This prefix is not visible in the DFZ right now
- Registered on
- 28 Mar 2014 (8 years old)
- Registered to
- 28408e4f0567c2... (ARIN)
- Prefix status
- Active, Allocated under ARIN
- Size of prefix
- 16 /24's
Less Specific Announcements
| Prefix | Description | |
|---|---|---|
|
104.21.0.0/19 | Cloudflare, Inc. |
|
|
104.16.0.0/12 | Cloudflare, Inc. |
Anycast Detected
How does bgp.tools detect anycast prefixes?When bgp.tools scanned this prefix, we found that 104.21.0.0 was anycasted.
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | |
|---|---|---|
|
AS7018 | AT&T Services, Inc. |
 |
AS5511 | Orange S.A. |
 |
AS6830 | Liberty Global B.V. |
 |
AS6762 | Telecom Italia Sparkle S.p.A |
|
AS6453 | TATA COMMUNICATIONS |
|
AS174 | Cogent Communications |
|
AS3257 | GTT Communications Inc. |
|
AS3356 | Lumen (Level 3) |
|
AS2914 | NTT America, Inc. |
 |
AS1299 | Arelion (fka. Telia Carrier) |
Peers
| ASN | Description | |
|---|---|---|
|
AS34019 | Hivane |
 |
AS211024 | Jack O'Sullivan |
 |
AS6327 | Shaw Communications Inc. |
 |
AS60171 | AFR-IX TELECOM SAU |
|
AS29075 | IELO-LIAZO SERVICES SAS |
|
AS204994 | Tiernan OToole trading as Limited Slip Networks |
 |
AS39737 | Net Vision Telecom SRL |
 |
AS59645 | Tobias Fiebig |
 |
AS136557 | Host Universal Pty Ltd |
|
AS1239 | T-Mobile US (Sprint) |
 |
AS3292 | TDC Holding A/S |
 |
AS38008 | Aperture Science Limited |
 |
AS131745 | PT. Cybertechtonic Pratama |
|
AS44097 | CLEMENT CAVADORE |
 |
AS61302 | HUIZE LTD |
 |
AS48362 | Stadtwerke Feldkirch |
 |
AS39384 | Dream Fusion - IT Services, Lda |
|
AS25291 | SysEleven GmbH |
 |
AS262589 | INTERNEXA Brasil |
|
AS8473 | Bahnhof AB |
 |
AS44103 | The Mastermind Holding B.V. |
 |
AS57777 | Jeroen Massar |
|
AS138997 | Eons Data Communications Limited |
 |
AS210083 | Privex Inc. |
|
AS25091 | IP-Max SA |
 |
AS5603 | Telekom Slovenije, d.d. |
|
AS212855 | Jelle Luteijn |
 |
AS50304 | Blix Solutions AS |
|
AS396440 | Auburn University at Montgomery |
|
AS38965 | Rick van der Sterren trading as HostIn |
|
AS57695 | Misaka Network, Inc. |
 |
AS39923 | Unix-Solutions BVBA |
|
AS49697 | Joey Julian Koenig |
|
AS7018 | AT&T Services, Inc. |
|
AS16097 | HL komm Telekommunikations GmbH |
|
AS13009 | Redcentric Solutions Ltd |
|
AS57866 | Fusix Networks B.V. |
|
AS201106 | Spartan Host Ltd |
|
AS917 | Misaka Network, Inc. |
|
AS204333 | Witalij Koweschnikow |
|
AS35710 | WEBER.cloud |
 |
AS4651 | The Communications Authority of Thailand(CAT) |
|
AS24961 | myLoc managed IT AG |
|
AS9268 | Over The Wire Pty Ltd |
|
AS61423 | JMP Technology Services GmbH |
|
AS553 | Universitaet Stuttgart |
|
AS203314 | HATS NETWORK INC. |
 |
AS30999 | Emtel |
|
AS21700 | Neptune Networks, LLC |
|
AS50917 | Diederik Focko de Zee |
|
AS9136 | WOBCOM GmbH |
|
AS8758 | Iway AG |
