Autonomous System
AS21859 — ZEN-ECN - Zenlayer Inc(US)
Last fetched
AS21859 is an Autonomous System operated by ZEN-ECN - Zenlayer Inc and registered in US. As of Mon, 03 Aug 2026 23:07:47 GMT, it announces 1,792 routed IP prefixes and peers with 280 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21859 announces 1,792 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 2.27.161.0/24
- 5.252.82.0/24
- 8.23.192.0/23
- 14.102.227.0/24
- 23.27.112.0/24
- 23.90.128.0/20
- 23.90.144.0/20
- 23.90.160.0/21
- 23.90.168.0/23
- 23.90.168.0/22
- 23.90.170.0/23
- 23.90.172.0/23
- 23.90.174.0/23
- 23.90.176.0/22
- 23.90.180.0/22
- 23.90.184.0/23
- 23.90.186.0/23
- 23.90.188.0/22
- 23.91.102.0/23
- 23.91.108.0/24
- 23.139.252.0/24
- 23.154.4.0/24
- 23.154.44.0/24
- 23.154.76.0/24
- 23.154.84.0/24
Peering ecosystem
280 distinct peers via BGP. The first 200 (alphabetical) are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS10099 | UNICOM-Global - China Unicom Global | HK |
| AS10111 | ZEONET-AS-AP - Zeofast Network | CN |
| AS1221 | ASN-TELSTRA - Telstra Limited | AU |
| AS12365 | SARKOR-AS - JC LLC Sarkor-Telecom | UZ |
| AS12389 | ROSTELECOM-AS - PJSC Rostelecom | RU |
| AS12956 | IDDQD-AS - IDDQD-AS | ES |
| AS1299 | TWELVE99 - Arelion Sweden AB | SE |
| AS131613 | ZENLENET-AS-TW - Sky Digital Co., Ltd. | TW |
| AS131618 | CARL-NET - Carl International Information ltd. | TW |
| AS131659 | NETEASE-AS-TW - NETEASE | TW |
| AS132139 | VECLOUD1-AS-AP - VECLOUD LIMITED | HK |
| AS132203 | TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue | CN |
| AS132825 | MYTEK-AS-AP - MYTEK TRADING PTY LTD | AU |
| AS133041 | TIANXINGROUP-AS-AP - Tianxin Group Co., Limited | HK |
| AS133199 | SONDERCLOUDLIMITED-AS-AP - SonderCloud Limited | HK |
| AS13335 | CLOUDFLARENET - Cloudflare, Inc. | US |
| AS133478 | TENCENT-AS-AP - Tencent Cloud Computing (Beijing) Co., Ltd | CN |
| AS133606 | VIETTELTIMORLESTE-AS-AP - Viettel Timor Leste | TL |
| AS133748 | CORETELNET-AS-AP - CORETEL NETWORKS (INTERNATIONAL) PTE LTD | SG |
| AS133847 | ICT-AS-AP - Anpple Tech Enterprise | MY |
| AS133929 | TWOWINCOLIMITED-AS-AP - TWOWIN CO., LIMITED | HK |
| AS13444 | TRS-GL-01 - TRS | US |
| AS134829 | PPIP-AS-AP - PPIP Associated Communication Limited | HK |
| AS134835 | SNL-HK - Starry Network Limited | HK |
| AS135356 | GOIPSECUNETLTD-AS-AP - GOIP Secunet Limited | HK |
| AS135377 | UCLOUD-HK-AS-AP - UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| AS135596 | HANSTECH-AS-HK - Hans Online Services | TW |
| AS135905 | VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP | VN |
| AS136255 | TIMCL-AS-AP - Telecom International Myanmar Co., Ltd | MM |
| AS136744 | DPTL-AS-AP - DREAM POWER TECHNOLOGY LIMITED | HK |
