subnet.im

AS211306Treadstone Business Development S.R.L.

RomaniaRegistryRIPE NCC

As of 10th November 2026, AS211306 (Treadstone Business Development S.R.L.), a network registered in Romania with RIPE NCC, originates 13 IPv4 prefixes covering 3.8k addresses. By IPv4 address space that makes it the 18,902nd-largest of the 80,723 networks we see originating IPv4, and the 86th-largest of 913 in Romania. It is seen behind 3 upstream networks, most often AS6663 (Türk Telekom International) and AS3223 (Voxility LLP). Every one of its announcements has 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

13

IPv6 prefixes

0

IPv4 addresses

3.8k

IPv6 /64s

0

Upstream graph

The networks AS211306 is seen behind, one and two hops out, drawn from real AS paths.

AS211306Toward the internet core
Upstream graph for AS211306: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS211306Treadstone Busine…This networkAS3223Voxility LLPAS6663Türk Telekom Inte…AS12302Vodafone Romania …AS3356Lumen (Level 3)AS2914NTT America, Inc.AS5405Inter.link GmbHAS1273Vodafone Group PLC

Networks observed one and two hops upstream of AS211306 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

7

adjacent networks

Upstreams
343%
Peers
457%
Downstreams
00%

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

Upstreams of AS211306
NetworkCountryRelationshipPathsVantage pts
AS6663Türk Telekom InternationalROPeer57666
AS3223Voxility LLPGBPeer31852
AS12302Vodafone Romania S.A.ROPeer9412

Prefixes

The largest blocks AS211306 originates, widest first.

Largest prefixes originated by AS211306
PrefixAddressesVisibility
77.232.216.0/2351276/76
93.120.44.0/2351276/76
77.36.56.0/2425676/76
77.232.218.0/2425676/76
91.200.132.0/2425676/76
91.231.227.0/2425676/76
91.232.55.0/2425676/76
91.237.49.0/2425676/76
91.237.193.0/2425676/76
91.238.38.0/2425676/76

Routing health

How AS211306'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

  • Valid100.0%13
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%13
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 13 prefixes

Recent changes

Announcements that started or stopped since 11th Oct 2026.

No announcement by AS211306 started or stopped in this period.

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