AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
AVAST-AS-DC AVAST Software s.r.o. 73 6 20,736 67,698,688 Czech
20,736 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
5.62.30.0/24 UK-PRIVAX-20120608 256
5.62.32.0/24 CZ-AVAST-SKR20190114 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
5.62.52.0/24 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
69.94.66.0/24 AVAST Software s.r.o. 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
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
159.242.239.0/24 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 ILX-PRCDN-CONSUMER-US1-20181205 1024
195.74.76.0/24 AVAST Software s.r.o. 256
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:e181:500::/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
AS174 COGENT-174 - Cogent Communications, US United States 27,533,056 310,094,888,960 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 516,864 282,703,874,752,512 IPv4 IPv4 IPv6 IPv6
AS12180 INTERNAP-2BLK - Internap Corporation, US United States 115,200 8,591,048,704 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,936 68,719,476,736 IPv4 IPv4
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 512 0 IPv4 IPv4
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,445,952 21,494,759,680 IPv4 IPv4 IPv6 IPv6
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS15570 InterNAP Network Services U.K. Limited, GB United Kingdom 31,488 1,073,741,824 IPv4 IPv4
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS267613 ELETRONET S.A., BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 98,048 5,933,432,832 IPv4 IPv4 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 34,360,131,584 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 55,296 42,950,524,928 IPv4 IPv4 IPv6 IPv6
AS12182 INTERNAP-2BLK - Internap Corporation, US United States 72,192 4,580,179,968 IPv4 IPv4 IPv6 IPv6
AS14745 INTERNAP-BLOCK-4 - Internap Corporation, US United States 84,480 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29208 DIALTELECOM-AS - Dial Telecom, a.s., SK Slovakia 260,864 12,884,967,424 IPv4 IPv4
AS30282 AS-INAPCDN-OCY - Internap Corporation, US United States 9,472 1,073,741,824 IPv4 IPv4
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 4,294,967,296 IPv4 IPv4
AS5610 O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ Czech 1,552,640 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS13789 INTERNAP-BLK3 - Internap Corporation, US United States 93,696 4,563,402,752 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS48910 INAP-FRA - InterNAP Network Services U.K. Limited, GB United Kingdom 7,168 1,073,741,824 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,445,952 21,494,759,680 IPv4 IPv4
AS36351 SOFTLAYER - SoftLayer Technologies Inc., US United States 5,002,496 39,632,306,176 IPv4 IPv4
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 91.210.16.198 2001:7f8:14::5a:1 20 Gbps 2019-08-21 00:00:44
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.199 2001:7f8:14::5a:2 20 Gbps 2019-08-21 00:00:44

Private Peering Facilities

Country/Region Name City Website Updated
IP Address Domain NUMs Domains
5.45.57.195 1 analytics-stage.ns1.ff.avast.com
5.45.57.196 2 analytics-stage.ff.avast.com
5.45.57.197 1 analytics-stage.ff.avast.com
5.45.57.201 2 analytics-test.ff.avast.com
as-block:       AS196608 - AS210331
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:        2018-12-04T08:56:54Z
last-modified:  2018-12-04T08:56:54Z
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.
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:  2016-05-18T15:16:29Z
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