Ost-Telecommunication GmbH

BGP inherited
Cluster stats
Netblocks33
All fragments 77 blocks across 26 clusters
Cluster ID204709818
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 16 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
33 0 netblocks since 2026-07-05
2026-07-05 peak 33 2026-07-13

IP Ranges (33)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.153.199.0/24 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
62.157.146.0/23 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
80.149.22.0/23 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
80.150.232.0/23 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
193.158.104.136/29 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
193.159.185.128/28 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
217.7.145.0/24 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
217.29.50.0/24 OST JSC BGP ANNOUNCED ● high
217.243.160.0/23 Ost-Telecommunication GmbH RIPE ASSIGNED PA ● high
31.187.67.192/29 OST-TEL-COM-LAN RIPE ASSIGNED PA ● low
37.72.120.0/22 OST-ISP-NET7 RIPE ASSIGNED PA ● low
37.72.124.0/23 OST-ISP-NET8 RIPE ASSIGNED PA ● low
37.72.126.0/23 OST-ISP-NET11 RIPE ASSIGNED PA ● low
62.133.136.0/22 OST-ISP-NET1 RIPE ASSIGNED PA ● low
62.133.140.0/22 OST-ISP-NET3 RIPE ASSIGNED PA ● low
62.133.144.0/24 OST-ISP-NET2 RIPE ASSIGNED PA ● low
62.133.145.0 – 62.133.148.255 OST-ISP-NET4 RIPE ASSIGNED PA ● low
62.133.149.0 – 62.133.152.255 OST-ISP-NET5 RIPE ASSIGNED PA ● low
62.133.153.0 – 62.133.156.255 OST-ISP-NET5 RIPE ASSIGNED PA ● low
62.133.157.0 – 62.133.159.255 OST-ISP-NET6 RIPE ASSIGNED PA ● low
81.3.180.228/30 OST-LAN RIPE ASSIGNED PA ● low
83.221.224.0/24 OST-TEL-COM-LAN RIPE ASSIGNED PA ● low
89.187.205.64/27 OST-TEL-COM-LAN RIPE ASSIGNED PA ● low
93.153.241.44/30 OST-LAN RIPE ASSIGNED PA ● low
185.13.184.0/23 OST-ISP-NET9 RIPE ASSIGNED PA ● low
185.13.186.0/23 OST-ISP-NET10 RIPE ASSIGNED PA ● low
185.33.196.0/23 OST-LAN RIPE LIR-PARTITIONED PA ● low
185.33.198.0/23 OST-LAN RIPE LIR-PARTITIONED PA ● low
203.90.64.80/29 OST-AR APNIC ASSIGNED NON-PORTABLE ● low
203.90.120.200/29 OST-AR APNIC ASSIGNED NON-PORTABLE ● low
212.99.198.0/24 OST-TEL-COM-LAN RIPE ASSIGNED PA ● low
2a00:1ca0:1000:112::/64 OST-TEL-COM-LAN RIPE ASSIGNED ● low
2a00:1ca0:1000:a00::/56 OST-TEL-COM-LAN RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (33 of 33)
Possible discrepancies (11)

These blocks are registered to Ost-Telecommunication GmbH but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:1ca0:1000:a00::/56 /56 authorized for AS21413 — Envia Tel GmbH
80.149.22.0/23 /23 authorized for AS3320 — Deutsche Telekom AG
62.157.146.0/23 /23 authorized for AS3320 — Deutsche Telekom AG
80.150.232.0/23 /23 authorized for AS3320 — Deutsche Telekom AG
217.243.160.0/23 /23 authorized for AS3320 — Deutsche Telekom AG
185.33.196.0/23 /23 authorized for AS60252 — "OBIT" Ltd.
185.33.198.0/23 /23 authorized for AS60252 — "OBIT" Ltd.
217.7.145.0/24 /24 authorized for AS3320 — Deutsche Telekom AG
83.221.224.0/24 /24 authorized for AS21413 — Envia Tel GmbH
62.153.199.0/24 /24 authorized for AS3320 — Deutsche Telekom AG
212.99.198.0/24 /24 authorized for AS21413 — Envia Tel GmbH

NIC Handles

AS61141 DTAG-NIC DUMY-RIPE DUMY-RIPE ENVIA-TEL-MNT JH1655-AP JH1655-AP MAINT-IN-HCL OBIT-MNT ORG-OG73-RIPE OST-MNT PSTAR-MNT +1 more