$ query “AS17428” --type=asn → 1 result(s)
AS17428 · ABITCOOL-AS
21Vianet.Co. Ltd
AS17428 belongs to 21Vianet.Co. Ltd and is an enterprise stub network, registered in China since 2016. The system announces a respectable 12 288 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in China.
Basic Information
- Country
- 🇨🇳 China
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 01, 2016
- Last Changed
- May 10, 2026
- Last Seen
- June 05, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 25 / 14
- IPv6 Prefixes (raw / aggregated)
- 3 / 1
- IPv4 Addresses
- 12 288
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇨🇳 China (13 312 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Unclassified
- 3 unclassified BGP neighbors
- Degree
- 9 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (25 total)
- 120.133.240.0/20 (4 096 addresses (/20 prefix))
- 120.132.224.0/21 (2 048 addresses (/21 prefix))
- 103.253.204.0/22 (1 024 addresses (/22 prefix))
- 120.133.236.0/22 (1 024 addresses (/22 prefix))
- 211.148.20.0/22 (1 024 addresses (/22 prefix))
- 211.148.18.0/23 (512 addresses (/23 prefix))
- 211.148.24.0/23 (512 addresses (/23 prefix))
- 211.148.30.0/23 (512 addresses (/23 prefix))
- 120.132.177.0/24 (256 addresses (/24 prefix))
- 120.132.241.0/24 (256 addresses (/24 prefix))
- 120.132.146.0/24 (256 addresses (/24 prefix))
- 182.175.127.0/24 (256 addresses (/24 prefix))
- 211.148.17.0/24 (256 addresses (/24 prefix))
- 211.148.27.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (3 total)
- 2403:a200::/32