AS213901 Jerzy Kolosowski 🇵🇱 PL

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

IPv6 prefixes

16 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS213901
Name: Jerzy Kolosowski
Organisation: KOLOSOWSCY
Country: 🇵🇱 PL
RIR: RIPENCC
Allocated: 2024-11-07
Network type: Enterprise
Scope: Regional
Peering policy: No
Website: https://kolosowscy.pl
PeeringDB: net/43307

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net, from cache

as-block:       AS208885 - AS214345
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:        2026-07-13T14:17:33Z
last-modified:  2026-07-13T14:17:33Z
source:         RIPE

aut-num:        AS213901
as-name:        KOLOSOWSCY
org:            ORG-KA1083-RIPE
sponsoring-org: ORG-SA4302-RIPE
import:         from AS34872 accept ANY
export:         to AS34872 announce AS213901
import:         from AS20473 accept ANY
export:         to AS20473 announce AS213901
admin-c:        SBAC-RIPE
admin-c:        AA44096-RIPE
tech-c:         SBTC-RIPE
tech-c:         AA44096-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SBMT
mnt-by:         KOLOSOWSCY-MNT
created:        2024-11-07T13:35:56Z
last-modified:  2024-12-14T05:10:55Z
source:         RIPE

organisation:   ORG-KA1083-RIPE
admin-c:        AA44096-RIPE
org-name:       Jerzy Kolosowski
org-type:       OTHER
address:        Waluszewska 38B/1
address:        03-005 Warszawa
country:        PL
reg-nr:         Not Applicable
abuse-c:        AA44096-RIPE
mnt-ref:        KOLOSOWSCY-MNT
mnt-ref:        SBMT
mnt-by:         KOLOSOWSCY-MNT
created:        2024-11-02T13:18:29Z
last-modified:  2026-05-13T05:57:53Z
source:         RIPE # Filtered

role:           Administrators
address:        Waluszewska 38B/1
abuse-mailbox:  admin@kolosowscy.pl
nic-hdl:        AA44096-RIPE
mnt-by:         KOLOSOWSCY-MNT
created:        2024-11-02T12:51:51Z
last-modified:  2024-11-02T13:18:22Z
source:         RIPE # Filtered
admin-c:        JK16249-RIPE

role:           Securebit Administrative Contact
address:        Securebit AG
address:        Industriestrasse 3
address:        6345 Neuheim
address:        Switzerland
org:            ORG-SA4302-RIPE
admin-c:        KBPS
tech-c:         KBPS
nic-hdl:        SBAC-RIPE
mnt-by:         SBMT
created:        2017-12-12T10:44:51Z
last-modified:  2019-04-04T04:04:09Z
source:         RIPE # Filtered

role:           Securebit Technical Contact
address:        Securebit AG
address:        Industriestrasse 3
address:        6345 Neuheim
address:        Switzerland
org:            ORG-SA4302-RIPE
admin-c:        KBPS
tech-c:         KBPS
nic-hdl:        SBTC-RIPE
mnt-by:         SBMT
created:        2017-12-12T10:46:29Z
last-modified:  2019-04-04T04:04:09Z
source:         RIPE # Filtered