| AS136907 | HWCLOUDS-AS-AP - HUAWEI CLOUDS | HK |
| AS136993 | CVTL-AS-AP - CLOUD VALLEY TECHNOLOGY LIMITED | HK |
| AS137190 | STRAITDEERPTELTD-AS-AP - STRAITDEER PTE. LTD. | SG |
| AS137263 | NETEASE-AS-AP - NETEASE HONG KONG LIMITED | HK |
| AS137280 | KSYUNGLOBAL-AS-AP - Kingsoft cloud corporation limited | HK |
| AS137443 | CHANGLIAN-AS-AP - ChangLian Network Technology Co., Limited | HK |
| AS137710 | Wangshenxinxi - Net God Information Technology (Beijing) Co., Ltd. | CN |
| AS137785 | Cacloud - CACloud Services (Shanghai) Co., Ltd. | CN |
| AS137922 | IBOSS-AS-AP - IBOSS Inc. | US |
| AS137969 | HKBIL-AS-AP - HONG KONG BRIDGE INFO-TECH LIMITED | HK |
| AS138152 | YISUCLOUDLTD-HK - YISU CLOUD LTD | HK |
| AS138195 | MOACKCOLTD-AS-AP - MOACK.Co.LTD | KR |
| AS138352 | Fractal-NET - Fractal Co., Ltd. | JP |
| AS138571 | SUPERCLOUDSLIMITED-AS-AP - SUPERCLOUDS LIMITED | HK |
| AS138995 | ANTBOX1-AS-AP - Antbox Networks Limited | HK |
| AS139057 | ELD-AS-AP - Edgenext Legend Dynasty Pte. Ltd. | SG |
| AS139138 | GOPAY - Gopay Information Technology Co.,Ltd | CN |
| AS139339 | PTCONNECT-AS-AP - PT CONNECTION IT CO., LTD | TH |
| AS139341 | ACE-AS-AP - ACE | SG |
| AS139811 | ANLIANNETWORK-AS-AP - ANLIAN NETWORK TECHNOLOGY CO., LIMITED | HK |
| AS140633 | BILIBILIHKLIMITED-AS-AP - BILIBILI HK LIMITED | CN |
| AS140806 | PVS-AS-VN - PVS TELECOM CO.LTD., | VN |
| AS140899 | AGORALABINC-AS-AP - Agora Lab, Inc. | SG |
| AS141180 | HIPL-AS-AP - HUAWEI INTERNATIONAL PTE. LTD. | SG |
| AS141444 | WICKED-AS-AP - Wicked Networks Limited | HK |
| AS141742 | MAGNAHOSTINGLTD-AS-AP - Magna Hosting Ltd | TW |
| AS142002 | SCLOUDPTELTD-AS - Scloud Pte Ltd | SG |
| AS142040 | HKCTNTC-AS-AP - Hong Kong Cloud Times Network Technology Co.,Limited | HK |
| AS142285 | KEITHNET-AS-AP - KEITH.NET INCORPORATED | PH |
| AS142622 | DIL-AS-AP - Dream Information Laboratory | JP |
| AS14593 | SPACEX-STARLINK - Space Exploration Technologies Corporation | US |
| AS146813 | SUIJI - Shanghai Suiji Networks Tech. Co. Ltd. | CN |
| AS146962 | GTDPL-AS-AP - GATEWAY TECHNOLOGY DEVELOPMENT PTE. LTD. | SG |
| AS147040 | NEBULA-AS-AP - NEBULA SYSTEMS SDN BHD | MY |
| AS148996 | GCNL-AS-AP - GLOBAL COMMUNICATION NETWORK LIMITED | HK |
| AS149014 | BOJINGCOLIMITED-AS-AP - bo jing | HK |
| AS149042 | SITCL-AS-AP - Silicon Cloud Global (US) | HK |
| AS150436 | BYTEPLUS-AS-AP - Byteplus Pte. Ltd. | SG |
| AS150706 | HKZTCL-AS-AP - Hong Kong Zhengxing Technology Co., Ltd. | HK |
| AS151196 | JUNYUNLIMITED-AS-AP - JunYun Limited | HK |
| AS151326 | DCPL-AS-AP - DCConnect Communication Pte. Ltd. | SG |
| AS151373 | JP3DP-NET - JAPAN 3D PRINTER | JP |
| AS151380 | transformedu - Transform Co., Ltd. | JP |
| AS151383 | EZSVS-NET - EZSVS Japan Co., Ltd. | JP |
