ASN LANDING PAGE

AS140290

CHINATELECOM-JIANGSU-5G-CORE-NETWORK - CHINATELECOM Jiangsu province 5G CORE network

Last updated · Jul 20, 2026

Country

Total prefixes

3

IPv4 prefixes

0

IPv6 prefixes

3

ASN summary

How to read the scale of AS140290

CHINATELECOM-JIANGSU-5G-CORE-NETWORK - CHINATELECOM Jiangsu province 5G CORE network currently reports 3 prefixes and 1 upstream, downstream, or peer relationships. These counts describe the current dataset; they do not by themselves prove network quality, reach, or service use.

What can an ASN page answer?

An ASN page shows the public organization label, country or region, BGP prefixes, and available peer and upstream relationships. It adds network context but cannot confirm a website host, physical facility, security status, or service quality.

How should you read the organization and region fields?

CHINATELECOM-JIANGSU-5G-CORE-NETWORK - CHINATELECOM Jiangsu province 5G CORE network is currently associated with an unknown region. These values come from public network sources and are useful lookup clues; an organization label, registration region, and actual service location may differ.

How should you verify the AS140290 result?

The page shows ASN data returned by the current upstream query; interpret it with the update time. Open representative IP pages from the same network and compare prefixes, source labels, and query times. Verify operator or service claims with the relevant registry or network operator.

How to verify this ASN result

AS140290 ASN lookupAS140290 BGPAS140290 peersAS140290 prefixesAS140290 upstreamsCHINATELECOM-JIANGSU-5G-CORE-NETWORK - CHINATELECOM Jiangsu province 5G CORE network ASN

Upstreams

Detailed data for this ASN is not available right now.

Downstreams

Detailed data for this ASN is not available right now.

Prefix inventory

PrefixNameCountry
240e:5a:4000::/42AS140290
240e:5a:4040::/42AS140290
240e:5a:4080::/42AS140290

Related ASN pages

Related lookups and next steps

Frequently asked questions about this ASN page

What does AS140290 represent?

AS140290 is an autonomous system number. The current source associates it with CHINATELECOM-JIANGSU-5G-CORE-NETWORK - CHINATELECOM Jiangsu province 5G CORE network and the region field an unknown region; those values add network context but do not prove a specific service, physical location, or quality level.

What are peers, upstreams, and prefixes useful for on the AS140290 page?

They help explain the scale, interconnection depth, and route structure of AS140290. Richer peering and upstream data often indicate broader network reach, but they should still be interpreted together with prefixes and related IP landing pages.

What should you do after reviewing AS140290?

Open a concrete IP page to check how the address maps into AS140290, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.

Related topics