206208 looking glass

AS201727 Blond & Brown s.r.o. 🇨🇿 CZ

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
2,048 (8 × /24)
IPv6 prefixes
1
256 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it

Registry and operator data

AS number
AS201727
Name
Blond & Brown s.r.o.
Organisation
Blond & Brown s.r.o.
Country
🇨🇿 CZ
RIR
RIPENCC
Allocated
2014-08-01

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:       AS200537 - AS202347
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:        2026-06-17T08:25:01Z
last-modified:  2026-06-17T08:25:01Z
source:         RIPE

aut-num:        AS201727
as-name:        AS_BUBAKOV
org:            ORG-BBS16-RIPE
import:         from AS8251 action pref=100; accept ANY
export:         to AS8251 announce AS201727
import:         from AS15935 action pref=100; accept ANY
export:         to AS15935 announce AS201727 AS202556
import:         from AS202556 action pref=100; accept AS202556
export:         to AS202556 announce ANY
admin-c:        JZ2548-RIPE
tech-c:         JZ2548-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-cz-blondbrown-1
created:        2014-08-01T07:50:24Z
last-modified:  2023-07-14T06:19:13Z
source:         RIPE

organisation:   ORG-BBS16-RIPE
org-name:       Blond & Brown s.r.o.
country:        CZ
reg-nr:         27587916
org-type:       LIR
address:        Krivoklatska 1386
address:        27101
address:        Nove Straseci
address:        CZECH REPUBLIC
phone:          +420317471385
admin-c:        JZ2548-RIPE
tech-c:         JZ2548-RIPE
abuse-c:        AR54569-RIPE
mnt-ref:        mnt-cz-blondbrown-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-cz-blondbrown-1
created:        2019-08-06T10:41:42Z
last-modified:  2026-05-13T07:05:20Z
source:         RIPE # Filtered

person:         Jiri Zelenka
address:        Krivoklatska 1386
address:        27101
address:        Nove Straseci
address:        CZECH REPUBLIC
phone:          +420317471385
nic-hdl:        JZ2548-RIPE
mnt-by:         mnt-cz-blondbrown-1
created:        2019-08-06T10:41:41Z
last-modified:  2019-08-06T10:41:42Z
source:         RIPE