ResearchRouting table, RPKI, IRR & looking glass

AS40923 FMR LLC

AS40923 (FID-SYS-RTP) is registered to FMR LLC in US. It originates 44 prefixes in the global routing table.

44
IPv4 prefixes
0
IPv6 prefixes
11,264
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS40923

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

AS number
AS40923
Handle
FID-SYS-RTP
Organization
FMR LLC
Country
US
ASPA
None published
Routing

What AS40923 announces

Prefixes originated by AS40923 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
44
IPv6 prefixes
0
IPv4 addresses
11,264 (44 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
44
ROAs naming AS40923
0
With an IRR route object
44 100%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (44)
155.199.32.0/24155.199.33.0/24155.199.34.0/24155.199.35.0/24155.199.36.0/24155.199.37.0/24155.199.38.0/24155.199.39.0/24155.199.40.0/24155.199.41.0/24155.199.42.0/24155.199.43.0/24155.199.51.0/24155.199.192.0/24155.199.193.0/24155.199.194.0/24155.199.195.0/24155.199.196.0/24155.199.197.0/24155.199.199.0/24155.199.200.0/24155.199.201.0/24155.199.202.0/24155.199.203.0/24155.199.204.0/24155.199.205.0/24155.199.206.0/24155.199.207.0/24155.199.208.0/24155.199.209.0/24155.199.210.0/24155.199.211.0/24155.199.216.0/24155.199.217.0/24155.199.218.0/24155.199.223.0/24192.223.136.0/24192.223.137.0/24192.223.138.0/24192.223.160.0/24192.223.161.0/24192.223.198.0/24192.223.236.0/24192.223.249.0/24

RPKI valid   RPKI invalid   no ROA covers it

Upstreams

Who AS40923 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 1 upstream.

AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK
Downstreams

Who buys transit from AS40923

None seen: AS40923 does not appear to provide transit to anyone.

IRR

Routing registry objects

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

Route objects with origin AS40923: ARIN 63 · RADB 51

as-sets that list AS40923 (5)
AS-KDDCUSTOMER2AS-LUMEN-CUSTOMERS-ASNSAS-PROLEAS-REACH-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERS
Tools

Check AS40923 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup