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AS42451Limited Company Sakha Sprint Network

RussiaRegistryRIPE NCC

As of 11th November 2026, AS42451 (Limited Company Sakha Sprint Network), a network registered in Russia with RIPE NCC, originates 9 IPv4 prefixes covering 2.3k addresses. By IPv4 address space that makes it the 24,593rd-largest of the 80,743 networks we see originating IPv4, and the 1,414th-largest of 4,983 in Russia. It is seen behind 3 upstream networks, most often AS12389 (PJSC Rostelecom) and AS20485 (JSC TransTeleCom), and in front of 1 downstream network. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

9

IPv6 prefixes

0

IPv4 addresses

2.3k

IPv6 /64s

0

Upstream graph

The networks AS42451 is seen behind, one and two hops out, drawn from real AS paths.

AS42451Toward the internet core
Upstream graph for AS42451: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS42451Limited Company S…This networkAS12389PJSC RostelecomAS20485JSC TransTeleComAS58067JOINT-STOCK COMPA…AS6939Hurricane Electri…AS1299Arelion (fka. Tel…AS6453TATA Communicatio…AS3216PJSC Vimpelcom

Networks observed one and two hops upstream of AS42451 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

8

adjacent networks

Upstreams
338%
Peers
450%
Downstreams
113%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS42451
NetworkCountryRelationshipPathsVantage pts
AS12389PJSC RostelecomRUPeer34343
AS20485JSC TransTeleComRUPeer34155
AS58067JOINT-STOCK COMPANY "MOSCOW ENERGY COMMUNICATION NODE"RUPeer7676

Prefixes

The largest blocks AS42451 originates, widest first.

Largest prefixes originated by AS42451
PrefixAddressesVisibility
77.242.0.0/2425676/76
77.242.1.0/2425676/76
77.242.2.0/2425676/76
77.242.3.0/2425676/76
77.242.4.0/2425676/76
77.242.5.0/2425676/76
77.242.6.0/2425676/76
77.242.7.0/2425676/76
77.242.8.0/2425676/76

Routing health

How AS42451's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%9
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%9
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 9 prefixes

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS42451 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.