$ query “AS7497” --type=asn → 1 result(s)

AS7497 · CSTNET-AS-AP

CNIC-CAS

AS7497 is owned by CNIC-CAS and is a mid-size transit provider, established in China. The system announces a solid 867 840 IPv4 addresses, including a /15, and supports IPv6. Most of its address space is geolocated to China. This AS has recently updated its prefix announcements.

Basic Information

Country
🇨🇳 China
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
June 01, 2026
Last Seen
June 08, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
465 / 24
IPv6 Prefixes (raw / aggregated)
167 / 3
IPv4 Addresses
867 840
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/28
Geolocated Countries
🇨🇳 China (1 506 816 IPs)
Prefix Changed
June 09, 2026

Reputation

Reputation
Pristine — 0 flagged IPs
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
17 networks exchanging traffic without transit
Downstream Customers
5 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
32 unique BGP neighbors
Reach
12 networks in customer cone

Upstream Providers (8)

Prefix Lists

IPv4 Prefixes (465 total)

  • 101.252.0.0/15 (131 072 addresses (/15 prefix))
  • 223.192.0.0/15 (131 072 addresses (/15 prefix))
  • 49.210.0.0/15 (131 072 addresses (/15 prefix))
  • 119.78.0.0/15 (131 072 addresses (/15 prefix))
  • 124.16.0.0/15 (131 072 addresses (/15 prefix))
  • 159.226.0.0/16 (65 536 addresses (/16 prefix))
  • 60.245.128.0/17 (32 768 addresses (/17 prefix))
  • 210.72.0.0/17 (32 768 addresses (/17 prefix))
  • 210.73.0.0/18 (16 384 addresses (/18 prefix))
  • 210.72.128.0/19 (8 192 addresses (/19 prefix))
  • 210.77.64.0/19 (8 192 addresses (/19 prefix))
  • 210.77.0.0/19 (8 192 addresses (/19 prefix))
  • 210.76.192.0/19 (8 192 addresses (/19 prefix))
  • 210.75.224.0/19 (8 192 addresses (/19 prefix))
  • 113.130.96.0/20 (4 096 addresses (/20 prefix))
  • 202.127.144.0/20 (4 096 addresses (/20 prefix))
  • 202.127.16.0/20 (4 096 addresses (/20 prefix))
  • 203.83.56.0/21 (2 048 addresses (/21 prefix))
  • 113.130.112.0/21 (2 048 addresses (/21 prefix))
  • 202.127.200.0/21 (2 048 addresses (/21 prefix))
  • 202.127.0.0/21 (2 048 addresses (/21 prefix))
  • 202.122.32.0/21 (2 048 addresses (/21 prefix))
  • 103.2.208.0/22 (1 024 addresses (/22 prefix))
  • 202.38.128.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (167 total)

  • 2400:dd00::/28
  • 2001:cc0::/32
  • 2401:de00::/32