ResearchRouting table, RPKI, IRR & looking glass

AS31493 TWENTYTWENTYMEDIA LIMITED

AS31493 (TWENTYTWENTYMEDIA-AS) is registered to TWENTYTWENTYMEDIA LIMITED in GB. It originates 5 prefixes in the global routing table.

4
IPv4 prefixes
1
IPv6 prefixes
5,632
IPv4 addresses
100%
RPKI valid

Who holds AS31493

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

AS number
AS31493
Handle
TWENTYTWENTYMEDIA-AS
Organization
TWENTYTWENTYMEDIA LIMITED
Country
GB
ASPA
None published

What AS31493 announces

Prefixes originated by AS31493 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
1
IPv4 addresses
5,632 (22 /24s)
RPKI valid
5 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS31493
7
With an IRR route object
5 100%

Announced prefixes

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

IPv4 (4)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS31493 is reached through

The AS just before AS31493 in the paths our looking glass collectors hold, for 5 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
RIPETWENTYTWENTYMEDIA-ASRIPE-NCC-END-MNT, TTM-MNT, TTM2-MNT

Route objects with origin AS31493: RIPE 8

as-sets that list AS31493 (10)