AS12993 DEAC-AS

Eighteen addresses sampled, eighteen names returned: the only perfect answer rate in this range.

What it's used for

• A Latvian data centre and hosting operator. 29,120 addresses across 40 IPv4 prefixes, 16 IPv6 prefixes, and 117 observed BGP neighbours.

Notable

• Netnames are LV-DEAC- dated 20020822, 20060421, 20100219 and 20130827.
• One is DEAC-COLO-DE, naming a facility in another country.
• Eighteen of eighteen sampled addresses returned names, every one of the form rev-89-111-40-0.deac.net.
• The registrant's name spells out the Latvian term for a limited liability company in full.

Interesting

• A complete answer rate means the reverse zone is generated for the entire allocation rather than filled in per host. That is the mark of an operator who treats DNS as infrastructure to be automated, and it is rarer than it should be: most networks in this range answer for a third of their addresses or none at all.
• The rev- prefix says out loud that these are reverse records. It is redundant, since anything returned by a reverse query is one, and it exists because generated names need a fixed leading label to be valid and somebody chose the most literal one available.
• DEAC-COLO-DE places colocation space in Germany inside a Latvian operator's registration. Data centre businesses expand by taking racks in other countries' facilities, and the address space follows the company rather than the building.
• 117 neighbours against 29,120 addresses is a hosting network that peers aggressively, which is how a data centre in a small market keeps its customers close to the rest of the internet.