ResearchRouting table, RPKI, IRR & looking glass

AS210546 CHSL ONE LTD

AS210546 (CHSL-ONE) is registered to CHSL ONE LTD in GB. It originates 89 prefixes in the global routing table.

88
IPv4 prefixes
1
IPv6 prefixes
22,528
IPv4 addresses
97%
RPKI valid

Who holds AS210546

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

AS number
AS210546
Handle
CHSL-ONE
Organization
CHSL ONE LTD
Country
GB
ASPA
1 provider

What AS210546 announces

Prefixes originated by AS210546 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
88
IPv6 prefixes
1
IPv4 addresses
22,528 (88 /24s)
RPKI valid
87 97%
RPKI invalid
0
RPKI not found
2
ROAs naming AS210546
74
With an IRR route object
89 100%

Who AS210546 is reached through

The AS just before AS210546 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.

Provider authorization

AS210546 publishes an ASPA naming this provider. Check a path.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPECHSL-ONERIPE-NCC-END-MNT, CHSL-MNT

Route objects with origin AS210546: RIPE 91

as-sets that list AS210546 (2)