81.21.163.0/24

AS8685 · Doruk Iletisim ve Otomasyon Sanayi ve Ticaret A.S.

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Summary

Country	Turkey
Domain	doruk.net.tr
ASN	AS8685
Registry	RIPE
ID	DORUKNET

WHOIS Details

inetnum:        81.21.163.32 - 81.21.163.47
netname:        DorukNet
descr:          DorukNet
country:        TR
admin-c:        GE252-RIPE
tech-c:         DN5-RIPE
status:         ASSIGNED PA
mnt-by:         AS8685-MNT
remarks:        INFRA-AW
notify:         emre.turkmenler@doruk.net.tr
created:        2008-07-23T08:32:52Z
last-modified:  2023-07-27T10:11:00Z
source:         RIPE
abuse-email:    abuse@doruk.net.tr
abuse-c:        DA5019-RIPE
abuse-org:      ORG-DA26-RIPE

role:           Doruk.net NetAdmin
address:        DorukNet
address:        Dikilitas Mah. Eren Sok. No: 26
address:        Besiktas 34349
address:        Istanbul Turkey
phone:          +90 212 326 92 00
fax-no:         +90 212 227 28 11
e-mail:         noc@doruk.net.tr
e-mail:         abuse@doruk.net.tr
admin-c:        GE252-RIPE
tech-c:         VA283-RIPE
nic-hdl:        DN5-RIPE
mnt-by:         AS8685-MNT
created:        2003-07-14T08:26:12Z
last-modified:  2025-10-07T11:45:01Z
source:         RIPE

person:         Gokhan Erkman
address:        Doruk Iletisim ve Otomasyon A.S.
address:        Dikilitas Mah. Eren Sok. No:26
address:        80700 Besiktas
address:        Istanbul, Turkey
phone:          +90 212 3269200
fax-no:         +90 212 3269344
e-mail:         gokhan@doruk.net.tr
nic-hdl:        GE252-RIPE
notify:         iradm@doruk.net.tr
mnt-by:         AS8685-MNT
created:        2001-11-24T13:18:43Z
last-modified:  2013-04-02T07:33:36Z
source:         RIPE

route:          81.21.160.0/22
descr:          Doruk-NET
origin:         AS8685
notify:         iradm@doruk.net.tr
mnt-by:         AS8685-MNT
mnt-routes:     AS8685-MNT
created:        2002-12-24T09:06:38Z
last-modified:  2002-12-24T09:06:38Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 81.21.0.0/16

Range	ASN	Company	Num of IPs
81.21.144.0/20	AS62862	Rapid Fiber Internet, LLC	4,096
81.21.48.0/20	AS39228	Integrated Networks Co.	4,096
81.21.32.0/20	AS16229	Primetel PLC	4,096
81.21.16.0/20	AS30848	UNIDATA S.p.A.	4,096
81.21.112.0/20	AS44462	Stadtwerke Muerzzuschlag GmbH	4,096
81.21.240.0/20	AS1257	Tele2 Sverige AB	4,096
81.21.32.0/20	AS8544	Primetel PLC	4,096
81.21.128.0/21	AS12505	Banco BPM S.P.A	2,048
81.21.136.0/21	AS28878	Signet B.V.	2,048
81.21.228.0/22	AS213005	Invermae Solutions SL	1,024
81.21.232.0/22	AS203020	HostRoyale Technologies Pvt Ltd	1,024
81.21.96.0/24	AS31065	National Telecom Regulatory Authority_2	256
81.21.105.0/24	AS31065	eGOV project_3	256
81.21.108.0/24	AS31065	MCIT Network	256
81.21.109.0/24	AS31065	Ministry of Communications & IT network.	256
81.21.102.0/24	AS31065	Egypt Radio and Television Union	256
81.21.104.0/24	AS31065	eGOV project_2	256
81.21.99.0/24	AS31065	Egyptian Ministry of Communication and IT projects. Secondry DNS, AfriNIC whois db servers mirroring, others.	256
81.21.97.0/24	AS31065	Ministry of Communications and Information Technology	256
81.21.106.0/24	AS31065	National_Telecom_Regulatory_Authority_Egypt	256
81.21.103.0/24	AS31065	eGOV project_1	256
81.21.136.0/24	AS31586	Signet Son	256
81.21.48.0/24	AS39228	iNet Backbone Devices	256
81.21.50.0/24	AS39228	DSL Pool for iNET	256
81.21.49.0/24	AS39228	Dialup Pool 1 for iNET	256
81.21.51.0/24	AS39228	Dialup Pool 2 for iNET	256
81.21.179.0/24	AS39244	ST	256
81.21.2.0/24	AS5065	Bunny Communications LLC	256
81.21.9.0/24	AS50670	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.8.0/24	AS50670	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.3.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.4.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.7.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.1.0/24	AS834	VTEL HOLDINGS LIMITED/JORDAN CO.	256
81.21.46.0/24	AS8544	NetWay LTD	256
81.21.38.0/24	AS8544	Primetel PLC	256
81.21.41.0/24	AS8544	Primetel PLC	256
81.21.175.0/24	AS8685	DorukNet	256
81.21.207.0/24	AS8726	Noblesecurities network.	256
81.21.47.0/24	AS16229	NetWay LTD	256
81.21.206.0/24	AS200094	PHU MIROLAN Miroslaw Weclaw	256
81.21.225.0/24	AS209041	CoreIT AB	256
81.21.227.0/24	AS209041	CoreIT AB	256
81.21.224.0/24	AS209041	CoreIT AB	256
81.21.226.0/24	AS209041	CoreIT AB	256
81.21.0.0/24	AS29802	Private Customer	256
81.21.45.0/24	AS30916	NetWay LTD	256
81.21.43.0/24	AS30916	NetWay LTD	256
81.21.107.0/24	AS31065	MCIT Network	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
81.21.163.10	beymenacademia.com.tr	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