| AS151397 | CT-eSurfingCloud-CDN - China Telecom | CN |
| AS152121 | ADIT-AS-AP - Atto Digital Information Technology (Hong Kong) Limited | HK |
| AS152179 | GCNL-AS-AP - GLOBAL COMMUNICATION NETWORK LIMITED | HK |
| AS152645 | FLEXTECHINC-AS-AP - Flextech Inc. | JP |
| AS152700 | NUUK-AS-AP - NUUK COMMUNICATIONS PTE. LTD. | SG |
| AS152868 | THX-NET - THX Corp. | JP |
| AS153913 | CPSTIL-AS-AP - Check Point Software Technologies India PVT LTD. | IN |
| AS154107 | DGNL-AS-AP - DigitalLink Global Network Limited | HK |
| AS15412 | FLAG-AS - Flag Telecom UK Limited | GB |
| AS154132 | MUI-AS-AP - M/S UMARA INTERNATIONAL | BD |
| AS154358 | BMSB-AS-AP - Bitdeer Malaysia SDN. BHD. | MY |
| AS174 | COGENT-174 - Cogent Communications, LLC | US |
| AS17494 | BTTB-AS-AP - Telecom Operator & Internet Service Provider as well | BD |
| AS17497 | LGHL-AS-AP - Liasail Global Hongkong Limited | HK |
| AS17557 | PKTELECOM-AS-PK - Pakistan Telecommunication Company Limited | PK |
| AS17639 | CONVERGE-AS - Converge ICT Solutions Inc. | PH |
| AS18046 | DONGFONG-TW - DongFong Technology Co. Ltd. | TW |
| AS18403 | FPT-VN - FPT Telecom Company | VN |
| AS18464 | ALVIDI - ALVIDI TECHNOLOGY Inc | US |
| AS18530 | ISOMEDIA-1 - Isomedia, Inc. | US |
| AS18678 | AS18678 - INTERNEXA S.A. E.S.P | CO |
| AS18734 | AS18734 - Operbes, S.A. de C.V. | MX |
| AS197359 | HongKongMelodious - HongKong Melodious Limited | HK |
| AS197537 | WISDOM-CLOUD - WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD. | SG |
| AS198803 | ALLONS-AS - Alonstelefonstroy LLP | KZ |
| AS199180 | LAGOM-NET - LAGOM PRODUCTS LLC | AM |
| AS199524 | GCORE - G-Core Labs S.A. | LU |
| AS199529 | Vitalijs-Jurkevics - Vitalijs Jurkevics | LV |
| AS199707 | XINGTONGHUI - HONGKONG XING TONG HUI TECHNOLOGY CO., LIMITED | HK |
| AS200315 | ae_netconnect - NetConnect Innovations LLC | AE |
| AS200325 | BunnyCDN - BUNNYWAY, informacijske storitve d.o.o. | SI |
| AS200612 | GulfBridgeInternational - Gulf Bridge International Inc. | VG |
| AS202036 | EXTREME-COMM - EXTREME COMMUNICATIONS TECHNOLOGY LIMITED | HK |
| AS20249 | AS20249 - Jefferies LLC | US |
| AS202736 | WISDOM - WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD. | SG |
| AS203054 | — | — |
| AS204527 | BJNIP - bejuno GmbH | DE |
| AS20485 | TRANSTELECOM - Joint Stock Company TransTeleCom | RU |
| AS205676 | DCE - Data Center Experts LTD | GB |
| AS207190 | Yuhonet - YUHONET INTERNATIONAL LIMITED | HK |
| AS207550 | OCLAYER - OCLAYER LIMITED | HK |
| AS20764 | RASCOM-AS - CJSC RASCOM | RU |
| AS208972 | gibirnet-tr - GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | TR |
| AS209173 | WestQurna1FOD - PetroChina International Iraq FZE | AE |
| AS21245 | Medianova - MEDIANOVA INTERNET HIZMETLERI VE TICARET ANONIM SIRKETI | TR |
