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IP netblock relocation

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7 replies

by mcse75

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My Organization will be relocating in the next few months and this move will involve a change in our internet service provider.

We currently own the ip netblocks that we use and I am wondering how I would go about transfering these ip addresses from our current ISP to our new one.

Any input will be greatly appreciated.

Thanks

7 replies

by md_hashim

You could request your ISPs - new and current to help you in this matter - depending on your relationship with them...

by md_hashim

You could request your ISPs - new and current to help you in this matter - depending on your relationship with them...

by dlw6

Your old ISP is responsible for releasing (i.e. not advertising anymore) your IP block, so the backbone routers won't try to route your traffic to them anymore.

Likewise, the new ISP is responsible to advertise your IP block into the Internet, sothe backbone routers know to send your traffic through them.

It shouldn't take long (minutes or hours) for the caches to clear and the new information to propagate through the Internet.

The good new is that, because you own your own IP blocks,you don't have to ask the NIC to change your DNS entries.

Good fortune,
Don

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