ResearchRouting table, RPKI, IRR & looking glass

AS204222 His Majesty's Revenue and Customs

AS204222 (HMRC-AS) is registered to His Majesty's Revenue and Customs in GB. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
16,384
IPv4 addresses
0%
RPKI valid

Who holds AS204222

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

AS number
AS204222
Handle
HMRC-AS
Organization
His Majesty's Revenue and Customs
Country
GB
ASPA
None published

What AS204222 announces

Prefixes originated by AS204222 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
16,384 (64 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS204222
0
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 AS204222 is reached through

The AS just before AS204222 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
RIPEHMRC-ASRIPE-NCC-END-MNT, UK-HMRC-1-MNT

Route objects with origin AS204222: RIPE 2 · RADB 1

as-sets that list AS204222 (8)