Autonomous System details

AS6823

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

Turkey

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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	158,456,325,028,528,677,200,000,000,000
ASN type	ISP
Registry	ripe
Allocated	15 years ago on Apr 01, 2011
Updated	3 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	Dynamic PPPoE Users	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	PPPoE Static IP Users	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	██████████	46
178.251.42.3	██████████	26
37.202.48.147	██████████	12
178.251.42.86	██████████	10
37.202.52.3	██████████	10
178.251.46.233	██████████	5
178.251.43.250	██████████	5
178.251.45.173	█████████	4
178.251.45.241	██████████	4
37.202.48.26	██████████	3

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Hosted Domains API & Database

Peers

There are 172 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.
AS1267	WIND TRE S.P.A.
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.
AS15802	Emirates Integrated Telecommunications Company PJSC
AS15958	CETINdoo-NET
AS174	Cogent Communications, LLC
AS17557	Pakistan Telecommunication Company Limited
AS17639	Converge ICT Solutions Inc.
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS18106	Viewqwest Pte Ltd
AS1828	Unitas Global
AS1836	green.ch AG
AS18403	FPT Telecom Company
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
AS20562	Broadband Hosting B.V.
AS206356	Freifunk Essen e.V.
AS20764	CJSC RASCOM
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
AS22356	Durand do Brasil Ltda
AS24482	SG.GS
AS24889	Monzoon Networks AG
AS24940	Hetzner Online GmbH
AS24961	WIIT AG
AS25091	IP-Max SA
AS25160	Vorboss Limited
AS25220	equada network GmbH
AS25818	cmcnetworks
AS263444	Open X Tecnologia Ltda
AS264409	GRUPO YAX
AS264479	Turbozone Internet
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.
AS29632	Netassist International EOOD
AS29691	Nine Internet Solutions AG
AS29838	Atlantic Metro Communications II, Inc.
AS30781	Free Pro SAS
AS30844	Liquid Telecommunications Ltd
AS31027	GlobalConnect A/S
AS31133	PJSC MegaFon
AS31510	Innsbrucker Kommunalbetriebe AG
AS3212	Telemach Slovenija d.o.o.
AS3214	xTom GmbH
AS3216	PJSC Vimpelcom
AS3223	Voxility LLP
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
AS33891	Core-Backbone GmbH
AS3399	Obenet AB
AS34019	Hivane Association
AS34177	CELESTE SAS
AS34288	Kantonsschule Zug
AS34549	meerfarbig GmbH & Co. KG
AS34565	TurkIX Communications Ltd.
AS34927	iFog GmbH
AS35280	F5 Networks SARL
AS35360	Frederic Gargula
AS35598	INETCOM CARRIER LLC
AS35625	Eurofiber France SAS
AS36236	NetActuate, Inc
AS36994	Vodacom
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS38016	Nokia IP Networks Labs

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ASN API & Database

Upstreams

There are 8 upstreams for this ASN.

upstreams	Name
AS174	Cogent Communications, LLC
AS3223	Voxility LLP
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 3 downstreams for this ASN.

Downstreams	Name
AS214941	UPCELL TELEKOMUNIKASYON LIMITED SIRKETI
AS47894	Veriteknik Bilisim Basin Ve Yayin Limited Sirketi
AS8685	Doruk Iletisim ve Otomasyon Sanayi ve Ticaret A.S.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
178.251.43.53	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.62ms` from Izmir, TR
178.251.45.10	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.72ms` from Izmir, TR
213.146.190.9	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.56ms` from Bursa, TR
178.251.44.39	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`0.57ms` from Sofia, BG
37.202.52.1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`12.02ms` from Bursa, TR
178.251.41.105	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.67ms` from Bursa, TR
178.251.46.110	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.67ms` from Bursa, TR
37.202.55.133	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.76ms` from Bursa, TR
37.202.53.211	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.85ms` from Bursa, TR
178.251.40.65	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.62ms` from Izmir, TR
37.202.51.129	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`8.73ms` from Bursa, TR
37.202.54.138	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`8.04ms` from Bursa, TR
178.251.42.137	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.58ms` from Bursa, TR
178.251.47.185	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`5.23ms` from Bursa, TR
37.202.49.53	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`5.25ms` from Bursa, TR
37.202.48.131	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.46ms` from Izmir, TR
37.202.50.10	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.57ms` from Bursa, TR
2a01:6be0::1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`11.78ms` 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
98.111.254.135	AS701 Verizon Business	`6.66ms` from Ashburn, US
27.69.234.103	AS7552 Viettel Group	`3.14ms` from Ho Chi Minh City, VN
185.189.177.247	AS42130 RUIZ & COSTA INVERSIONES SL	`6.56ms` from Madrid, ES
115.36.69.23	AS18126 Chubu Telecommunications Company, Inc.	`6.00ms` from Osaka, JP
54.82.12.135	AS14618 Amazon.com, Inc.	`0.32ms` from Reston, US
189.62.233.119	AS28573 Claro NXT Telecomunicacoes Ltda	`5.99ms` from Sao Paulo, BR
34.136.150.183	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
214.78.159.87	AS5972 United States Department of Defense (DoD)	`10.11ms` from Frankfurt am Main, DE
1.207.248.167	AS4134 CHINANET-BACKBONE	`5.52ms` from Guiyang, CN
194.60.174.215	AS33953 Experian International Unlimited	`7.57ms` from London, GB
180.126.235.247	AS4134 CHINANET-BACKBONE	`7.19ms` from Nanjing, CN
130.156.20.7	AS21976 NJEDge.Net, Inc.	`4.51ms` from New York City, US
80.150.152.231	AS3320 Deutsche Telekom AG	`0.90ms` from Nuernberg, DE
186.234.192.71	AS13878 Scala Data Centers	`1.01ms` from Osasco, BR
162.144.119.183	AS46606 Unified Layer	`2.04ms` from Salt Lake City, US
175.244.90.199	AS4766 Korea Telecom	`7.11ms` from Seoul, KR
52.76.81.119	AS16509 Amazon.com, Inc.	`0.11ms` from Singapore, SG
85.231.18.39	AS8434 Telenor Sverige AB	`2.16ms` from Stockholm, SE
126.14.0.103	AS17676 SoftBank Corp.	`11.19ms` from Tokyo, JP
172.176.161.119	AS8075 Microsoft Corporation	`0.17ms` from Boydton, US
72.131.47.23	AS10796 Charter Communications Inc	`8.59ms` from Chicago, US
75.216.194.183	AS6167 Verizon Business	`13.65ms` from Chicago, US
3.143.91.231	AS16509 Amazon.com, Inc.	`0.13ms` from Columbus, US
34.251.46.167	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
91.55.22.55	AS3320 Deutsche Telekom AG	`1.44ms` from Duesseldorf, DE

Traceroute

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

traceroute -a -n -q1 -f8 178.251.42.58

traceroute to 178.251.42.58 (178.251.42.58): 64 hops max, 52 byte packets

8 [AS6823] 178.251.42.58 75.619 ms

Measurement taken from

IPinfo ProbeNet in Bacau, RO

On April 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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