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AS216139Iron Hosting Centre LTD

United KingdomRegistryRIPE NCC

As of 11th November 2026, AS216139 (Iron Hosting Centre LTD), a network registered in the United Kingdom with RIPE NCC, originates 60 IPv4 prefixes covering 15.4k addresses and 3 IPv6 prefixes. By IPv4 address space that makes it the 8,515th-largest of the 80,743 networks we see originating IPv4, and the 251st-largest of 2,122 in the United Kingdom. It is seen behind 11 upstream networks, most often AS9002 (RETN Limited) and AS31500 (Global Network Management Inc). 98% of its announcements have 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

60

IPv6 prefixes

3

IPv4 addresses

15.4k

IPv6 /64s

197k

Upstream graph

The networks AS216139 is seen behind, one and two hops out, drawn from real AS paths.

AS216139Toward the internet core
Upstream graph for AS216139: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS216139Iron Hosting Cent…This networkAS9002RETN LimitedAS31500Global Network Ma…AS48729ServerKing B.V.AS57043HOSTKEY B.V.AS62212SmartApe OUAS6667Elisa OyjAS3356Lumen (Level 3)AS1273Vodafone Group PLCAS1299Arelion (fka. Tel…AS174Cogent Communicat…AS6939Hurricane Electri…AS51248Host-Telecom.com …

Networks observed one and two hops upstream of AS216139 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

53

adjacent networks

Upstreams
1121%
Peers
4279%
Downstreams
00%

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

Upstreams of AS216139
NetworkCountryRelationshipPathsVantage pts
AS9002RETN LimitedGBPeer1,67085
AS31500Global Network Management IncAGPeer1,26341
AS62212SmartApe OUEEPeer737137
AS57043HOSTKEY B.V.NLPeer29611
AS48729ServerKing B.V.NLPeer27610
AS59692IQWeb FZ-LLCAEPeer22575
AS6939Hurricane Electric LLCUSPeer11712
AS24482SG.GSSGPeer502
AS3170VeloxServ Communications LtdGBPeer502
AS24940Hetzner Online GmbHDEPeer502

Prefixes

All 63

The largest blocks AS216139 originates, widest first.

Largest prefixes originated by AS216139
PrefixAddressesVisibility
2.56.90.0/2425676/76
45.12.69.0/2425676/76
45.151.68.0/2425676/76
45.151.69.0/2425676/76
46.30.40.0/2425676/76
46.30.41.0/2425676/76
46.30.42.0/2425676/76
46.30.43.0/2425676/76
46.30.44.0/2425676/76
46.30.45.0/2425676/76

Routing health

How AS216139'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

  • Valid98.4%62
  • Invalid0.0%0
  • No ROA1.6%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%63
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 60 prefixes

IPv6 — 3 prefixes

  • /4865.5k × /64100.0%3

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS216139 started or stopped in this period.

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