 |
AS2854 | LLC Orange Business Services |
|
AS1836 | green.ch AG |
|
AS213052 | Bram Wittendorp |
 |
AS132335 | LeapSwitch Networks Pvt Ltd |
|
AS62240 | Clouvider Limited |
|
AS12859 | BIT BV |
|
AS8767 | M-net Telekommunikations GmbH |
|
AS56786 | NEXIM ITALIA SRL |
 |
AS47605 | FNE-Finland Ltd |
|
AS24679 | Hostway Deutschland GmbH |
|
AS13830 | Nexril |
|
AS13058 | serve-u - Buchholz und Sünderhauf GbR |
|
AS8218 | Zayo Infrastructure France SA |
|
AS210667 | Adam Goodenough |
|
AS21320 | GEANT Vereniging |
|
AS42831 | UK Dedicated Servers Limited |
 |
AS64073 | Vetta Online Ltd |
|
AS50156 | Boxed IT Ltd. |
|
AS38136 | Akari Networks |
|
AS9031 | EDPNET NV |
|
AS1403 | EBOX |
|
AS34553 | Nathan Sales |
|
AS39122 | Blacknight Internet Solutions Limited |
|
AS34465 | NCRYPTD NET LTD |
|
AS210633 | DevStorage UG (haftungsbeschraenkt) trading as DevSto... |
|
AS56595 | Fluency Communications Ltd |
|
AS33185 | Hive Data Center Inc. |
|
AS146961 | NEXET LIMITED |
|
AS148976 | Newcastle Connect |
 |
AS38001 | NewMedia Express Pte Ltd |
|
AS25369 | Hydra Communications Ltd |
|
AS48927 | ESEVEN DevOps GmbH |
|
AS62217 | Vinters IT Ltd |
|
AS9304 | HGC Global Communications Limited |
|
AS209861 | Christoffer Aasum Unes |
|
AS2027 | MilkyWan |
|
AS6696 | VERIXI SA |
|
AS34087 | NTE MARKED AS |
|
AS4637 | Telstra Global |
|
AS16082 | Spitfire Network Services Limited |
|
AS53667 | FranTech Solutions |
|
AS59238 | Innovative Extremist Co., Ltd. |
|
AS29017 | NTT Data Centers (Gyron) |
 |
AS206499 | M&M NETWORKS |
|
AS208431 | efero GmbH |
|
AS56655 | TerraHost AS |
|
AS213392 | Tom Siewert |
|
AS3170 | VeloxServ Communications Ltd |
|
AS50629 | LWLcom GmbH |
|
AS39351 | 31173 Services AB |
|
AS42184 | tkrz Stadtwerke GmbH |
|
AS207960 | AS207960 Cyfyngedig |
|
AS212895 | Johannes Ernst |
 |
AS270014 | GRUPO CG LIMITADA |
|
AS61138 | Zappie Host LLC |
|
AS25596 | Cambrium IT Services B.V. |
|
AS40994 | Alwyzon (Hohl IT) |
|
AS33920 | (aq) networks limited |
|
AS6830 | Liberty Global B.V. |
|
AS205848 | Dominik Pohl |
|
AS58299 | Openfactory GmbH |
 |
AS8849 | Melbikomas UAB |
|
AS44854 | Arend Brouwer trading as ERITAP |
|
AS26073 | Cofractal, Inc. |
|
AS8298 | IPng Networks GmbH |
|
AS60326 | MrSheepNET LTD |
|
AS212635 | Jurrian van Iersel |
|
AS41666 | Institute for Pyrotechnical Cleaning (limited company) |
|
AS6762 | Telecom Italia Sparkle S.p.A |
|
AS6461 | Zayo Bandwidth |
|
AS8283 | Netwerkvereniging Coloclue |
|
AS55785 | MAXUM DATA LIMITED |
|
AS5511 | Orange S.A. |
|
AS48070 | DSM (GB) Limited |
|
AS31027 | GlobalConnect A/S |
|
AS42541 | Fiberby ApS |
|
AS33891 | Core-Backbone GmbH |
|
AS9002 | RETN Limited |
|
AS60068 | Datacamp Limited |
|
AS34549 | meerfarbig GmbH & Co. KG |
|
AS206924 | Ben Cartwright-Cox |
|
