EstNOC OU
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 76 · 15,360 IPv4 addresses |
| IPv6 | 16 prefixes (largest 2a0e:4940::/32) |
| Registered in | United States (28) · Netherlands (16) · EE (7) · Germany (5) · Sweden (2) · Croatia (1) |
| Record ID | 236107290 |
| 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 | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (76)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.0.12.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 37.77.56.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 37.77.60.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 37.77.62.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.86.201.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.128.132.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.128.133.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.128.134.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.128.135.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.129.33.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.132.195.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.133.192.0/23 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.133.194.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.133.195.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.138.84.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.138.85.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.138.86.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.138.87.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.139.48.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.139.49.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.146.221.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.146.222.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.146.223.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 46.246.1.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 85.203.39.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 91.196.68.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 91.196.70.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 103.140.186.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 103.140.187.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 141.98.212.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 141.98.213.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 141.98.214.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 141.98.215.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 147.90.237.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 158.173.75.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 158.173.162.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 173.255.174.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 178.73.220.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.51.134.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.90.60.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.135.141.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.209.220.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.221.132.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.227.68.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 185.234.73.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 192.159.100.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 192.159.101.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 193.36.116.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 193.36.117.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 193.36.118.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 193.36.119.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 195.80.148.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 195.80.149.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 195.80.150.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 195.80.151.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 198.181.163.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 199.33.70.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 203.0.9.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 216.131.121.0/24 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2001:1548:206::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2401:eaa0:1::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2604:ea80:6200::/40 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2604:ea80:6600::/40 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a01:1b8:5::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a03:efc0:2100::/40 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a06:a000:1e1::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a06:a000:1eb::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0b:b87:ffd7::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0e:4940:1::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0e:4940:2::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0e:4940:3::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0e:4940:4::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0e:4940:5::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 2a0e:4940:6::/48 | EstNOC OU | BGP | ANNOUNCED | ● high |
| 45.128.132.0/22 | EstNOC OU | RIPE | ALLOCATED PA | ● low |
| 2a0e:4940::/32 | EstNOC OU | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (16)
showing the 15 largest allocationsFootprint over time
11 weekly snapshots · JSON
76
-7 netblocks since 2026-07-05
2026-07-05
peak 83
2026-09-06
Network trust
what's this?
RPKI hygiene: B
how networks compare →
82.9%
of checked blocks have valid RPKI ROA coverage
(63 of 76)
Possible discrepancies (1)
These blocks are registered to EstNOC OU 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.
| 45.129.33.0/24 /24 | authorized for AS202425 — IP Volume inc |
NIC Handles
AS206804
DUMY-RIPE
DUMY-RIPE
ESTNOC-MNT
ESTNOC-MNT
MAINT-ESTNOCOY-AP
MNT-HOSTUS
MNT-SYNAPSECOM
ORG-EO51-RIPE
PREFIXBROKER-MNT
RIPE-NCC-HM-MNT
us-strong-1-mnt