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	4 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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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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Peers

There are 154 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.
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
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
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
AS24940	Hetzner Online GmbH
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
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
AS3223	Voxility LLP
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
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
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
AS47147	Anexia Cloud Solutions GmbH

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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
178.251.42.241	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.46ms` from Izmir, TR
37.202.55.69	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.58ms` from Izmir, TR
178.251.45.48	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.53ms` from Izmir, TR
37.202.54.153	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.73ms` from Izmir, TR
213.146.190.2	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.04ms` from Bursa, TR
178.251.46.110	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.57ms` from Izmir, TR
37.202.52.1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`22.20ms` from Izmir, TR
178.251.43.249	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.50ms` from Izmir, TR
178.251.41.20	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.51ms` from Izmir, TR
37.202.51.129	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.73ms` from Izmir, TR
2a01:6be0::1	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`19.98ms` from Thessaloniki, GR
37.202.50.10	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.47ms` from Izmir, TR
178.251.40.170	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.65ms` from Izmir, TR
37.202.48.233	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.45ms` from Izmir, TR
178.251.44.39	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`0.48ms` from Sofia, BG
178.251.47.185	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`9.06ms` from Sofia, BG
37.202.53.120	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.68ms` from Izmir, TR
37.202.49.106	AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	`7.48ms` from Izmir, 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
52.13.232.231	AS16509 Amazon.com, Inc.	`0.21ms` from Boardman, US
128.135.100.215	AS160 The University of Chicago	`0.78ms` from Chicago, US
172.121.218.7	AS3257 GTT Communications Inc.	`0.22ms` from Dallas, US
177.211.123.7	AS134175 SH2206	`0.72ms` from Hong Kong, HK
206.42.108.167	AS174 Cogent Communications, LLC	`0.71ms` from Los Angeles, US
35.200.183.215	AS396982 Google LLC	`0.09ms` from Mumbai, IN
60.153.183.7	AS17676 SoftBank Corp.	`4.22ms` from Osaka, JP
78.199.48.23	AS12322 Free SAS	`6.53ms` from Paris, FR
92.149.187.215	AS3215 Orange S.A.	`8.56ms` from Paris, FR
104.198.0.231	AS396982 Google LLC	`0.16ms` from The Dalles, US
60.121.93.199	AS17676 SoftBank Corp.	`3.34ms` from Tokyo, JP
126.74.31.7	AS17676 SoftBank Corp.	`7.70ms` from Tokyo, JP
68.48.235.247	AS7922 Comcast Cable Communications, LLC	`8.68ms` from Flint, US
122.245.234.247	AS4134 CHINANET BACKBONE	`10.26ms` from Hangzhou, CN
31.126.178.23	AS2856 British Telecommunications PLC	`11.39ms` from London, GB
112.237.182.7	AS4837 CHINA UNICOM China169 Backbone	`10.66ms` from Qingdao, CN
101.78.102.87	AS9506 Singtel Fibre Broadband	`1.41ms` from Singapore, SG
219.148.106.55	AS4134 CHINANET BACKBONE	`12.93ms` from Tianjin, CN
125.62.45.71	AS17969 ChongQing Broadcast & TV Transfer Network Co. Ltd	`4.73ms` from Chongqing, CN
117.210.195.71	AS9829 National Internet Backbone	`15.35ms` from Delhi, IN
101.68.123.71	AS4837 CHINA UNICOM China169 Backbone	`5.00ms` from Hangzhou, CN
90.215.223.55	AS5607 Sky UK Limited	`1.10ms` from London, GB
172.118.243.215	AS20001 Charter Communications Inc	`5.53ms` from Los Angeles, US
80.26.217.55	AS3352 TELEFONICA DE ESPANA S.A.U.	`3.34ms` from Madrid, ES
54.82.12.135	AS14618 Amazon.com, Inc.	`0.36ms` from Reston, US

Traceroute

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

traceroute -a -n -q1 -f4 37.202.51.2

traceroute to 37.202.51.2 (37.202.51.2): 64 hops max, 52 byte packets

4 [AS9121] 81.212.24.84 0.651 ms

5 [AS9121] 212.156.118.83 7.305 ms

6 [AS9121] 81.212.210.100 7.545 ms

7 [AS9121] 81.212.211.201 7.581 ms

8 [AS6823] 37.202.51.2 7.852 ms

Measurement taken from

IPinfo ProbeNet in Izmir, TR

On April 24th 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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