SUBNET.IM

AS21437Aviti ltd.

UkraineRegistryRIPE NCC

At a glance

IPv4 prefixes

10

IPv6 prefixes

0

IPv4 addresses

2.6k

IPv6 /64s

0

Upstream graph

The networks AS21437 is seen behind, one and two hops out, drawn from real AS paths.

AS21437Toward the internet core
Upstream graph for AS21437: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21437Aviti ltd.This networkAS21500Scientific Produc…AS3326Datagroup PJSCAS62206Pitline Ltd

Networks observed one and two hops upstream of AS21437 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS21437
NetworkCountryRelationshipPathsVantage pts
AS21500Scientific Production Enterprise "Technaukservice" LtdUAPeer80080

Prefixes

The largest blocks AS21437 originates, widest first.

Largest prefixes originated by AS21437
PrefixAddressesVisibility
81.17.128.0/2425680/80
81.17.131.0/2425680/80
81.17.132.0/2425680/80
81.17.133.0/2425680/80
81.17.134.0/2425680/80
81.17.135.0/2425680/80
81.17.136.0/2425680/80
81.17.138.0/2425680/80
81.17.139.0/2425680/80
193.104.133.0/2425680/80

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