37.143.163.0/24

AS52023 · OPTICNET-SERV S.R.L.

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Summary

Country	Romania
Domain	ducadu.com
ASN	AS52023
Registry	RIPE
ID	DUCADU-CLOUD

WHOIS Details

inetnum:        37.143.163.0 - 37.143.163.255
netname:        DUCADU-CLOUD
geoloc:         44.479721 26.114383
descr:          DUCADU-CLOUD
country:        RO
admin-c:        SEBI1-RIPE
tech-c:         OPT100-RIPE
status:         ASSIGNED PA
mnt-by:         OPTICNET-MNT
mnt-lower:      OPTICNET-MNT
mnt-domains:    OPTICNET-MNT
mnt-routes:     OPTICNET-MNT
created:        2012-10-18T19:17:00Z
last-modified:  2023-11-09T12:08:50Z
source:         RIPE
abuse-email:    abuse@opticnet.ro
abuse-c:        OPT100-RIPE
abuse-org:      ORG-OSS8-RIPE

role:           OPTICNET SERV
address:        Maramures 12, cam P39
address:        Ploiesti, Prahova, Romania
e-mail:         noc@opticnet.ro
remarks:        -------------------------------------
admin-c:        SEBI1-RIPE
tech-c:         SEBI1-RIPE
tech-c:         EDI345-RIPE
tech-c:         ADI100-RIPE
remarks:        -------------------------------------
nic-hdl:        OPT100-RIPE
mnt-by:         OPTICNET-MNT
remarks:        -------------------------------------
remarks:        Abuse reports: abuse@opticnet.ro
abuse-mailbox:  abuse@opticnet.ro
remarks:        NOC: noc@opticnet.ro
remarks:        Support: tehnic@opticnet.ro
remarks:        Support phone: +40310807000
remarks:        -------------------------------------
created:        2011-09-11T16:43:12Z
last-modified:  2013-03-21T09:07:30Z
source:         RIPE

person:         Sebastian Roman
address:        OPTICNET -SERV SRL
remarks:        Join The Future!
address:        12, Maramures str, P39
address:        Ploiesti, Romania
e-mail:         sebastian.roman@opticnet.ro
phone:          +40-344-080002
nic-hdl:        SEBI1-RIPE
mnt-by:         OPTICNET-MNT
created:        2005-02-22T13:58:17Z
last-modified:  2020-12-09T23:10:44Z
source:         RIPE

route:          37.143.163.0/24
descr:          DUCADU-CLOUD
origin:         AS52023
mnt-by:         OPTICNET-MNT
created:        2016-09-14T09:07:43Z
last-modified:  2016-09-14T09:07:43Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 37.143.0.0/16

Range	ASN	Company	Num of IPs
37.143.192.0/18	AS43205	Vivacom Bulgaria EAD	16,384
37.143.176.0/20	AS29056	Citycom Telekommunikation GmbH	4,096
37.143.16.0/20	AS24739	JSC Severen-Telecom	4,096
37.143.96.0/20	AS50923	Metroset Ltd.	4,096
37.143.104.0/21	AS50923	Metroset Ltd.	2,048
37.143.96.0/21	AS50923	Metroset Ltd.	2,048
37.143.40.0/21	AS57607	Haefele SE trading as Hafele SE & Co KG	2,048
37.143.64.0/21	AS57873	SONICTEST Ltd.	2,048
37.143.152.0/21	AS57881	JSC ENERGO-PRO Georgia	2,048
37.143.40.0/21	AS20546	Haefele SE trading as Hafele SE & Co KG	2,048
37.143.120.0/21	AS43885	INSTAL MATEL SL	2,048
37.143.112.0/21	AS48926	Pe3ny Net s.r.o.	2,048
37.143.80.0/21	AS50266	Odido Netherlands B.V.	2,048
37.143.76.0/22	AS47116	Intellihome Tavkozlesi Szolgaltato Kft	1,024
37.143.0.0/22	AS7029	Private Customer	1,024
37.143.56.0/22	AS200715	ALTANA Management Services GmbH	1,024
37.143.132.0/22	AS196777	SKORUK ANDRIY OLEKSANDROVYCH	1,024
37.143.4.0/22	AS5065	Bunny Communications LLC	1,024
37.143.52.0/22	AS198507	IELO-LIAZO SERVICES SAS	1,024
37.143.0.0/22	AS2856	Private Customer	1,024
37.143.48.0/22	AS29492	Indigo IKT IKS	1,024
37.143.72.0/22	AS199235	Mikrohalo Tavkozlesi Szolgaltato Korlatolt Felelossegu Tarsasag	1,024
37.143.160.0/23	AS51793	Adrana International SRL	512
37.143.8.0/23	AS210079	IHC.RU network in Digital Hub	512
37.143.10.0/23	AS210079	IHC.RU network in Digital Hub	512
37.143.14.0/23	AS210079	IHC.RU network in Eserver	512
37.143.36.0/23	AS34373	XXLnet	512
37.143.12.0/23	AS210079	IHC.RU network in Eserver	512
37.143.62.0/23	AS61317	Internet Utilities Europe and Asia Limited	512
37.143.150.0/24	AS58256	RK222	256
37.143.151.0/24	AS58256	Rayaneh Gostar Farzanegan Ahvaz LTD	256
37.143.128.0/24	AS136258	Oneprovider.com - Santiago de Chile Infrastructure	256
37.143.60.0/24	AS9009	Private Customer	256
37.143.129.0/24	AS136258	Oneprovider.com - Helsinki Infrastructure	256
37.143.130.0/24	AS136258	Oneprovider.com - Madrid Infrastructure	256
37.143.131.0/24	AS136258	Oneprovider.com - Zurich Infrastructure	256
37.143.169.0/24	AS205087	OPTICNET-SERV S.R.L.	256
37.143.42.0/24	AS20546	Haefele SE trading as Hafele SE & Co KG	256
37.143.168.0/24	AS34714	OPTICNET SERV SRL	256
37.143.174.0/24	AS39211	OPTICNET-SERV S.R.L.	256
37.143.32.0/24	AS43350	Telecity 2 services	256
37.143.33.0/24	AS43350	NForce Entertainment B.V.	256
37.143.34.0/24	AS43350	Crossnetworks	256
37.143.162.0/24	AS52023	DUCADU-CLOUD	256
37.143.164.0/24	AS52023	DUCADU-CLOUD	256
37.143.165.0/24	AS52023	DUCADU-CLOUD	256
37.143.166.0/24	AS52023	DUCADU-CLOUD	256
37.143.167.0/24	AS52023	DUCADU-CLOUD	256
37.143.170.0/24	AS52023	DUCADU-CLOUD	256

