Politechnika Bialostocka
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 119 · 35,769 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a02:1770::/32) |
| Also registered under this name | 125 netblocks across 2 separate records |
| Record ID | 240909083 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| 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 · report an issue | |
IP Ranges (119)
⬇ 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 |
| 37.128.152.0/24 | 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 |
| 81.26.19.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 81.26.20.0/24 | POLITECHNIKA-SW | RIPE | ASSIGNED PA | ● low |
| 82.139.128.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.128.0/18 | Politechnika Bialostocka | RIPE | ALLOCATED PA | ● low |
| 82.139.130.0 – 82.139.131.127 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.131.128/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.132.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.134.0 – 82.139.141.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.142.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.144.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.145.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.146.0/27 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.146.32/27 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.146.64/26 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.146.128/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.147.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.148.0/22 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.152.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.153.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.154.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.155.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.156.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.158.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.159.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.160.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.162.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.163.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.164.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.165.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.168.0 – 82.139.172.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.173.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.174.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.175.0 – 82.139.179.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.180.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.181.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.182.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.183.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.184.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 82.139.190.0/23 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 89.31.64.0/21 | Politechnika Bialostocka | RIPE | ALLOCATED PA | ● low |
| 130.180.192.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 130.180.193.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 130.180.194.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 130.180.196.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 130.180.197.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 130.180.198.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 130.180.199.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 185.61.4.0/22 | Politechnika Bialostocka | RIPE | ALLOCATED PA | ● low |
| 185.61.7.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.64.0 – 212.33.64.111 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.64.112/28 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.64.128/25 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.65.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.66.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.67.0 – 212.33.67.79 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.67.80/28 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.67.96 – 212.33.67.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.71.0 – 212.33.74.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.75.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.76.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.77.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.78.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.79.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.80.0 – 212.33.84.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.85.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.86.0/24 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.87.0 – 212.33.88.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.33.89.0 – 212.33.95.255 | Politechnika Bialostocka | RIPE | ASSIGNED PA | ● low |
| 212.244.57.112/28 | POLITECHNIKA-BIALOSTOCKA | RIPE | ASSIGNED PA | ● low |
| 2a02:1770::/32 | Politechnika Bialostocka | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (2)
Footprint over time
13 weekly snapshots · JSON
125
+3 netblocks since 2026-07-05
2026-07-05
peak 125
2026-09-20
Domains this organisation publishes
what's this?Other domains hosted in this network
what's this?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