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- Registered on
- 22 Jul 2002 (23 years old)
- Registered to
- A929D872 (apnic)
- Prefix status
- Active, Allocated under APNIC
- Size of prefix
- 1 /24's
Less Specific Announcements
| Prefix | Description | |
|---|---|---|
|
220.66.0.0/16 | Korean Education Network |
Chart Display Options
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | |
|---|---|---|
 |
AS6830 | Liberty Global Europe Holding B.V. |
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AS3491 | PCCW Global (HK) Ltd. |
 |
AS2914 | NTT America, Inc. |
 |
AS1299 | Arelion (fka. Telia Carrier) |
|
AS3356 | Lumen (Level 3) |
|
AS6453 | TATA Communications (America) Inc |
|
AS174 | Cogent Communications, LLC |
Peers
| ASN | Description | |
|---|---|---|
 |
AS57758 | CBWS Holding B.V. |
 |
AS197301 | Parknet F.M.B.A. |
 |
AS8764 | Telia Lietuva, AB |
|
AS8315 | WorldStream B.V. |
|
AS32943 | Web of Nevada |
|
AS62887 | WhiteSky Communications, LLC. |
 |
AS6823 | 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S. |
|
AS58075 | X2com BV |
 |
AS3303 | Swisscom (Schweiz) AG |
|
AS58057 | Securebit AG |
 |
AS209768 | white2net Srl |
 |
AS20292 | miriquidi networks GmbH |
|
AS917 | Misaka Network, Inc. |
 |
AS199081 | Lancom Ltd. |
|
AS29691 | Nine Internet Solutions AG |
|
AS38008 | Aperture Science Limited |
|
AS8455 | atom86 BV |
 |
AS44901 | Belcloud LTD |
 |
AS394256 | Tech Futures Interactive Inc. |
 |
AS28283 | Adyl Telecom |
 |
AS2854 | LLC Orange Business Services |
 |
AS36994 | Vodacom |
|
AS202224 | Giannis Kontos |
|
AS13058 | serve-u - Buchholz und Sünderhauf GbR |
|
AS51202 | NUXOA GmbH |
|
AS57463 | NetIX Communications JSC |
 |
AS6057 | Administracion Nacional de Telecomunicaciones |
|
AS12859 | BIT BV |
|
AS52112 | Gentlent GmbH |
 |
AS42473 | Anexia Cloud Solutions GmbH |
|
AS53597 | Hoyos Consulting LLC |
 |
AS9299 | PLDT (Philippine Long Distance Telephone Company) |
|
AS208972 | GIBIRNet Iletisim |
 |
AS29049 | Delta Telecom Ltd |
 |
AS47605 | FNE-Finland Oy |
|
AS208016 | The Infrastructure Company GmbH |
 |
AS29208 | Quantcom, a.s. |
|
AS4213 | Krypt Technologies |
|
AS18451 | LES.NET |
|
AS36530 | IDC Cube |
|
AS34953 | RelAix Networks GmbH |
 |
AS60602 | Inovare-Prim SRL |
|
AS6774 | BICS (Belgacom) |
|
AS21013 | eww ag |
|
AS11164 | Internet2 I2PX |
|
AS32133 | Ting Fiber Inc. |
 |
AS206014 | SARL IPSET |
|
AS209090 | Association Stolon |
|
AS207315 | Stichting Internet Archive |
|
AS8473 | Bahnhof AB |
|
AS3330 | eww ag |
|
AS215787 | TELE90 Telecom GmbH |
|
AS151338 | PoloNetwork Limited |
 |
AS28716 | Retelit Digital Services S.p.A. |
 |
AS132337 | Axclusive |
|
AS250 | AS250.net Foundation |
 |
AS38158 | PT Cyberindo Aditama |
|
AS64475 | Freifunk Frankfurt am Main e.V. |
 |
AS35320 | Eurotranstelecom Ltd |
|
AS12941 | intersaar GmbH |
 |
AS3212 | Telemach Slovenija d.o.o. |
|
