ISN company, s.r.o.
ISN Communications
LEI
315700BAB6II2GEV3677
Registered name
ISN company, s.r.o.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 75 |
| All fragments | 84 blocks across 8 clusters |
| Cluster ID | 191307866 |
| Registry | AFRINIC |
| Owner jurisdiction | CZ |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 315700BAB6II2GEV3677 |
| Shared handles | clustered on 39 shared RIR contact/maintainer handles |
| Registry names | 12 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (75)
showing 50 of 75 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 67.63.32.0/22 | ISN Communications | BGP | ANNOUNCED | ● high |
| 67.63.32.0/25 | ISN TELCOM | ARIN | ● 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 |
| 68.67.208.0/30 | PUBLIC TRANSPORTATION SPECIALI | ARIN | ● 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 |
| 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 |
| 207.231.208.0/26 | ISN TELCOM | ARIN | ● 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 |
| 41.207.255.84/30 | ISN_GH_P2P | AFRINIC | ASSIGNED PA | ● low |
| 41.207.255.200/29 | ISN_GH | AFRINIC | ASSIGNED PA | ● low |
| 102.202.184.0/24 | ISN-LAG-NG | AFRINIC | ASSIGNED PA | ● low |
| 102.202.185.0/24 | ISN-LAG-NG | AFRINIC | ASSIGNED PA | ● low |
| 102.202.186.0/24 | ISN-LAG-NG | AFRINIC | ASSIGNED PA | ● low |
| 102.202.187.0/24 | ISN-LAG-NG | AFRINIC | ASSIGNED PA | ● low |
| 103.9.132.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 103.9.133.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 103.9.134.0/24 | ISN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.9.135.0/24 | ISN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 180.92.224.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.225.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.226.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.227.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.228.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.229.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.230.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.231.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.232.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.233.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.234.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.235.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.236.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.237.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.238.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 180.92.239.0/24 | ISN-BD | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 196.1.204.154/31 | ISN_COMPANY | AFRINIC | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
68.0%
of checked blocks have valid RPKI ROA coverage
(51 of 75)
Possible discrepancies (41)
These blocks are registered to ISN Communications 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.
| 202.97.230.0/24 /24 | authorized for AS4837 — CNCGROUP IP network of ShangHai IDC |
| 203.188.240.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.241.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.242.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.243.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.244.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.245.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.246.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.247.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.248.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.249.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.250.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.251.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.252.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
| 203.188.253.0/24 /24 | authorized for AS9832 — Information Services Network Limited |
+26 more — see the REST API
NIC Handles
AAIA1-AFRINIC
AAIA1-AFRINIC
AI480-AP
AS32228
C03154874
C03200753
C03201879
DEVIS12-ARIN
DUMY-RIPE
DUMY-RIPE
HA169-AP
HA169-AP
+27 more