AS48021 - ALSTOR-AS - ALSTOR A. Zwierzynski i Wspolnicy Sp. z o.o., PL

Poland
AS Number
AS48021
AS Name
ALSTOR-AS
Org Name
ALSTOR A. Zwierzynski i Wspolnicy Sp. z o.o.
Country / Region
Poland
Registry

ripe

RegDate

Updated

2025-07-09T08:51:07Z

AS48021 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

256

IPv6 NUMs(/64)

0

CIDR Description IP Num
193.42.153.0/24
IRR Valid
ALSTOR A. Zwierzynski i Wspolnicy Sp. z o.o. 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5617 TPNET - Orange Polska Spolka Akcyjna, PL Poland 5,510,400 8,830,452,760,576 IPv4 IPv4
AS12741 AS-NETIA - Netia SA, PL Poland 1,237,248 8,589,934,592 IPv4 IPv4

Whois Record

as-block AS47870 - AS49384

as-block
descr
RIPE NCC ASN block
remarks
These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by
RIPE-NCC-HM-MNT
created
2025-07-09T08:51:07Z
last-modified
2025-07-09T08:51:07Z
source
RIPE

aut-num AS48021

aut-num
as-name
ALSTOR-AS
org
ORG-AS91-RIPE
import
from AS5617 action pref=100; accept ANY
from AS12968 action pref=100; accept ANY
export
to AS5617 announce AS48021
to AS12968 announce AS48021
admin-c
KP477-RIPE
SP214-RIPE
tech-c
KP477-RIPE
SP214-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
ALSTOR-MNT
created
2008-10-01T09:30:00Z
last-modified
2023-06-21T09:17:00Z
source
RIPE
sponsoring-org
ORG-GCI2-RIPE

organisation ORG-AS91-RIPE

organisation
ORG-AS91-RIPE
org-name
ALSTOR A. Zwierzynski i Wspolnicy Sp. z o.o.
country
PL
reg-nr
011817936
org-type
OTHER
address
03-244 Warszawa, Poland
ul. Wenecka 12
phone
+48225102400
e-mail
alstor@alstor.com.pl
abuse-c
AR24682-RIPE
admin-c
KP477-RIPE
SP214-RIPE
tech-c
KP477-RIPE
SP214-RIPE
mnt-ref
NETIA-MNT
mnt-by
NETIA-MNT
ALSTOR-MNT
created
2008-08-27T13:51:25Z
last-modified
2026-06-15T11:12:13Z
source
RIPE

person Krzysztof POLEWIAK

person
Krzysztof POLEWIAK
address
ROOT.PL
02-850 WARSZAWA
ul. TROMBITY 44A
POLAND
phone
+48504188661
e-mail
chris@polewiak.pl
nic-hdl
KP477-RIPE
notify
chris@polewiak.pl
mnt-by
ROOTPL-MNT
created
2003-08-04T11:15:09Z
last-modified
2008-11-14T11:24:07Z
source
RIPE

person Sylwester Pytkowski

person
Sylwester Pytkowski
address
ALSTOR Sp.j.
03-244 Warszawa, Poland
ul. Wenecka 12
e-mail
s.pytkowski@alstor.com.pl
mnt-by
ALSTOR-MNT
phone
+48225102400
nic-hdl
SP214-RIPE
created
2008-11-14T11:29:55Z
last-modified
2008-11-14T11:31:12Z
source
RIPE
 

as-block:       AS47870 - AS49384
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-07-09T08:51:07Z
last-modified:  2025-07-09T08:51:07Z
source:         RIPE



aut-num:        AS48021
as-name:        ALSTOR-AS
org:            ORG-AS91-RIPE
import:         from AS5617 action pref=100; accept ANY
export:         to AS5617 announce AS48021
import:         from AS12968 action pref=100; accept ANY
export:         to AS12968 announce AS48021
admin-c:        KP477-RIPE
admin-c:        SP214-RIPE
tech-c:         KP477-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         SP214-RIPE
mnt-by:         ALSTOR-MNT
created:        2008-10-01T09:30:00Z
last-modified:  2023-06-21T09:17:00Z
source:         RIPE
sponsoring-org: ORG-GCI2-RIPE

organisation:   ORG-AS91-RIPE
org-name:       ALSTOR A. Zwierzynski i Wspolnicy Sp. z o.o.
country:        PL
reg-nr:         011817936
org-type:       OTHER
address:        03-244 Warszawa, Poland
address:        ul. Wenecka 12
phone:          +48225102400
e-mail:         alstor@alstor.com.pl
abuse-c:        AR24682-RIPE
admin-c:        KP477-RIPE
admin-c:        SP214-RIPE
tech-c:         KP477-RIPE
tech-c:         SP214-RIPE
mnt-ref:        NETIA-MNT
mnt-by:         NETIA-MNT
mnt-by:         ALSTOR-MNT
created:        2008-08-27T13:51:25Z
last-modified:  2026-06-15T11:12:13Z
source:         RIPE

person:         Krzysztof POLEWIAK
address:        ROOT.PL
address:        02-850 WARSZAWA
address:        ul. TROMBITY 44A
address:        POLAND
phone:          +48504188661
e-mail:         chris@polewiak.pl
nic-hdl:        KP477-RIPE
notify:         chris@polewiak.pl
mnt-by:         ROOTPL-MNT
created:        2003-08-04T11:15:09Z
last-modified:  2008-11-14T11:24:07Z
source:         RIPE

person:         Sylwester Pytkowski
address:        ALSTOR Sp.j.
address:        03-244 Warszawa, Poland
address:        ul. Wenecka 12
e-mail:         s.pytkowski@alstor.com.pl
mnt-by:         ALSTOR-MNT
phone:          +48225102400
nic-hdl:        SP214-RIPE
created:        2008-11-14T11:29:55Z
last-modified:  2008-11-14T11:31:12Z
source:         RIPE