AS39790 - WEB4U - Web4U s.r.o., CZ

Czech
AS Number
AS39790
AS Name
WEB4U
Org Name
Web4U s.r.o.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2023-08-29T07:47:54Z

AS39790 Looking Glass
https://lg.web4u.cz
IPv4Prefixes

5

IPv6Prefixes

3

IPv4 NUMs

5,120

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
81.91.80.0/21
IRR Valid
Web4U s.r.o. 2048
81.91.80.0/20
IRR InValid
Web4U s.r.o. 4096
81.91.88.0/21
IRR Valid
WEB4U-NET 2048
185.14.224.0/23
IRR Valid
WEB4U-NET-CUST-224-24 512
185.14.224.0/22
IRR InValid
Web4U s.r.o. 1024
CIDR Description IP NUMs(prefix /64)
2001:1568::/33
IRR Valid
Web4U s.r.o. 2147483648
2001:1568::/32
IRR InValid
Web4U s.r.o. 4294967296
2001:1568:8000::/33
IRR Valid
Web4U s.r.o. 2147483648
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 25,856 4,294,967,296 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS263444 Open X Tecnologia Ltda, BR Brazil 2,048 2,147,483,648 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28,416 4,848,746,496 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv4 IPv4 IPv6 IPv6
AS25248 BlueTone-AS - RADIOKOMUNIKACE a.s., CZ Czech 106,752 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5,632 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS199803 ComSource - ComSource s.r.o., CZ Czech 1,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.90 2001:7f8:14::31:2 10 Gbps 2025-01-20 11:01:41
Czech NIX.CZ FENIX 194.50.100.90 2001:7f8:14:5ec::31:2 10 Gbps 2025-01-20 11:01:41
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.89 2001:7f8:14::31:1 10 Gbps 2025-01-20 11:01:41
Czech NIX.CZ FENIX 194.50.100.89 2001:7f8:14:5ec::31:1 10 Gbps 2025-01-20 11:01:41

Private Peering Facilities

Country / Region Name City Website Updated
GTS Telehouse Prague Prague http://www.gtsnovera.cz/ 2019-01-04 13:45:27
DC Tower Zizkov CRa Prague https://www.cra.cz 2019-01-04 13:45:42

Whois Record

as-block AS39601 - AS39935

as-block
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
2023-08-29T07:47:54Z
last-modified
2023-08-29T07:47:54Z
source
RIPE

aut-num AS39790

aut-num
as-name
WEB4U
org
ORG-WS296-RIPE
remarks
===================================================================
===[ UPSTREAM CONNECTIVITY ]=======================================
===================================================================
---[ Comsource ]---
---[ CRA ]---
===================================================================
===[ NIX.CZ IPV4 PEERINGS ]========================================
===================================================================
===================================================================
import
from AS199803 accept ANY
from AS25248 accept ANY
from AS112 accept ANY
from AS13150 accept ANY
from AS13335 accept ANY
from AS15169 accept ANY
from AS15685 accept ANY
from AS15935 accept ANY
from AS16276 accept ANY
from AS16509 accept ANY
from AS20723 accept ANY
from AS21430 accept ANY
from AS24806 accept ANY
from AS24971 accept ANY
from AS25192 accept ANY
from AS25234 accept ANY
from AS25248 accept ANY
from AS25424 accept ANY
from AS25512 accept ANY
from AS2852 accept ANY
from AS29086 accept ANY
from AS29134 accept ANY
from AS29208 accept ANY
from AS34080 accept ANY
from AS35236 accept ANY
from AS35592 accept ANY
from AS38949 accept ANY
from AS39791 accept ANY
from AS41711 accept ANY
from AS42000 accept ANY
from AS43037 accept ANY
from AS43413 accept ANY
from AS43541 accept ANY
from AS47232 accept ANY
from AS47868 accept ANY
from AS49544 accept ANY
from AS61296 accept ANY
from AS6855 accept ANY
from AS6881 accept ANY
from AS6939 accept ANY
from AS8075 accept ANY
from AS8251 accept ANY
from AS8913 accept ANY
export
to AS199803 announce AS-WEB4U
to AS25248 announce AS-WEB4U
to AS112 announce AS-WEB4U
to AS13150 announce AS-WEB4U
to AS13335 announce AS-WEB4U
to AS15169 announce AS-WEB4U
to AS15685 announce AS-WEB4U
to AS15935 announce AS-WEB4U
to AS16276 announce AS-WEB4U
to AS16509 announce AS-WEB4U
to AS20723 announce AS-WEB4U
to AS21430 announce AS-WEB4U
to AS24806 announce AS-WEB4U
to AS24971 announce AS-WEB4U
to AS25192 announce AS-WEB4U
to AS25234 announce AS-WEB4U
to AS25248 announce AS-WEB4U
to AS25424 announce AS-WEB4U
to AS25512 announce AS-WEB4U
to AS2852 announce AS-WEB4U
to AS29086 announce AS-WEB4U
to AS29134 announce AS-WEB4U
to AS29208 announce AS-WEB4U
to AS34080 announce AS-WEB4U
to AS35236 announce AS-WEB4U
to AS35592 announce AS-WEB4U
to AS38949 announce AS-WEB4U
to AS39791 announce AS-WEB4U
to AS41711 announce AS-WEB4U
to AS42000 announce AS-WEB4U
to AS43037 announce AS-WEB4U
to AS43413 announce AS-WEB4U
to AS43541 announce AS-WEB4U
to AS47232 announce AS-WEB4U
to AS47868 announce AS-WEB4U
to AS49544 announce AS-WEB4U
to AS61296 announce AS-WEB4U
to AS6855 announce AS-WEB4U
to AS6881 announce AS-WEB4U
to AS6939 announce AS-WEB4U
to AS8075 announce AS-WEB4U
to AS8251 announce AS-WEB4U
to AS8913 announce AS-WEB4U
mp-import
afi ipv6.unicast from AS199803 accept ANY
afi ipv6.unicast from AS25248 accept ANY
mp-export
afi ipv6.unicast to AS199803 announce AS-WEB4U
afi ipv6.unicast to AS25248 announce AS-WEB4U
admin-c
WM3536-RIPE
tech-c
WM3536-RIPE
status
ASSIGNED
notify
mnt-by
RIPE-NCC-END-MNT
MNT-WEB4U
created
2006-04-25T12:37:01Z
last-modified
2026-07-22T12:11:38Z
source
RIPE

