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AS30851

Sileman Sp. z o.o.

Poland (PL)

ASN Information

AS NumberAS30851
AS NameSILEMAN-RUDASL-AS
OrganizationSILEMAN-RUDASL-AS Sileman Sp. z o.o.
Also known asNot available
CountryPoland (PL)
RegistryRIPE NCC
ASN TypeNSP
Last Seen
Announcement Count30
IPv4 Prefix Count30
IPv6 Prefix Count0
RPKI StatusNotFound ×29Unknown (could not be determined) ×1
IRR RecordsView IRR route objects
Websitehttp://sileman.pl/ ↗

AS Path to AS30851

  1. 37271Workonline Communications(Pty) Ltd - Workonline Communications(Pty) Ltd
  2. 12741AS-NETIA Netia SA
  3. 30851Origin

Most common path, seen 20× in route collector data, latest at a collector in Amsterdam (2026-10-21 10:18:17 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 16 peer session(s)Johannesburg: 19 peer session(s)Singapore: 21 peer session(s)Amsterdam: 26 peer session(s)London: 33 peer session(s)Eugene, OR: 55 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (30)

View All →
PrefixFamilyRPKILast Seen
83.142.168.0/22IPv4NotFoundNot looked up yet
83.142.170.0/24IPv4NotFoundNot looked up yet
83.142.171.0/24IPv4NotFoundNot looked up yet
83.142.172.0/22IPv4NotFoundNot looked up yet
83.142.173.0/24IPv4NotFoundNot looked up yet
83.142.175.0/24IPv4NotFoundNot looked up yet
85.11.64.0/18IPv4NotFoundNot looked up yet
85.11.64.0/20IPv4NotFoundNot looked up yet

Peers (15)

View All →
ASNameRelationshipPathsLast Seen
AS12741AS-NETIA Netia SAUpstream (inferred)771
AS15694ATMAN-ISP-AS Atman Sp. z o.o.Upstream (inferred)89
AS12912TMPL T-Mobile Polska S.A.Upstream (inferred)16
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)10
AS24578RIP-AS Slaski Inkubator Przedsiebiorczosci Sp. z o.o.Downstream (inferred)Inferred—
AS43837VEGA-AS Lukasz Pelka trading as VEGADownstream (inferred)Inferred—
AS43929ASN-AS ASN Sp. z o.o.Downstream (inferred)Inferred—

Neighbours seen next to AS30851 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (1)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
EPIX.KatowiceKatowice/Silesia, PL178.216.40.402001:7f8:5b::4020GNo

IX ports registered by AS30851 (self-reported by the network).

Interconnection Facilities (1)

FacilityCityCountry
Quicktel Sp. z o.o.KatowicePoland

Data centres where AS30851 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-SGMI
Member of AS-SETsSee IRR page
Peering policyRestrictive
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic20-50Gbps
Traffic ratioMostly Inbound
Geographic scopeRegional
Max prefixes (IPv4 / IPv6)40 / 2
Unicast / IPv6 / MulticastYes / Yes / No
Looking glasshttp://noc.sileman.pl/ ↗
Route serverNot available

Contact Information (0)

No public contacts are registered for AS30851.

Only contacts the network has chosen to publish are shown.

Upstreams (5)

ASNameRelationshipPathsLast Seen
AS12741AS-NETIA Netia SAUpstream (inferred)771
AS15694ATMAN-ISP-AS Atman Sp. z o.o.Upstream (inferred)89
AS12912TMPL T-Mobile Polska S.A.Upstream (inferred)16
AS49544i3Dnet i3D.net B.VUpstream (inferred)15
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)10

Downstreams (10)

ASNameRelationshipPathsLast Seen
AS24578RIP-AS Slaski Inkubator Przedsiebiorczosci Sp. z o.o.Downstream (inferred)Inferred—
AS43837VEGA-AS Lukasz Pelka trading as VEGADownstream (inferred)Inferred—
AS43929ASN-AS ASN Sp. z o.o.Downstream (inferred)Inferred—
AS51769Elwico Elwico s.c.Downstream (inferred)Inferred—
AS51931ARPNET-AS ARPNET WOJCIECH CHODACKIDownstream (inferred)Inferred—
AS59990NETRUNNER-AS Netrunner Anna PolakDownstream (inferred)Inferred—
AS60189WEGLOKOKS-AS WEGLOKOKS S.A.Downstream (inferred)Inferred—
AS197187Intracom IntraCOM.pl S.C. Grzegorz Lemantowicz, Artur MolskiDownstream (inferred)Inferred—
AS199965BETACOM-AS BETA-COM Sp. z o.o.Downstream (inferred)Inferred—
AS201451ARCOMP-AS ARCOMP Adam RosikDownstream (inferred)Inferred—

Registry and network details

Registered holderSILEMAN-RUDASL-AS Sileman Sp. z o.o.
RegisteredYes
Peering policyRestrictive
IRR AS-setAS-SGMI
Registry record last modified
MaintainersRIPE-NCC-END-MNT, SGMI-MNT
Internet exchanges1
Facilities1
Network profile updated

Data updated . See limitations.