AS Number
AS199803
AS Name
ComSource
Org Name
ComSource s.r.o.
Country
Czech
Registry

ripe

RegDate

Updated

2025-11-24T15:16:53Z

AS199803 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

1,536

IPv6 NUMs(/64)

4,294,967,296

1,536 IPv4 Addresses
CIDR Description IP Num
185.45.200.0/22
ROA Signed and Valid IRR Valid
ComSource s.r.o. 1024
185.138.108.0/23
ROA Signed and Valid IRR Valid
ComSource-Service 512
CIDR Description IP NUMs(prefix /64)
2a01:7fe0::/32
ROA Signed and Valid IRR Valid
ComSource s.r.o. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,227,200 4,299,161,600 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12,800 2,162,688 IPv4 IPv4 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 395,008 77,326,974,976 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,000 12,884,967,424 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,328 4,294,967,296 IPv4 IPv4
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,936 6,442,450,944 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 578,048 282,631,665,745,920 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115,712 352,458,113,024 IPv4 IPv4 IPv6 IPv6
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 26,112 4,503,616,824,082,432 IPv4 IPv4
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 85,248 240,518,430,720 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5,376 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,280,064 12,885,032,960 IPv4 IPv4
AS14840 BR.Digital Telecom, BR Brazil 72,192 14,010,417,152 IPv4 IPv4
AS22356 Durand do Brasil Ltda, BR Brazil 28,928 4,294,967,296 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 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
AS47200 NIXCZ-RS - NIX.CZ z.s.p.o., CZ Czech 0 0 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,948,352 81,626,857,472 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS263444 Open X Tecnologia Ltda, BR Brazil 2,304 1,879,048,192 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS205233 AS_KBCGROUP_CSOBCZ - KBC GLOBAL SERVICES NV, BE Belgium 2,048 0 IPv4 IPv4
AS206142 InternetTV - Internet TV, Inc., US United States 512 0 IPv4 IPv4
AS206591 ALZACZ-AS - Alza.cz a.s., CZ Czech 256 0 IPv4 IPv4
AS8778 SLOVANET - Slovanet a.s., SK Slovakia 17,920 38,654,705,664 IPv4 IPv4
AS25234 ACTIVE24-AS - ACTIVE 24, s.r.o., CZ Czech 7,680 8,590,000,128 IPv4 IPv4 IPv6 IPv6
AS35236 AS35236 - UVT Internet s.r.o., CZ Czech 10,496 55,834,705,920 IPv4 IPv4
AS35592 COOLHOUSING-AS - Coolhousing s.r.o., CZ Czech 13,568 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS39790 WEB4U - Web4U s.r.o., CZ Czech 5,120 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29405 VNET-AS - VNET a.s., SK Slovakia 36,096 85,899,411,456 IPv4 IPv4
AS51013 WEBSUPPORT-SRO-SK-AS - WebSupport s.r.o., SK Slovakia 9,472 4,295,098,368 IPv4 IPv4
AS201730 DataSpring - Cloud4com s.r.o., CZ Czech 5,376 4,294,967,296 IPv6 IPv6
as-block:       AS199178 - AS200350
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:        2025-11-24T15:16:53Z
last-modified:  2025-11-24T15:16:53Z
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
notify:         hostmaster@comsource.cz
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
e-mail:         noc@comsource.cz
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