AS17428 — CHINA-ABITCOOL 21Vianet.Co.,Ltd
AS17428 announces 10 IPv4 prefixes covering 10,496 addresses and 14 IPv6 prefixes.
About this network
The AS handle CHINA-ABITCOOL is held by 21Vianet.
What it's used for
- The address space carries enterprise and data center infrastructure, evidenced by netnames such as CHINA-21VIANET, GZGH, and STIDC.
- The AS announces 10496 IPv4 addresses across 10 prefixes and 53 IPv6 prefixes, with 9 observed neighbours, indicating a role focused on internal corporate connectivity and specific service delivery rather than broad residential access.
Notable
- Registrants are consistent with the announcer, primarily IRT-CNNIC-CN and IRT-21VIANET-CN, with one prefix registered to IRT-STIDC-CN.
- The address inventory is finely subdivided into multiple /22, /23, and /24 blocks, reflecting a segmented internal estate for different sites or services.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 103.253.204.0/22
- 120.132.224.0/21
- 120.133.240.0/20
- 182.175.127.0/24
- 211.148.17.0/24
- 211.148.18.0/23
- 211.148.20.0/22
- 211.148.24.0/23
- 211.148.27.0/24
- 211.148.30.0/23
- 2403:a200::/32
- 2403:a200:999a::/47
- 2403:a200:999c::/46
- 2403:a200:99a0::/43
- 2403:a200:99c0::/42
- 2403:a200:9a00::/39
- 2403:a200:9c00::/38
- 2403:a200:a000::/39
- 2403:a200:a200::/40
- 2403:a200:a300::/40
- 2403:a200:a400::/38
- 2403:a200:a800::/37
- 2403:a200:b000::/36
- 2403:a200:c000::/34
Upstream networks
- AS4811 China Telecom (Group)
- AS4812 China Telecom (Group)
- AS2914 NTT America, Inc.
- AS17622 China Unicom Guangzhou network
- AS4847 China Networks Inter-Exchange
- AS4808 China Unicom Beijing Province Network
- AS133111 CERNET New Technology Co., Ltd
- AS24400 Shanghai Mobile Communications Co.,Ltd.
Adjacent networks
BGP / ASN / CIDR
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IPv4
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IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED