subnet.im

AS12741Netia SA

PolandRegistryRIPE NCCTypeEyeball

As of 27th September 2026, AS12741 (Netia SA), an access network registered in Poland with RIPE NCC, originates 165 IPv4 prefixes covering 1.2M addresses and 3 IPv6 prefixes. By IPv4 address space that makes it the 401st-largest of the 79,516 networks we see originating IPv4, and the 4th-largest of 2,096 in Poland. It is seen behind 58 upstream networks, most often AS3356 (Lumen (Level 3)) and AS6461 (Zayo Bandwidth), and in front of 424 downstream networks. 89% 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

165

IPv6 prefixes

3

IPv4 addresses

1.2M

IPv6 /64s

8.6B

Upstream graph

The networks AS12741 is seen behind, one and two hops out, drawn from real AS paths.

AS12741Toward the internet core
Upstream graph for AS12741: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS12741Netia SAThis networkAS174Cogent Communicat…AS3356Lumen (Level 3)AS6461Zayo BandwidthAS7713PT Telkom Indones…AS50263A-Systems Sp. z o…AS1299Arelion (fka. Tel…AS151326DCConnect Communi…AS3549Lumen (fka. Globa…AS2914NTT America, Inc.AS32590Valve CorporationAS3257GTT Communication…AS132337Axclusive

Networks observed one and two hops upstream of AS12741 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

1,148

adjacent networks

Upstreams
585%
Peers
66658%
Downstreams
42437%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 58.

Upstreams of AS12741
NetworkCountryRelationshipPathsVantage pts
AS3356Lumen (Level 3)USPeer13,84563
AS6461Zayo BandwidthUSPeer11,07755
AS174Cogent Communications, LLCUSPeer7,41173
AS50263A-Systems Sp. z o.o.PLPeer3,62616
AS7713PT Telkom Indonesia TbkIDPeer2,4803
AS32590Valve CorporationUSPeer2,3553
AS38880Micron21 Datacentre Pty LtdAUPeer2,1132
AS16552Tiggee LLCUSPeer1,5532
AS57463NetIX Communications JSCBGPeer1,53129
AS52075Wifirst S.A.S.FRPeer1,4372

Prefixes

All 168

The largest blocks AS12741 originates, widest first.

Largest prefixes originated by AS12741
PrefixAddressesVisibility
78.8.0.0/14262k80/81
77.252.0.0/1665.5k80/81
81.219.0.0/1665.5k80/81
83.238.0.0/1665.5k80/81
87.105.0.0/1665.5k80/81
87.204.0.0/1665.5k80/81
89.171.0.0/1665.5k80/81
62.87.128.0/1732.8k80/81
62.111.128.0/1732.8k80/81
62.233.128.0/1732.8k80/81

Routing health

How AS12741'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

  • Valid88.7%149
  • Invalid0.0%0
  • No ROA11.3%19

Propagation

  • Globally propagated90% of full-feed peers or more100.0%168
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 165 prefixes

IPv6 — 3 prefixes

  • /324.3B × /6466.7%2
  • /4865.5k × /6433.3%1

Recent changes

Announcements that started or stopped since 28th Aug 2026.

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