ResearchRouting table, RPKI, IRR & looking glass

AS21391 Algerian Broadcasting (Tele Diffusion d'Algerie TDA)

AS21391 is registered to Algerian Broadcasting (Tele Diffusion d'Algerie TDA) in DZ. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
4,096
IPv4 addresses
0%
RPKI valid

Who holds AS21391

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

AS number
AS21391
Handle
Algerian Broadcasting (Tele Diffusion d'Algerie TDA)
Organization
Algerian Broadcasting (Tele Diffusion d'Algerie TDA)
Country
DZ
ASPA
None published

What AS21391 announces

Prefixes originated by AS21391 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
0
IPv4 addresses
4,096 (16 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS21391
0
With an IRR route object
0 0%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS21391 is reached through

The AS just before AS21391 in the paths our looking glass collectors hold, for 1 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
AFRINICTDA-ASAFRINIC-HM-MNT
as-sets that list AS21391 (7)