AS Name
AVAST-AS-DC
Org Name
AVAST Software s.r.o.
Registry Region
Czech
Looking Glass
IPv4Prefixes

79

IPv6Prefixes

7

IPv4 NUMs

21,792

IPv6 NUMs(/64)

84,475,904

21,792 IPv4 Addresses
CIDR Description IP Num
5.45.56.0/24 AVAST Software s.r.o. 256
5.45.57.0/24 AVAST Software s.r.o. 256
5.45.58.0/24 AVAST Software s.r.o. 256
5.45.59.0/24 AVAST Software s.r.o. 256
5.45.62.0/24 AVAST Software s.r.o. 256
5.45.63.0/24 AVAST Software s.r.o. 256
5.62.16.0/24 PRCDN-CONSUMER-US-CT-TBL-20190318 256
5.62.17.0/24 CZ-AVAST-SKR20190827 256
5.62.20.0/24 UK-PRIVAX-20120608 256
5.62.24.0/24 PRCDN-CONSUMER-ATL1-20191113 256
5.62.25.0/24 VPC-FRA1-20191120 256
5.62.30.0/24 UK-PRIVAX-20120608 256
5.62.32.0/24 CZ-AVAST-SKR20190114 256
5.62.36.0/24 UK-PRIVAX-20120608 256
5.62.36.0/23 UK-PRIVAX-20120608 512
5.62.38.0/24 UK-PRIVAX-20120608 256
5.62.39.0/24 UK-PRIVAX-20120608 256
5.62.40.0/23 UK-PRIVAX-20120608 512
5.62.42.0/23 UK-PRIVAX-20120608 512
5.62.44.0/23 UK-PRIVAX-20120608 512
5.62.46.0/24 UK-PRIVAX-20120608 256
5.62.46.0/23 UK-PRIVAX-20120608 512
5.62.47.0/24 UK-PRIVAX-20120608 256
5.62.48.0/23 UK-PRIVAX-20120608 512
5.62.50.0/24 UK-PRIVAX-20120608 256
5.62.52.0/24 AVAST-COM 256
5.62.53.0/24 AVAST-COM 256
5.62.54.0/24 AVAST-COM 256
5.62.55.0/24 AVAST-COM 256
5.62.56.0/24 UK-PRIVAX-20120608 256
5.62.56.0/23 UK-PRIVAX-20120608 512
5.62.57.0/24 UK-PRIVAX-20120608 256
5.62.58.0/23 UK-PRIVAX-20120608 512
5.62.60.0/23 UK-PRIVAX-20120608 512
5.62.62.0/23 UK-PRIVAX-20120608 512
37.156.184.0/24 AVAST-COM 256
37.156.184.0/23 AVAST-COM 512
37.156.185.0/24 AVAST-COM 256
37.156.187.0/24 AVAST-COM 256
69.94.64.0/24 AVAST-COM 256
69.94.67.0/24 AVAST Software s.r.o. 256
69.94.68.0/24 AVAST Software s.r.o. 256
69.94.69.0/24 AVAST Software s.r.o. 256
69.94.70.0/24 AVAST Software s.r.o. 256
69.94.72.0/23 AVAST Software s.r.o. 512
69.94.74.0/24 AVAST Software s.r.o. 256
69.94.74.0/23 AVAST Software s.r.o. 512
69.94.75.0/24 AVAST Software s.r.o. 256
69.94.76.0/24 AVAST Software s.r.o. 256
69.94.77.0/24 AVAST Software s.r.o. 256
69.94.78.0/24 AVAST Software s.r.o. 256
69.94.79.0/24 AVAST Software s.r.o. 256
77.234.40.0/24 AVAST Software s.r.o. 256
77.234.41.0/24 AVAST Software s.r.o. 256
77.234.42.0/24 AVAST Software s.r.o. 256
77.234.43.0/24 AVAST Software s.r.o. 256
77.234.44.0/24 AVAST Software s.r.o. 256
77.234.45.0/24 AVAST Software s.r.o. 256
77.234.46.0/24 AVAST Software s.r.o. 256
91.213.143.0/24 AVAST Software s.r.o. 256
95.142.112.0/24 PRCDN-CONSUMER-DE-FRA-20190425 256
95.142.115.0/24 PRCDN-CONSUMER-FR-PAR-20190425 256
95.142.118.0/24 PRCDN-CONSUMER-GB-LON-20190425 256
95.142.121.0/24 PRCDN-CONSUMER-US-NY-NYC-20190425 256
95.142.124.0/24 PRCDN-CONSUMER-CA-ON-TOR-20190425 256
95.142.127.0/24 PRCDN-CONSUMER-US-AL-MGM-20190425 256
159.242.227.0/24 PRCDN-CONSUMER-GB-LON-20200724 256
159.242.234.0/24 PRCDN-CONSUMER-DE-FRA-20200724 256
159.242.239.0/24 PRCDN-CONSUMER-NYC-239-0 256
185.51.228.0/24 NETBLK-AVAST-LOPS-LON-0 256
185.51.229.0/24 NETBLK-AVAST-LOPS-229-0 256
185.51.230.0/24 NETBLK-AVAST-LOPS-1 256
185.189.92.0/24 AVG Technologies CZ, s.r.o. 256
185.189.93.0/24 AVG Technologies CZ, s.r.o. 256
185.189.94.0/24 AVAST-COM 256
185.189.95.0/24 AVAST-COM 256
194.99.28.0/22 InloopX s.r.o. 1024
195.74.76.0/24 AVAST Software s.r.o. 256
200.219.223.0/27 EQUINIX BRASIL 32
CIDR Description IP NUMs(prefix /64)
2001:67c:284::/48 AVAST Software s.r.o. 65536
2a0b:e181::/40 AVAST Software s.r.o. 16777216
2a0b:e181:400::/40 AVAST Software s.r.o. 16777216
2a0b:e181:500::/40 AVAST Software s.r.o. 16777216
2a0b:e181:600::/40 AVAST Software s.r.o. 16777216
2a0b:e182:100::/40 AVAST Software s.r.o. 16777216
2a0b:e182:200::/45 AVAST Software s.r.o. 524288
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS41047 NL-MLAB - BART Vrancken trading under MLAB, NL Netherlands 1,024 12,884,901,888 IPv4 IPv4
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4
AS264409 GRUPO YAX, BR Brazil 1,024 262,144 IPv4 IPv4
AS12182 INTERNAP-2BLK - Internap Holding LLC, US United States 69,888 4,580,179,968 IPv4 IPv4 IPv6 IPv6
AS14745 INTERNAP-BLOCK-4 - Internap Holding LLC, US United States 81,152 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,296,276 154,906,330,112 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,040 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 768 0 IPv4 IPv4
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 35,914,432 85,904,719,872 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 95,744 4,294,967,296 IPv4 IPv4
AS8218 NEO-ASN - Zayo France SAS, FR France 54,528 8,590,786,560 IPv4 IPv4 IPv6 IPv6
AS36236 NETACTUATE - NetActuate, Inc, US United States 59,136 10,228,858,880 IPv4 IPv4 IPv6 IPv6
AS13789 INTERNAP-BLK3 - Internap Holding LLC, US United States 94,976 4,563,533,824 IPv4 IPv4
AS15570 InterNAP Network Services U.K. Limited, GB United Kingdom 29,440 1,073,741,824 IPv4 IPv4
AS28186 ITS TELECOMUNICACOES LTDA, BR Brazil 49,152 4,294,967,296 IPv4 IPv4
AS30282 AS-INAPCDN-OCY - Internap Holding LLC, US United States 9,472 1,073,741,824 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,862,784 258,859,761,664 IPv4 IPv4
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29208 DIALTELECOM-AS - Dial Telecom, a.s., CZ Czech 258,560 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4
AS48910 INAP-FRA - InterNAP Network Services U.K. Limited, GB United Kingdom 7,168 1,073,741,824 IPv4 IPv4
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,968 4,294,967,296 IPv4 IPv4
AS16397 EQUINIX BRASIL, BR Brazil 81,152 1,090,519,040 IPv4 IPv4
AS12180 INTERNAP-2BLK - Internap Holding LLC, US United States 77,824 8,591,048,704 IPv4 IPv4
AS14840 COMMCORP COMUNICACOES LTDA, BR Brazil 53,760 16,106,586,112 IPv4 IPv4
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,448 68,719,476,736 IPv4 IPv4
AS5610 O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ Czech 1,553,920 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 503,296 282,665,488,678,912 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS198621 AVAST-AS-AC - AVAST Software s.r.o., CZ Czech 512 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.199 2001:7f8:14::5a:1 20 Gbps 2020-11-28 00:01:12
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.198 2001:7f8:14::5a:2 20 Gbps 2020-11-28 00:01:12

