subnet.im

AS43950Terence Froy trading as "Spilsby Internet Solutions"

United KingdomRegistryRIPE NCC

As of 10th November 2026, AS43950 (Terence Froy trading as "Spilsby…), a network registered in the United Kingdom with RIPE NCC, originates 2 IPv4 prefixes covering 3.1k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 20,470th-largest of the 80,733 networks we see originating IPv4, and the 637th-largest of 2,122 in the United Kingdom. It is seen behind 1 upstream network, most often AS8943 (Jump Networks Ltd). 67% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 67% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

2

IPv6 prefixes

1

IPv4 addresses

3.1k

IPv6 /64s

4.3B

Upstream graph

The networks AS43950 is seen behind, one and two hops out, drawn from real AS paths.

AS43950Toward the internet core
Upstream graph for AS43950: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS43950Terence Froy trad…This networkAS8943Jump Networks LtdAS1299Arelion (fka. Tel…AS5405Inter.link GmbH

Networks observed one and two hops upstream of AS43950 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 AS43950
NetworkCountryRelationshipPathsVantage pts
AS8943Jump Networks LtdGBPeer140139

Prefixes

The largest blocks AS43950 originates, widest first.

Largest prefixes originated by AS43950
PrefixAddressesVisibility
79.98.32.0/212k1/76
193.239.8.0/221k76/76
2a01:568::/324.3B × /6463/63

Routing health

How AS43950'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

  • Valid66.7%2
  • Invalid0.0%0
  • No ROA33.3%1

Propagation

  • Globally propagated90% of full-feed peers or more66.7%2
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%33.3%1

Prefix sizes

IPv4 — 2 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

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