ResearchRouting table, RPKI, IRR & looking glass

AS29197 Nomura International Plc

AS29197 (LEHMAN-AS3) is registered to Nomura International Plc in GB. It originates 23 prefixes in the global routing table.

23
IPv4 prefixes
0
IPv6 prefixes
4,864
IPv4 addresses
0%
RPKI valid

Who holds AS29197

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

AS number
AS29197
Handle
LEHMAN-AS3
Organization
Nomura International Plc
Country
GB
ASPA
None published

What AS29197 announces

Prefixes originated by AS29197 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
23
IPv6 prefixes
0
IPv4 addresses
4,864 (19 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
23
ROAs naming AS29197
0
With an IRR route object
3 13%

Who AS29197 is reached through

The AS just before AS29197 in the paths our looking glass collectors hold, for 23 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
RIPELEHMAN-AS3RIPE-NCC-END-MNT, LEHMAN-MNT, MNT-NOMURA

Route objects with origin AS29197: RADB 5 · RIPE 1

as-sets that list AS29197 (7)