AS40016 MESIROW FINANCIAL HOLDINGS, INC. 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS40016
Name
MESIROW FINANCIAL HOLDINGS, INC.
Organisation
MESIROW FINANCIAL HOLDINGS, INC.
Country
🇺🇸 US
RIR
ARIN
Allocated
2006-06-07

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Announced prefixes

2 in total

Prefix RPKI Peers Sample path First seen
204.153.74.0/24 v4 no ROA 42 3454932572335240016 2026-09-18
207.252.173.0/24 v4 no ROA 40 3454917440016 2026-09-18