Network Overview

ASNAS38019
OrganizationChina Mobile Communications Group Co., Ltd
Announced IPv4 ranges67
Total IPv4 addresses301,312

Sample IP Ranges Announced by AS38019

Range StartRange EndLookup
36.134.64.0 36.134.65.255 Details →
36.137.46.0 36.137.47.255 Details →
36.138.209.0 36.138.213.255 Details →
36.138.219.0 36.138.219.255 Details →
36.139.180.0 36.139.183.255 Details →
36.139.242.0 36.139.243.255 Details →

What Is an Autonomous System?

An autonomous system (AS) is a collection of IP networks operated by a single organization - an ISP, cloud provider, enterprise, or university - that shares a common routing policy. Each AS is identified by a unique AS number (ASN) and exchanges routing information with other systems using the BGP protocol.

Knowing which ASN an IP belongs to reveals who actually operates the network behind it - useful for fraud analysis, traffic quality assessment, and abuse investigation. Use the IP lookup tool to find the ASN for any address.

Frequently Asked Questions

What is AS38019?

AS38019 is the autonomous system operated by China Mobile Communications Group Co., Ltd, announcing 67 IPv4 ranges (301,312 addresses).

Who operates AS38019?

China Mobile Communications Group Co., Ltd. An autonomous system is a network under a single administrative entity that exchanges routes with other networks via BGP.

How do I check if an IP belongs to AS38019?

Enter the IP into our free IP lookup - the result shows the ASN, operator, geolocation, and VPN/datacenter flags.

How many IP addresses does AS38019 have?

AS38019 currently announces approximately 301,312 IPv4 addresses across 67 ranges, according to public routing data.