$ query “AS23911” --type=asn → 1 result(s)
AS23911 · CNGI-BJIX-AS-AP
China Next Generation Internet Beijing IX
AS23911 belongs to China Next Generation Internet Beijing IX and is a residential access provider, established in China. The system announces 512 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in China.
- #7 in China — Top 10 by reach within country
Basic Information
- Country
- 🇨🇳 China
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇨🇳 China (512 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 2 networks exchanging traffic without transit
- Downstream Customers
- 2 downstreams buying transit
- Unclassified
- 9 unclassified BGP neighbors
- Degree
- 15 unique BGP neighbors
- Reach
- 1 612 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 210.25.187.0/24 (256 addresses (/24 prefix))
- 210.25.189.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2001:252::/32
- 2001:7fa:5::/48