CSN Support Services
Cluster stats
| Netblocks | 26 |
| All fragments | 62 blocks across 12 clusters |
| Cluster ID | 191602104 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 18 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
26
0 netblocks since 2026-07-05
2026-07-05
peak 26
2026-07-06
IP Ranges (26)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 192.133.144.0/20 | CSN Support Services | ARIN | ● high | |
| 192.133.160.0/19 | CSN Support Services | ARIN | ● high | |
| 192.133.160.0/20 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 192.133.176.0/21 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 192.133.178.0/23 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 192.133.181.0/24 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 192.133.182.0/24 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 192.133.184.0/22 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 199.66.188.0/24 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 203.63.252.72/29 | CSN-CC-AU | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 2602:f98b:6::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:10::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:20::/44 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:26::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:2e::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:30::/44 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:30::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:33::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:35::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:3e::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2602:f98b:40::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2620:41::/47 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 2620:41::/48 | CSN Support Services | BGP | ANNOUNCED | ● high |
| 85.220.154.160/27 | CSN-NET1 | RIPE | ASSIGNED PA | ● low |
| 212.84.0.0 – 212.84.8.79 | CSN-NL | RIPE | ASSIGNED PA | ● low |
| 212.90.145.64/29 | CSN-NET3 | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
65.4%
of checked blocks have valid RPKI ROA coverage
(17 of 26)
Possible discrepancies (3)
These blocks are registered to CSN Support Services but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2602:f98b:10::/48 /48 | authorized for AS14618 — Amazon.com, Inc. |
| 212.84.0.0 – 212.84.8.79 /21 | authorized for AS1136 — KPN B.V. |
| 199.66.188.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
NIC Handles
AS11017
AS32764
DUMY-RIPE
DUMY-RIPE
HOCKE45-ARIN
KPN-MNT
MAINT-AU-AAPT
MH759-AP
MH759-AP
MK-NETZDIENSTE-MNT
NOC33256-ARIN
SAHL-7
+6 more