subnet.im

AS39550KPMG LLP

United KingdomRegistryRIPE NCC

As of 26th October 2026, AS39550 (KPMG LLP), a network registered in the United Kingdom with RIPE NCC, originates 4 IPv4 prefixes covering 32.8k addresses. By IPv4 address space that makes it the 5,433rd-largest of the 79,679 networks we see originating IPv4, and the 143rd-largest of 2,077 in the United Kingdom. It is seen behind 2 upstream networks, most often AS2856 (British Telecommunications) and AS64519, and in front of 1 downstream network. None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

4

IPv6 prefixes

0

IPv4 addresses

32.8k

IPv6 /64s

0

Upstream graph

The networks AS39550 is seen behind, one and two hops out, drawn from real AS paths.

AS39550Toward the internet core
Upstream graph for AS39550: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS39550KPMG LLPThis networkAS2856British Telecommu…AS64519AS5400British Telecommu…AS9002RETN LimitedAS7713PT Telkom Indones…

Networks observed one and two hops upstream of AS39550 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

5

adjacent networks

Upstreams
240%
Peers
240%
Downstreams
120%

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

Upstreams of AS39550
NetworkCountryRelationshipPathsVantage pts
AS2856British TelecommunicationsGBPeer30476
AS64519—Peer62

Prefixes

The largest blocks AS39550 originates, widest first.

Largest prefixes originated by AS39550
PrefixAddressesVisibility
158.179.64.0/198.2k76/76
158.179.96.0/198.2k76/76
158.180.128.0/198.2k76/76
158.180.192.0/198.2k76/76

Routing health

How AS39550'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

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%4

Propagation

  • Globally propagated90% of full-feed peers or more100.0%4
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

Recent changes

Announcements that started or stopped since 26th Sept 2026.

No announcement by AS39550 started or stopped in this period.

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