AS25394 | MK Netzdienste Verwaltungs GmbH trading as MK Netzdie... |
|
AS4775 | Globe Telecoms |
|
AS20055 | Ziply Fiber |
 |
AS133504 | PAOCLOUD |
|
AS142271 | EWS DS Networks Inc |
|
AS15830 | Equinix, Inc. |
|
AS8767 | M-net Telekommunikations GmbH |
|
AS7782 | Alaska Communications Systems Group, Inc. |
|
AS64404 | Stichting EventInfra |
|
AS24679 | kyberio GmbH |
 |
AS50131 | Spartan Host Ltd |
|
AS135607 | Infinivan Incorporated |
|
AS8881 | 1&1 Versatel GmbH |
|
AS13237 | euNetworks GmbH |
 |
AS60280 | National Traffic Exchange Center (Belarus) |
|
AS44620 | Netlen Internet Hizmetleri Ltd. Sti. |
|
AS36236 | NetActuate, Inc |
|
AS49304 | SAKURA LINK LIMITED |
|
AS10242 | US Internet Corp |
|
AS5713 | Telkom SA Ltd. |
|
AS264409 | Huge Networks |
|
AS54309 | NEGU |
 |
AS8932 | Ucom CJSC |
|
AS62023 | NYNEX satellite OHG |
|
AS9304 | HGC Global Communications Limited |
|
AS15943 | wilhelm.tel GmbH |
|
AS35598 | INETCOM CARRIER LLC |
|
AS15169 | Google LLC |
 |
AS30990 | Djibouti Telecom SA |
 |
AS24724 | Atman Sp. z o.o. |
|
AS35297 | Dataline LLC |
|
AS215887 | Serhiy Bobrov |
 |
AS38193 | Transworld Associates (Pvt.) Ltd. |
|
AS20485 | TransTeleCom JSC |
|
AS23428 | ServerForge LLC |
|
AS57304 | RETN Russia |
|
AS12387 | TON Total optical Networks AG |
|
AS18187 | Ignite Telecommunications Inc |
|
AS31319 | ESTRACOM SPA |
 |
AS29467 | LUXNETWORK S.A. |
|
AS13415 | FirstDigital Communications, LLC |
 |
AS8551 | Bezeq International Ltd. |
 |
AS9050 | Orange Romania S.A. |
|
AS19754 | The Fusion Network, LLC |
|
AS215296 | Raoul Brouns is trading as LowPing NL |
|
AS46427 | SF Innovations Inc. |
|
AS44066 | firstcolo GmbH |
|
AS8758 | Iway AG |
|
AS4766 | Korea Telecom |
|
AS16097 | HL komm Telekommunikations GmbH |
 |
AS136557 | Host Universal Pty Ltd |
|
AS196925 | Azertelecom LLC |
|
AS1101 | SURF (Thunderlab) |
 |
AS8966 | Etisalat (E&) |
|
AS397326 | South Front Networks |
|
AS212815 | Dyjix SAS |
|
AS14537 | Continent 8 LLC |
|
AS23033 | Wowrack.com |
|
AS205112 | PHILUNET GmbH |
 |
AS2497 | Internet Initiative Japan Inc. |
|
AS63927 | RISE |
|
AS15412 | Flag Telecom UK Limited |
|
AS215248 | Bastiaan Mathijs Brink |
|
AS48646 | SDRmedia Verwaltungs GmbH |
|
AS7473 | Singapore Telecommunications Ltd |
|
AS8801 | Rocket Fibre Ltd |
|
AS328748 | Agile Solutions Provider (PTY) LTD |
|
AS199752 | Go-Trex Holding BV |
|
AS4651 | The Communications Authority of Thailand (CAT) |
|
AS23640 | BBIX,Inc. |
|
AS21473 | PFALZKOM GmbH |
|
AS208814 | Tilman Schaefers |
|
AS57777 | Jeroen Massar |
|
AS20764 | CJSC RASCOM |
|
AS56665 | Proximus Luxembourg S.A. |
|
AS51184 | Fonira Telekom GmbH |
|
AS199938 | Netzwerge GmbH |
|
AS12857 | Manage Now GmbH |
|
AS1820 | WNET TELECOM USA Corp. |
|
AS199471 | Marcel Straub |
|
AS49434 | FBW NETWORKS SAS |
|
AS8717 | A1 Bulgaria EAD |
|
AS215724 | Edgevana, Inc. |
|
AS31477 | Duocast B.V. |
