AS Number
AS197307
AS Name
bnet-internet_cz
Org Name
Core4Net, s.r.o.
Country
Czech
Registry

ripe

RegDate

Updated

2024-09-04T14:04:38Z

AS197307 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

1

IPv4 NUMs

5,376

IPv6 NUMs(/64)

4,294,967,296

5,376 IPv4 Addresses
CIDR Description IP Num
79.142.144.0/20
ROA Signed and Valid IRR Valid
Core4Net, s.r.o. 4096
185.51.28.0/22
ROA Signed and Valid IRR InValid
Core4Net, s.r.o. 1024
185.180.1.0/24
ROA Signed and Valid IRR Valid
Core4Net, s.r.o. 256
CIDR Description IP NUMs(prefix /64)
2a02:24c0::/32
ROA Signed and Valid IRR Valid
Core4Net, s.r.o. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 37,120 34,359,869,440 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Telecom, BR Brazil 72,704 14,010,548,224 IPv4 IPv4 IPv6 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 28,672 4,294,967,296 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 28,160 17,196,711,936 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS16019 VODAFONE-CZ-AS - Vodafone Czech Republic a.s., CZ Czech 1,210,368 326,417,580,032 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 117,248 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS35369 LINZAG-TELEKOM-AS - LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation, AT Austria 38,400 4,295,032,832 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS39392 SuperNetwork - SH.cz s.r.o., CZ Czech 31,744 73,014,509,568 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,584 268,501,000 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 457,216 282,636,229,083,136 IPv4 IPv4 IPv6 IPv6
AS24940 HETZNER-AS - Hetzner Online GmbH, DE Germany 3,043,840 111,669,215,232 IPv4 IPv4 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 IPv4 IPv4 IPv6 IPv6
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 240,518,430,720 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,000 12,884,967,424 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5,888 4,294,967,296 IPv4 IPv4 IPv6 IPv6
as-block:       AS196608 - AS197840
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:        2024-09-04T14:04:38Z
last-modified:  2024-09-04T14:04:38Z
source:         RIPE



aut-num:        AS197307
as-name:        bnet-internet_cz
org:            ORG-CS455-RIPE
import:         from AS16019 accept ANY
import:         from AS6881 accept ANY
import:         from AS47200 accept ANY
import:         from AS112 accept ANY
import:         from AS39392 accept ANY
import:         from AS61195 accept ANY
import:         from AS32934 accept ANY
import:         from AS714 accept ANY
import:         from AS51331 accept ANY
export:         to AS16019 announce AS197307
export:         to AS6881 announce AS197307
export:         to AS47200 announce AS197307
export:         to AS112 announce AS197307
export:         to AS39392 announce AS197307
export:         to AS61195 announce AS197307
export:         to AS32934 announce AS197307
export:         to AS714 announce AS197307
export:         to AS51331 announce AS197307
admin-c:        BBSH1-RIPE
tech-c:         BBSH1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-bnet-business-1-mnt
created:        2010-10-11T13:16:03Z
last-modified:  2026-05-23T15:08:34Z
source:         RIPE

organisation:   ORG-CS455-RIPE
org-name:       Core4Net, s.r.o.
country:        CZ
reg-nr:         04749511
org-type:       LIR
address:        Nakladni 3002/2
address:        74601
address:        Opava
address:        CZECH REPUBLIC
phone:          +420773665080
e-mail:         ripe@bnet-internet.cz
admin-c:        JS18824-RIPE
admin-c:        DP13521-RIPE
tech-c:         JS18824-RIPE
tech-c:         DP13521-RIPE
abuse-c:        AR38476-RIPE
mnt-ref:        cz-core4net-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cz-core4net-1-mnt
created:        2016-11-28T16:16:35Z
last-modified:  2026-05-23T17:18:06Z
source:         RIPE

role:           BNET Business, s.r.o. Hostmaster
address:        BNET Business, s.r.o., Nakladni 3002/2, 74601 Opava, CZ
phone:          +420777665080
e-mail:         ripe@bnet-internet.cz
org:            ORG-BBS15-RIPE
admin-c:        JS18824-RIPE
tech-c:         JS18824-RIPE
tech-c:         JK13894-RIPE
nic-hdl:        BBSH1-RIPE
abuse-mailbox:  abuse@bnet-internet.cz
mnt-by:         cz-bnet-business-1-mnt
created:        2018-07-17T06:46:15Z
last-modified:  2026-05-23T15:41:26Z
source:         RIPE