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Whois Details
inetnum: 200.142.144.0/20 aut-num: AS28591 abuse-c: TEMTE2 owner: MCM Telecom Ltda. ownerid: 01.099.212/0001-30 responsible: Dante Passos Cioffi owner-c: DPC59 tech-c: TEMTE2 inetrev: 200.142.144.0/21 nserver: dns.mcmtelecom.com.br nsstat: 20170307 AA nslastaa: 20170307 nserver: mailgw.mcmtelecom.com.br nsstat: 20170307 AA nslastaa: 20170307 inetrev: 200.142.152.0/23 nserver: dns.mcmtelecom.com.br nsstat: 20170304 AA nslastaa: 20170304 nserver: mailgw.mcmtelecom.com.br nsstat: 20170304 AA nslastaa: 20170304 inetrev: 200.142.155.0/24 nserver: dns.mcmtelecom.com.br nsstat: 20170307 AA nslastaa: 20170307 nserver: mailgw.mcmtelecom.com.br nsstat: 20170307 AA nslastaa: 20170307 inetrev: 200.142.156.0/22 nserver: dns.mcmtelecom.com.br nsstat: 20170303 AA nslastaa: 20170303 nserver: mailgw.mcmtelecom.com.br nsstat: 20170303 AA nslastaa: 20170303 created: 20041214 changed: 20140514 nic-hdl-br: DPC59 person: Dante Passos Cioffi created: 20030217 changed: 20140221 nic-hdl-br: TEMTE2 person: TECNICO MCM TELECOM created: 20140327 changed: 20170216
IP address subranges within this IP range
Details
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.