Politechnika Bialostocka
Cluster stats
| Netblocks | 122 |
| All fragments | 196 blocks across 11 clusters |
| Cluster ID | 191609347 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| 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
122
0 netblocks since 2026-07-05
2026-07-05
peak 122
2026-07-06
IP Ranges (122)
showing 50 of 122 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.128.152.0/21 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.128.0/20 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.128.0/19 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.144.0/23 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.146.0/23 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.152.0/22 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.160.0/21 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.166.0/24 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.168.0/21 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.176.0/21 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.184.0/21 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 82.139.186.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● high |
| 130.180.192.0/21 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 185.1.164.4/32 | Politechnika Bialostocka | PEERINGDB | ASSIGNED | ● high |
| 185.61.4.0/23 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 212.33.64.0/19 | Politechnika Bialostocka | BGP | ANNOUNCED | ● high |
| 2001:7f8:f0::2:9414:1/128 | Politechnika Bialostocka | PEERINGDB | ASSIGNED | ● high |
| 37.128.152.0/21 | Politechnika Bialostocka | RIPE | ALLOCATED PA | ● low |
| 37.128.152.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.153.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.154.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.155.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.156.0/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.156.128/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.157.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.158.0/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.158.128/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.159.0/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 37.128.159.128/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 81.6.128.0/26 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.128.192/26 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.137.160/27 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.137.216/29 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.186.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.190.0/25 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.191.0/25 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.6.191.128/25 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.0.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.1.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.2.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.3.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.4.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.5.0/26 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.5.64 – 81.26.5.159 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.5.160/27 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.5.192/26 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.6.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.7.0/25 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.16.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.17.0 – 81.26.18.255 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
94.3%
of checked blocks have valid RPKI ROA coverage
(115 of 122)
Possible discrepancies (13)
These blocks are registered to Politechnika Bialostocka 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.
| 81.26.17.0 – 81.26.18.255 /23 | authorized for AS24848 — Kielce University of Technology |
| 81.26.0.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.1.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.2.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.3.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.4.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.6.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.6.186.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.19.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 130.180.199.0/24 /24 | authorized for AS209522 — Wojewodztwo Podlaskie |
| 81.26.20.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 81.26.16.0/24 /24 | authorized for AS24848 — Kielce University of Technology |
| 185.61.7.0/24 /24 | authorized for AS199584 — Miasto Bialystok |
NIC Handles
AA46968-RIPE
AS29414
AS29414
AS8865
CKSR1-MNT
CKSR1-MNT
DUMY-RIPE
DUMY-RIPE
KUT-PL
ORG-CKSR1-RIPE
RIPE-NCC-HM-MNT
TPNET