ISN company, s.r.o.
ISN Communications
Data as of 2026-08-16
GLEIF verified
LEI
315700BAB6II2GEV3677
Registered name
ISN company, s.r.o.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 30 · 13,974 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a01:4f8:110:3428::/64) |
| Registered in | United States (22) · China (2) · Nigeria (2) · SD (1) |
| All fragments | 88 blocks across 14 clusters |
| Cluster ID | 222415122 |
| Registry | AFRINIC |
| Owner jurisdiction | CZ |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 315700BAB6II2GEV3677 |
| Shared handles | clustered on 33 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
30
-45 netblocks since 2026-07-05
2026-07-05
peak 75
2026-08-16
IP Ranges (30)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 67.63.32.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 67.63.36.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 67.63.40.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 67.63.44.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 68.67.208.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 68.67.212.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 68.67.216.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 68.67.220.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 184.106.56.0/29 | ISN | ARIN | ASSIGNMENT | ● high |
| 198.89.228.0/24 | ISN Communications | BGP | ANNOUNCED | ● high |
| 198.89.229.0/24 | ISN Communications | BGP | ANNOUNCED | ● high |
| 198.89.230.0/24 | ISN Communications | BGP | ANNOUNCED | ● high |
| 198.89.231.0/24 | ISN Communications | BGP | ANNOUNCED | ● high |
| 198.136.153.0/24 | ISN Communications | BGP | ANNOUNCED | ● high |
| 202.97.230.0/24 | ISN | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 202.97.232.0/25 | ISN | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 207.231.208.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 207.231.212.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 207.231.216.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 207.231.220.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 41.75.88.24/30 | ISN | AFRINIC | ASSIGNED PA | ● low |
| 67.63.32.0/20 | ISN Communications | ARIN | DIRECT ALLOCATION | ● low |
| 68.67.208.0/20 | ISN Communications | ARIN | DIRECT ALLOCATION | ● low |
| 196.1.204.154/31 | ISN_COMPANY | AFRINIC | ASSIGNED PA | ● low |
| 197.253.16.16/29 | ISN | AFRINIC | ASSIGNED PA | ● low |
| 198.89.228.0/22 | ISN Communications | ARIN | DIRECT ALLOCATION | ● low |
| 207.231.208.0/20 | ISN Communications | ARIN | DIRECT ALLOCATION | ● low |
| 2a01:4f8:110:3428::/64 | ISN-GMBH | RIPE | ASSIGNED | ● low |
| 2a01:4f8:140:829d::/64 | ISN-GMBH | RIPE | ASSIGNED | ● low |
| 2a01:4f8:191:20ce::/64 | ISN-GMBH | RIPE | ASSIGNED | ● low |
IPv6 ranges (3)
Network trust
what's this?
RPKI hygiene: D
how networks compare →
26.7%
of checked blocks have valid RPKI ROA coverage
(8 of 30)
Possible discrepancies (1)
These blocks are registered to ISN 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.
| 202.97.230.0/24 /24 | authorized for AS4837 — CNCGROUP IP network of ShangHai IDC |
NIC Handles
AAIA1-AFRINIC
AAIA1-AFRINIC
ABUSE45-ARIN
AS32228
C04982693
DEVIS12-ARIN
DUMY-RIPE
DUMY-RIPE
HANSE157-ARIN
HANSE157-ARIN
HOS-GUN
IO5-AFRINIC
+21 more