ASN LANDING PAGE

AS28370

AS28370 - GUIFAMI Informatica Ltda.

Last updated · Jul 20, 2026

Country

—

Total prefixes

IPv4 prefixes

IPv6 prefixes

ASN summary

How to read the scale of AS28370

AS28370 - GUIFAMI Informatica Ltda. currently reports 27 prefixes and 48 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?

AS28370 - GUIFAMI Informatica Ltda. 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 AS28370 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

AS28370 ASN lookupAS28370 BGPAS28370 peersAS28370 prefixesAS28370 upstreamsAS28370 - GUIFAMI Informatica Ltda. ASN

Upstreams

Detailed data for this ASN is not available right now.

Downstreams

AS263535

—

AS268198

—

AS263060

—

AS269168

—

AS267608

—

AS273514

—

AS267556

—

AS268521

—

AS28657

—

AS53079

—

AS264426

—

AS263963

—

AS270962

—

AS269016

—

AS61708

—

AS272253

—

AS268036

—

AS52593

—

Peers

Prefix inventory

Prefix	Name	Country
187.45.144.0/20	AS28370	—
187.45.152.0/21	AS28370	—
187.45.152.0/22	AS28370	—
187.45.152.0/23	AS28370	—
187.45.152.0/24	AS28370	—
187.45.153.0/24	AS28370	—
187.45.154.0/23	AS28370	—
187.45.156.0/22	AS28370	—
187.45.156.0/23	AS28370	—
187.45.158.0/23	AS28370	—
189.84.144.0/20	AS28370	—
189.84.144.0/21	AS28370	—
189.84.144.0/22	AS28370	—
189.84.152.0/21	AS28370	—
189.84.152.0/22	AS28370	—
189.84.156.0/22	AS28370	—
189.84.156.0/23	AS28370	—
189.84.157.0/24	AS28370	—
189.84.158.0/23	AS28370	—
2804:591c:10::/44	AS28370	—
2804:591c::/32	AS28370	—
45.172.144.0/22	AS28370	—
45.172.144.0/23	AS28370	—
45.172.144.0/24	AS28370	—
45.172.145.0/24	AS28370	—
45.172.146.0/23	AS28370	—
45.172.146.0/24	AS28370	—

Related ASN pages

AS15169 · Google

Review Google network organization fields, prefixes, peers, upstreams, and downstreams.

AS13335 · Cloudflare

Review Cloudflare network organization fields, prefixes, peers, upstreams, and downstreams.

AS8075 · Microsoft

Review Microsoft network organization fields, prefixes, peers, upstreams, and downstreams.

AS16509 · Amazon

Review Amazon network organization fields, prefixes, peers, upstreams, and downstreams.

Related lookups and next steps

Frequently asked questions about this ASN page

What does AS28370 represent?

AS28370 is an autonomous system number. The current source associates it with AS28370 - GUIFAMI Informatica Ltda. 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 AS28370 page?

They help explain the scale, interconnection depth, and route structure of AS28370. 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 AS28370?

Open a concrete IP page to check how the address maps into AS28370, then compare the prefix, source labels, and query time. Verify operator or service claims with the relevant registry or network operator.