asn.dev

Autonomous system

AS211047 SIECISWIATLOWODOWE-AS Sieci Swiatlowodowe Sp. z o.o.

Unclassified RIPE

IPv4 addresses 1.79K 3 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly PL
Exchanges 0 recorded by PCH
Upstreams 2 1 downstream
Flagged prefixes 0 none

Summary

Sieci Swiatlowodowe Sp. z o.o.

Poland · AI-generated

fiber isp residential poland

SIECISWIATLOWODOWE-AS is operated by Sieci Swiatlowodowe Sp. z o.o.

What it's used for

  • The address space carries residential fiber broadband traffic, evidenced by reverse DNS entries such as ip-160-128.isp.webteam.pl and netnames PL-SIECISWIATLOWODOWE-20171024 and PL-SIECISWIATLOWODOWE-20210712.
  • The AS announces 1792 IPv4 addresses across 3 prefixes and maintains 5 observed neighbours, a ratio indicative of an access network providing last-mile connectivity rather than transit.
  • Traffic originates from subscriber endpoints connected via the operator's fiber infrastructure in the Sosnowiec region of Poland.

Notable

  • Registrants for the largest prefixes (185.227.192.0/22 and 193.9.125.0/24) align with the announcer, identified as Sieci Swiatlowodowe Sp. z o.o., while the 91.232.160.0/23 prefix is registered to WEBTEAM informatyka sp. z o.o.
  • The address inventory consists of three distinct IPv4 blocks with no IPv6 prefixes in the current inventory.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

2 upstream, 1 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS12912T-Mobile Polska S.A.177
AS24482SG.GS3

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-05, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 3 prefixes · 1.79K addresses IPv6 0 prefixes

CountryNamePrefixes
PLPoland3

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS211047
Registry name
SIECISWIATLOWODOWE-AS
Registrant
lir-pl-sieciswiatlowodowe-1-MNT
Abuse contact
lir@sieciswiatlowodowe.pl
Registered
2021-07-12
Last changed
2021-07-12
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 3 with no ROA
ROAs
0 authorising AS211047
ASPA
no ASPA record
IRR
100% registered · 3 of 3 announcements
Route objects
5 naming AS211047

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 453 networks and 1,854 prefixes, as published 2026-11-06. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check