ISI
ISI Communications
LEI
969500C7ZJ9IIVCWM794
Registered name
ISI
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks28
All fragments 82 blocks across 22 clusters
Cluster ID191609040
RegistryAFRINIC
Owner jurisdictionFR
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
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

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
193.38.178.0/23 ISI BGP ANNOUNCED ● high
193.38.178.0/24 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
193.38.190.0/23 ISI BGP ANNOUNCED ● high
193.38.190.0/24 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

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