CNA HOLDINGS LLC
CNA NET
Data as of 2026-09-13
GLEIF verified
Complete entity footprint
3 linked clusters ·
29 netblocks ·
110,936 IPv4 addresses ·
3 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
549300GJ2KZV23KXMB98
Registered name
CNA HOLDINGS LLC
Jurisdiction
Ultimate parent
CELANESE CORPORATION
549300FHJQTDPPN41627
This organisation
| Netblocks | 20 · 110,108 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2804:3748::/32) |
| Registered in | Brazil (6) · Japan (6) · Netherlands (2) · United States (2) · Italy (1) · Romania (1) |
| Also registered under this name | 50 netblocks across 19 separate records |
| Record ID | 241485107 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300GJ2KZV23KXMB98 |
| Shared handles | clustered on 21 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (20)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 159.10.0.0/16 | CNA | ARIN | DIRECT ALLOCATION | ● high |
| 170.81.60.0/22 | CNA NET | BGP | ANNOUNCED | ● high |
| 170.81.60.0/24 | CNA NET | BGP | ANNOUNCED | ● high |
| 170.81.61.0/24 | CNA NET | BGP | ANNOUNCED | ● high |
| 170.81.62.0/24 | CNA NET | BGP | ANNOUNCED | ● high |
| 170.81.63.0/24 | CNA NET | BGP | ANNOUNCED | ● high |
| 199.201.176.0/23 | CNA Corp. | ARIN | DIRECT ALLOCATION | ● high |
| 2804:3748::/32 | CNA NET | BGP | ANNOUNCED | ● high |
| 2804:3748::/33 | CNA NET | BGP | ANNOUNCED | ● high |
| 2804:3748:8000::/33 | CNA NET | BGP | ANNOUNCED | ● high |
| 27.110.96.0/20 | CNA | APNIC | ALLOCATED PORTABLE | ● low |
| 27.110.112.0/21 | CNA | APNIC | ALLOCATED PORTABLE | ● low |
| 61.11.128.0/18 | CNA | APNIC | ALLOCATED PORTABLE | ● low |
| 61.11.192.0/20 | CNA | APNIC | ALLOCATED PORTABLE | ● low |
| 85.37.157.0/29 | CNA | RIPE | ASSIGNED PA | ● low |
| 85.146.231.48/29 | CNA | RIPE | ASSIGNED PA | ● low |
| 159.100.64.176/30 | CNA | RIPE | LEGACY | ● low |
| 193.116.32.0/19 | CNA | APNIC | ALLOCATED PORTABLE | ● low |
| 213.177.18.48/29 | CNA-net | RIPE | ASSIGNED PA | ● low |
| 218.185.128.0/19 | CNA | APNIC | ALLOCATED PORTABLE | ● low |
IPv6 ranges (3)
Footprint over time
9 weekly snapshots · JSON
21
+2 netblocks since 2026-07-05
2026-07-05
peak 21
2026-09-13
Other domains hosted in this network
what's this?Corporate group (3 confirmed entities)
- Celanese International Corporation 8 blocks
- TICONA-UK-LTD 2 blocks
Network trust
what's this?
RPKI hygiene: D
how networks compare →
38.1%
of checked blocks have valid RPKI ROA coverage
(8 of 21)
Possible discrepancies (5)
These blocks are registered to CNA NET 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.
| 193.116.32.0/19 /19 | authorized for AS23783 — Cable Networks Akita Co.,Ltd. |
| 218.185.128.0/19 /19 | authorized for AS23783 — Cable Networks Akita Co.,Ltd. |
| 61.11.192.0/20 /20 | authorized for AS23783 — Cable Networks Akita Co.,Ltd. |
| 27.110.96.0/20 /20 | authorized for AS23783 — Cable Networks Akita Co.,Ltd. |
| 27.110.112.0/21 /21 | authorized for AS23783 — Cable Networks Akita Co.,Ltd. |
NIC Handles
04675000000142
AS266401
CNACOR
CNAINS
DH232-ARIN
DUMY-RIPE
DUMY-RIPE
FECFE92
FECFE92
INTERB-MNT
JNIC1-AP
JNIC1-AP
+9 more