ResearchRouting table, RPKI, IRR & looking glass

AS40703 Turner Broadcasting System, Inc.

AS40703 (WBD-AS40703) is registered to Turner Broadcasting System, Inc. in US. It originates 11 prefixes in the global routing table.

11
IPv4 prefixes
0
IPv6 prefixes
6,400
IPv4 addresses
72%
RPKI valid

Who holds AS40703

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

AS number
AS40703
Handle
WBD-AS40703
Organization
Turner Broadcasting System, Inc.
Country
US
ASPA
None published

What AS40703 announces

Prefixes originated by AS40703 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
11
IPv6 prefixes
0
IPv4 addresses
6,400 (25 /24s)
RPKI valid
8 72%
RPKI invalid
0
RPKI not found
3
ROAs naming AS40703
12
With an IRR route object
8 72%

Announced prefixes

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

Who AS40703 is reached through

The AS just before AS40703 in the paths our looking glass collectors hold, for 11 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.