|
AS20717 | DE-CIX Marseille Route Servers |
|
AS17433 | Hytron Network Services Limited |
|
AS4474 | TCT West, Inc. |
|
AS210752 | Global Legal Entity Identifier Foundation |
|
AS16276 | OVH SAS |
|
AS198016 | Michael Kieser |
|
AS203536 | FNOH DSL Suedheide GmbH |
 |
AS205329 | Kai-Jung Chen |
|
AS200242 | Ember Ana |
|
AS41666 | Institute for Pyrotechnical Cleaning (limited company) |
|
AS37271 | Workonline Communications(Pty) Ltd |
|
AS64049 | Reliance Jio Infocomm Pte. Ltd. |
|
AS12552 | GlobalConnect (IP-Only) |
|
AS4455 | IX Reach Ltd |
|
AS213279 | Reliably Coded B.V. |
|
AS263444 | Open X Tecnologia Ltda |
 |
AS2119 | Telenor Norge AS |
|
AS58212 | dataforest GmbH |
|
AS16909 | imput |
|
AS34177 | Celeste SAS |
|
AS60539 | Huicast Telecom Limited |
|
AS203489 | WiMore S.r.l. |
 |
AS5578 | SWAN, a.s. |
|
AS46733 | x6c |
|
AS9008 | Visual Online S.A. |
|
AS7713 | PT Telkom Indonesia Tbk |
|
AS53062 | ALT | GRUPO BRASIL TECPAR |
|
AS27578 | AirBridge Broadband LLC |
|
AS7575 | Australian Academic and Research Network (AARNet) |
|
AS1836 | green.ch AG |
 |
AS60171 | AFR-IX TELECOM S.A. |
|
AS212895 | Johannes Ernst |
|
AS4601 | Antonios A. Chariton |
|
AS20495 | We Dare B.V. |
|
AS1103 | SURF B.V. |
|
AS215638 | Cilix Limited |
|
AS40350 | Key Cooperative |
|
AS34307 | NL-ix Route Servers |
|
AS62642 | Bigleaf Networks, Inc. |
|
AS45701 | PT Internet Madju Abad Milenindo |
|
AS34428 | Giulio Lo Presti |
|
AS25160 | Vorboss Limited |
|
AS140627 | OneQode |
|
AS46997 | Black Mesa Corporation |
 |
AS18403 | FPT Telecom Company |
|
AS48314 | IP-Projects GmbH & Co. KG |
|
AS15694 | Atman Sp. z o.o. |
|
AS7768 | Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAY... |
 |
AS37662 | West Indian Ocean Cable Company (WIOCC) |
|
AS24482 | SG.GS |
|
AS12389 | Rostelecom PJSC |
|
AS198385 | AlpineDC SA |
|
AS48266 | Catixs Ltd |
 |
AS214145 | Seyed Pouria Mousavizadeh Tehrani |
|
AS60345 | icixs networks GmbH |
|
AS60404 | The Infrastructure Group B.V. |
 |
AS4842 | Tianhai InfoTech |
|
AS57344 | Telehouse EAD |
|
AS400818 | Ausra LLC |
|
AS30766 | GGEW net GmbH |
|
AS55285 | Serverside.com |
|
AS8772 | NetAssist LLC |
|
AS2515 | Japan Network Information Center |
|
AS215760 | Adam Grazioli |
|
AS60144 | 3W Infra B.V. |
|
AS8540 | AMA netwoRX GmbH |
|
AS205614 | Medialine EuroTrade AG |
|
AS211623 | NAML B.V. |
|
AS41960 | Nextpertise B.V. |
|
AS32590 | Valve Corporation |
|
AS14907 | Wikimedia Foundation Inc. |
|
AS206735 | Novelcomm LP |
|
AS955 | LSHIY LLC |
|
AS51465 | M3.NET Sp. z o.o. / Fixmap Group |
|
AS393577 | Tritan Development |
|
AS10036 | DLIVE |
|
AS1828 | PacketFabric / Unitas Global |
|
AS553 | BelWü |
|
AS39351 | 31173 Services AB |
|
AS54429 | Local Connectivity Lab |
|
AS18914 | ETS TELECOM |
|
AS10111 | Zeofast Network |
|
AS9457 | DREAMLINE CO. |
|
AS215828 | Tizian Maxime Weigt trading as "TMW Global Networks" |
