Merck and Co., Inc.
BGP inherited
Cluster stats
| Netblocks | 65 · 2,900,159 IPv4 addresses |
| Cluster ID | 208811233 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
64
0 netblocks since 2026-07-05
2026-07-05
peak 64
2026-07-19
IP Ranges (65)
showing 50 of 65 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 155.91.0.0/16 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.7.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.8.0/22 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.10.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.11.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.12.0/23 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.14.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.15.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.16.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.17.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.18.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.20.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.26.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.27.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.28.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.29.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.31.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.34.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.35.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.37.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.38.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.39.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.40.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.41.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.42.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.44.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.45.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.47.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.49.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.50.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.52.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.53.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.56.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.57.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.58.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.59.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.60.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.62.0/24 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.72.0/21 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.72.0/22 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.152.0/21 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 155.91.152.0/22 | Merck and Co., Inc. | BGP | ANNOUNCED | ● high |
| 54.1.0.0/16 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.3.0.0 – 54.4.255.255 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.10.0.0/15 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.13.0.0 – 54.14.255.255 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.23.0.0 – 54.24.255.255 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.28.0.0/16 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.30.0.0/16 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
| 54.40.0.0 – 54.42.255.255 | Merck and Co., Inc. | ARIN | DIRECT ALLOCATION | ● low |
NIC Handles
AS213-ARIN
AS7054
DC272-ARIN
MERCKA
WHITE7-ARIN
WHITE7-ARIN
WHITE7-ARIN
WHITE7-ARIN