AS15640 — FPIC-AS

AS15640 announces 12 IPv4 prefixes covering 67,072 addresses and 1 IPv6 prefixes.

About this network

Half the reverse names write the address with dots, turning it into four extra DNS labels.

What it's used for

• A regional broadband network inside a national operator. Eighty-eight IPv4 prefixes and one IPv6 /32 announced from the Russian Federation, sixty-seven thousand addresses, across three observed BGP neighbours.

Notable

• Two naming schemes run side by side under one domain. Some names join two octets with a hyphen; the rest write all four octets separated by dots, which makes each octet its own label in the name.
• A third scheme appears on two addresses, using a different opening word from the rest.
• Every name carries a city label, so the whole sample is placed in one place regardless of scheme.
• Most netnames use the country code, a three-letter predecessor brand and a date, one of them from the first years of the registry; two blocks instead carry a customer-style name with a number.
• Eighty-eight routes leave through three neighbours.
• Eighteen addresses were queried for reverse DNS and twelve returned a name.

Interesting

• Writing an address with dots inside a hostname is legal and quietly awkward. Tools that count labels or match on the domain see a different shape from the hyphenated names in the same zone.
• Eighty-eight routes for sixty-seven thousand addresses means the space arrived in small pieces over many years, and none of it has been consolidated since.
• The naming says these are residential subscribers. That is more than most operators publish, and it makes the whole customer footprint of one city measurable from outside.

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

Announced prefixes

• 62.16.32.0/19
• 77.43.128.0/17
• 77.93.96.0/22
• 81.23.169.0/24
• 81.23.170.0/24
• 89.148.192.0/18
• 195.222.128.0/20
• 195.222.144.0/22
• 195.222.148.0/24
• 195.222.151.0/24
• 195.222.152.0/21
• 213.87.42.0/23
• 2a03:e480::/32

Upstream networks

• AS8359 MTS PJSC

Downstream networks

• AS51663 Administration of Solikamsk city
• AS47854 Qwerty Ltd.

Adjacent networks

• AS8359 MTS PJSC
• AS51663 Administration of Solikamsk city
• AS47854 Qwerty Ltd.