|
AS63774 | Kamoike.net LLP |
|
AS58453 | China Mobile International |
|
AS56987 | ABACLOUDA SAS |
|
AS212635 | Jurrian van Iersel |
|
AS140227 | Hong Kong Communications International Co., Limited |
|
AS249 | Packet Star Networks Limited |
|
AS398465 | Rackdog LLC |
|
AS212855 | Jelle Luteijn |
|
AS138997 | Eons Data Communications Limited |
|
AS27523 | Kawaii Networks LLC |
|
AS213052 | Bram Wittendorp trading as BittenBytes |
|
AS48927 | ESEVEN DevOps GmbH |
|
AS47526 | handily networks GmbH |
|
AS12676 | HKN GmbH |
|
AS48362 | Stadtwerke Feldkirch |
|
AS6695 | DE-CIX Frankfurt Route Servers |
|
AS212477 | RoyaleHosting B.V. |
|
AS12779 | IT.Gate S.p.A. |
|
AS8220 | COLT |
|
AS6206 | Netrouting B.V. |
|
AS395823 | doof.net |
|
AS200249 | Products Up GmbH |
|
AS8529 | Zain Omantel International FZ-LLC |
|
AS13101 | TNG Stadtnetz GmbH |
|
AS1764 | Next Layer Telecommunications |
|
AS212483 | LEVEL EIGHTY-SIX COMMUNICATIONS LTD |
|
AS9507 | NextHop Pty Ltd |
|
AS328366 | FIRSTNET TECHNOLOGY SERVICES (PTY) LTD |
|
AS33891 | Core-Backbone GmbH |
|
AS49600 | NEAR IP, S.L. |
|
AS203329 | NTT Global Data Centers EMEA GmbH |
|
AS20562 | Open Peering (Broadband Hosting B.V.) |
|
AS49127 | Asimo Networks B.V. |
|
AS214757 | Jakub Krsa |
|
AS30058 | FDCservers.net |
|
AS204059 | Neutrinet ASBL/VZW |
|
AS12400 | Partner Communications Ltd. |
|
AS200052 | Feral.io Ltd |
|
AS47689 | Pudu, LLC |
|
AS50673 | Serverius Holding B.V. |
|
AS47692 | Nessus GmbH |
|
AS22356 | Durand do Brasil Ltda |
|
AS21263 | TeleData GmbH |
|
AS13030 | Init7 (Switzerland) Ltd. |
|
AS207176 | OPENFIBER B.V. |
|
AS30844 | Liquid Intelligent Technologies |
|
AS209823 | Enki Multimedia EURL |
|
AS9286 | KINX |
|
AS216265 | ARISTO NETWORKS LTD |
|
AS62255 | BiMajLink d.o.o. |
 |
AS6424 | EDGOO NETWORKS |
|
AS34019 | Hivane Association |
|
AS29075 | IELO-LIAZO SERVICES SAS |
|
AS42541 | Fiberby ApS |
|
AS35280 | F5 Networks SARL |
|
AS13335 | Cloudflare, Inc. |
|
AS9848 | SEJONG NETWORKS |
|
AS6696 | VERIXI SA |
|
AS42708 | Glesys AB |
|
AS35625 | Eurofiber France SAS |
|
AS42739 | Hawe Telekom S.A. in Restructuring |
 |
AS11967 | Hop179 OU |
|
AS204092 | Association GRIFON |
|
AS2152 | CENIC - CalREN |
|
AS52075 | Wifirst S.A.S. |
 |
AS31500 | Global Network Management Inc |
|
AS3214 | xTom GmbH |
|
AS31027 | GlobalConnect A/S |
|
AS42184 | TKRZ Stadtwerke GmbH |
|
AS59105 | Home NOC Operators Group |
|
AS200132 | Peter-Paul Maria Kurstjens |
|
AS2635 | Automattic, Inc |
|
AS3462 | HiNet (Chunghwa Telecom) |
|
AS37100 | SEACOM Limited |
|
AS8298 | IPng Networks GmbH |
|
AS49544 | i3D.net B.V |
 |
AS9498 | Bharti Airtel Ltd. |
|
AS24785 | Joint Transit (Broadband Hosting B.V.) |
|
AS6667 | Elisa Oyj |
|
AS64289 | Macarne.com |
|
AS34549 | meerfarbig GmbH & Co. KG |
|
AS14840 | BR.DIGITAL |
|
AS60068 | Datacamp Limited (CDN77 / DataPacket) |
 |
