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
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

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
NetworkAddressesFirst – last address
187.79.208.0/212,048187.79.208.0 – 187.79.215.255
187.79.204.0/221,024187.79.204.0 – 187.79.207.255
187.79.196.0/23512187.79.196.0 – 187.79.197.255
187.79.198.0/23512187.79.198.0 – 187.79.199.255
58.66.0.0/2425658.66.0.0 – 58.66.0.255
58.66.2.0/2425658.66.2.0 – 58.66.2.255
58.66.13.0/2425658.66.13.0 – 58.66.13.255
58.66.14.0/2425658.66.14.0 – 58.66.14.255
58.66.21.0/2425658.66.21.0 – 58.66.21.255
58.66.28.0/2425658.66.28.0 – 58.66.28.255
58.66.29.0/2425658.66.29.0 – 58.66.29.255
58.66.39.0/2425658.66.39.0 – 58.66.39.255
58.66.49.0/2425658.66.49.0 – 58.66.49.255
58.66.50.0/2425658.66.50.0 – 58.66.50.255
58.66.57.0/2425658.66.57.0 – 58.66.57.255
58.66.65.0/2425658.66.65.0 – 58.66.65.255
58.66.73.0/2425658.66.73.0 – 58.66.73.255
58.66.76.0/2425658.66.76.0 – 58.66.76.255
58.66.91.0/2425658.66.91.0 – 58.66.91.255
58.66.94.0/2425658.66.94.0 – 58.66.94.255
58.66.97.0/2425658.66.97.0 – 58.66.97.255
58.66.98.0/2425658.66.98.0 – 58.66.98.255
58.66.100.0/2425658.66.100.0 – 58.66.100.255
58.66.101.0/2425658.66.101.0 – 58.66.101.255
58.66.103.0/2425658.66.103.0 – 58.66.103.255
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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