AS Name
WEB4U
Org Name
Web4U s.r.o.
Registry Region
Czech
Looking Glass
https://lg.web4u.cz
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

5,120

IPv6 NUMs(/64)

4,294,967,296

5,120 IPv4 Addresses
CIDR Description IP Num
81.91.80.0/20 Web4U s.r.o. 4096
185.14.224.0/22 Web4U s.r.o. 1024
CIDR Description IP NUMs(prefix /64)
2001:1568::/32 Web4U s.r.o. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 55,296 42,950,524,928 IPv4 IPv4 IPv6 IPv6
AS25248 BlueTone-AS - RADIOKOMUNIKACE a.s., CZ Czech 107,776 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 256 0 IPv4 IPv4
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,840 4,294,967,296 IPv4 IPv4
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518,656 286,144,143,556,608 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS36236 NETACTUATE - NetActuate, Inc, US United States 98,560 5,933,563,904 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,680 68,719,476,736 IPv4 IPv4
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS6830 LGI-UPC - Liberty Global B.V., AT Austria 12,215,296 1,009,619,763,200 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.89 2001:7f8:14::31:1 10 Gbps 2019-01-04 13:42:54
Czech NIX.CZ FENIX 194.50.100.90 2001:7f8:14:5ec::31:2 10 Gbps 2020-04-28 11:18:54
Czech NIX.CZ FENIX 194.50.100.89 2001:7f8:14:5ec::31:1 10 Gbps 2020-04-28 11:18:10
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.90 2001:7f8:14::31:2 10 Gbps 2019-01-04 13:43:57