AS52320 | V.tal (GlobeNet) |
|
AS25091 | IP-Max SA |
|
AS9136 | WOBCOM GmbH |
|
AS150369 | TelHi Corporation |
|
AS24961 | WIIT AG (fka. myLoc Managed IT AG) |
|
AS7195 | EdgeUno |
|
AS8218 | Zayo Europe |
|
AS47147 | Anexia Cloud Solutions GmbH |
|
AS134823 | Sky Digital Co., Ltd. |
|
AS20473 | The Constant Company, LLC |
|
AS24940 | Hetzner Online GmbH |
|
AS9121 | Turk Telekom |
|
AS58299 | Openfactory GmbH |
|
AS6204 | INTERKVM HOST SRL |
|
AS50629 | LWLcom GmbH |
|
AS4637 | Telstra International Limited |
|
AS52025 | ParadoxNetworks Limited |
|
AS6830 | Liberty Global Europe Holding B.V. |
|
AS3491 | PCCW Global (HK) Ltd. |
|
AS199524 | Gcore S.A. |
|
AS34927 | iFog GmbH |
|
AS137409 | GSL Networks Pty LTD |
|
AS9002 | RETN Limited |
|
AS6939 | Hurricane Electric LLC |
|
AS5405 | Inter.link GmbH |
|
AS2914 | NTT America, Inc. |
|
AS1299 | Arelion (fka. Telia Carrier) |
|
AS3356 | Lumen (Level 3) |
|
AS6453 | TATA Communications (America) Inc |
|
AS174 | Cogent Communications, LLC |
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '220.66.0.0 - 220.67.255.255' % Abuse contact for '220.66.0.0 - 220.67.255.255' is 'irt@nic.or.kr' inetnum: 220.66.0.0 - 220.67.255.255 netname: KREN descr: Korean Education Network admin-c: IM70-AP tech-c: IM70-AP country: KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR last-modified: 2017-02-02T04:55:47Z source: APNIC irt: IRT-KRNIC-KR address: 9, Jinheung-gil, Naju-si, Jeollanam-do # Email removed, Log into bgp.tools to see whois emails/phone numbers abuse-mailbox: irt@nic.or.kr admin-c: IM574-AP tech-c: IM574-AP auth: # Filtered remarks: irt@nic.or.kr was validated on 2020-04-09 mnt-by: MNT-KRNIC-AP last-modified: 2025-09-04T01:00:01Z source: APNIC person: IP Manager address: 57 Daehak-ro, Jongno-gu, Seoul country: KR phone: +82-2-882-5363 # Email removed, Log into bgp.tools to see whois emails/phone numbers nic-hdl: IM70-AP mnt-by: MNT-KRNIC-AP last-modified: 2025-11-17T00:10:02Z source: APNIC % Information related to '220.66.0.0 - 220.67.255.255' inetnum: 220.66.0.0 - 220.67.255.255 netname: KREN-KR descr: Korean Education Network country: KR admin-c: IA142-KR tech-c: IM142-KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR changed: hostmaster@nic.or.kr 20240912 remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC person: IP Manager address: 57 Daehak-ro, Jongno-gu, Seoul address: 1 country: KR phone: +82-2-882-5363 # Email removed, Log into bgp.tools to see whois emails/phone numbers nic-hdl: IA142-KR mnt-by: MNT-KRNIC-AP remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC person: IP Manager address: 57 Daehak-ro, Jongno-gu, Seoul address: 1 country: KR phone: +82-2-882-5363 # Email removed, Log into bgp.tools to see whois emails/phone numbers nic-hdl: IM142-KR mnt-by: MNT-KRNIC-AP remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)Last Update: 2026-05-31T06:50:59Z UTC