138.121.40.0/22
AS270891 · Fernandes e Silva Provedor de Internet Ltda-Me
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inetnum: 138.121.40.0/22 aut-num: AS270891 abuse-c: PRBGS owner: Fernandes e Silva Provedor de Internet Ltda-Me ownerid: 27.890.957/0001-07 responsible: Paulo Roberto Brito Gomes da Silva country: BR owner-c: PRBGS tech-c: PRBGS created: 20200701 changed: 20200701 nic-hdl-br: PRBGS person: Paulo Roberto Brinto Gomes da Silva e-mail: provedorintelnet@gmail.com country: BR created: 20200215 changed: 20231210
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What are IP address ranges?
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.
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