STACKS S.R.L.

STACKS INC
Data as of 2026-07-26
GLEIF verified
LEI
984500C58BE53768K559
Registered name
STACKS S.R.L.
Jurisdiction
IT
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks143 · 22,561 IPv4 addresses
IPv6 30 prefixes (largest 2403:fc0:800::/38)
Registered in United States (51) · SC (43) · Hong Kong (14) · China (10) · PK (5) · Japan (3)
All fragments 165 blocks across 2 clusters
Cluster ID213923531
RegistryAFRINIC
Owner jurisdictionIT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 984500C58BE53768K559
Shared handles clustered on 20 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
161 +1 netblocks since 2026-07-05
2026-07-05 peak 249 2026-07-26

IP Ranges (143)

showing 50 of 143 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
27.111.231.3/32 Stacks Inc. PEERINGDB ASSIGNED ● high
36.255.57.71/32 Stacks Inc. PEERINGDB ASSIGNED ● high
38.46.72.0/24 STACKS INC BGP ANNOUNCED ● high
38.46.72.0/21 STACKS INC BGP ANNOUNCED ● high
38.46.73.0/24 STACKS INC BGP ANNOUNCED ● high
38.46.74.0/24 STACKS INC BGP ANNOUNCED ● high
38.46.75.0/24 STACKS INC BGP ANNOUNCED ● high
38.46.76.0/24 STACKS INC BGP ANNOUNCED ● high
38.46.77.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.16.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.16.0/21 STACKS INC BGP ANNOUNCED ● high
38.79.17.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.18.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.19.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.20.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.21.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.22.0/24 STACKS INC BGP ANNOUNCED ● high
38.79.23.0/24 STACKS INC BGP ANNOUNCED ● high
38.92.68.0/22 STACKS INC BGP ANNOUNCED ● high
38.92.68.0/24 STACKS INC BGP ANNOUNCED ● high
38.92.69.0/24 STACKS INC BGP ANNOUNCED ● high
38.92.70.0/24 STACKS INC BGP ANNOUNCED ● high
38.92.71.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.80.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.80.0/22 STACKS INC BGP ANNOUNCED ● high
38.181.81.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.82.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.83.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.84.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.85.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.86.0/23 STACKS INC BGP ANNOUNCED ● high
38.181.86.0/24 STACKS INC BGP ANNOUNCED ● high
38.181.87.0/24 STACKS INC BGP ANNOUNCED ● high
45.123.192.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.216.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.216.0/21 STACKS INC BGP ANNOUNCED ● high
45.202.217.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.218.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.219.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.220.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.221.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.222.0/24 STACKS INC BGP ANNOUNCED ● high
45.202.223.0/24 STACKS INC BGP ANNOUNCED ● high
103.72.120.0/24 STACKS INC BGP ANNOUNCED ● high
103.72.122.0/24 STACKS INC BGP ANNOUNCED ● high
103.158.82.0/24 STACKS INC BGP ANNOUNCED ● high
103.167.60.0/24 STACKS INC BGP ANNOUNCED ● high
103.167.60.0/23 STACKS INC BGP ANNOUNCED ● high
103.167.61.0/24 STACKS INC BGP ANNOUNCED ● high
103.167.64.0/24 STACKS INC BGP ANNOUNCED ● high

IPv6 ranges (30)

showing the 15 largest allocations
CIDR
2403:fc0:800::/38
2403:fc0::/38
2405:5240:800::/38
2405:5240::/38
2406:140:800::/38
2406:140::/38
2406:dd80:800::/38
2406:dd80::/38
2606:1540:1000::/38
2606:1540:1400::/38
2606:1540:1800::/38
2606:1540:2000::/38
2606:1540:2800::/38
2606:1540:3000::/38
2606:1540:3c00::/38

Customer-delegated space

how is this classified?
Unclassified 143 (100.0%)
Operator infrastructure (named) 18 (12.6%)

Network trust

what's this?
RPKI hygiene: C how networks compare →
59.6% of checked blocks have valid RPKI ROA coverage (96 of 161)
Wholesale/transit re-announcements (25)

These blocks are registered to STACKS INC but cryptographically authorized across 6 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

2a00:2381:f5a3::/48 /48 authorized for AS2856 — British Telecommunications Limited
156.227.13.0/24 /24 authorized for AS4766 — Korea Telecom
45.202.216.0/24 /24 authorized for AS17561 — Larus Limited
45.202.217.0/24 /24 authorized for AS17561 — Larus Limited
45.202.218.0/24 /24 authorized for AS17561 — Larus Limited
45.202.219.0/24 /24 authorized for AS17561 — Larus Limited
45.202.220.0/24 /24 authorized for AS17561 — Larus Limited
45.202.221.0/24 /24 authorized for AS17561 — Larus Limited
45.202.222.0/24 /24 authorized for AS17561 — Larus Limited
45.202.223.0/24 /24 authorized for AS17561 — Larus Limited
45.202.216.0/24 /24 authorized for AS17561 — Larus Limited
45.202.217.0/24 /24 authorized for AS17561 — Larus Limited
45.202.218.0/24 /24 authorized for AS17561 — Larus Limited
45.202.219.0/24 /24 authorized for AS17561 — Larus Limited
45.202.220.0/24 /24 authorized for AS17561 — Larus Limited
+10 more — see the REST API

NIC Handles

ACENS-MNT AS135391 AS398704 AS398704 AS5068 BTNET-MNT CIL1-MNT CIS1-AFRINIC CIS1-AFRINIC DUMY-RIPE DUMY-RIPE LARUS-SERVICE-MNT +8 more