ResearchRouting table, RPKI, IRR & looking glass

AS204997 FIRST SERVER LIMITED

AS204997 (FIRSTBYTE-AS) is registered to FIRST SERVER LIMITED in GB. It originates 79 prefixes in the global routing table.

63
IPv4 prefixes
16
IPv6 prefixes
16,128
IPv4 addresses
98%
RPKI valid

Who holds AS204997

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

AS number
AS204997
Handle
FIRSTBYTE-AS
Organization
FIRST SERVER LIMITED
Country
GB
ASPA
None published

What AS204997 announces

Prefixes originated by AS204997 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
63
IPv6 prefixes
16
IPv4 addresses
16,128 (63 /24s)
RPKI valid
78 98%
RPKI invalid
1
RPKI not found
0
ROAs naming AS204997
82
With an IRR route object
79 100%

Who AS204997 is reached through

The AS just before AS204997 in the paths our looking glass collectors hold, for 60 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
RIPEFIRSTBYTE-ASRIPE-NCC-END-MNT, FIRSTBYTE-MNT

Route objects with origin AS204997: RIPE 96

as-sets that list AS204997 (13)