AS Number
AS Name
Org Name
ComSource s.r.o.
Country / Region





AS199803 Looking Glass






IPv6 NUMs(/64)


1,536 IPv4 Addresses
CIDR Description IP Num
ROA Signed and Valid IRR Valid
ComSource s.r.o. 1024
ROA Signed and Valid IRR Valid
ComSource-Service 512
CIDR Description IP NUMs(prefix /64)
ROA Signed and Valid IRR Valid
ComSource s.r.o. 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 87,552 244,813,398,016 IPv4 IPv4 IPv6 IPv6
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 30,030,968 77,329,203,200 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 55,296 12,884,967,424 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 38,144 12,884,901,888 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 229,376 85,920,317,440 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 509,440 282,666,035,576,832 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,616 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS14840 COMMCORP COMUNICACOES LTDA, BR Brazil 63,488 15,083,634,688 IPv4 IPv4
AS40994 Alwyzon - Hohl IT e.U., AT Austria 2,560 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - B.V, NL Netherlands 101,376 341,184,020,480 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS51013 WEBSUPPORT-SRO-SK-AS - WebSupport s.r.o., SK Slovakia 9,472 4,295,163,904 IPv4 IPv4
AS24641 FASTER-AS - FASTER CZ spol. s r.o., CZ Czech 17,920 8,589,934,592 IPv4 IPv4
AS25234 GLOBE-AS - ACTIVE 24, s.r.o., CZ Czech 7,680 8,590,000,128 IPv4 IPv4 IPv6 IPv6
AS35236 AS35236 - 2 connect a.s., CZ Czech 10,496 55,834,574,848 IPv4 IPv4
AS39790 WEB4U - Web4U s.r.o., CZ Czech 5,120 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS206142 InternetTV - Internet TV, Inc., US United States 512 0 IPv4 IPv4
AS206591 ALZACZ-AS - a.s., CZ Czech 256 0 IPv4 IPv4
AS35592 COOLHOUSING-AS - Coolhousing s.r.o., CZ Czech 12,544 4,294,967,296 IPv4 IPv4
AS201730 DataSpring - Aricoma Systems a.s., CZ Czech 7,168 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS202682 g2server - Geetoo Technology s.r.o., CZ Czech 2,048 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS205055 g2server-sk - G2 server SK s.r.o., SK Slovakia 1,024 4,294,967,296 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 2001:7f8:14::83:1 100 Gbps 2021-12-15 07:31:29
Slovakia NIX.SK - Neutral Internet eXchange Slovakia 2001:7f8:91::22:1 10 Gbps 2021-12-15 07:25:15
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 2001:7f8:14::83:2 10 Gbps 2021-12-15 07:32:35
Czech NIX.CZ FENIX 2001:7f8:14:5ec::83:1 100 Gbps 2021-12-15 07:59:02
Czech NIX.CZ FENIX 2001:7f8:14:5ec::83:2 10 Gbps 2021-12-15 07:55:35

Private Peering Facilities

Country / Region Name City Website Updated
CE Colo Prague Prague 2016-03-14 20:59:09
DC Tower Zizkov CRa Prague 2021-12-15 07:08:14
IP Address Domain NUMs Domains 1 2 20, 15 5 257
as-block:       AS196608 - AS207419
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:        2022-08-23T17:19:53Z
last-modified:  2022-08-23T17:19:53Z
source:         RIPE

aut-num:        AS199803
as-name:        ComSource
org:            ORG-CS265-RIPE
import:         from AS-NIXCZ-CLIENTS accept AS-NIXCZ-CLIENTS
import:         from AS-NIXSK-RSCLIENTS accept AS-NIXSK-RSCLIENTS
import:         from AS33891 accept ANY
import:         from AS3257 accept ANY
import:         from AS197284 accept ANY
import:         from AS201730 accept AS-CZ-DS
import:         from AS25234 accept ANY
import:         from AS51013 accept ANY
import:         from AS35236 accept ANY
import:         from AS50825 accept ANY
import:         from AS35592 accept ANY
import:         from AS206142 accept ANY
import:         from AS1299 accept ANY
import:         from AS205233 accept ANY
export:         to AS-NIXCZ-CLIENTS announce AS-COMSOURCE
export:         to AS-NIXSK-RSCLIENTS announce AS-COMSOURCE
export:         to AS33891 announce AS-COMSOURCE
export:         to AS3257 announce AS-COMSOURCE
export:         to AS197284 announce AS-COMSOURCE
export:         to AS201730 announce AS-COMSOURCE
export:         to AS25234 announce AS-COMSOURCE
export:         to AS35236 announce AS-COMSOURCE
export:         to AS50825 announce AS-COMSOURCE
export:         to AS35592 announce AS-COMSOURCE
export:         to AS206142 announce AS-COMSOURCE
export:         to AS1299 announce AS-COMSOURCE
export:         to AS51013 announce AS-COMSOURCE
admin-c:        AK19798-RIPE
tech-c:         AK19798-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-comsource
created:        2014-01-21T11:22:52Z
last-modified:  2022-07-27T10:45:44Z
source:         RIPE

organisation:   ORG-CS265-RIPE
org-name:       ComSource s.r.o.
country:        CZ
org-type:       LIR
address:        Nad Vrsovskou horou 1423/10
address:        10100
address:        Prague 10
address:        CZECH REPUBLIC
phone:          +420226801700
abuse-c:        COMS-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        mnt-comsource
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-comsource
created:        2014-01-20T11:11:57Z
last-modified:  2022-05-02T12:27:19Z
source:         RIPE

person:         Antonin Kovar
address:        Nad Vrsovskou horou 1423/10
address:        Praha 10
address:        Czech Republic
address:        10100
phone:          +420226801700
nic-hdl:        AK19798-RIPE
mnt-by:         mnt-comsource
created:        2019-02-13T12:29:46Z
last-modified:  2019-02-13T12:29:46Z
source:         RIPE