subnet.im

AS204679NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY

PolandRegistryRIPE NCC

As of 14th November 2026, AS204679 (NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA -…), a network registered in Poland with RIPE NCC, originates 6 IPv4 prefixes covering 66.6k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 3,430th-largest of the 80,844 networks we see originating IPv4, and the 29th-largest of 2,110 in Poland. It is seen behind 13 upstream networks, most often AS29314 (VECTRA S.A.) and AS6939 (Hurricane Electric LLC). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 43% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

6

IPv6 prefixes

1

IPv4 addresses

66.6k

IPv6 /64s

4.3B

Upstream graph

The networks AS204679 is seen behind, one and two hops out, drawn from real AS paths.

AS204679Toward the internet core
Upstream graph for AS204679: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS204679NAUKOWA I AKADEMI…This networkAS6939Hurricane Electri…AS24482SG.GSAS29314VECTRA S.A.AS49544i3D.net B.VAS59832NAUKOWA I AKADEMI…AS20130Depaul UniversityAS132337AxclusiveAS38623Metfone (Viettel …AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)AS8308NAUKOWA I AKADEMI…AS19551Incapsula Inc

Networks observed one and two hops upstream of AS204679 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

43

adjacent networks

Upstreams
1330%
Peers
3070%
Downstreams
00%

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

Upstreams of AS204679
NetworkCountryRelationshipPathsVantage pts
AS29314VECTRA S.A.PLPeer183113
AS6939Hurricane Electric LLCUSPeer4922
AS59832NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZYPLPeer2020
AS24482SG.GSSGPeer124
AS49544i3D.net B.VNLPeer62
AS24940Hetzner Online GmbHDEPeer42
AS137409GSL Networks Pty LTDAUPeer31
AS5617Orange Polska Spolka AkcyjnaPLPeer31
AS999CORIX NETWORKSUSPeer11
AS262355VSX NetworksBRPeer11

Prefixes

The largest blocks AS204679 originates, widest first.

Largest prefixes originated by AS204679
PrefixAddressesVisibility
195.164.128.0/1732.8k78/78
195.164.128.0/1816.4k15/78
195.164.192.0/1816.4k15/78
193.59.78.0/2351278/78
194.181.179.0/2425616/78
195.164.161.0/2425620/78
2001:a17::/324.3B × /6463/64

Routing health

How AS204679'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%7
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more42.9%3
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%57.1%4

Prefix sizes

IPv4 — 6 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 15th Oct 2026.

39 announced and 39 withdrawn in all; the most recent are shown.

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