ISI

ISI Communications
GLEIF verified
LEI
969500C7ZJ9IIVCWM794
Registered name
ISI
Jurisdiction
FR
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks28 · 5,925 IPv4 addresses
Registered in United Kingdom (14) · Germany (3) · United States (3) · Greece (1) · Italy (1) · SN (1)
All fragments 82 blocks across 22 clusters
Cluster ID208817431
RegistryAFRINIC
Owner jurisdictionFR
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 969500C7ZJ9IIVCWM794
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
28 0 netblocks since 2026-07-05
2026-07-05 peak 28 2026-07-19

IP Ranges (28)

⬇ export CSV
CIDR Org name Registry Status Confidence
74.116.26.0/23 ISI Communications BGP ANNOUNCED ● high
74.116.28.0/22 ISI Communications BGP ANNOUNCED ● high
193.38.176.0/24 ISI BGP ANNOUNCED ● high
193.38.176.0/23 ISI BGP ANNOUNCED ● high
193.38.177.0/24 ISI BGP ANNOUNCED ● high
193.38.178.0/24 ISI BGP ANNOUNCED ● high
193.38.178.0/23 ISI BGP ANNOUNCED ● high
193.38.179.0/24 ISI BGP ANNOUNCED ● high
193.38.180.0/23 ISI BGP ANNOUNCED ● high
193.38.180.0/24 ISI BGP ANNOUNCED ● high
193.38.181.0/24 ISI BGP ANNOUNCED ● high
193.38.190.0/24 ISI BGP ANNOUNCED ● high
193.38.190.0/23 ISI BGP ANNOUNCED ● high
193.38.191.0/24 ISI BGP ANNOUNCED ● high
195.251.58.0/24 ISI-NET RIPE ASSIGNED PA ● high
206.41.110.40/32 ISI Communications PEERINGDB ASSIGNED ● high
2001:504:41:110::40/128 ISI Communications PEERINGDB ASSIGNED ● high
2001:648:23b0::/48 ISI-NET RIPE ASSIGNED ● high
2606:9a00::/32 ISI Communications BGP ANNOUNCED ● high
5.7.232.160/29 ISI-GMBH-NET RIPE ASSIGNED PA ● low
62.134.191.212/30 ISI RIPE ASSIGNED PA ● low
89.15.247.56/29 ISI-NET RIPE ASSIGNED PA ● low
178.63.163.24/29 ISI-AG RIPE ASSIGNED PA ● low
194.130.42.208/28 ISI RIPE ASSIGNED PA ● low
213.154.77.145 – 213.154.77.151 ISI AFRINIC ASSIGNED PA ● low
217.223.219.8/29 isi-srl RIPE ASSIGNED PA ● low
2a01:4f8:140:94ac::/64 ISI-AG RIPE ASSIGNED ● low
2a01:4f8:141:22ed::/64 ISI-AG RIPE ASSIGNED ● low

Possibly related to this organisation

what's this?
Same name family
Separately-registered clusters whose names share “ISI” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.
Combined view of all 22 name-family clusters →

Network trust

what's this?
RPKI hygiene: C how networks compare →
75.0% of checked blocks have valid RPKI ROA coverage (21 of 28)
Possible discrepancies (4)

These blocks are registered to ISI 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.

2001:648:23b0::/48 /48 authorized for AS5408 — National Infrastructures for Research and Technology S.A.
195.251.58.0/24 /24 authorized for AS5408 — National Infrastructures for Research and Technology S.A.
193.38.178.0/24 /24 authorized for AS7018 — AT&T Enterprises, LLC
193.38.179.0/24 /24 authorized for AS7018 — AT&T Enterprises, LLC

NIC Handles

AS1849-MNT AS1961 AS31845 AS31845 CIP-MNT DUMY-RIPE DUMY-RIPE GRNET-NOC HOS-GUN IN612-RIPE MDA-Z MN1281-AFRINIC +3 more