AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
FIBERNET-ASN FIBER Network s.r.o. 2 1 4,096 4,294,967,296 Czech
4,096 IPv4 Addresses
CIDR Description IP Num
217.28.80.0/21 FIBER Network s.r.o. 2048
217.28.88.0/21 FIBER Network s.r.o. 2048
CIDR Description IP NUMs(prefix /64)
2a02:28a8::/32 FIBER Network s.r.o. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 520,448 282,708,169,719,808 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 55,040 42,950,524,928 IPv4 IPv4 IPv6 IPv6
AS36236 NETACTUATE - NetActuate, Inc, US United States 98,048 5,933,432,832 IPv4 IPv4 IPv6 IPv6
AS49025 PROZETA-NET - PRO-ZETA a.s., CZ Czech 5,120 268,435,456 IPv4 IPv4 IPv6 IPv6
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 34,360,131,584 IPv4 IPv4 IPv6 IPv6
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4
AS51400 ASSPOJENET - SPOJE.NET s.r.o., CZ Czech 2,048 65,536 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 6,400 8,590,131,200 IPv4 IPv4
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 512 0 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS51400 ASSPOJENET - SPOJE.NET s.r.o., CZ Czech 2,048 65,536 IPv4 IPv4
AS62298 CSC - Computer Systems Consulting s.r.o., CZ Czech 256 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS8251 NFX_ZSPO - FreeTel, s.r.o., CZ Czech 17,408 4,294,967,296 IPv6 IPv6
IP Address Domain NUMs Domains
217.28.80.1 1 ns1.fiber.cz
217.28.80.2 8 fbnet.cz
217.28.80.3 1 mx1.fiber.cz
217.28.80.23 2 fiber.cz
217.28.80.26 1 mail-mx1.prd.fiber.cz
217.28.81.1 1 ns2.fiber.cz
217.28.81.38 1 ftp.bitmachine.cz
217.28.81.42 7 mail.prince2ato.cz
217.28.81.66 9 ferman.svmikulas.cz
217.28.81.83 1 www.bksense.cz
as-block:       AS47104 - AS52223
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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS51800
as-name:        FIBERNET-ASN
org:            ORG-FNs4-RIPE
import:         from AS48960 action pref=100; accept ANY
import:         from AS49025 action pref=50; accept ANY
import:         from AS51801 action pref=200; accept ANY
import:         from AS198346 action pref=200; accept ANY
import:         from AS51400 action pref=200; accept ANY
import:         from AS62298 action pref=200; accept ANY
export:         to AS48960 announce AS-FIBERNET-SET
export:         to AS49025 announce AS-FIBERNET-SET
export:         to AS51801 announce AS-FIBERNET-SET
export:         to AS198346 announce AS-FIBERNET-SET
export:         to AS51400 announce AS-FIBERNET-SET
export:         to AS62298 announce AS-FIBERNET-SET
admin-c:        JK6086-RIPE
admin-c:        LM1397-RIPE
tech-c:         JK6086-RIPE
tech-c:         LM1397-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-FIBERCZ
created:        2010-11-05T15:57:48Z
last-modified:  2020-03-27T09:28:20Z
source:         RIPE # Filtered

organisation:   ORG-FNs4-RIPE
org-name:       FIBER Network s.r.o.
org-type:       LIR
address:        Cimburkova 369/16
address:        130 00
address:        Prague 3
address:        CZECH REPUBLIC
phone:          +420222742742
fax-no:         +420222742744
abuse-c:        AFBR1
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-FIBERCZ
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-FIBERCZ
created:        2010-10-25T13:22:51Z
last-modified:  2016-05-19T09:34:08Z
source:         RIPE # Filtered

person:         Jiri Kobilak
address:        FIBER Network
address:        Cimburkova 369/16
address:        13000 Praha 3
address:        Czech Republic / EU
nic-hdl:        JK6086-RIPE
created:        2010-10-27T23:27:39Z
last-modified:  2010-11-10T18:23:34Z
source:         RIPE # Filtered
phone:          +420222742742
mnt-by:         MNT-COBOOL

person:         Lukas Mesani
phone:          +420-222-742-740
address:        Czech Republic
nic-hdl:        LM1397-RIPE
mnt-by:         MNT-FRODO
created:        2006-06-07T13:57:53Z
last-modified:  2020-03-03T14:23:08Z
source:         RIPE