Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS6823
TR-3C1B-TELEKOM 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S. Announcing routesAS nameTR-3C1B-TELEKOM
Organisationmnt-3c1b
Registry (RIR)RIPE NCC
HandleAS6823
RangeAS6823
Registered01 Apr 2011
Last changed31 Aug 2026
Abuse contact[email protected]
18IPv4 prefixes
1IPv6 prefixes
72Upstreams
6Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS5405 | INTERDOTLINK Inter.link GmbH | 536 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 255 |
| AS174 | COGENT-174 - Cogent Communications, LLC | 109 |
| AS44901 | belcloud Belcloud LTD | 99 |
| AS6204 | ZET-NET INTERKVM HOST SRL | 42 |
| AS4849 | S3Company S3 Company Ltd | 38 |
| AS34019 | HIVANE Hivane Association | 12 |
| AS34549 | MEER-AS meerfarbig GmbH & Co. KG | 12 |
| AS34927 | iFog-GmbH iFog GmbH | 11 |
| AS39351 | ESAB-AS 31173 Services AB | 11 |
| AS14840 | AS14840 - BR.Digital Telecom | 10 |
| AS24961 | MYLOC-AS WIIT AG | 9 |
| AS58057 | SECUREBIT Securebit AG | 9 |
| AS20764 | RASCOM-AS CJSC RASCOM | 8 |
| AS34177 | CELESTE-AS Celeste SAS | 8 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS47894 | VERITEKNIK Veriteknik Bilisim Basin Ve Yayin Limited Sirketi | 508 |
| AS60847 | AUTO-1 Karel Iletisim Hizmetleri A.S. | 308 |
| AS8685 | DorukNet Doruk Iletisim ve Otomasyon Sanayi ve Ticaret A.S. | 227 |
| AS204647 | MIXNET-AS MIXNET TELEKOMUNIKASYON HIZMETLERI AS | 156 |
| AS199099 | ERLION ERLION BILISIM LIMITED SIRKETI | 31 |
| AS200010 | OLFE Olfe Veri Merkezi Anonim Sirketi | 19 |
IPv4 prefixes (18)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS6823
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative | Cenk H. Keylan | CHK7-RIPE | +90-312-988-0000, +90-312-988-1000 | 3C1B Telekomunikasyon ve Internet Hizmetleri San.ve Tic. Ltd. Sti., Mustafa Kemal Mahallesi, 2125 Sokak No:6, Kolbay Is Merkezi A Blok D1, 06510 Cankaya Ankara Turkiye |
| registrant | mnt-3c1b | mnt-3c1b | ||
| technical | noc_3c1b Telekom | NT1402-RIPE | +90-312-988-0000 | Mustafa Kemal Mahallesi, 2125 Sokak No: 6, Kolbay Is Merkezi A Blok D1, 06510 Cankaya Ankara TURKEY |
| registrant | 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S. | ORG-TvIH1-RIPE | +903129880000, +908509880000, +903129881000 | MUSTAFA KEMAL MAHALLESI, 2141 CADDESI, No.33/2, 06510, ANKARA, TURKEY |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | Abuse Contact | CK3267-RIPE | [email protected], +90-312-9880000 | Ankara, TR |
| administrative, technical | Cenk H. Keylan | CHK7-RIPE | +90-312-988-0000, +90-312-988-1000 | 3C1B Telekomunikasyon ve Internet Hizmetleri San.ve Tic. Ltd. Sti., Mustafa Kemal Mahallesi, 2125 Sokak No:6, Kolbay Is Merkezi A Blok D1, 06510 Cankaya Ankara Turkiye |
| registrant | mnt-3c1b | mnt-3c1b |
Raw registry response
{
"handle": "AS6823",
"startAutnum": 6823,
"endAutnum": 6823,
"name": "TR-3C1B-TELEKOM",
"status": [
"active"
],
"entities": [
{
"handle": "CHK7-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Cenk H. Keylan"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "3C1B Telekomunikasyon ve Internet Hizmetleri San.ve Tic. Ltd. Sti.\nMustafa Kemal Mahallesi, 2125 Sokak No:6\nKolbay Is Merkezi A Blok D1\n06510 Cankaya Ankara Turkiye"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+90-312-988-0000"
],
[
"tel",
{
"type": "fax"
},
"text",
"+90-312-988-1000"
]
]
],
"roles": [
"administrative"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/CHK7-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "mnt-3c1b",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"mnt-3c1b"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/mnt-3c1b"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "NT1402-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"noc_3c1b Telekom"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Mustafa Kemal Mahallesi, 2125 Sokak No: 6\nKolbay Is Merkezi A Blok D1\n06510 Cankaya Ankara TURKEY"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+90-312-988-0000"
]
]
],
"roles": [
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/NT1402-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "ORG-TvIH1-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S."
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "MUSTAFA KEMAL MAHALLESI, 2141 CADDESI, No.33/2\n06510\nANKARA\nTURKEY"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+903129880000"
],
[
"tel",
{
"type": "voice"
},
"text",
"+908509880000"
],
[
"tel",
{
"type": "fax"
},
"text",
"+903129881000"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ORG-TvIH1-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "RIPE-NCC-END-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"RIPE-NCC-END-MNT"
],
[
"kind",
[],
"text",
"individual"
],
[
"org",
[],
"text",
"ORG-NCC1-RIPE"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/RIPE-NCC-END-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "CK3267-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Abuse Contact"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Ankara, TR"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+90-312-9880000"
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"abuse"
],
"entities": [
{
"handle": "CHK7-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Cenk H. Keylan"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "3C1B Telekomunikasyon ve Internet Hizmetleri San.ve Tic. Ltd. Sti.\nMustafa Kemal Mahallesi, 2125 Sokak No:6\nKolbay Is Merkezi A Blok D1\n06510 Cankaya Ankara Turkiye"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+90-312-988-0000"
],
[
"tel",
{
"type": "fax"
},
"text",
"+90-312-988-1000"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/CHK7-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "mnt-3c1b",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"mnt-3c1b"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/mnt-3c1b"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
}
],
"objectClassName": "entity"
}
],
"remarks": [
{
"description": [
"------------ TO UPLINKS -----------------------------",
"--------------------------------------------------------",
"------------ TO IX -----------------------------",
"------------ TO PEERS -------------------------------",
"------------ IPv6 POLICY -------------------------------",
"------------ FROM ALL (IPv6) ---------------------------",
"------------ TO UPLINKS (IPv6) -------------------------",
"------------ TO CUSTOMERS (IPv6) -----------------------",
"------------ TO IX (IPv6) ------------------------------",
"------------ TO PEERS (IPv6) ---------------------------"
]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS6823",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS6823?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "rdap-down",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS6823",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS6823",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS6823?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS6823",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "self",
"href": "https://rdap.db.ripe.net/autnum/6823",
"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-04-01T12:06:28Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-08-30T20:40:19Z"
}
],
"rdapConformance": [
"nro_rdap_profile_asn_flat_0",
"rirSearch1",
"autnums",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
}
]
},
{
"title": "Source",
"description": [
"Objects returned came from source",
"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the RIPE Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/6823",
"rel": "terms-of-service",
"href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
"type": "application/pdf"
}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "autnum",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='NT1402-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ORG-TvIH1-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='CK3267-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
}
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.
