STACKS S.R.L.

STACKS INC
Data as of 2026-10-18
GLEIF verified
LEI
984500C58BE53768K559
Registered name
STACKS S.R.L.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks146 · 23,073 IPv4 addresses
IPv6 30 prefixes (largest 2403:fc0:800::/38)
Registered in United States (60) · SC (43) · Hong Kong (13) · China (6) · PK (5) · Japan (3)
Also registered under this name 169 netblocks across 2 separate records
Record ID250162568
RegistryAFRINIC
Owner jurisdictionIT
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 984500C58BE53768K559
Shared handles clustered on 34 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (146)

⬇ 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
103.172.80.0/24 STACKS INC BGP ANNOUNCED ● high
123.255.91.230/32 Stacks Inc. PEERINGDB ASSIGNED ● high
139.150.100.154/32 Stacks Inc. PEERINGDB ASSIGNED ● high
185.1.102.154/32 Stacks Inc. PEERINGDB ASSIGNED ● high
203.190.231.15/32 Stacks Inc. PEERINGDB ASSIGNED ● high
204.29.228.0/22 STACKS INC ARIN DIRECT ALLOCATION ● high
205.198.113.0/24 STACKS INC BGP ANNOUNCED ● high
205.198.118.0/24 STACKS INC BGP ANNOUNCED ● high
205.198.123.0/24 STACKS INC BGP ANNOUNCED ● high
205.198.124.0/24 STACKS INC BGP ANNOUNCED ● high
206.223.116.145/32 Stacks Inc. PEERINGDB ASSIGNED ● high
210.171.225.143/32 Stacks Inc. PEERINGDB ASSIGNED ● high
210.173.177.137/32 Stacks Inc. PEERINGDB ASSIGNED ● high
213.155.151.248/29 Stacks Inc RIPE ASSIGNED PA ● high
2001:504:0:1:0:39:8704:1/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:7f8:bd::39:8704:2/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:7fa:0:1::ca28:a1e6/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:7fa:7:1:0:39:8704:1/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:7fa:8::154/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:de8:4::39:8704:1/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:de8:5::39:8704:1/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:de8:7::39:8704:1/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2001:de8:8::39:8704:1/128 Stacks Inc. PEERINGDB ASSIGNED ● high
2a13:ce40:6660::/48 STACKS INC BGP ANNOUNCED ● high
38.46.72.0/21 STACKS INC BGP ANNOUNCED ● low
38.46.72.0/24 STACKS INC BGP ANNOUNCED ● low
38.46.73.0/24 STACKS INC BGP ANNOUNCED ● low
38.46.74.0/24 STACKS INC BGP ANNOUNCED ● low
38.46.75.0/24 STACKS INC BGP ANNOUNCED ● low
38.46.76.0/24 STACKS INC BGP ANNOUNCED ● low
38.46.77.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.16.0/21 STACKS INC BGP ANNOUNCED ● low
38.79.16.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.17.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.18.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.19.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.20.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.21.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.22.0/24 STACKS INC BGP ANNOUNCED ● low
38.79.23.0/24 STACKS INC BGP ANNOUNCED ● low
38.92.68.0/22 STACKS INC BGP ANNOUNCED ● low
38.92.68.0/24 STACKS INC BGP ANNOUNCED ● low
38.92.69.0/24 STACKS INC BGP ANNOUNCED ● low
38.92.70.0/24 STACKS INC BGP ANNOUNCED ● low
38.92.71.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.80.0/22 STACKS INC BGP ANNOUNCED ● low
38.181.80.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.81.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.82.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.83.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.84.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.85.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.86.0/24 STACKS INC BGP ANNOUNCED ● low
38.181.86.0/23 STACKS INC BGP ANNOUNCED ● low
38.181.87.0/24 STACKS INC BGP ANNOUNCED ● low
45.123.192.0/24 STACKS INC BGP ANNOUNCED ● low
45.202.216.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
45.202.216.0/21 STACKS INC BGP ANNOUNCED ● low
45.202.217.0/24 STACKS INC BGP ANNOUNCED ● low
45.202.218.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
45.202.219.0/24 STACKS INC BGP ANNOUNCED ● low
45.202.220.0/24 STACKS INC BGP ANNOUNCED ● low
45.202.221.0/24 STACKS INC BGP ANNOUNCED ● low
45.202.222.0/24 STACKS INC BGP ANNOUNCED ● low
45.202.223.0/24 STACKS INC BGP ANNOUNCED ● low
66.235.97.0/24 STACKS INC BGP ANNOUNCED ● low
66.235.98.0/24 STACKS INC BGP ANNOUNCED ● low
66.235.99.0/24 STACKS INC BGP ANNOUNCED ● low
103.72.120.0/24 STACKS INC BGP ANNOUNCED ● low
103.72.122.0/24 STACKS INC BGP ANNOUNCED ● low
103.167.60.0/23 STACKS INC BGP ANNOUNCED ● low