Private Peering Facilities

Country/Region Name City Website Updated
GTS Telehouse Prague Prague http://www.gtsnovera.cz/ 2019-01-04 13:45:27
TVPM - Zizkov Prague Prague http://www.radiokomunikace.cz/ 2019-01-04 13:45:42
IP Address Domain NUMs Domains
81.91.80.69 13 avatech.eu
81.91.80.73 8 cameratastamic.cz
81.91.80.83 3 hosting.sales.cz
81.91.80.84 1 eso901.komtesa.com
81.91.80.92 9 adrijan.cz
81.91.80.93 11 googleprofirmy.cz
81.91.80.134 1 test.euronabycerny.com
81.91.80.136 23 autoconfig.eurona.cz
81.91.80.139 2 czechsoles.com
81.91.80.141 1 vw283.server4u.cz
as-block:       AS38912 - 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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS39790
as-name:        WEB4U
org:            ORG-Ws11-RIPE
remarks:
remarks:        ===================================================================
remarks:        ===[ UPSTREAM CONNECTIVITY ]=======================================
remarks:        ===================================================================
remarks:
remarks:        ---[ UPC ]---
import:         from AS6830 accept ANY
export:         to AS6830 announce AS-WEB4U
mp-import:      afi ipv6.unicast from AS6830 accept ANY
mp-export:      afi ipv6.unicast to AS6830 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:
remarks:        ---[ AS112 ]---
import:         from AS112 accept ANY
export:         to AS112 announce AS-WEB4U
remarks:        ---[ CESNET2 ]---
import:         from AS2852 accept ANY
export:         to AS2852 announce AS-WEB4U
remarks:        ---[ GTSCE ]---
import:         from AS5588 accept ANY
export:         to AS5588 announce AS-WEB4U
remarks:        ---[ O2-CZECH-REPUBLIC ]---
import:         from AS5610 accept ANY
export:         to AS5610 announce AS-WEB4U
remarks:        ---[ NIXCZ ]---
import:         from AS6881 accept ANY
export:         to AS6881 announce AS-WEB4U
remarks:        ---[ HURRICANE  ]---
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-WEB4U
remarks:        ---[ NFX_ZSPO ]---
import:         from AS8251 accept ANY
export:         to AS8251 announce AS-WEB4U
remarks:        ---[ IPNet ]---
import:         from AS8913 accept ANY
export:         to AS8913 announce AS-WEB4U
remarks:        ---[ ITSELF ]---
import:         from AS12570 accept ANY
export:         to AS12570 announce AS-WEB4U
remarks:        ---[ CASABLANCA ]---
import:         from AS15685 accept ANY
export:         to AS15685 announce AS-WEB4U
remarks:        ---[ HA-VEL ]---
import:         from AS15935 accept ANY
export:         to AS15935 announce AS-WEB4U
remarks:        ---[ VODAFONE-CZ ]---
import:         from AS16019 accept ANY
export:         to AS16019 announce AS-WEB4U
remarks:        ---[ NEJ ]---
import:         from AS16246 accept ANY
export:         to AS16246 announce AS-WEB4U
remarks:        ---[ OVH ]---
import:         from AS16276 accept ANY
export:         to AS16276 announce AS-WEB4U
remarks:        ---[ MGI ]---
import:         from AS20723 accept ANY
export:         to AS20723 announce AS-WEB4U
remarks:        ---[ WIA ]---
import:         from AS21430 accept ANY
export:         to AS21430 announce AS-WEB4U
remarks:        ---[ INTERNET-CZ ]---
import:         from AS24806 accept ANY
export:         to AS24806 announce AS-WEB4U
remarks:        ---[ MASTER ]---
import:         from AS24971 accept ANY
export:         to AS24971 announce AS-WEB4U
remarks:        ---[ CZNIC ]---
import:         from AS25192 accept ANY
export:         to AS25192 announce AS-WEB4U
remarks:        ---[ GLOBE ]---
import:         from AS25234 accept ANY
export:         to AS25234 announce AS-WEB4U
remarks:        ---[ BlueTone ]---
import:         from AS25248 accept ANY
export:         to AS25248 announce AS-WEB4U
remarks:        ---[ INEXT-CZ ]---
import:         from AS25424 accept ANY
export:         to AS25424 announce AS-WEB4U
remarks:        ---[ CDT ]---
import:         from AS25512 accept ANY
export:         to AS25512 announce AS-WEB4U
remarks:        ---[ FORTECH-CZ ]---
import:         from AS28851 accept ANY
export:         to AS28851 announce AS-WEB4U
remarks:        ---[ MSOFT ]---
import:         from AS28972 accept ANY
export:         to AS28972 announce AS-WEB4U
remarks:        ---[ GITY ]---
import:         from AS29086 accept ANY
export:         to AS29086 announce AS-WEB4U
remarks:        ---[ IGNUM ]---
import:         from AS29134 accept ANY
export:         to AS29134 announce AS-WEB4U
remarks:        ---[ CZNIC-F-ROOT ]---
import:         from AS30134 accept ANY
export:         to AS30134 announce AS-WEB4U
remarks:        ---[ NETBOX ]---
import:         from AS31246 accept ANY
export:         to AS31246 announce AS-WEB4U
remarks:        ---[ MIRAMO ]---
import:         from AS34080 accept ANY
export:         to AS34080 announce AS-WEB4U
remarks:        ---[ OXID ]---
import:         from AS35214 accept ANY
export:         to AS35214 announce AS-WEB4U
remarks:        ---[ 2CONNECT ]---
import:         from AS35236 accept ANY
export:         to AS35236 announce AS-WEB4U
remarks:        ---[ GREPNET ]---
import:         from AS35361 accept ANY
export:         to AS35361 announce AS-WEB4U
remarks:        ---[ COOLHOUSING ]---
import:         from AS35592 accept ANY
export:         to AS35592 announce AS-WEB4U
remarks:        ---[ TRESTEL-SK ]---
