Cook Technical Institute
Data as of 2026-08-16
BGP inherited
Cluster stats
| Netblocks | 21 · 18,944 IPv4 addresses |
| Registered in | United States (19) · India (2) |
| Cluster ID | 223666016 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 39 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
21
+15 netblocks since 2026-07-05
2026-07-05
peak 21
2026-08-16
IP Ranges (21)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.45.244.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 64.7.244.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 130.12.196.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 131.143.64.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 142.248.116.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 167.253.116.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.6.58.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.6.92.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.6.196.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.6.244.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.6.250.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.26.64.0/24 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.26.80.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.82.162.0/23 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.82.176.0/21 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.132.112.0/24 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 192.151.36.0/22 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 199.7.248.0/22 | COOK TECHNICAL INSTITUTE | ARIN | ASSIGNMENT | ● high |
| 199.74.32.0/20 | Cook Technical Institute | ARIN | ASSIGNMENT | ● high |
| 162.4.152.0/24 | Cook_Technical_Institute | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 162.4.153.0/24 | Cook_Technical_Institute | APNIC | ALLOCATED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
90.5%
of checked blocks have valid RPKI ROA coverage
(19 of 21)
Possible discrepancies (19)
These blocks are registered to Cook Technical Institute but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 199.74.32.0/20 /20 | authorized for AS5650 — Verizon Business |
| 192.82.176.0/21 /21 | authorized for AS5650 — Verizon Business |
| 45.45.244.0/22 /22 | authorized for AS7029 — Windstream Communications LLC |
| 192.151.36.0/22 /22 | authorized for AS5650 — Verizon Business |
| 167.253.116.0/22 /22 | authorized for AS5650 — Verizon Business |
| 199.7.248.0/22 /22 | authorized for AS5650 — Verizon Business |
| 130.12.196.0/22 /22 | authorized for AS5650 — Verizon Business |
| 142.248.116.0/22 /22 | authorized for AS5650 — Verizon Business |
| 192.6.92.0/23 /23 | authorized for AS5650 — Verizon Business |
| 192.6.196.0/23 /23 | authorized for AS5650 — Verizon Business |
| 192.6.58.0/23 /23 | authorized for AS5650 — Verizon Business |
| 192.6.244.0/23 /23 | authorized for AS5650 — Verizon Business |
| 192.6.250.0/23 /23 | authorized for AS5650 — Verizon Business |
| 192.26.80.0/23 /23 | authorized for AS5650 — Verizon Business |
| 192.82.162.0/23 /23 | authorized for AS5650 — Verizon Business |
+4 more — see the REST API
NIC Handles
ADMIN8154-ARIN
ADMIN8154-ARIN
ADMIN8154-ARIN
AN3336-AP
C11254637
C11521193
C11526896
C11526898
C11526912
C11576211
C11614698
C11614701
+27 more