CSS, LLC
CSS Communications
LEI
549300N7EJ80W4M4I284
Registered name
CSS, LLC
Jurisdiction
US-IL
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks14
All fragments 52 blocks across 24 clusters
Cluster ID191876625
RegistryAFRINIC
Owner jurisdictionUS-IL
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 549300N7EJ80W4M4I284
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
206.81.80.95/32 CSS Communications PEERINGDB ASSIGNED ● high
2001:504:16::68a8/128 CSS Communications PEERINGDB ASSIGNED ● high
61.19.196.84/30 CSS-NET APNIC ALLOCATED NON-PORTABLE ● low
62.33.33.0/28 CSS-NET RIPE ASSIGNED PA ● low
85.126.88.0/29 CSS RIPE ASSIGNED PA ● low
88.84.138.64/29 CSS_AG RIPE ASSIGNED PA ● low
88.84.141.152/29 CSS_AG RIPE ASSIGNED PA ● low
95.143.243.128/27 CSS-NET RIPE ASSIGNED PA ● low
193.146.150.240/28 CSS RIPE ASSIGNED PA ● low
194.8.164.192/26 CSS-NET RIPE ASSIGNED PA ● low
194.209.96.0/24 CSS-NET RIPE ASSIGNED PA ● low
195.65.140.0/24 CSS-NET RIPE ASSIGNED PA ● low
196.192.5.72/29 CSS_CORP AFRINIC ASSIGNED PA ● low
212.243.2.104/29 CSS-NET RIPE ASSIGNED PA ● low

Corporate group (3 entities) ~

top 1 shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.9% of checked blocks have valid RPKI ROA coverage (13 of 14)
Possible discrepancies (2)

These blocks are registered to CSS Communications but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

194.209.96.0/24 /24 authorized for AS3303 — Swisscom (Schweiz) AG
195.65.140.0/24 /24 authorized for AS3303 — Swisscom (Schweiz) AG

NIC Handles

AN3307-AP AS26792 CH-UNISOURCE-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT IC174-AP JL279-AFRINIC MAINT-NTPCL-TH MARP1-AFRINIC MU-MT-WIS-MNT +7 more