ResearchRouting table, RPKI, IRR & looking glass

AS44548 CMC MARKETS PLC

AS44548 (CMCMarkets-AS) is registered to CMC MARKETS PLC in GB. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS44548

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

AS number
AS44548
Handle
CMCMarkets-AS
Organization
CMC MARKETS PLC
Country
GB
ASPA
None published

What AS44548 announces

Prefixes originated by AS44548 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
0
IPv4 addresses
768 (3 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS44548
4
With an IRR route object
3 100%

Announced prefixes

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

IPv4 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS44548 is reached through

The AS just before AS44548 in the paths our looking glass collectors hold, for 3 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
RIPECMCMarkets-ASCOLT-UK, RIPE-NCC-END-MNT

Route objects with origin AS44548: RIPE 4 · RADB 2

as-sets that list AS44548 (5)