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	206
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	2 months 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	Managed by 3C1B - IP Address Manager	256
37.202.49.0/24	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	256
37.202.50.0/24	Managed by 3C1B - IP Address Manager	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	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	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 Customer Networks	256
178.251.42.0/24	3c1b Customer Networks	256
178.251.43.0/24	3c1b Customer Networks	256
178.251.44.0/24	3c1b Customer Networks	256
178.251.45.0/24	3c1b Customer Networks	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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IP WHOIS API & Database

Hosted Domains

There are 206 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	██████████	28
37.202.48.147	██████████	12
178.251.45.173	██████████	12
37.202.52.3	██████████	10
178.251.42.86	██████████	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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Peers

There are 150 peers for this ASN.

Peers	Name
AS1103	SURF B.V.
AS1140	Stichting Internet Domeinregistratie Nederland
AS1239	Cogent Communications, LLC
AS12552	GlobalConnect AB
AS12637	SEEWEB s.r.l.
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
AS198150	SIACOM JSC
AS198385	AlpineDC SA
AS199524	G-Core Labs S.A.
AS199938	Netzwerge GmbH
AS20485	Joint Stock Company TransTeleCom
AS205103	Telegraph42 Management GmbH
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
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
AS24482	SG.GS
AS24961	WIIT AG
AS25091	IP-Max SA
AS25160	Vorboss Limited
AS25220	equada network GmbH
AS263444	Open X Tecnologia Ltda
AS264409	GRUPO YAX
AS264479	Turbozone Internet
AS271253	LINK BRASIL TELECOMUNICACOES LTDA
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"
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
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
AS37721	Virtual Technologies & Solutions
AS38082	True International Gateway Co., Ltd.
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
AS4455	IX Reach Ltd
AS44901	Belcloud LTD
AS45352	IP ServerOne Solutions Sdn Bhd
AS45489	Sri Lanka Telecom PLC, GLobal Peering
AS4651	National Telecom Public Company Limited
AS47147	Anexia Cloud Solutions GmbH
AS47692	Nessus GmbH

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ASN API & Database

Upstreams

There are 7 upstreams for this ASN.

upstreams	Name
AS174	Cogent Communications, LLC
AS44901	Belcloud LTD
AS5405	Inter.link GmbH
AS6204	INTERKVM HOST SRL
AS6939	Hurricane Electric LLC
AS9002	RETN Limited
AS9121	Turk Telekomunikasyon Anonim Sirketi

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ASN API & Database

Downstreams

There are 2 downstreams for this ASN.

Downstreams	Name
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
178.251.41.19	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.57ms` from Istanbul, TR
37.202.55.109	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.66ms` from Istanbul, TR
178.251.42.41	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.52ms` from Istanbul, TR
37.202.54.153	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.89ms` from Istanbul, TR
37.202.53.152	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.70ms` from Istanbul, TR
37.202.51.2	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.79ms` from Istanbul, TR
178.251.45.241	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.65ms` from Istanbul, TR
37.202.50.81	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.57ms` from Istanbul, TR
178.251.47.185	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`5.25ms` from Bursa, TR
37.202.48.161	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.42ms` from Istanbul, TR
213.146.190.21	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.66ms` from Istanbul, TR
37.202.49.53	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`5.28ms` from Bursa, TR
178.251.46.182	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.76ms` from Istanbul, TR
178.251.40.17	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.81ms` from Istanbul, TR
178.251.44.39	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`0.58ms` from Sofia, BG
37.202.52.1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`12.04ms` from Bursa, TR
178.251.43.26	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`6.52ms` 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
101.98.138.151	AS9790 Two Degrees Networks Limited	`1.27ms` from Auckland, NZ
203.184.52.39	AS9790 Two Degrees Networks Limited	`1.31ms` from Auckland, NZ
123.145.103.167	AS4837 CHINA UNICOM China169 Backbone	`2.51ms` from Chongqing, CN
16.65.45.7	AS8987 Amazon Data Services Ireland Ltd	`0.81ms` from Columbus, US
66.139.160.103	AS7018 AT&T Enterprises, LLC	`9.79ms` from Dallas, US
138.255.231.199	AS263995 LINK BRASIL LTDA	`19.87ms` from Fortaleza, BR
59.21.136.7	AS4766 Korea Telecom	`6.92ms` from Incheon, KR
89.141.171.247	AS12430 VODAFONE ESPANA S.A.U.	`13.93ms` from Madrid, ES
46.27.60.55	AS12430 VODAFONE ESPANA S.A.U.	`3.88ms` from Madrid, ES
87.3.204.199	AS3269 Telecom Italia S.p.A.	`1.32ms` from Milan, IT
23.215.41.119	AS16625 Akamai Technologies, Inc.	`2.98ms` from Monterrey, MX
189.51.197.231	AS28352 NETSPEED LTDA	`7.04ms` from Osasco, BR
195.131.134.183	AS12714 PJSC MegaFon	`19.09ms` from Saint Petersburg, RU
54.151.121.247	AS16509 Amazon.com, Inc.	`0.17ms` from San Jose, US
71.33.7.7	AS19901 Brightspeed	`6.04ms` from Atlanta, US
179.221.6.167	AS28573 Claro NXT Telecomunicacoes Ltda	`17.33ms` from Brasilia, BR
123.96.108.151	AS4134 CHINANET-BACKBONE	`10.36ms` from Hangzhou, CN
58.183.20.87	AS18144 Enecom,Inc.	`3.44ms` from Hiroshima, JP
120.192.148.103	AS24444 Shandong Mobile Communication Company Limited	`4.45ms` from Jinan, CN
194.36.225.23	AS15814 Clearstream Services S.A.	`1.80ms` from Luxembourg, LU
92.177.90.39	AS12479 Orange Espagne SA	`7.58ms` from Madrid, ES
60.153.183.7	AS17676 SoftBank Corp.	`4.22ms` from Osaka, JP
100.34.144.135	AS701 Verizon Business	`1.18ms` from Philadelphia, US
34.50.57.87	AS396982 Google LLC	`0.09ms` from Seoul, KR
27.233.8.55	AS4766 Korea Telecom	`2.94ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 -f2 178.251.44.39

traceroute to 178.251.44.39 (178.251.44.39): 64 hops max, 52 byte packets

2 [] 193.169.198.192 0.544 ms

3 [AS6823] 178.251.44.39 1.023 ms

Measurement taken from

IPinfo ProbeNet in Sofia, BG

On March 13th 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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