103.167.60.0/24 STACKS INC BGP ANNOUNCED ● low
103.167.61.0/24 STACKS INC BGP ANNOUNCED ● low
103.167.64.0/23 STACKS INC BGP ANNOUNCED ● low
103.167.64.0/24 STACKS INC BGP ANNOUNCED ● low
103.167.65.0/24 STACKS INC BGP ANNOUNCED ● low
103.173.224.0/24 STACKS INC BGP ANNOUNCED ● low
103.192.36.0/23 STACKS INC BGP ANNOUNCED ● low
103.232.214.0/23 STACKS INC BGP ANNOUNCED ● low
103.232.214.0/24 STACKS INC BGP ANNOUNCED ● low
103.232.215.0/24 STACKS INC BGP ANNOUNCED ● low
103.233.179.0/24 STACKS INC BGP ANNOUNCED ● low
103.251.239.0/24 STACKS INC BGP ANNOUNCED ● low
113.203.210.0/24 STACKS INC BGP ANNOUNCED ● low
113.203.217.0/24 STACKS INC BGP ANNOUNCED ● low
113.203.220.0/24 STACKS INC BGP ANNOUNCED ● low
113.203.255.0/24 STACKS INC BGP ANNOUNCED ● low
115.167.31.0/24 STACKS INC BGP ANNOUNCED ● low
154.92.128.0/22 STACKS INC BGP ANNOUNCED ● low
154.92.128.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
154.92.129.0/24 STACKS INC BGP ANNOUNCED ● low
154.92.130.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
154.92.131.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
154.92.132.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
154.92.132.0/22 STACKS INC BGP ANNOUNCED ● low
154.92.132.0/23 STACKS INC BGP ANNOUNCED ● low
154.92.133.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
154.92.134.0/23 STACKS INC BGP ANNOUNCED ● low
154.92.134.0/24 STACKS INC BGP ANNOUNCED ● low
154.92.135.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
156.227.13.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
156.245.192.0/23 STACKS INC BGP ANNOUNCED ● low
156.245.192.0/24 STACKS INC BGP ANNOUNCED ● low
156.245.193.0/24 STACKS_INC AFRINIC ASSIGNED PA ● low
176.28.108.96/28 STACKS RIPE ASSIGNED PA ● low
204.29.228.0/24 STACKS INC BGP ANNOUNCED ● low
204.29.229.0/24 STACKS INC BGP ANNOUNCED ● low
204.29.230.0/24 STACKS INC BGP ANNOUNCED ● low
204.29.231.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.112.0/21 STACKS INC BGP ANNOUNCED ● low
205.198.112.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.114.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.116.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.117.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.119.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.120.0/22 STACKS INC BGP ANNOUNCED ● low
205.198.120.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.121.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.122.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.124.0/23 STACKS INC BGP ANNOUNCED ● low
205.198.125.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.126.0/23 STACKS INC BGP ANNOUNCED ● low
205.198.126.0/24 STACKS INC BGP ANNOUNCED ● low
205.198.127.0/24 STACKS INC BGP ANNOUNCED ● low
2001:df3:9a40::/48 STACKS INC BGP ANNOUNCED ● low
2403:fc0::/38 STACKS INC BGP ANNOUNCED ● low
2403:fc0:800::/38 STACKS INC BGP ANNOUNCED ● low
2405:5240::/38 STACKS INC BGP ANNOUNCED ● low
2405:5240:800::/38 STACKS INC BGP ANNOUNCED ● low
2406:140::/38 STACKS INC BGP ANNOUNCED ● low
2406:140:800::/38 STACKS INC BGP ANNOUNCED ● low
2406:dd80::/38 STACKS INC BGP ANNOUNCED ● low
2406:dd80:800::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:800::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:1000::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:1400::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:1800::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:2000::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:2800::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:3000::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:3c00::/38 STACKS INC BGP ANNOUNCED ● low
2606:1540:4000::/38 STACKS INC BGP ANNOUNCED ● low
2a00:2381:f5a3::/48 STACKS RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (30)

Footprint over time

17 weekly snapshots · JSON
165 +5 netblocks since 2026-07-05
2026-07-05 peak 249 2026-10-18

Customer-delegated space

how is this classified?
Unclassified 147 (100.7%)
Operator infrastructure (named) 18 (12.3%)

Network trust

what's this?
RPKI hygiene: C how networks compare →
62.4% of checked blocks have valid RPKI ROA coverage (103 of 165)
Wholesale/transit re-announcements (26)

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
+11 more — see the REST API

NIC Handles

ACENS-MNT AS197328 AS199899 AS398704 AS398704 AS5068 BTNET-MNT CHONG52-ARIN CHONG52-ARIN CHONG52-ARIN CHONG52-ARIN CHONG52-ARIN +22 more