ResearchRouting table, RPKI, IRR & looking glass

AS209441 Tekfen Holding Anonim Sirketi

AS209441 (TEKFEN) is registered to Tekfen Holding Anonim Sirketi in TR. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS209441

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

AS number
AS209441
Handle
TEKFEN
Organization
Tekfen Holding Anonim Sirketi
Country
TR
ASPA
None published

What AS209441 announces

Prefixes originated by AS209441 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS209441
4
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 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS209441 is reached through

The AS just before AS209441 in the paths our looking glass collectors hold, for 4 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
RIPETEKFENRIPE-NCC-END-MNT, MNT-TR-TEKFEN1-1

Route objects with origin AS209441: RIPE 1

as-sets that list AS209441 (1)