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AS49633 MGK Fiber Sp. z o.o.

Poland MGK-AS RIPE 3 IPv4 prefixes 2 IPv6 prefixes
IPv4 addresses
6,144
IPv6 /48 networks
1,048,576
RPKI
0 valid5 no ROA
Peers and downstreams
5

Holder

AS name
MGK-AS
Description
Kilinskiego 1b 05-530 Gora Kalwaria
Organisation
MGK Fiber Sp. z o.o.
Abuse contact
abuse@mgk.pl
Assigned
2009-07-15
Registered
2009-07-16
Record last changed
2018-09-04 10:43 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS174 AS174 AS174 AS174 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 AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS14840 BR.Digital Telecom AS14840 · BR BR.Digital Telecom AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS12741 Netia SA AS12741 · PL Netia SA AS20804 Exatel S.A. AS20804 · PL Exatel S.A. AS49633 MGK Fiber Sp. z o.o. AS49633 · PL MGK Fiber Sp. z o.o.

Network health

Grade C · 60/100
fail Prefixes covered by valid ROAs
0 of 5 announced prefixes are RPKI valid, 5 have no ROA.		 0/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
2 IPv6 prefixes.		 15/15
pass More than one upstream
3 upstreams seen in BGP.		 10/10
pass Working abuse contact
abuse@mgk.pl is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2018-09-04.		 0/5
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 05:38 UTCNeighbour gone AS201054 upstream
2026-10-04 05:38 UTCNeighbour gone AS137409 upstream
2026-10-04 05:38 UTCRelationship changed AS29632 upstream to peer
2026-10-04 05:38 UTCRelationship changed AS24115 upstream to peer

WHOIS

aut-num:        AS49633
as-name:        MGK-AS
descr:          Kilinskiego 1b
descr:          05-530 Gora Kalwaria
org:            ORG-MRC11-RIPE
admin-c:        MGK19-RIPE
tech-c:         MGK19-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MGK-MNT
created:        2009-07-16T15:16:57Z
last-modified:  2018-09-04T10:43:01Z
source:         RIPE
% 12 routing policy lines (import/export) not shown