AS212483 | LEVEL EIGHTY-SIX COMMUNICATIONS LTD |
 |
AS210312 | Antonios A. Chariton |
|
AS34872 | Servperso Systems |
|
AS8426 | Claranet Limited |
|
AS6453 | TATA COMMUNICATIONS |
 |
AS7195 | EdgeUno |
|
AS47787 | EDGOO NETWORKS LLC |
|
AS835 | GoCodeIT Inc |
|
AS203329 | NTT Global Data Centers EMEA GmbH |
|
AS29169 | GANDI SAS |
|
AS44684 | Mythic Beasts Ltd |
|
AS174 | Cogent Communications |
|
AS6939 | Hurricane Electric LLC |
|
AS3257 | GTT Communications Inc. |
|
AS34927 | iFog GmbH |
|
AS3356 | Lumen (Level 3) |
|
AS3214 | xTom GmbH |
|
AS2914 | NTT America, Inc. |
|
AS20473 | The Constant Company, LLC |
|
AS396998 | Path Network, Inc. |
|
AS1299 | Arelion (fka. Telia Carrier) |
|
AS137409 | GSL Networks Pty LTD |
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2023, American Registry for Internet Numbers, Ltd. # # # Query terms are ambiguous. The query is assumed to be: # "r + < 104.21.0.0/20" # # Use "?" to get help. # # start NetRange: 104.0.0.0 - 104.255.255.255 CIDR: 104.0.0.0/8 NetName: NET104 NetHandle: NET-104-0-0-0-0 Parent: () NetType: Allocated to ARIN OriginAS: Organization: American Registry for Internet Numbers (ARIN) RegDate: 2011-02-03 Updated: 2011-02-11 Ref: https://rdap.arin.net/registry/ip/104.0.0.0 OrgName: American Registry for Internet Numbers OrgId: ARIN Address: PO Box 232290 City: Centreville StateProv: VA PostalCode: 20120 Country: US RegDate: 1997-12-22 Updated: 2019-03-02 Comment: For abuse issues please see URL: Comment: https://www.arin.net/reference/materials/abuse/ Comment: The Registration Services Help Desk is open Comment: from 7 a.m. to 7 p.m., U.S. Eastern time to assist you. Comment: Phone Number: (703) 227-0660; Fax Number: (703) 997-8844. Ref: https://rdap.arin.net/registry/entity/ARIN OrgNOCHandle: ARINN-ARIN OrgNOCName: ARIN NOC OrgNOCPhone: +1-703-227-9840 OrgNOCEmail: noc@arin.net OrgNOCRef: https://rdap.arin.net/registry/entity/ARINN-ARIN OrgAbuseHandle: ARIN-HOSTMASTER OrgAbuseName: Registration Services Department OrgAbusePhone: +1-703-227-0660 OrgAbuseEmail: hostmaster@arin.net OrgAbuseRef: https://rdap.arin.net/registry/entity/ARIN-HOSTMASTER OrgTechHandle: ARIN-HOSTMASTER OrgTechName: Registration Services Department OrgTechPhone: +1-703-227-0660 OrgTechEmail: hostmaster@arin.net OrgTechRef: https://rdap.arin.net/registry/entity/ARIN-HOSTMASTER # end # start NetRange: 104.16.0.0 - 104.31.255.255 CIDR: 104.16.0.0/12 NetName: CLOUDFLARENET NetHandle: NET-104-16-0-0-1 Parent: NET104 (NET-104-0-0-0-0) NetType: Direct Allocation OriginAS: AS13335 Organization: Cloudflare, Inc. (CLOUD14) RegDate: 2014-03-28 Updated: 2021-05-26 Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse Ref: https://rdap.arin.net/registry/ip/104.16.0.0 OrgName: Cloudflare, Inc. OrgId: CLOUD14 Address: 101 