Hosted domains

There are 165 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
37.143.163.59	breznitaocolprimaria.ro	101
37.143.163.25	chris-cantell.com	40
37.143.163.51	bbqgrillandaccessories.com	17
37.143.163.28	proton.ro	4
37.143.163.27	aisalesgrow.com	1
37.143.163.32	nadapestilor.ro	1
37.143.163.56	hreniuc.net	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
37.143.163.59	AS52023 OPTICNET-SERV S.R.L.	`0.33ms` from Bucharest, RO

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
2.138.124.248	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.33ms` from Madrid, ES
203.220.186.8	AS7545 TPG Telecom Limited	`1.57ms` from Melbourne, AU
189.144.153.216	AS8151 UNINET	`1.03ms` from Mexico City, MX
178.86.233.200	AS25019 Saudi Telecom Company JSC	`2.95ms` from Riyadh, SA
35.216.8.8	AS15169 Google LLC	`0.10ms` from Seoul, KR
31.146.111.24	AS35805 JSC "Silknet"	`5.28ms` from Tbilisi, GE
84.41.184.168	AS33915 Vodafone Libertel B.V.	`1.08ms` from Amsterdam, NL
74.124.156.8	AS15313 Pembroke Telephone Company, Inc.	`5.44ms` from Atlanta, US
216.231.167.168	AS22561 CenturyLink Communications, LLC	`10.92ms` from Atlanta, US
34.45.140.88	AS396982 Google LLC	`0.36ms` from Council Bluffs, US
80.134.5.8	AS3320 Deutsche Telekom AG	`4.15ms` from Duesseldorf, DE
121.203.130.168	AS17924 SmarTone Mobile Communications Ltd	`12.07ms` from Hong Kong, HK
82.110.233.72	AS3257 GTT Communications Inc.	`8.62ms` from London, GB
195.50.103.104	AS3356 Level 3 Parent, LLC	`0.86ms` from London, GB
72.203.27.120	AS22773 Cox Communications Inc.	`9.33ms` from Los Angeles, US
35.204.228.120	AS396982 Google LLC	`0.12ms` from Oudeschip, NL
38.22.56.56	AS174 Cogent Communications, LLC	`0.63ms` from San Diego, US
222.121.150.184	AS4766 Korea Telecom	`2.38ms` from Seoul, KR
211.127.213.216	AS4725 SoftBank Corp.	`4.96ms` from Tokyo, JP
172.105.226.104	AS63949 Akamai Connected Cloud	`0.12ms` from Tokyo, JP
131.214.235.232	AS668 United States Department of Defense (DoD)	`2.70ms` from Ashburn, US
100.6.99.232	AS701 Verizon Business	`6.39ms` from Ashburn, US
16.145.47.184	AS16509 Amazon.com, Inc.	`0.13ms` from Boardman, US
91.21.68.72	AS3320 Deutsche Telekom AG	`3.76ms` from Duesseldorf, DE
212.221.223.56	AS207995 LF Holdco 2 Limited	`2.99ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f3 37.143.163.1

traceroute to 37.143.163.1 (37.143.163.1): 64 hops max, 52 byte packets

3 [] 185.156.45.253 16.858 ms

4 [] 185.1.103.13 0.562 ms

5 [AS52023] 37.143.163.1 0.657 ms

Measurement taken from

IPinfo ProbeNet in Bucharest, RO

On February 7th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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