Autonomous System
AS207550 OCLAYER LIMITED
ISPActiveHong Kong SAR ChinaRIPE
AS207550 (OCLAYER) is an ISP network operated by OCLAYER LIMITED in Hong Kong SAR China, registered with RIPE. It has 140 IPv4 prefixes with 38,912 addresses, which makes it the 4,834th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses38,912in 140 prefixes
IPv6 prefixes0none
Size rank#4,834of 82,200 active ASNs
Details
OrganizationOCLAYER LIMITED
AS nameOCLAYER
Websiteoclayer.com
Country Hong Kong SAR China (HK)
Network typeISP
RegistryRIPE
Abuse contactinfo@oclayer.com
Registered2025-10-09
Last updated2026-02-04
IPv4 prefixes
140 prefixes · 38,912 addresses| Network | Addresses | First – last address |
|---|---|---|
| 187.79.208.0/21 | 2,048 | 187.79.208.0 – 187.79.215.255 |
| 187.79.204.0/22 | 1,024 | 187.79.204.0 – 187.79.207.255 |
| 187.79.196.0/23 | 512 | 187.79.196.0 – 187.79.197.255 |
| 187.79.198.0/23 | 512 | 187.79.198.0 – 187.79.199.255 |
| 58.66.0.0/24 | 256 | 58.66.0.0 – 58.66.0.255 |
| 58.66.2.0/24 | 256 | 58.66.2.0 – 58.66.2.255 |
| 58.66.13.0/24 | 256 | 58.66.13.0 – 58.66.13.255 |
| 58.66.14.0/24 | 256 | 58.66.14.0 – 58.66.14.255 |
| 58.66.21.0/24 | 256 | 58.66.21.0 – 58.66.21.255 |
| 58.66.28.0/24 | 256 | 58.66.28.0 – 58.66.28.255 |
| 58.66.29.0/24 | 256 | 58.66.29.0 – 58.66.29.255 |
| 58.66.39.0/24 | 256 | 58.66.39.0 – 58.66.39.255 |
| 58.66.49.0/24 | 256 | 58.66.49.0 – 58.66.49.255 |
| 58.66.50.0/24 | 256 | 58.66.50.0 – 58.66.50.255 |
| 58.66.57.0/24 | 256 | 58.66.57.0 – 58.66.57.255 |
| 58.66.65.0/24 | 256 | 58.66.65.0 – 58.66.65.255 |
| 58.66.73.0/24 | 256 | 58.66.73.0 – 58.66.73.255 |
| 58.66.76.0/24 | 256 | 58.66.76.0 – 58.66.76.255 |
| 58.66.91.0/24 | 256 | 58.66.91.0 – 58.66.91.255 |
| 58.66.94.0/24 | 256 | 58.66.94.0 – 58.66.94.255 |
| 58.66.97.0/24 | 256 | 58.66.97.0 – 58.66.97.255 |
| 58.66.98.0/24 | 256 | 58.66.98.0 – 58.66.98.255 |
| 58.66.100.0/24 | 256 | 58.66.100.0 – 58.66.100.255 |
| 58.66.101.0/24 | 256 | 58.66.101.0 – 58.66.101.255 |
| 58.66.103.0/24 | 256 | 58.66.103.0 – 58.66.103.255 |
187.79.208.0/21 187.79.204.0/22 187.79.196.0/23 187.79.198.0/23 58.66.0.0/24 58.66.2.0/24 58.66.13.0/24 58.66.14.0/24 58.66.21.0/24 58.66.28.0/24 58.66.29.0/24 58.66.39.0/24 58.66.49.0/24 58.66.50.0/24 58.66.57.0/24 58.66.65.0/24 58.66.73.0/24 58.66.76.0/24 58.66.91.0/24 58.66.94.0/24 58.66.97.0/24 58.66.98.0/24 58.66.100.0/24 58.66.101.0/24 58.66.103.0/24
The 25 largest of 140. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS207550 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS207550&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS207550, with or without a key:
curl "https://api.ipapi.is/?q=187.79.208.1"
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