ICSTM
BGP inherited
Cluster stats
| Netblocks | 9 · 2,552 IPv4 addresses |
| Cluster ID | 208828011 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.61.68.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 193.63.75.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 193.63.111.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 194.81.211.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 194.81.217.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 194.81.219.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 194.81.220.0/24 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 194.82.152.0 – 194.82.154.255 | ICSTM | RIPE | ASSIGNED PA | ● low |
| 2001:630:12::/48 | ICSTM | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(9 of 9)
RPKI-inferred operator
Jisc Services Limited
Nearly all of this network's RPKI-covered space is cryptographically authorized for this
single operator — the registered netname is likely one of its internal infrastructure labels.
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER