Autonomous System details

AS6823

3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S. · 3c1b.com

Turkey

BitTorrent

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AS6823 – 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.

Field	Value
Country	Turkey
Website	3c1b.com
Hosted domains	207
IPv4 addresses	4,352
IPv6 addresses	158,456,325,028,528,675,187,087,900,672
ASN type	Hosting
Registry	ripe
Allocated	15 years ago on Apr 01, 2011
Updated	a month ago on Jan 05, 2026

Netblock	Company	Num of IPs
37.202.48.0/21	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	2,048
178.251.40.0/21	3c1b Customer Networks	2,048
37.202.48.0/24	3C1B DC Sunucular IP Blogu	256
37.202.49.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
37.202.50.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
37.202.51.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
37.202.52.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
37.202.53.0/24	PPPoE_Dynamic	256
37.202.54.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
37.202.55.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
178.251.40.0/24	3c1b Customer Networks	256
178.251.41.0/24	3c1b Local Network	256
178.251.42.0/24	3c1b Customer Networks	256
178.251.43.0/24	Aydin Yazilim ve Elektronik Sanayii A.S.	256
178.251.44.0/24	3C1B TELEKOM	256
178.251.45.0/24	PPPOE Static IP Pool	256
178.251.46.0/24	3c1b Customer Networks	256
178.251.47.0/24	3c1b Customer Networks	256
213.146.190.0/24	Cogent Communications Group LLC	256

Netblock	Company
2a01:6be0::/32	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:1000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:1400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:1800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:1c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:2000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:2400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:2800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:2c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:3000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:3400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:3800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:3c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:4000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:4400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:4800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:4c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:5000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:5400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:5800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:5c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:6000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:6400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:6800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:6c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:7000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:7400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:7800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:7c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:8000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:8400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:8800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:8c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:9000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:9400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:9800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:9c00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:a000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:a400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:a800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:ac00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:b000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:b400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:b800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:bc00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:c000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:c400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:c800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:cc00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:d000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:d400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:d800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:dc00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:e000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:e400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:e800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:ec00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:f000::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:f400::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:f800::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.
2a01:6be0:fc00::/38	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.

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WHOIS Details

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                                                ASHandle:       AS6823
                                                OrgID:          AS6823
                                                ASName:         AS6823
                                                ASNumber:       AS6823
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 207 domain names hosted across 66 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
37.202.48.154	██████████	62
178.251.42.3	██████████	29
37.202.48.147	██████████	12
178.251.45.173	██████████	12
178.251.42.86	██████████	10
37.202.52.3	██████████	10
178.251.46.233	██████████	6
178.251.43.250	██████████	6
37.202.48.148	██████████	3
178.251.45.157	██████████	3

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Hosted Domains API & Database

Peers

There are 171 peers for this ASN.

Peers	Name
AS1103	SURF B.V.
AS1140	Stichting Internet Domeinregistratie Nederland
AS12552	GlobalConnect AB
AS12735	TurkNet Iletisim Hizmetleri A.S.
AS12779	IT.Gate S.p.A.
AS12859	BIT BV
AS12969	Vodafone Iceland
AS13058	serve-u - Buchholz und Suenderhauf GbR
AS132337	Axclusive
AS13237	euNetworks GmbH
AS137409	GSL Networks Pty LTD
AS142271	EWS DS Networks Inc
AS14537	Continent 8 LLC
AS14630	Invesco Group Services, Inc.
AS14840	BR.Digital Telecom
AS14907	Wikimedia Foundation Inc.
AS15547	netplus.ch SA
AS15576	NTS workspace AG
AS15605	Connesi s.p.a.
AS174	Cogent Communications, LLC
AS17639	Converge ICT Solutions Inc.
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS18106	Viewqwest Pte Ltd
AS1828	Unitas Global
AS1836	green.ch AG
AS198150	SIACOM JSC
AS198249	Ops One AG
AS198385	AlpineDC SA
AS199524	G-Core Labs S.A.
AS199938	Netzwerge GmbH
AS204457	Atlantis Telekomunikasyon Bilisim Hizmetleri San. Tic. Ltd
AS20485	Joint Stock Company TransTeleCom
AS205112	PHILUNET GmbH
AS206356	Freifunk Essen e.V.
AS20764	CJSC RASCOM
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI
AS20932	Services Industriels de Geneve
AS209737	Meric Internet Teknolojileri A.S.
AS209823	Enki Multimedia EURL
AS210937	Xiufeng Guo
AS212024	Marc Schmitt
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS213151	Christian Elsen
AS213241	TECHIT.BE SRL
AS21412	UAB "Cgates"
AS214941	UPCELL TELEKOMUNIKASYON LIMITED SIRKETI
AS22356	Durand do Brasil Ltda
AS24482	SG.GS
AS24961	WIIT AG
AS25091	IP-Max SA
AS25160	Vorboss Limited
AS25220	equada network GmbH
AS262761	Sinal Br Telecom Ltda
AS264409	GRUPO YAX
AS271253	LINK BRASIL TELECOMUNICACOES LTDA
AS28716	Retelit Digital Services S.p.A.
AS28917	Fiord Networks, UAB
AS29049	Delta Telecom Ltd
AS29075	IELO Main Network
AS29140	Hostserver GmbH
AS29208	Quantcom, a.s.
AS293	ESnet
AS29632	Netassist International EOOD
AS29691	Nine Internet Solutions AG
AS30781	Free Pro SAS
AS30844	Liquid Telecommunications Ltd
AS31027	GlobalConnect A/S
AS31510	Innsbrucker Kommunalbetriebe AG
AS3212	Telemach Slovenija d.o.o.
AS3214	xTom GmbH
AS3216	PJSC "Vimpelcom"
AS32590	Valve Corporation
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS33891	Core-Backbone GmbH
AS34019	Hivane Association
AS34177	CELESTE SAS
AS34288	Kantonsschule Zug
AS34549	meerfarbig GmbH & Co. KG
AS3462	Data Communication Business Group
AS34927	iFog GmbH
AS35280	F5 Networks SARL
AS35360	Frederic Gargula
AS35598	INETCOM CARRIER LLC
AS35625	Eurofiber France SAS
AS35710	weber.digital GmbH
AS36236	NetActuate, Inc
AS36994	Vodacom
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37497	Network Platforms (PTY) LTD
AS37721	Virtual Technologies & Solutions
AS38880	Micron21 Datacentre Pty Ltd
AS39120	Convergenze S.p.A.
AS39122	Blacknight Internet Solutions Limited
AS39351	31173 Services AB
AS41327	Fiber Telecom S.p.A.
AS4230	CLARO S.A.
AS42541	Fiberby ApS
AS43733	Viva Armenia CJSC
AS4455	IX Reach Ltd

