STACKS S.R.L.
STACKS INC
Data as of 2026-07-26
GLEIF verified
LEI
984500C58BE53768K559
Registered name
STACKS S.R.L.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 143 · 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 ID | 213923531 |
| Registry | AFRINIC |
| Owner jurisdiction | IT |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 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 allocationsCustomer-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