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AS41201 DOLSAT sp. z o.o.

Poland DOLSAT RIPE 96 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
24,576
IPv6 /48 networks
0
RPKI
96 valid0 no ROA
Peers and downstreams
8

Holder

AS name
DOLSAT
Description
ul. Wojska Polskiego 23C BELCHATOW, POLAND
Organisation
DOLSAT sp. z o.o.
Registered in
Bełchatów, Poland
Abuse contact
abuse@dolsat.pl
Assigned
2006-06-27
Registered
2006-06-28
Record last changed
2025-06-11 09:46 UTC
87.199.0.0/1887.199.0.0/2487.199.1.0/2487.199.10.0/2487.199.11.0/2487.199.12.0/2487.199.13.0/2487.199.14.0/2487.199.15.0/2487.199.16.0/2487.199.17.0/2487.199.18.0/2487.199.19.0/2487.199.2.0/2487.199.20.0/2487.199.21.0/2487.199.22.0/2487.199.23.0/2487.199.24.0/2487.199.25.0/2487.199.26.0/2487.199.27.0/2487.199.28.0/2487.199.29.0/2487.199.3.0/2487.199.30.0/2487.199.31.0/2487.199.32.0/2487.199.33.0/2487.199.34.0/2487.199.35.0/2487.199.36.0/2487.199.37.0/2487.199.38.0/2487.199.39.0/2487.199.4.0/2487.199.40.0/2487.199.41.0/2487.199.42.0/2487.199.43.0/2487.199.44.0/2487.199.45.0/2487.199.46.0/2487.199.47.0/2487.199.48.0/2487.199.49.0/2487.199.5.0/2487.199.50.0/2487.199.51.0/2487.199.52.0/2487.199.53.0/2487.199.54.0/2487.199.56.0/2487.199.57.0/2487.199.58.0/2487.199.59.0/2487.199.6.0/2487.199.60.0/2487.199.61.0/2487.199.62.0/2487.199.63.0/2487.199.64.0/1987.199.64.0/2487.199.65.0/2487.199.67.0/2487.199.68.0/2487.199.69.0/2487.199.7.0/2487.199.70.0/2487.199.71.0/2487.199.72.0/2487.199.73.0/2487.199.74.0/2487.199.75.0/2487.199.76.0/2487.199.77.0/2487.199.78.0/2487.199.79.0/2487.199.8.0/2487.199.80.0/2487.199.81.0/2487.199.82.0/2487.199.83.0/2487.199.84.0/2487.199.85.0/2487.199.86.0/2487.199.87.0/2487.199.88.0/2487.199.89.0/2487.199.9.0/2487.199.90.0/2487.199.91.0/2487.199.92.0/2487.199.93.0/2487.199.94.0/2487.199.95.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS14840 BR.Digital Telecom AS14840 · BR BR.Digital Telecom AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS6461 Zayo Bandwidth AS6461 · US Zayo Bandwidth AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS137409 GSL Networks Pty LTD AS137409 · AU GSL Networks Pty LTD AS6204 TMRC GROUP SRL AS6204 · RO TMRC GROUP SRL AS28917 Fiord Networks, UAB AS28917 · LT Fiord Networks, UAB AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS20804 Exatel S.A. AS20804 · PL Exatel S.A. AS201054 Stowarzyszenie e-Poludnie AS201054 · PL Stowarzyszenie e-Polu… AS41201 DOLSAT sp. z o.o. AS41201 · PL DOLSAT sp. z o.o.

Network health

Grade B · 85/100
pass Prefixes covered by valid ROAs
96 of 96 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
pass More than one upstream
4 upstreams seen in BGP.		 10/10
pass Working abuse contact
abuse@dolsat.pl is published.		 15/15
pass Publishes a geofeed
A geofeed (RFC 8805) tells where the address space is used.		 10/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
pass Registry record maintained
Last changed 2025-06-11.		 5/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-04 08:49 UTCNeighbour gone AS35320 upstream
2026-10-04 08:49 UTCRelationship changed AS9009 upstream to peer
2026-10-04 08:49 UTCNew neighbour AS49559 peer
2026-10-04 08:49 UTCRelationship changed AS24115 upstream to peer
2026-10-04 08:49 UTCRelationship changed AS137409 upstream to peer
2026-10-04 08:49 UTCRelationship changed AS13194 upstream to peer
2026-10-04 08:49 UTCPrefix gone 87.199.143.0/24
2026-10-04 08:49 UTCPrefix gone 87.199.142.0/24

WHOIS

aut-num:        AS41201
as-name:        DOLSAT
descr:          ul. Wojska Polskiego 23C
descr:          BELCHATOW, POLAND
org:            ORG-Dszo4-RIPE
remarks:        
remarks:        ================================================================
remarks:        
remarks:        ================================================================
remarks:        Abuse reports - mailto:abuse@dolsat.pl
remarks:        ================================================================
admin-c:        JK4656-RIPE
admin-c:        MB13907-RIPE
tech-c:         JK4656-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         MB13907-RIPE
mnt-by:         DOLSAT-MNT
created:        2006-06-28T14:16:06Z
last-modified:  2025-06-11T09:46:10Z
source:         RIPE
% 46 routing policy lines (import/export) not shown