Autonomous System

AS28370 GUIFAMI Informática Ltda.

ISPActiveBrazilLACNIC

AS28370 (AS28370) is an ISP network operated by GUIFAMI Informática Ltda. in Brazil, registered with LACNIC. It has 25 IPv4 prefixes with 26,112 addresses and 2 IPv6 prefixes, which makes it the 5,921st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses26,112in 25 prefixes
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#5,921of 82,200 active ASNs
Abuser scoreLow0.14% of its addresses flagged · method

Details

OrganizationGUIFAMI Informática Ltda.
AS nameAS28370
Website3ax.com.br
Country Brazil (BR)
Network typeISP
RegistryLACNIC
Abuse contact—
Registered20071218
Last updated20130306

IPv4 prefixes

25 prefixes · 26,112 addresses
NetworkAddressesFirst – last address
187.45.144.0/204,096187.45.144.0 – 187.45.159.255
189.84.144.0/204,096189.84.144.0 – 189.84.159.255
187.45.152.0/212,048187.45.152.0 – 187.45.159.255
189.84.144.0/212,048189.84.144.0 – 189.84.151.255
189.84.152.0/212,048189.84.152.0 – 189.84.159.255
45.172.144.0/221,02445.172.144.0 – 45.172.147.255
187.45.152.0/221,024187.45.152.0 – 187.45.155.255
187.45.156.0/221,024187.45.156.0 – 187.45.159.255
189.84.144.0/221,024189.84.144.0 – 189.84.147.255
189.84.152.0/221,024189.84.152.0 – 189.84.155.255
189.84.156.0/221,024189.84.156.0 – 189.84.159.255
45.172.144.0/2351245.172.144.0 – 45.172.145.255
45.172.146.0/2351245.172.146.0 – 45.172.147.255
187.45.152.0/23512187.45.152.0 – 187.45.153.255
187.45.154.0/23512187.45.154.0 – 187.45.155.255
187.45.156.0/23512187.45.156.0 – 187.45.157.255
187.45.158.0/23512187.45.158.0 – 187.45.159.255
189.84.156.0/23512189.84.156.0 – 189.84.157.255
189.84.158.0/23512189.84.158.0 – 189.84.159.255
45.172.144.0/2425645.172.144.0 – 45.172.144.255
45.172.145.0/2425645.172.145.0 – 45.172.145.255
45.172.146.0/2425645.172.146.0 – 45.172.146.255
187.45.152.0/24256187.45.152.0 – 187.45.152.255
187.45.153.0/24256187.45.153.0 – 187.45.153.255
189.84.157.0/24256189.84.157.0 – 189.84.157.255

IPv6 prefixes

2 prefixes
  • 2804:591c::/32
  • 2804:591c:10::/44

Query AS28370 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=AS28370&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS28370, with or without a key:

curl "https://api.ipapi.is/?q=187.45.144.1"

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