AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
CERBEROS Cerberos s.r.o. 3 1 5,120 4,294,967,296 Czech
5,120 IPv4 Addresses
CIDR Description IP Num
81.25.16.0/21 CERBEROSNET 2048
109.234.40.0/21 CERBEROSNET 2048
185.255.116.0/22 Cerberos s.r.o. 1024
CIDR Description IP NUMs(prefix /64)
2a00:1800::/32 Cerberos s.r.o. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS57463 NETIX, BG Bulgaria 512 0 IPv4 IPv4
AS60501 SIRIUSTEC-, IT Italy 4,096 107,374,182,400 IPv4 IPv4
AS5394 UNIDATA Unidata S.p.A. NOC - Italy, IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS33891 CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK, DE Germany 13,312 0 IPv4 IPv4
AS50629 LWLCOM, DE Germany 84,224 180,388,691,968 IPv4 IPv4
AS20764 RASCOM-AS CJSC RASCOM ISP, RU Russian Federation 13,568 34,359,869,440 IPv4 IPv4
AS35369 LINZAG-TELEKOM-AS, AT Austria 69,888 4,294,967,296 IPv4 IPv4
AS43531 IXREACH, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4
AS61955 COLOCATIONIX-AS, DE Germany 1,280 2,162,688 IPv4 IPv4
AS267613 ELETRONET S.A., BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS6881 NIXCZ NIX.CZ z.s.p.o., CZ Czech 3,328 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 524,800 282,707,901,349,888 IPv4 IPv4
AS8218 NEO-ASN legacy Neotelecoms, FR France 56,576 42,950,524,928 IPv4 IPv4
AS34224 NETERRA-AS, BG Bulgaria 57,088 4,294,967,296 IPv4 IPv4
AS8447 TELEKOM-AT A1 Telekom Austria AG, AT Austria 2,257,664 38,655,033,344 IPv4 IPv4
AS20562 OPEN-PEERING-AS Open Peering Initiative, Amsterdam, The Netherlands, NL Netherlands 2,048 0 IPv4 IPv4
AS29504 LBCFREE, CZ Czech 1,024 34,359,738,368 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 98,304 5,933,498,368 IPv4 IPv4
AS39120 CONVERGENZE-AS ISP services in Italy, IT Italy 91,648 4,294,967,296 IPv4 IPv4
AS39392 SUPERNETWORK \(^_^)/, CZ Czech 31,488 38,654,705,664 IPv4 IPv4
AS47692 NESSUS, AT Austria 31,232 38,654,967,808 IPv4 IPv4
AS210283 PITCOM, GB United Kingdom 256 1,114,112 IPv4 IPv4
AS15685 CASABLANCA-AS Internet & Collocation Provider, CZ Czech 83,456 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP SG.GS, SG Singapore 22,848 4,294,967,296 IPv4 IPv4
AS34779 T-2-AS AS set propagated by T-2, d.o.o., SI Slovenia 201,728 34,359,738,368 IPv4 IPv4
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS47913 CERBEROSLB, CZ Czech 2,048 0 IPv4 IPv4
AS197444 ASCOMFEEL, CZ Czech 1,024 65,536 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 91.210.16.208 2001:7f8:14::43:2 1 Gbps 2018-03-30 14:24:26
Czech Peering.cz - Peering.cz eXchange 91.213.211.61 2001:7f8:7f::61 10 Gbps 2018-03-30 14:26:41
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.209 2001:7f8:14::43:1 10 Gbps 2018-03-30 14:28:50
Czech Peering.cz - Peering.cz eXchange 91.213.211.60 2001:7f8:7f::60 10 Gbps 2018-03-30 14:28:50

