Effect of C class IP, links from one subnet, from different, with the same netname…


How not to go bankrupt on satellites because of IP addresses

Following the permanent algorithm changes, the issue of thematic link algorithms came up in Google. One of the most common types of thematic link building is creating one’s own mini-sites. It would be unprofitable to build 20 sites, and to receive link juice as from a single site. The questions immediately arise:

  • Will several mini-sites on the same IP address have an effect as compared to the sites located on different IP addresses?
  • What if we take several IP addresses within the same subnet?
  • What is the efficiency if we place the source sites at different IP addresses, which will differ not only in last digits (DDD), but in a subnet as well (ААА.BBB.CCC.DDD), i.e. in “ССС” unique values (the so-called class C)?

The questions do not end there. One can look up the IP addresses, as well as the domains at Whois and see the owner. In other words, if allegedly different IP addresses of class C were bought, they can be unified on the basis of a common attribute, such as a netname.

  • Does Google regard the netname of IP addresses (if they are few)?
  • Is there a threshold, for example, of 15 source sites with the same netname, after which the links either get filtered out or work in a negative way?

There is an opinion that several IP addresses in the same subnet get filtered out and the site benefits from them as from a single site, not as from many sites. There is also a concern that if there are many source sites on the same IP address or the same subnet, this might be regarded a link farm and the sanctions may be imposed.

We also might be unaware of some other factors.

Trying different hosts and SEO hosts with the purchase of additional IP addresses

At the beginning, the satellite sites are located on different hosts.

  • Let’s create for comparison the sites on totally different hosts, where the percentage (%) of coincidence of some attributes is minimal.

There is one more hypothesis: in order to solve the problems with IP addresses of mini-sites, there are various so-called SEO hosts that comprise a set of 10, 20, 50 IP addresses with different class C.

  • Is it more effective to have a separate hosting for each mini-site or is it possible to get along with IP addresses of classes С or D of a certain SEO hosting?
  • Is it true that Google knows about SEO-hosts and filters out their IP addresses, therefore lowering their effect?

The sites are tested in real time. Their positions are tracked once every week and a half. It is logical that the search engines need time to identify the sites’ network. You have an opportunity to monitor the sites in the long run. The sites of experiment are in English, USA region. Case-Study

Reviews of the project

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