| AS213169 | Catixs-Edge - Catixs Ltd | GB |
| AS213176 | Perimeter-81 - Check Point Software Technologies Ltd | IL |
| AS213607 | WORLD-FIRST-COMMUNICATION-LTD - WORLD FIRST COMMUNICATION LTD | GB |
| AS213618 | — | — |
| AS214143 | skydigital-telecom - SKYDIGITAL TELECOM LTD | GB |
| AS214266 | ZERODESK-LTD - ZERODESK LTD | GB |
| AS214432 | ZLIDC - Zhilian Technology CO., LTD. | GB |
| AS215595 | SPARKTECH - SparkTech LTD | US |
| AS215778 | ALPHASTRIKE-HK - Alpha Strike Labs GmbH | DE |
| AS219174 | VECTORA - Vectora Systems Limited | HK |
| AS219374 | FATCAT - FATCAT TECH PTE. LTD. | SG |
| AS219393 | Deep-Blue-Edge-Limited - Deep Blue Edge Limited | HK |
| AS219476 | AppStudios - App Studios Limited | HK |
| AS23764 | CTGNet - CTGNet | HK |
| AS23947 | MORATELINDONAP-AS-ID - PT.Mora Telematika Indonesia | ID |
| AS24062 | NTL-125-24062 - Nexus | MY |
| AS24151 | CNNIC-CRITICAL-AP - China Internet Network Infomation Center | CN |
| AS24173 | NETNAM-AS-AP - Netnam Company | VN |
| AS24203 | NAPXLNET-AS-ID - PT XL Axiata | ID |
| AS24406 | CNNIC-CRITICAL-AP - China Internet Network Infomation Center | CN |
| AS24409 | CNNIC-CRITICAL-AP - China Internet Network Infomation Center | CN |
| AS24429 | Taobao - Zhejiang Taobao Network Co.,Ltd | CN |
| AS24482 | SGGS-AS-AP - SG.GS | SG |
| AS262589 | AS262589 - SAMM TECNOLOGIA E TELECOMUNICACOES S.A | BR |
| AS26658 | HENGTONG-IDC-LLC - HT | US |
| AS27418 | OOW-INC - OUTOFWALL INC. | US |
| AS274778 | AS274778 - ZENLAYER TECNOLOGIAS LTDA | BR |
| AS28458 | AS28458 - IENTC S DE RL DE CV | MX |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | US |
| AS29752 | ZEN-SDN - Zenlayer Inc | US |
| AS30081 | CACHENETWORKS - CacheFly | US |
| AS30103 | ZOOM-VIDEO-COMM-AS - Zoom Video Communications, Inc | US |
| AS30844 | LIQUID-AS - Liquid Telecommunications Ltd | GB |
| AS31133 | MF-MGSM-AS - PJSC MegaFon | RU |
| AS32043 | NEO-FIBER-01 - NeoFiber Communications inc. | US |
| AS3216 | SOVAM-AS - PJSC "Vimpelcom" | RU |
| AS3257 | GTT-BACKBONE - GTT Communications Inc. | US |
| AS32590 | VALVE-CORPORATION - Valve Corporation | US |
| AS3303 | SWISSCOM - Swisscom (Schweiz) AG | CH |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS34549 | MEER-AS - meerfarbig GmbH & Co. KG | DE |
| AS3462 | HINET - Data Communication Business Group | TW |
| AS37271 | Workonline Communications(Pty) Ltd - Workonline Communications(Pty) Ltd | ZA |
| AS37282 | Main one Cable Company Nigeria Limited - Main one Cable Company Nigeria Limited | NG |
| AS37662 | West Indian Ocean Cable Company - West Indian Ocean Cable Company | MU |
| AS37721 | Virtual Technologies & Solutions - Virtual Technologies & Solutions | BF |
| AS38001 | NEWMEDIAEXPRESS-AS-AP - NewMedia Express Pte Ltd | SG |