Private Peering Facilities

Country/Region Name City Website Updated
GTS Telehouse Prague Prague http://www.gtsnovera.cz/ 2016-03-14 21:18:27
CE Colo Prague Prague http://www.cecolo.com/ 2016-03-14 20:43:40
IP Address Domain NUMs Domains
81.25.16.148 2 centrpco.com
81.25.16.202 1 cetel.cz
81.25.16.204 5 cbsn.cz
81.25.16.211 1 stajner.cz
81.25.16.219 1 ns1.cbsn.cz
81.25.16.220 2 mx1.cbsmail.cz
81.25.16.224 1 kmail.cbsmail.cz
81.25.16.230 55 2pnet.de
81.25.16.231 2 heliosmb.cz
81.25.16.236 1 mxin1.cbsmail.cz
as-block:       AS42383 - AS45055
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:        AS42477
as-name:        CERBEROS
remarks:        =====Upstream connectivity =====
remarks:        -- Supernetwork --
import:         from AS39392 accept ANY
export:         to AS39392 announce AS-SET-CBS
remarks:        -- GTS ce --
import:         from AS5588 accept ANY
export:         to AS5588 announce AS-SET-CBS
remarks:        -- Casablanca --
import:         from AS15685 accept ANY
export:         to AS15685 announce AS-SET-CBS
remarks:        ===== MB Transit Customers =====
remarks:        -- Comfeel --
import:         from AS197444 accept AS197444
export:         to AS197444 announce ANY
remarks:        ===== LB Peers =====
import:         from AS47913 accept AS47913
export:         to AS47913 announce ANY
remarks:        ===== NIX peerings=====
remarks:        -- NIX RS --
import:         from AS47200 accept ANY
export:         to AS47200 announce AS-SET-CBS
remarks:        -- GiTy,a.s. --
import:         from AS29086 accept AS-GITY
export:         to AS29086 announce AS-SET-CBS
remarks:        -- Trestel SK, a.s. --
import:         from AS38949 accept AS38949
export:         to AS38949 announce AS-SET-CBS
remarks:        -- NEW TELEKOM, s.r.o. --
import:         from AS43413 accept AS43413
export:         to AS43413 announce AS-SET-CBS
remarks:        -- Pantel CZ --
import:         from AS197284 accept AS-INVITELSK
export:         to AS197284 announce AS-SET-CBS
remarks:        -- NIX.CZ, z.s.p.o. --
import:         from AS6881 accept AS-NIX
export:         to AS6881 announce AS-SET-CBS
remarks:        -- Dial-telecom --
import:         from AS29208 accept ANY
export:         to AS29208 announce AS-SET-CBS
remarks:        -- HURICANE --
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-SET-CBS
remarks:        -- T-mobile --
import:         from AS13036 accept ANY
export:         to AS13036 announce AS-SET-CBS
remarks:        -- CESNET --
import:         from AS2852 accept ANY
export:         to AS2852 announce AS-SET-CBS
remarks:        -- WIA --
import:         from AS21430 accept ANY
export:         to AS21430 announce AS-SET-CBS
remarks:        -- CENTRONET --
import:         from AS29321 accept ANY
export:         to AS29321 announce AS-SET-CBS
remarks:        -- KIT digital Czech --
import:         from AS41711 accept ANY
export:         to AS41711 announce AS-SET-CBS
remarks:        ===== Peering.cz peerings=====
remarks:        -- CORE-BACKBONE --
import:         from AS33891 accept ANY
export:         to AS33891 announce AS-SET-CBS
remarks:        -- SITKOM --
import:         from AS49931 accept ANY
export:         to AS49931 announce AS-SET-CBS
remarks:        -- Master Internet --
import:         from AS24971 accept ANY
export:         to AS24971 announce AS-SET-CBS
org:            ORG-Cs63-RIPE
admin-c:        JP2969-RIPE
tech-c:         VO1009-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CERBEROS
created:        2007-02-28T08:29:12Z
last-modified:  2018-09-04T10:22:24Z
source:         RIPE # Filtered

organisation:   ORG-CS63-RIPE
org-name:       Cerberos s.r.o.
org-type:       LIR
address:        Blahoslavova 184
address:        29301
address:        MLADA BOLESLAV
address:        CZECH REPUBLIC
phone:          +420326100000
admin-c:        VO1009-RIPE
admin-c:        JP2969-RIPE
abuse-c:        CSRA1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CERBEROS
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CERBEROS
created:        2006-02-21T13:03:13Z
last-modified:  2019-04-12T09:30:59Z
source:         RIPE # Filtered

person:         Jaroslav Polivka
address:        CERBEROS s.r.o.
address:        Blahoslavova 184
address:        Mlada Boleslav
address:        293 01
address:        Czech Republic
phone:          +420326100000
nic-hdl:        JP2969-RIPE
mnt-by:         MNT-CERBEROS
created:        2005-02-23T15:29:57Z
last-modified:  2017-10-30T21:46:36Z
source:         RIPE # Filtered

person:         Vitalij Osypenko
address:        Jestrabi 974/1, Liberec, 46001, Czech republic
phone:          +420732888886
nic-hdl:        VO1009-RIPE
mnt-by:         ATAN-MNT
created:        2016-05-23T13:50:28Z
last-modified:  2017-11-24T15:14:47Z
source:         RIPE