ZSTTK-NET
Cluster stats
Netblocks129
All fragments 133 blocks across 5 clusters
Cluster ID191934387
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
129 0 netblocks since 2026-07-05
2026-07-05 peak 129 2026-07-06

IP Ranges (129)

showing 50 of 129 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
62.33.164.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
62.33.194.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.128.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.130.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.131.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.132.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.133.200/29 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.133.224/29 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.133.240/28 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.137.0/26 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.137.128/25 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.143.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.144.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.145.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.150.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.151.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.153.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.158.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
80.89.159.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.194.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.196.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.200.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.202.0/27 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.203.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.210.0/26 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.210.128/27 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.210.224/27 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.215.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.217.0/28 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.217.120/29 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.218.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.219.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.221.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.224.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.226.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.227.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.230.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.237.0/27 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.244.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.245.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.246.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.247.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.249.224/27 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.252.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.253.32/29 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.254.192/28 ZSTTK-NET RIPE ASSIGNED PA ● low
81.1.255.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
82.200.4.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low
82.200.5.128/25 ZSTTK-NET RIPE ASSIGNED PA ● low
82.200.9.0/24 ZSTTK-NET RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
2.3% of checked blocks have valid RPKI ROA coverage (3 of 129)
Possible discrepancies (3)

These blocks are registered to ZSTTK-NET 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.

188.44.96.0/22 /22 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
62.33.164.0/24 /24 authorized for AS20485 — Joint Stock Company TransTeleCom
62.33.194.0/24 /24 authorized for AS20485 — Joint Stock Company TransTeleCom

NIC Handles

DUMY-RIPE DUMY-RIPE TRANSTELECOM-MNT ZSTTK-MNT