import:         from AS38949 accept ANY
export:         to AS38949 announce AS-WEB4U
remarks:        ---[ DAT-AS ]---
import:         from AS39235 accept ANY
export:         to AS39235 announce AS-WEB4U
remarks:        ---[ CEZNET ]---
import:         from AS39791 accept ANY
export:         to AS39791 announce AS-WEB4U
remarks:        ---[ OVANET ]---
import:         from AS39817 accept ANY
export:         to AS39817 announce AS-WEB4U
remarks:        ---[ FREETEL-AS ]---
import:         from AS41711 accept ANY
export:         to AS41711 announce AS-WEB4U
remarks:        ---[ KAORA ]---
import:         from AS42000 accept ANY
export:         to AS42000 announce AS-WEB4U
remarks:        ---[ EDERA_Group ]---
import:         from AS42306 accept ANY
export:         to AS42306 announce AS-WEB4U
remarks:        ---[ SEZNAM-CZ ]---
import:         from AS43037 accept ANY
export:         to AS43037 announce AS-WEB4U
remarks:        ---[ ASNEW ]---
import:         from AS43413 accept ANY
export:         to AS43413 announce AS-WEB4U
remarks:        ---[ VSHOSTING ]---
import:         from AS43541 accept ANY
export:         to AS43541 announce AS-WEB4U
remarks:        ---[ METRONET ]---
import:         from AS43708 accept ANY
export:         to AS43708 announce AS-WEB4U
remarks:        ---[ ISPAlliance ]---
import:         from AS47232 accept ANY
export:         to AS47232 announce AS-WEB4U
remarks:        ---[ SUPRO ]---
import:         from AS47868 accept ANY
export:         to AS47868 announce AS-WEB4U
remarks:        ---[ TechCom ]---
import:         from AS61296 accept ANY
export:         to AS61296 announce AS-WEB4U
remarks:        ---[ M-NET ]---
import:         from AS197197 accept ANY
export:         to AS197197 announce AS-WEB4U
remarks:        ---[ PANTELSK ]---
import:         from AS197284 accept ANY
export:         to AS197284 announce AS-WEB4U
remarks:
remarks:        ===================================================================
remarks:        ===[ NIX.CZ IPV6 PEERINGS ]========================================
remarks:        ===================================================================
remarks:
remarks:        ---[ CESNET2 ]---
mp-import:      afi ipv6.unicast from AS2852 accept ANY
mp-export:      afi ipv6.unicast to AS2852 announce AS-WEB4U
remarks:        ---[ GTSCE ]---
mp-import:      afi ipv6.unicast from AS5588 accept ANY
mp-export:      afi ipv6.unicast to AS5588 announce AS-WEB4U
remarks:        ---[ NIXCZ ]---
mp-import:      afi ipv6.unicast from AS6881 accept ANY
mp-export:      afi ipv6.unicast to AS6881 announce AS-WEB4U
remarks:        ---[ HURRICANE ]---
mp-import:      afi ipv6.unicast from AS6939 accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS-WEB4U
remarks:        ---[ CASABLANCA ]---
mp-import:      afi ipv6.unicast from AS15685 accept ANY
mp-export:      afi ipv6.unicast to AS15685 announce AS-WEB4U
remarks:        ---[ NEJ ]---
mp-import:      afi ipv6.unicast from AS16246 accept ANY
mp-export:      afi ipv6.unicast to AS16246 announce AS-WEB4U
remarks:        ---[ WIA ]---
mp-import:      afi ipv6.unicast from AS21430 accept ANY
mp-export:      afi ipv6.unicast to AS21430 announce AS-WEB4U
remarks:        ---[ INTERNET-CZ ]---
mp-import:      afi ipv6.unicast from AS24806 accept ANY
mp-export:      afi ipv6.unicast to AS24806 announce AS-WEB4U
remarks:        ---[ GLOBES ]---
mp-import:      afi ipv6.unicast from AS25234 accept ANY
mp-export:      afi ipv6.unicast to AS25234 announce AS-WEB4U
remarks:        ---[ CDT ]---
mp-import:      afi ipv6.unicast from AS25512 accept ANY
mp-export:      afi ipv6.unicast to AS25512 announce AS-WEB4U
remarks:        ---[ CZNIC-F-ROOT ]---
mp-import:      afi ipv6.unicast from AS30134 accept ANY
mp-export:      afi ipv6.unicast to AS30134 announce AS-WEB4U
remarks:        ---[ 2CONNECT ]---
mp-import:      afi ipv6.unicast from AS35236 accept ANY
mp-export:      afi ipv6.unicast to AS35236 announce AS-WEB4U
remarks:        ---[ CEZNET ]---
mp-import:      afi ipv6.unicast from AS39791 accept ANY
mp-export:      afi ipv6.unicast to AS39791 announce AS-WEB4U
remarks:        ---[ M-NET ]---
mp-import:      afi ipv6.unicast from AS197197 accept ANY
mp-export:      afi ipv6.unicast to AS197197 announce AS-WEB4U
remarks:
admin-c:        MK6081-RIPE
tech-c:         MK6081-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-WEB4U
created:        2006-04-25T12:37:01Z
last-modified:  2019-02-28T11:45:50Z
source:         RIPE # Filtered

organisation:   ORG-WS11-RIPE
org-name:       Web4U s.r.o.
org-type:       LIR
address:        Pravdova 837
address:        37701
address:        Jindrichuv Hradec II
address:        CZECH REPUBLIC
phone:          +420270001456
admin-c:        MK6081-RIPE
admin-c:        OF156-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-WEB4U
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-WEB4U
abuse-c:        WM2524-RIPE
created:        2006-03-29T09:57:18Z
last-modified:  2019-01-04T12:50:53Z
source:         RIPE # Filtered

person:         Martin Kukacka
address:        Jakubska 293
address:        Jindrichuv Hradec
address:        Czech Republic
phone:          +420270001456
nic-hdl:        MK6081-RIPE
mnt-by:         MNT-WEB4U
created:        2006-04-23T21:56:10Z
last-modified:  2019-01-09T09:46:49Z
source:         RIPE # Filtered