OReilly Media, Inc.
O'Reilly Media, Inc.
Data as of 2026-08-09
BGP inherited
Limited data: only 2 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 2 · 1,024 IPv4 addresses |
| Cluster ID | 218244458 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 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 (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 199.27.144.0/22 | O'Reilly Media, Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 199.27.144.0/23 | O'Reilly Media, Inc. | BGP | ANNOUNCED | ● high |
NIC Handles
ABUSE7237-ARIN
AS15228
DEANA2-ARIN
OM-16
OREIL50-ARIN
OREIL50-ARIN