AS number details

AS21437

Aviti ltd.  ·  aviti.net

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AS21437 – Aviti ltd.

Field Value
Country Ukraine
Website aviti.net
Hosted domains 327
Number of IPv4 2,560
Number of IPv6 0
ASN type Hosting
Registry ripe
Allocated 24 years ago on Dec 10, 2001
Updated 3 months ago on Jun 12, 2025
Netblock Company Num of IPs
193.104.133.0/24 PP Legal Center Raider 256
81.17.128.0/24 ISP TNS 256
81.17.131.0/24 ipv4 assignment for Bigline 256
81.17.132.0/24 ipv4 assignment for Bigline 256
81.17.133.0/24 ipv4 assignment for Bigline 256
81.17.134.0/24 ipv4 assignment for Bigline 256
81.17.135.0/24 ipv4 assignment for Bigline 256
81.17.136.0/24 ipv4 assignment for shared hosting platform 256
81.17.138.0/24 Techinform core network IPv4 block 256
81.17.139.0/24 Techinform core network IPv4 block 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS21437
                                                OrgID:          AS21437
                                                ASName:         AS21437
                                                ASNumber:       AS21437
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are 327 domain names hosted across 163 IP addresses on this ASN.

IP Address Domain Domains on this IP
81.17.134.49 █████████ 70
81.17.132.218 ██████████ 25
81.17.136.10 ██████████ 6
81.17.132.2 ██████████ 6
81.17.132.7 ██████████ 6
81.17.134.48 ██████████ 5
81.17.132.6 ██████████ 5
81.17.132.4 ██████████ 5
81.17.132.5 ██████████ 5
81.17.128.3 ██████████ 5

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Useful for Cybersecurity

Peers

There is 1 peer for this ASN.

Peers Name
AS21500 Scientific Production Enterprise "Technaukservice" Ltd
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS21500 Scientific Production Enterprise "Technaukservice" Ltd
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

10 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
81.17.128.181 AS21437 Aviti ltd. 0.48ms from Kharkiv, UA
81.17.134.25 AS21437 Aviti ltd. 0.54ms from Kharkiv, UA
81.17.139.113 AS21437 Aviti ltd. 0.48ms from Kharkiv, UA
81.17.138.209 AS21437 Aviti ltd. 0.55ms from Kharkiv, UA
81.17.132.121 AS21437 Aviti ltd. 0.49ms from Kharkiv, UA
81.17.133.189 AS21437 Aviti ltd. 0.54ms from Kharkiv, UA
81.17.136.5 AS21437 Aviti ltd. 0.49ms from Kharkiv, UA
81.17.135.25 AS21437 Aviti ltd. 0.48ms from Kharkiv, UA
81.17.131.17 AS21437 Aviti ltd. 0.48ms from Kharkiv, UA
193.104.133.193 AS21437 Aviti ltd. 0.56ms from Kharkiv, UA

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
121.75.51.45 AS9500 One New Zealand Group Limited 1.60ms from Auckland, NZ
120.10.117.205 AS4837 CHINA UNICOM China169 Backbone 6.22ms from Beijing, CN
66.161.171.109 AS6181 Cincinnati Bell Telephone Company LLC 1.20ms from Cincinnati, US
212.181.232.237 AS3301 Telia Company AB 2.63ms from Copenhagen, DK
82.26.217.237 AS9009 M247 Europe SRL 0.15ms from Frankfurt am Main, DE
146.59.161.61 AS16276 OVH SAS 0.10ms from Gravelines, FR
113.163.92.109 AS45899 VNPT Corp 2.33ms from Ho Chi Minh City, VN
1.64.194.253 AS4760 HKT Limited 1.63ms from Hong Kong, HK
103.225.49.45 AS23674 Nayatel (Pvt) Ltd 2.56ms from Islamabad, PK
103.101.230.173 AS17451 BIZNET NETWORKS 0.94ms from Jakarta, ID
2.223.87.205 AS5607 Sky UK Limited 4.33ms from London, GB
99.6.14.253 AS7018 AT&T Enterprises, LLC 18.71ms from Los Angeles, US
162.235.44.221 AS7018 AT&T Enterprises, LLC 3.12ms from Los Angeles, US
62.117.220.13 AS12430 VODAFONE ESPANA S.A.U. 8.69ms from Madrid, ES
87.27.211.157 AS3269 Telecom Italia S.p.A. 4.83ms from Milan, IT
170.254.111.157 AS265113 SALES TELECOM LTDA 1.11ms from Osasco, BR
88.184.225.205 AS12322 Free SAS 5.90ms from Paris, FR
121.140.168.253 AS4766 Korea Telecom 1.19ms from Seoul, KR
82.81.5.29 AS8551 Bezeq International Ltd. 6.01ms from Tel Aviv, IL
221.71.170.125 AS17676 SoftBank Corp. 3.57ms from Tokyo, JP
81.90.151.45 AS25184 Afranet 16.53ms from Yerevan, AM
20.123.180.109 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
66.43.105.253 AS15092 Sangoma US Inc. 0.54ms from Dallas, US
88.152.253.189 AS3209 Vodafone GmbH 11.19ms from Frankfurt am Main, DE
80.129.0.13 AS3320 Deutsche Telekom AG 9.84ms from Frankfurt am Main, DE

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f2 81.17.134.25
traceroute to 81.17.134.25 (81.17.134.25): 64 hops max, 52 byte packets
2 [AS48422] 46.172.77.30 26.655 ms
3 [] 185.1.84.93 0.622 ms
4 [AS21437] 81.17.134.25 0.573 ms
Measurement taken from IPinfo ProbeNet in Kharkiv, UA
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS21437 at robtex.

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