| AS38082 | IIT-TIG-AS-AP - True International Gateway Co., Ltd. | TH |
| AS38090 | PEARLABYSS-AS-KR-KR - pearlabyss | KR |
| AS38193 | TWA-AS-AP - Transworld Associates (Pvt.) Ltd. | PK |
| AS38244 | VINAGAME-AS-VN - VNG Corporation | VN |
| AS38854 | — | — |
| AS393437 | KLAYER - KLAYER LLC | US |
| AS393502 | XL-19 - Zenlayer Inc | US |
| AS39386 | STC-IGW-AS - Saudi Telecom Company JSC | SA |
| AS394881 | EK-HOSTING - EK HOSTING INC | US |
| AS395793 | ARISK-COMMUNICATIONS-INC - Arisk Communications inc. | US |
| AS39600 | BUNNY-TECHNOLOGY-LLC - BUNNY TECHNOLOGY LLC | US |
| AS396986 | BYTEDANCE - Bytedance Inc. | US |
| AS398485 | DFINITY-NET - DFINITY USA Research, LLC | US |
| AS398993 | PEG-TY - PEG TECH INC | US |
| AS399073 | TBB-ASN - BUNNY TECHNOLOGY LLC | US |
| AS399606 | IMAGINGBAY - Imaging Bay, Inc. | US |
| AS400318 | VERSA-01 - Versa Networks, Inc. | US |
| AS400866 | HM-NET - Harmony Networks, Inc. | US |
| AS401322 | LUCK-NETO-01 - NetO Corp | US |
| AS401776 | AS-CUSTOMER - IDC Cube | US |
| AS401783 | TOKALA-COMMUNICATIONS - TOKALA COMMUNICATIONS INC. | US |
| AS401922 | MIXBOOST - VERYBOOST INC | US |
| AS401948 | MIXBOOST-D - VERYBOOST INC | US |
| AS402163 | AS-SKYVAULT - SkyVault AI | US |
| AS402187 | AANSYS-NET - AANSys Network LLC | US |
| AS402229 | ARIA-JAMES - Aria and James | US |
| AS402310 | AS-LOCAHOST - LocaHost LLC | US |
| AS402336 | CHICFINDS - CHICFINDS | US |
| AS402394 | VUEDGE - Vuedge | MY |
| AS402643 | CBL-177 - CloudNest | US |
| AS402843 | GPLSL - Global | US |
| AS40850 | AS-UPIX-40850 - UPIX NETWORKS INTERNATIONAL LLC | US |
| AS40861 | PARAD-40-ASN - Paradise Networks LLC | US |
| AS41717 | TelflyNetwork - Telfly Technology Limited | HK |
Blast radius
Count of dependent hostnames if AS21859 disappeared from the routing table.
≥42,600 hostnames depend on this network.Verified lower bound — counted across 50 of 1,787 announced prefixes. The true total is at least this many. Snapshot Fri, 10 Jul 2026 06:00:52 GMT.
MOAS / hijack watch
Prefixes routed by AS21859 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
| Prefix | Conflicting ASN | Operator |
|---|---|---|
| 103.188.121.0/24 | AS24162 | MINGXI-NET - Mingxi Technology Co., Ltd. |
| 128.1.222.0/24 | AS62610 | ZEN-DPS - Zenlayer Inc |
| 128.1.28.0/24 | AS62610 | ZEN-DPS - Zenlayer Inc |
| 128.14.68.0/24 | AS62610 | ZEN-DPS - Zenlayer Inc |
| 129.227.162.0/24 | AS4229 | ZEN-NET - Zenlayer Inc |
| 156.59.123.0/24 | AS62610 | ZEN-DPS - Zenlayer Inc |
| 172.81.127.0/24 | AS62610 | ZEN-DPS - Zenlayer Inc |
Threat posture
Related pages
Pivot deeper into the graph from AS21859.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21859"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.