strabag
STRABAG
Registry
Cluster stats
| Netblocks | 12 |
| Registered in | Germany (4) · Poland (2) · Romania (2) · Switzerland (1) · Saudi Arabia (1) · Russia (1) |
| All fragments | 177 blocks across 61 clusters |
| Cluster ID | 208897467 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
12
0 netblocks since 2026-07-13
2026-07-13
peak 12
2026-07-19
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.109.1.24/30 | STRABAG-NET | RIPE | ASSIGNED PA | ● low |
| 81.12.174.48/29 | strabag | RIPE | ASSIGNED PA | ● low |
| 81.12.185.72/29 | strabag | RIPE | ASSIGNED PA | ● low |
| 81.201.150.15/32 | STRABAG | RIPE | ASSIGNED PA | ● low |
| 82.135.105.112/29 | STRABAG-NET | RIPE | ASSIGNED PA | ● low |
| 88.217.164.224/29 | STRABAG-NET | RIPE | ASSIGNED PA | ● low |
| 171.33.191.232/30 | STRABAG-AG | RIPE | ASSIGNED PA | ● low |
| 194.181.99.56/30 | Strabag | RIPE | ASSIGNED PA | ● low |
| 194.209.36.192/28 | STRABAG-NET | RIPE | ASSIGNED PA | ● low |
| 212.12.181.32/30 | STRABAG | RIPE | ASSIGNED PA | ● low |
| 212.248.61.80/30 | STRABAG | RIPE | ASSIGNED PA | ● low |
| 217.222.196.176/29 | STRABAG | RIPE | ASSIGNED PA | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “STRABAG” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- Strabag BRVZ AB 47 blocks
- STRABAG-HAMBURG-NET 7 blocks
- STRABAG-FRANKFURT-AM-MAIN-NET 5 blocks
- STRABAG-SCHWARZHEIDE-NET 4 blocks
- STRABAG-STUTTGART-NET 4 blocks
- STRABAG-DRESDEN-NET 4 blocks
- STRABAG_BRVZ_GMBH_und_CO__KG-NET 4 blocks
- STRABAG-BERLIN-NET 4 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- Bauholdingstrabag sub-allocation
- A1SI-STRABAG via A1 Slovenija telekomunikacijske storitve,d.d. sub-allocation
- Gleisbau U Strabag via T-Mobile Austria GmbH sub-allocation
- Strabag-Arge-Lainzer-Tunnel via T-Mobile Austria GmbH sub-allocation
- STRABAG-NET-PL via Netia SA sub-allocation
- Strabag 01 via interneX GmbH sub-allocation
- STRABAG-HR sub-allocation
- STRABAG-STUTTGART-20-2 via Deutsche Telekom AG sub-allocation
Network trust
what's this?
RPKI hygiene: B
how networks compare →
83.3%
of checked blocks have valid RPKI ROA coverage
(10 of 12)
No discrepancies found among checked blocks.
NIC Handles
AS12302-MNT
CH-UNISOURCE-MNT
COMSTAR-MNT
DSI-MNT
DUMY-RIPE
DUMY-RIPE
MNET-MNT
MNT-TNETKOM
NASK-MNT
NOURNET-MNT
POLKOMTEL-MNT
TIG-MNT