0
IPv6 prefixes
78,336
IPv4 addresses
0%
RPKI valid

Who holds AS4473

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

AS number
AS4473
Handle
ATTIS-ASN4473
Organization
AT&T Enterprises, LLC
Country
US
ASPA
None published

What AS4473 announces

Prefixes originated by AS4473 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
32
IPv6 prefixes
0
IPv4 addresses
78,336 (306 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
32
ROAs naming AS4473
5
With an IRR route object
0 0%

Who AS4473 is reached through

The AS just before AS4473 in the paths our looking glass collectors hold, for 32 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.

Route objects with origin AS4473: ARIN 4

as-sets that list AS4473 (1)