Data as of Nov 3, 2026
Autonomous system
AS14109
Sigma Aldrich Corporation
Announces 2,816 addresses in 9 prefixes. None of it is anonymizer space.
Type
Business
US
Proxy activity, 30 days
4 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 63.77.23.0/24 since Mar 2009 | Business | Verizon Business | ||
| 63.99.16.0/24 since Nov 2005 | Business | Verizon Business | ||
| 85.238.128.0/23 since Feb 2023 | Business | Merck KGaA | ||
| 85.238.129.0/24 since Nov 2025 | Business | Merck KGaA | ||
| 85.238.130.0/23 since Jun 2020 | Business | 3 | Merck KGaA | |
| 85.238.130.0/24 since Jun 2020 | Business | Merck KGaA | ||
| 85.238.131.0/24 since Jun 2020 | Business | 3 | Merck KGaA | |
| 85.238.144.0/22 since Aug 2022 | Business | Merck KGaA | ||
| 205.219.230.0/24 since Jul 2020 | Business | CenturyLink Communications, LLC via Sigma-Aldrich Corporation |
Residential-proxy exposure
Providers
12
selling exits here
Proxy providers listing exits
- BirdProxies
- CliProxy
- GSocks
- Infatica
- MangoProxy
- NodeProxy
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- VantageProxies
- VitalExclusive
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS14109, day by day
51 observations
Network & history
Profile
- Registered
- May 11, 2020
- Domain
- sigma-aldrich.com
- Industry
- Chemical and Pharmaceutical Manufacturing
Routing patterns
How its announcements have moved
Arrivals