Category Archives: IPv4

NetCom 4G and Huawei B593s-22

Sometime ago I switched from a Huawei E220 to a Huawei B593s-22. My 3G internet connection became a 4G internet connection in an instant.

I recently turned on IPv6 on the 4G WAN interface, only to be really disappointed.

Packet Data Protocol (PDP) type set to IPv4v6
Packet Data Protocol (PDP) type set to IPv4v6

NetCom does not offer IPv6 service to its 4G customers. That’s a shame.

IPv6 status: Disconnected
IPv6 status: Disconnected

With ARIN running out of IPv4 addresses, it sends a clear message that IPv4 is nearing its useful lifespan. NetCom should thus begin offering IPv6 service. Our patience is running out.

ARIN close to Z day

ARIN, the American Registry for Internet Numbers, is closing in on their Z day. Soon only AfriNIC will have IPv4 address blocks available for their customers, and even AfriNIC will run out of IPv4 addresses sometime in the year 2019.

ARIN's IPv4 depletion status as of 2015-09-23T06:03+0000
ARIN’s IPv4 depletion status as of 2015-09-23T06:03+0000

See ARIN’s IPv4 depletion webpage for more information.

The bottom line is: Start using IPv6!


ARIN's IPv4 depletion status as of 2015-09-24T06:00+0000
ARIN’s IPv4 depletion status as of 2015-09-24T06:00+0000

How many IPv4 addresses are there?

An acquaintant posted the following question on an IRC channel earlier today:

How many IPv4 addresses are there?

The quick and simple answer is 232 = 4,294,967,296 addresses.

Is this an accurate answer? Yes, in a strict interpretation of the original question.

A far more interesting puzzle is if you want to account for all the IPv4 addresses usable on the public internet. Continue reading How many IPv4 addresses are there?