ISC GROUP
ISC Group
Data as of 2026-08-30
GLEIF verified
LEI
894500VKBCUNBQ5ZT739
Registered name
ISC GROUP
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 19 · 10,294 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:14e8:b::/48) |
| Registered in | United States (10) · Germany (3) · Czechia (1) · Denmark (1) · Greece (1) · IR (1) |
| All fragments | 230 blocks across 99 clusters |
| Cluster ID | 233245802 |
| Registry | BGP |
| Owner jurisdiction | FR |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 894500VKBCUNBQ5ZT739 |
| Shared handles | clustered on 27 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
10 weekly snapshots · JSON
19
-7 netblocks since 2026-07-05
2026-07-05
peak 26
2026-08-30
IP Ranges (19)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 65.168.228.0/23 | ISC Group | BGP | ANNOUNCED | ● high |
| 66.242.32.0/20 | ISC Group | ARIN | DIRECT ALLOCATION | ● high |
| 66.242.32.0/22 | ISC Group | BGP | ANNOUNCED | ● high |
| 66.242.36.0/22 | ISC Group | BGP | ANNOUNCED | ● high |
| 66.242.40.0/22 | ISC Group | BGP | ANNOUNCED | ● high |
| 66.242.44.0/22 | ISC Group | BGP | ANNOUNCED | ● high |
| 69.89.240.0/20 | ISC Group | BGP | ANNOUNCED | ● high |
| 94.184.140.0/22 | ISC | RIPE | ASSIGNED PA | ● high |
| 162.223.125.0/24 | ISC INTERNATIONAL, LTD. | ARIN | DIRECT ALLOCATION | ● high |
| 192.188.146.0/24 | ISC | ARIN | DIRECT ALLOCATION | ● high |
| 198.32.176.3/32 | ISC | PEERINGDB | ASSIGNED | ● high |
| 2001:504:d::1/128 | ISC | PEERINGDB | ASSIGNED | ● high |
| 2001:14e8:b::/48 | ISC | RIPE | ASSIGNED | ● high |
| 81.201.150.60/32 | ISC | RIPE | ASSIGNED PA | ● low |
| 87.203.11.224/28 | ISC | RIPE | ASSIGNED PA | ● low |
| 195.249.172.16/29 | ISC-NET | RIPE | ASSIGNED PA | ● low |
| 212.20.180.224/28 | ISC-NET | RIPE | ASSIGNED PA | ● low |
| 212.20.181.80/30 | ISC-NET | RIPE | ASSIGNED PA | ● low |
| 212.65.218.80/29 | ISC-NET | RIPE | ASSIGNED PA | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: D
how networks compare →
42.1%
of checked blocks have valid RPKI ROA coverage
(8 of 19)
Possible discrepancies (2)
These blocks are registered to ISC Group 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.
| 2001:14e8:b::/48 /48 | authorized for AS6736 — Institute for Research in Fundamental Sciences |
| 94.184.140.0/22 /22 | authorized for AS60638 — Informatics Services PJSC |
NIC Handles
AS1280
AS14861
BH1065-ARIN
BH1065-ARIN
BH1065-ARIN
BH1065-ARIN
DL506-ARIN
DL506-ARIN
DL506-ARIN
DSI-MNT
DUMY-RIPE
DUMY-RIPE
+15 more