ResearchRouting table, RPKI, IRR & looking glass

AS198863 Cambridge University Press (Holdings) Limited

AS198863 (CUP-AS) is registered to Cambridge University Press (Holdings) Limited in GB. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
512
IPv4 addresses
100%
RPKI valid

Who holds AS198863

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

AS number
AS198863
Handle
CUP-AS
Organization
Cambridge University Press (Holdings) Limited
Country
GB
ASPA
None published

What AS198863 announces

Prefixes originated by AS198863 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
512 (2 /24s)
RPKI valid
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS198863
3
With an IRR route object
1 100%

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 AS198863 is reached through

The AS just before AS198863 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
RIPECUP-ASRIPE-NCC-END-MNT, CUPRESS-MNT

Route objects with origin AS198863: RIPE 1

as-sets that list AS198863 (4)