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ASN API & Database

Upstreams

There are 6 upstreams for this ASN.

upstreams	Name
AS174	Cogent Communications, LLC
AS44901	Belcloud LTD
AS59796	StormWall s.r.o.
AS6939	Hurricane Electric LLC
AS9002	RETN Limited
AS9121	Turk Telekomunikasyon Anonim Sirketi

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ASN API & Database

Downstreams

There are 3 downstreams for this ASN.

Downstreams	Name
AS209737	Meric Internet Teknolojileri A.S.
AS214941	UPCELL TELEKOMUNIKASYON LIMITED SIRKETI
AS47894	VERITEKNIK BILISIM BASIN VE YAYIN LIMITED SIRKETI

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
178.251.42.41	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.43ms` from Izmir, TR
37.202.51.1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`0.66ms` from Sofia, BG
178.251.43.249	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.49ms` from Izmir, TR
178.251.45.48	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.55ms` from Izmir, TR
37.202.50.9	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`9.40ms` from Istanbul, TR
37.202.54.161	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`9.85ms` from Istanbul, TR
37.202.48.187	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`9.02ms` from Istanbul, TR
37.202.49.53	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`5.54ms` from Bursa, TR
37.202.52.1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`12.20ms` from Bursa, TR
213.146.190.6	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`0.65ms` from Sofia, BG
37.202.55.201	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`9.40ms` from Istanbul, TR
178.251.41.29	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.49ms` from Izmir, TR
178.251.40.246	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.60ms` from Izmir, TR
37.202.53.197	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`9.41ms` from Istanbul, TR
178.251.44.39	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`0.61ms` from Sofia, BG
178.251.46.201	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.73ms` from Izmir, TR
178.251.47.153	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`5.39ms` from Bursa, 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
85.215.129.199	AS8560 IONOS SE	`0.65ms` from Berlin, DE
38.125.2.103	AS174 Cogent Communications, LLC	`2.01ms` from Lincoln, US
76.217.183.247	AS7018 AT&T Enterprises, LLC	`16.32ms` from Los Angeles, US
46.27.177.103	AS12430 VODAFONE ESPANA S.A.U.	`7.79ms` from Madrid, ES
38.48.183.39	AS54600 PEG TECH INC	`0.63ms` from San Jose, US
187.121.107.183	AS19182 TELEFÔNICA BRASIL S.A	`7.78ms` from Sao Paulo, BR
222.115.71.55	AS4766 Korea Telecom	`7.87ms` from Seoul, KR
119.199.64.71	AS4766 Korea Telecom	`6.94ms` from Seoul, KR
42.127.197.247	AS10010 TOKAI Communications Corporation	`17.66ms` from Tokyo, JP
38.2.240.103	AS401377 PUMA SERVERS LLC	`0.40ms` from Ashburn, US
52.182.93.231	AS8075 Microsoft Corporation	`0.82ms` from Des Moines, US
131.234.141.7	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`5.25ms` from Duesseldorf, DE
217.249.205.7	AS3320 Deutsche Telekom AG	`8.62ms` from Frankfurt am Main, DE
5.76.39.23	AS9198 JSC Kazakhtelecom	`4.68ms` from Karagandy, KZ
118.181.12.247	AS4134 CHINANET-BACKBONE	`16.42ms` from Lanzhou, CN
201.170.215.247	AS8151 UNINET	`4.08ms` from Los Angeles, US
163.139.43.103	AS2519 ARTERIA Networks Corporation	`0.65ms` from Osaka, JP
131.254.60.23	AS1938 Renater	`7.03ms` from Paris, FR
186.234.192.71	AS13878 Scala Data Centers	`1.24ms` from Sao Paulo, BR
110.144.218.71	AS1221 Telstra Limited	`2.15ms` from Sydney, AU
73.72.240.23	AS7922 Comcast Cable Communications, LLC	`11.94ms` from Chicago, US
125.62.45.71	AS17969 ChongQing Broadcast & TV Transfer Network Co. Ltd	`4.71ms` from Chongqing, CN
34.171.175.23	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
104.128.225.151	AS7489 HostUS	`0.12ms` from Dallas, US
52.50.18.183	AS16509 Amazon.com, Inc.	`0.20ms` from Dublin, IE

Traceroute

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

traceroute -a -n -q1 -f3 178.251.40.62

traceroute to 178.251.40.62 (178.251.40.62): 64 hops max, 52 byte packets

3 [AS15694] 217.17.33.55 4.695 ms

4 [] 80.81.196.193 60.89 ms

5 [AS6823] 178.251.40.62 50.287 ms

Measurement taken from

IPinfo ProbeNet in Warsaw, PL

On January 19th 2026

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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 AS6823 at robtex.

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