AS42576 Maciej Jan Broniarz trading as CERT NGO 🇵🇱 PL

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
3
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS42576
Name
Maciej Jan Broniarz trading as CERT NGO
Organisation
Maciej Jan Broniarz trading as CERT NGO
Country
🇵🇱 PL
RIR
RIPENCC
Allocated
2007-03-15

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 3 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS42383 - AS42953
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:        2026-06-23T05:12:23Z
last-modified:  2026-06-23T05:12:23Z
source:         RIPE

aut-num:        AS42576
as-name:        INTRSC-AS
org:            ORG-IA684-RIPE
admin-c:        MJB24-RIPE
tech-c:         MJB24-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LEON-MNT
mnt-by:         UW-PL
created:        2007-03-15T14:44:49Z
last-modified:  2026-09-30T07:23:02Z
source:         RIPE
sponsoring-org: ORG-LSzo6-RIPE

organisation:   ORG-IA684-RIPE
org-name:       Maciej Jan Broniarz trading as CERT NGO
country:        PL
reg-nr:         Not Applicable
remarks:        Intersec
org-type:       OTHER
abuse-c:        AR18483-RIPE
address:        Intersec Maciej Jan Broniarz
address:        ul. Chmielna 98
address:        00-801 Warsaw
address:        Poland
phone:          +48 22 5618921
tech-c:         MJB24-RIPE
mnt-ref:        ATMAN-MNT
mnt-by:         LEON-MNT
mnt-by:         UW-PL
created:        2007-03-09T08:42:43Z
last-modified:  2026-09-30T07:23:02Z
source:         RIPE # Filtered

person:         Maciej Jan Broniarz
address:        Chmielna 98
address:        00-801 Warszawa
address:        Poland
phone:          +48 226248941
nic-hdl:        MJB24-RIPE
mnt-by:         UW-PL
created:        2005-09-06T20:32:48Z
last-modified:  2014-02-21T09:53:57Z
source:         RIPE # Filtered