Read more

Pingable IPs

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

IP Address	ASN	Details
81.21.163.253	AS8685 Doruk Iletisim ve Otomasyon Sanayi ve Ticaret A.S.	`0.41ms` from Istanbul, TR

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
24.163.105.72	AS11426 Charter Communications Inc	`10.78ms` from Charlotte, US
80.143.13.248	AS3320 Deutsche Telekom AG	`3.61ms` from Duesseldorf, DE
84.162.232.136	AS3320 Deutsche Telekom AG	`4.39ms` from Hamburg, DE
190.102.143.184	AS27843 ON EMPRESAS S.A.C.	`0.33ms` from Lima, PE
37.194.45.8	AS31200 Novotelecom Ltd	`1.04ms` from Novosibirsk, RU
71.173.204.216	AS701 Verizon Business	`3.21ms` from Philadelphia, US
180.87.242.40	AS136907 HUAWEI CLOUDS	`0.93ms` from Hong Kong, HK
72.130.208.24	AS20001 Charter Communications Inc	`2.44ms` from Honolulu, US
87.2.248.152	AS3269 Telecom Italia S.p.A.	`4.24ms` from Milan, IT
153.145.178.168	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.45ms` from Osaka, JP
45.5.156.168	AS266114 TOTUS TELECOMUNICAÇÕES LTDA	`16.34ms` from Osasco, BR
90.70.21.168	AS3215 Orange S.A.	`9.63ms` from Paris, FR
44.216.231.88	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
52.78.138.136	AS16509 Amazon.com, Inc.	`0.20ms` from Seoul, KR
101.69.45.184	AS4837 CHINA UNICOM China169 Backbone	`9.46ms` from Shanghai, CN
31.146.80.72	AS35805 JSC Silknet	`1.71ms` from Tbilisi, GE
114.99.7.24	AS4134 CHINANET-BACKBONE	`10.00ms` from Wuhan, CN
124.183.96.56	AS1221 Telstra Limited	`2.60ms` from Brisbane, AU
87.65.19.8	AS5432 Proximus NV	`2.19ms` from Brussels, BE
97.223.148.136	AS6167 Verizon Business	`14.41ms` from Chicago, US
37.228.130.24	AS50873 David Doepelheuer	`0.10ms` from Duesseldorf, DE
129.13.37.200	AS34878 Karlsruhe Institute of Technology	`2.78ms` from Frankfurt am Main, DE
171.231.116.56	AS7552 Viettel Group	`12.90ms` from Ho Chi Minh City, VN
83.106.182.168	AS5378 Vodafone Limited	`8.64ms` from London, GB
76.82.234.232	AS20001 Charter Communications Inc	`6.19ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 -f3 81.21.163.249

traceroute to 81.21.163.249 (81.21.163.249): 64 hops max, 52 byte packets

3 [AS9002] 87.245.232.2 26.978 ms

4 [AS3257] 213.39.66.201 26.737 ms

5 [AS3257] 89.149.187.209 50.703 ms

6 [AS3257] 84.233.147.190 59.739 ms

7 *

8 *

9 [AS15924] 195.87.9.201 60.436 ms

10 [AS15924] 195.87.9.202 61.35 ms

11 *

12 [AS8685] 81.21.163.249 59.825 ms

Measurement taken from

IPinfo ProbeNet in Riga, LV

On March 20th 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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