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains
5.45.57.11 1 burger-hadoop-prod-038.prg5.ff.avast.com
5.45.57.12 1 install-repos-test-001.prg5.ff.avast.com
5.45.57.13 1 install-repos-test-002.prg5.ff.avast.com
5.45.57.15 2 burger-hadoop-prod-176.prg5.ff.avast.com
5.45.57.16 1 burger-jupyterhub-stage-001.prg5.ff.avast.com
5.45.57.18 2 burger-hadoop-prod-100.prg5.ff.avast.com
5.45.57.19 1 burger-hadoop-prod-101.prg5.ff.avast.com
5.45.57.20 1 prg20-010.ff.avast.com
5.45.57.21 2 burger-hadoop-prod-103.prg5.ff.avast.com
5.45.57.22 2 burger-hadoop-prod-098.prg5.ff.avast.com
as-block:       AS196608 - AS213403
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:        2020-10-28T07:56:37Z
last-modified:  2020-10-28T07:56:37Z
source:         RIPE



aut-num:        AS198605
as-name:        AVAST-AS-DC
org:            ORG-ASa95-RIPE
remarks:        Czech Republic / www.avast.com
import:         from AS2819 accept ANY
import:         from AS3356 accept ANY
import:         from AS14745 accept ANY
import:         from AS2819 accept ANY
import:         from AS12182 accept ANY
export:         to AS2819 announce AS198605
export:         to AS3356 announce AS198605
export:         to AS14745 announce AS198605
export:         to AS174 announce AS198605
export:         to AS12182 announce AS198605
admin-c:        PC4833-RIPE
tech-c:         PC4833-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ASW-MNT
created:        2012-03-21T15:12:16Z
last-modified:  2019-06-27T09:21:33Z
source:         RIPE # Filtered

organisation:   ORG-ASa95-RIPE
org-name:       AVAST Software s.r.o.
country:        CZ
org-type:       LIR
address:        Pikrtova 1737/1a
address:        14000
address:        Praha 4
address:        CZECH REPUBLIC
phone:          +420731504666
fax-no:         +420274005777
admin-c:        PC4833-RIPE
abuse-c:        ASW
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ASW-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ASW-MNT
created:        2012-03-15T16:36:16Z
last-modified:  2020-12-16T13:37:33Z
source:         RIPE # Filtered

person:         Petr Chocholous
address:        Pikrtova 1737/1a, Praha 4, 140 00, CZ
mnt-by:         ASW-MNT
phone:          +420274005773
nic-hdl:        PC4833-RIPE
created:        2008-03-20T08:50:59Z
last-modified:  2016-04-25T11:17:52Z
source:         RIPE # Filtered