subnet.im

AS39326Syntura Group Limited

United KingdomRegistryRIPE NCCTypeEyeball

As of 10th November 2026, AS39326 (Syntura Group Limited), an access network registered in the United Kingdom with RIPE NCC, originates 30 IPv4 prefixes covering 105k addresses and 5 IPv6 prefixes. By IPv4 address space that makes it the 2,357th-largest of the 80,723 networks we see originating IPv4, and the 56th-largest of 2,122 in the United Kingdom. It is seen behind 22 upstream networks, most often AS2914 (NTT America, Inc.) and AS1299 (Arelion (fka. Telia Carrier)), and in front of 20 downstream networks. 69% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 94% of its routes reach at least 90% of full-feed peers, and 1 prefix is also originated by another network.

At a glance

IPv4 prefixes

30

IPv6 prefixes

5

IPv4 addresses

105k

IPv6 /64s

43B

Upstream graph

The networks AS39326 is seen behind, one and two hops out, drawn from real AS paths.

AS39326Toward the internet core
Upstream graph for AS39326: 11 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS39326Syntura Group Lim…This networkAS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS6667Elisa OyjAS14537Continent 8 LLCAS32590Valve CorporationAS13030Init7 (Switzerlan…AS16552Tiggee LLCAS49544i3D.net B.VAS215859Hetzner Cloud - S…AS3356Lumen (Level 3)AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS39326 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

157

adjacent networks

Upstreams
2214%
Peers
11573%
Downstreams
2013%

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

Upstreams of AS39326
NetworkCountryRelationshipPathsVantage pts
AS2914NTT America, Inc.USPeer1,76058
AS1299Arelion (fka. Telia Carrier)SEPeer1,49476
AS6667Elisa OyjFIPeer2624
AS14537Continent 8 LLCUSPeer2164
AS32590Valve CorporationUSPeer2054
AS13030Init7 (Switzerland) Ltd.CHPeer1604
AS6939Hurricane Electric LLCUSPeer15720
AS5413Wavenet LimitedGBPeer1282
AS132337AxclusiveSGAdjacent1082
AS8298IPng Networks GmbHCHPeer922

Prefixes

All 35

The largest blocks AS39326 originates, widest first.

Largest prefixes originated by AS39326
PrefixAddressesVisibility
151.170.0.0/1665.5k76/76
80.71.0.0/198.2k76/76
217.196.224.0/198.2k76/76
89.248.16.0/204.1k76/76
93.89.80.0/204.1k76/76
37.46.200.0/212k76/76
46.17.56.0/212k76/76
77.75.104.0/212k76/76
92.119.136.0/221k76/76
185.51.172.0/221k76/76

Routing health

How AS39326'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

  • Valid68.6%24
  • Invalid0.0%0
  • No ROA31.4%11

Propagation

  • Globally propagated90% of full-feed peers or more94.3%33
  • Partially propagated40% to 90%5.7%2
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 30 prefixes

IPv6 — 5 prefixes

  • /2934.4B × /6420.0%1
  • /324.3B × /6440.0%2
  • /4016.8M × /6420.0%1
  • /4865.5k × /6420.0%1

Recent changes

Announcements that started or stopped since 11th Oct 2026.

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