organisation ORG-WS296-RIPE

organisation
ORG-WS296-RIPE
org-name
Web4U s.r.o.
country
CZ
reg-nr
17311501
org-type
LIR
address
Mahlerovy sady 1
13000
Praha 3
CZECH REPUBLIC
phone
+420270001456
e-mail
admin-c
WM3536-RIPE
tech-c
WM3536-RIPE
abuse-c
AR68991-RIPE
mnt-ref
MNT-WEB4U
mnt-by
RIPE-NCC-HM-MNT
MNT-WEB4U
created
2022-09-20T07:29:12Z
last-modified
2026-05-13T07:03:44Z
source
RIPE

role WEB4U network operations

role
WEB4U network operations
address
CZECH REPUBLIC
Praha 3
13000
Mahlerovy sady 1
phone
+420270001456
e-mail
admin-c
FP15631-RIPE
tech-c
FP15631-RIPE
abuse-mailbox
nic-hdl
WM3536-RIPE
mnt-by
MNT-WEB4U
created
2022-09-20T07:29:12Z
last-modified
2022-10-17T12:21:14Z
source
RIPE
 

as-block:       AS39601 - AS39935
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:        2023-08-29T07:47:54Z
last-modified:  2023-08-29T07:47:54Z
source:         RIPE



aut-num:        AS39790
as-name:        WEB4U
org:            ORG-WS296-RIPE
remarks:
remarks:        ===================================================================
remarks:        ===[ UPSTREAM CONNECTIVITY ]=======================================
remarks:        ===================================================================
remarks:
remarks:        ---[ Comsource ]---
import:         from AS199803 accept ANY
export:         to AS199803 announce AS-WEB4U
mp-import:      afi ipv6.unicast from AS199803 accept ANY
mp-export:      afi ipv6.unicast to AS199803 announce AS-WEB4U
remarks:        ---[ CRA ]---
import:         from AS25248 accept ANY
export:         to AS25248 announce AS-WEB4U
mp-import:      afi ipv6.unicast from AS25248 accept ANY
mp-export:      afi ipv6.unicast to AS25248 announce AS-WEB4U
remarks:
remarks:        ===================================================================
remarks:        ===[ NIX.CZ IPV4 PEERINGS ]========================================
remarks:        ===================================================================
remarks:
import:         from AS112 accept ANY
import:         from AS13150 accept ANY
import:         from AS13335 accept ANY
import:         from AS15169 accept ANY
import:         from AS15685 accept ANY
import:         from AS15935 accept ANY
import:         from AS16276 accept ANY
import:         from AS16509 accept ANY
import:         from AS20723 accept ANY
import:         from AS21430 accept ANY
import:         from AS24806 accept ANY
import:         from AS24971 accept ANY
import:         from AS25192 accept ANY
import:         from AS25234 accept ANY
import:         from AS25248 accept ANY
import:         from AS25424 accept ANY
import:         from AS25512 accept ANY
import:         from AS2852 accept ANY
import:         from AS29086 accept ANY
import:         from AS29134 accept ANY
import:         from AS29208 accept ANY
import:         from AS34080 accept ANY
import:         from AS35236 accept ANY
import:         from AS35592 accept ANY
import:         from AS38949 accept ANY
import:         from AS39791 accept ANY
import:         from AS41711 accept ANY
import:         from AS42000 accept ANY
import:         from AS43037 accept ANY
import:         from AS43413 accept ANY
import:         from AS43541 accept ANY
import:         from AS47232 accept ANY
import:         from AS47868 accept ANY
import:         from AS49544 accept ANY
import:         from AS61296 accept ANY
import:         from AS6855 accept ANY
