ZSTTK-RTL-NET
Cluster stats
Netblocks110
All fragments 270 blocks across 28 clusters
Cluster ID191624949
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (110)

showing 50 of 110 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
37.49.192.0 – 37.49.211.255 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.49.212.0 – 37.49.223.255 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.48.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.49.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.50.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.52.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.53.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.54.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.55.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.64.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.66.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.68.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.69.128/25 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.70.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.72.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.74.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.76.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.78.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.80.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.82.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.83.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.84.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.85.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.86.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.88.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.90.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.91.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.92.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
37.205.94.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.50.128.0/18 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.50.192.0/19 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.50.224.0/19 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.0.0/18 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.64.0/19 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.96.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.97.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.98.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.100.0/22 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.104.0/22 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.108.0/22 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.112.0/22 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.116.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.118.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.120.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.122.0/23 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.124.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.125.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.126.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
46.241.127.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low
82.200.0.0/24 ZSTTK-RTL-NET RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
86.4% of checked blocks have valid RPKI ROA coverage (95 of 110)
Possible discrepancies (79)

These blocks are registered to ZSTTK-RTL-NET but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

109.171.0.0/18 /18 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
109.171.64.0/18 /18 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.50.128.0/18 /18 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.241.0.0/18 /18 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.50.192.0/19 /19 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.50.224.0/19 /19 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.241.64.0/19 /19 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
188.44.100.0 – 188.44.127.255 /19 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
37.49.192.0 – 37.49.211.255 /20 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
37.49.212.0 – 37.49.223.255 /20 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
91.105.156.0/22 /22 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
91.105.168.0/22 /22 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
91.105.144.0/22 /22 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.241.112.0/22 /22 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
46.241.104.0/22 /22 authorized for AS15774 — Limited Liability Company "TTK-Svyaz"
+64 more — see the REST API

NIC Handles

DUMY-RIPE DUMY-RIPE ZSTTK-MNT