Townsend Street City: San Francisco StateProv: CA PostalCode: 94107 Country: US RegDate: 2010-07-09 Updated: 2021-07-01 Ref: https://rdap.arin.net/registry/entity/CLOUD14 OrgNOCHandle: CLOUD146-ARIN OrgNOCName: Cloudflare-NOC OrgNOCPhone: +1-650-319-8930 OrgNOCEmail: noc@cloudflare.com OrgNOCRef: https://rdap.arin.net/registry/entity/CLOUD146-ARIN OrgRoutingHandle: CLOUD146-ARIN OrgRoutingName: Cloudflare-NOC OrgRoutingPhone: +1-650-319-8930 OrgRoutingEmail: noc@cloudflare.com OrgRoutingRef: https://rdap.arin.net/registry/entity/CLOUD146-ARIN OrgTechHandle: ADMIN2521-ARIN OrgTechName: Admin OrgTechPhone: +1-650-319-8930 OrgTechEmail: rir@cloudflare.com OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN OrgAbuseHandle: ABUSE2916-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-650-319-8930 OrgAbuseEmail: abuse@cloudflare.com OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN RTechHandle: ADMIN2521-ARIN RTechName: Admin RTechPhone: +1-650-319-8930 RTechEmail: rir@cloudflare.com RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN RAbuseHandle: ABUSE2916-ARIN RAbuseName: Abuse RAbusePhone: +1-650-319-8930 RAbuseEmail: abuse@cloudflare.com RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN RNOCHandle: NOC11962-ARIN RNOCName: NOC RNOCPhone: +1-650-319-8930 RNOCEmail: noc@cloudflare.com RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN # end # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2023, American Registry for Internet Numbers, Ltd. #Last Update: 2023-01-10T12:00:58Z UTC / (Click here to force a refresh)
| A | DNS | |
|---|---|---|
| 104.21.0.13 | m.yoyon.cc, m.shutu.cc | |
| 104.21.0.68 | ica.hkcss.org.hk, communityhousing.hkcss.org.hk ( 7 more...) | |
| 104.21.0.71 | mail.udomain.info, udomain.info | |
| 104.21.0.72 | www.researchportal.hk, researchportal.hk | |
| 104.21.0.73 | mwyo.org | |
| 104.21.0.75 | www.ams.org.hk | |
| 104.21.0.76 | japanese-edu.org.hk, www.japanese-edu.org.hk | |
| 104.21.0.77 | payme.unicef.org.hk, unicef.org.hk, unionpay.unicef.org.hk | |
| 104.21.0.78 | catholic.org.hk, jy.catholic.org.hk, hpc.catholic.org.hk ( 4 more...) | |
| 104.21.0.79 | buys.hk | |
| 104.21.0.81 | marketplace.donweb.com, talleres.donweb.com, ux.donweb.com ( 8 more...) | |
| 104.21.0.82 | worldvision.org.hk, www.worldvision.org.hk ( 3 more...) | |
| 104.21.0.83 | jasmineelegance.com, mail.jordanaferreira.com.br, emacer.ml ( 1233 more...) | |
| 104.21.0.84 | vacaperrafili.ga, *.buymanmielingmele.ml, www.darrell.co.uk ( 1201 more...) | |
| 104.21.0.85 | lenetudogpedd.gq, *.keimenut.ml, dgl-logistics.com, ery.at ( 1225 more...) | |
| 104.21.0.86 | impeccableextensivestraightformula.com, cdn-0.shootplus.net ( 401 more...) |
IRR Databases
| IRR | Expected ASN | |
|---|---|---|
| arin-whois | AS13335 |
|