import:         from AS6881 accept ANY
import:         from AS6939 accept ANY
import:         from AS8075 accept ANY
import:         from AS8251 accept ANY
import:         from AS8913 accept ANY
export:         to AS112 announce AS-WEB4U
export:         to AS13150 announce AS-WEB4U
export:         to AS13335 announce AS-WEB4U
export:         to AS15169 announce AS-WEB4U
export:         to AS15685 announce AS-WEB4U
export:         to AS15935 announce AS-WEB4U
export:         to AS16276 announce AS-WEB4U
export:         to AS16509 announce AS-WEB4U
export:         to AS20723 announce AS-WEB4U
export:         to AS21430 announce AS-WEB4U
export:         to AS24806 announce AS-WEB4U
export:         to AS24971 announce AS-WEB4U
export:         to AS25192 announce AS-WEB4U
export:         to AS25234 announce AS-WEB4U
export:         to AS25248 announce AS-WEB4U
export:         to AS25424 announce AS-WEB4U
export:         to AS25512 announce AS-WEB4U
export:         to AS2852 announce AS-WEB4U
export:         to AS29086 announce AS-WEB4U
export:         to AS29134 announce AS-WEB4U
export:         to AS29208 announce AS-WEB4U
export:         to AS34080 announce AS-WEB4U
export:         to AS35236 announce AS-WEB4U
export:         to AS35592 announce AS-WEB4U
export:         to AS38949 announce AS-WEB4U
export:         to AS39791 announce AS-WEB4U
export:         to AS41711 announce AS-WEB4U
export:         to AS42000 announce AS-WEB4U
export:         to AS43037 announce AS-WEB4U
export:         to AS43413 announce AS-WEB4U
export:         to AS43541 announce AS-WEB4U
export:         to AS47232 announce AS-WEB4U
export:         to AS47868 announce AS-WEB4U
export:         to AS49544 announce AS-WEB4U
export:         to AS61296 announce AS-WEB4U
export:         to AS6855 announce AS-WEB4U
export:         to AS6881 announce AS-WEB4U
export:         to AS6939 announce AS-WEB4U
export:         to AS8075 announce AS-WEB4U
export:         to AS8251 announce AS-WEB4U
export:         to AS8913 announce AS-WEB4U
remarks:
remarks:        ===================================================================
remarks:
admin-c:        WM3536-RIPE
tech-c:         WM3536-RIPE
status:         ASSIGNED
notify:         [email protected]
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-WEB4U
created:        2006-04-25T12:37:01Z
last-modified:  2026-07-22T12:11:38Z
source:         RIPE

organisation:   ORG-WS296-RIPE
org-name:       Web4U s.r.o.
country:        CZ
reg-nr:         17311501
org-type:       LIR
address:        Mahlerovy sady 1
address:        13000
address:        Praha 3
address:        CZECH REPUBLIC
phone:          +420270001456
e-mail:         [email protected]
admin-c:        WM3536-RIPE
tech-c:         WM3536-RIPE
abuse-c:        AR68991-RIPE
mnt-ref:        MNT-WEB4U
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-WEB4U
created:        2022-09-20T07:29:12Z
last-modified:  2026-05-13T07:03:44Z
source:         RIPE

role:           WEB4U network operations
address:        CZECH REPUBLIC
address:        Praha 3
address:        13000
address:        Mahlerovy sady 1
phone:          +420270001456
e-mail:         [email protected]
admin-c:        FP15631-RIPE
tech-c:         FP15631-RIPE
abuse-mailbox:  [email protected]
nic-hdl:        WM3536-RIPE
mnt-by:         MNT-WEB4U
created:        2022-09-20T07:29:12Z
last-modified:  2022-10-17T12:21:14Z
source:         RIPE