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

AS Number

AS39790

AS Name

WEB4U

Org Name

Web4U s.r.o.

Country

Czech

Registry

ripe

RegDate

Updated

2023-08-29T07:47:54Z

AS39790 Looking Glass

https://lg.web4u.cz

IPv4Prefixes

IPv6Prefixes

IPv4 NUMs

5,120

IPv6 NUMs(/64)

4,294,967,296

5,120 IPv4 Addresses

IPv4 Ranges
IPv6 Ranges

CIDR	Description	IP Num
81.91.80.0/21	Web4U s.r.o.	2048
81.91.80.0/20	Web4U s.r.o.	4096
81.91.88.0/21	WEB4U-NET	2048
185.14.224.0/23	WEB4U-NET-CUST-224-24	512
185.14.224.0/22	Web4U s.r.o.	1024

CIDR	Description	IP NUMs(prefix /64)
2001:1568::/33	Web4U s.r.o.	2147483648
2001:1568::/32	Web4U s.r.o.	4294967296
2001:1568:8000::/33	Web4U s.r.o.	2147483648

AS	Description	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS24482	SGGS-AS-AP - SG.GS, SG	20,992	4,294,967,296	IPv4	IPv6
AS32590	VALVE-CORPORATION - Valve Corporation, US	13,568	2,293,760	IPv4	IPv6
AS57463	NetIX - NetIX Communications JSC, BG	256	0	IPv4
AS199803	ComSource - ComSource s.r.o., CZ	1,536	4,294,967,296	IPv4	IPv6
AS40994	Alwyzon - Hohl IT e.U., AT	5,888	38,654,705,664	IPv4	IPv6
AS53062	GGNET TELECOMUNICACOES LTDA, BR	28,160	17,465,212,928	IPv4
AS4455	BSO - IX Reach Ltd, GB	64,256	12,884,967,424	IPv4
AS6204	ZET-NET - INTERKVM HOST SRL, RO	2,816	268,500,999	IPv4
AS6663	TTI-NET - Euroweb Romania S.R.L., RO	39,680	6,442,450,944	IPv4
AS22356	Durand do Brasil Ltda, BR	28,672	4,294,967,296	IPv4
AS60602	INOVARE-AS - Inovare-Prim SRL, MD	3,584	4,294,967,296	IPv4
AS263444	Open X Tecnologia Ltda, BR	2,048	2,147,483,648	IPv4
AS1764	NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT	84,736	236,223,463,424	IPv4	IPv6
AS8218	NEO-ASN - Zayo Infrastructure France SA, FR	47,104	12,884,967,424	IPv4	IPv6
AS25248	BlueTone-AS - RADIOKOMUNIKACE a.s., CZ	106,752	4,295,032,832	IPv4	IPv6
AS39120	CONVERGENZE-AS - Convergenze S.p.A., IT	42,496	17,179,869,184	IPv4
AS6939	HURRICANE - Hurricane Electric LLC, US	456,704	283,043,982,540,800	IPv4	IPv6
AS14840	BR.Digital Telecom, BR	72,960	14,010,613,760	IPv4
AS49544	i3Dnet - i3D.net B.V, NL	116,992	356,753,080,320	IPv4	IPv6
AS51184	FONIRA - Fonira Telekom GmbH, AT	13,824	111,669,149,696	IPv4	IPv6

Peers at this Exchange Point

IX	IPv4	IPv6	Port Speed	Updated
NIX.CZ FENIX	194.50.100.90	2001:7f8:14:5ec::31:2	10 Gbps	2025-01-20 11:01:41
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
NIX.CZ FENIX	194.50.100.89	2001:7f8:14:5ec::31:1	10 Gbps	2025-01-20 11:01:41
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

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

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:         ripe@web4u.cz
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:         ripe@web4u.cz
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:         praha@web4u.cz
admin-c:        FP15631-RIPE
tech-c:         FP15631-RIPE
abuse-mailbox:  abuse@web4u.cz
nic-hdl:        WM3536-RIPE
mnt-by:         MNT-WEB4U
created:        2022-09-20T07:29:12Z
last-modified:  2022-10-17T12:21:14Z
source:         RIPE

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

AS39790

WEB4U

Web4U s.r.o.

Czech

https://lg.web4u.cz

Peers at this Exchange Point

Private Peering Facilities