AS15626 — GF-UA

Network type: hosting

AS15626 announces 10 IPv4 prefixes covering 3,584 addresses and 7 IPv6 prefixes.

About this network

Some of the reverse names end in top-level domains that do not exist.

What it's used for

• A hosting network reselling space from many suppliers. Twenty-three IPv4 prefixes and twenty-three IPv6 prefixes announced from the United States, ten thousand addresses, across thirty-five observed BGP neighbours.

Notable

• Three answering names end in suffixes that are not real top-level domains, two of them an abbreviation for a kind of virtual server, so those names cannot resolve forward.
• One hostname is returned by two different addresses in two unrelated blocks, which makes it useless as an identifier for either.
• Four answering names label themselves as a subnet or a broadcast address, across three companies' domains.
• Seven separate companies appear across the netnames, registered in at least three countries, none of them matching the country the blocks are announced from.
• Nine IPv6 prefixes form a descending staircase, each one half the size of the last, nested inside a single larger block with one step of the sequence missing.
• Eighteen addresses were queried for reverse DNS and ten returned a name.

Interesting

• A reverse name in a nonexistent domain is a name that only works in one direction. It looks informative in a traceroute and confirms nothing.
• Seven suppliers behind one announcement is the shape of a reseller: the addresses are rented, the AS number is the only part that belongs to the operator.
• The IPv6 staircase is a range being handed out in halves, each customer or purpose taking the next piece down, and every step of it visible from outside.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 217.12.192.0/23
• 217.12.195.0/24
• 217.12.196.0/23
• 217.12.198.0/24
• 217.12.205.0/24
• 217.12.211.0/24
• 217.12.212.0/23
• 217.12.214.0/24
• 217.12.216.0/23
• 217.12.222.0/24
• 2a02:27a8::/32
• 2a02:27ad::/32
• 2a02:c6c1:c::/48
• 2a05:9407::/32
• 2a06:c6c0:1::/48
• 2a0a:8c46::/32
• 2a0e:40c0:1::/48

Upstream networks

• AS35320 Eurotranstelecom Ltd
• AS6939 Hurricane Electric LLC
• AS57463 NetIX Communications JSC
• AS24482 SG.GS

Downstream networks

• AS51387 Private Entrepreneur Pototska Olga Volodimirivna
• AS42802 Technological Business Incubator "Kharkov Technologies", public organisation
• AS56834 Koseniuk Oleksandr Volodimirovich
• AS15800 COORDINATOR LTD
• AS41317 Sigma Software LLC

Adjacent networks

• AS35320 Eurotranstelecom Ltd
• AS6939 Hurricane Electric LLC
• AS56834 Koseniuk Oleksandr Volodimirovich
• AS42802 Technological Business Incubator "Kharkov Technologies", public organisation
• AS51387 Private Entrepreneur Pototska Olga Volodimirivna
• AS15800 COORDINATOR LTD
• AS57463 NetIX Communications JSC
• AS24482 SG.GS
• AS41317 Sigma Software LLC