Catalyst Host LLC
BGP inherited
Cluster stats
| Netblocks | 50 · 17,620 IPv4 addresses |
| Registered in | United States (33) · IR (11) |
| Cluster ID | 214436543 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
6 weekly snapshots · JSON
50
-2 netblocks since 2026-07-05
2026-07-05
peak 54
2026-07-26
IP Ranges (50)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.163.209.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.210.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.211.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.212.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.213.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.216.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.217.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.218.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.219.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.220.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.221.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.222.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.223.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 37.49.144.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 37.49.147.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 64.40.24.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 64.40.25.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 64.40.26.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 64.40.27.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 94.74.171.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 104.193.224.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 104.193.225.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 104.193.226.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 104.193.227.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 109.203.161.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 109.203.163.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 109.203.166.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 162.250.232.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 162.250.233.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 162.250.234.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 162.250.235.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 173.0.4.0/22 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 176.46.129.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 176.46.130.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 176.46.133.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 176.46.135.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 176.46.137.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 199.181.238.0/24 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 2602:ffd1:1::/48 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 2602:ffd1:2::/48 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 2602:ffd1:3::/48 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 2602:ffd1:6::/48 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 2602:ffd1:7::/48 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 2602:ffd1:8::/48 | Catalyst Host LLC | BGP | ANNOUNCED | ● high |
| 23.163.208.0 – 23.163.213.255 | Catalyst Host LLC | ARIN | DIRECT ALLOCATION | ● low |
| 23.163.216.0/21 | Catalyst Host LLC | ARIN | DIRECT ALLOCATION | ● low |
| 64.40.24.0/22 | Catalyst Host LLC | ARIN | DIRECT ALLOCATION | ● low |
| 104.193.224.0/22 | Catalyst Host LLC | ARIN | DIRECT ALLOCATION | ● low |
| 162.250.232.0/22 | Catalyst Host LLC | ARIN | DIRECT ALLOCATION | ● low |
| 199.181.238.0/23 | Catalyst Host LLC | ARIN | DIRECT ALLOCATION | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.0%
of checked blocks have valid RPKI ROA coverage
(45 of 50)
Possible discrepancies (1)
These blocks are registered to Catalyst Host LLC 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.
| 109.203.163.0/24 /24 | authorized for AS203963 — SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S. |
NIC Handles
AS393336
CATAL7-ARIN
CATAL7-ARIN
CATAL7-ARIN
CATAL7-ARIN
CATAL7-ARIN
CATAL7-ARIN
CHL-340
MNT-1361