$ query “AS151797” --type=asn → 1 result(s)

AS151797 · CTCSCITECHLIMITED-AS-AP

CTCSCI TECH LIMITED

AS151797 is owned by CTCSCI TECH LIMITED and is a hosting access provider, registered in Hong Kong SAR China. The system announces 512 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Hong Kong SAR China.

Basic Information

Country
🇭🇰 Hong Kong SAR China
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
3 / 1
IPv6 Prefixes (raw / aggregated)
3 / 3
IPv4 Addresses
512
Largest IPv4 Prefix
/23 (512 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇭🇰 Hong Kong SAR China (1 024 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
1 downstream buying transit
Degree
2 unique BGP neighbors
Reach
22 networks in customer cone

Upstream Providers (1)

  • AS9886 — CTCSCITECHLIMITED-AS-AP

Prefix Lists

IPv4 Prefixes (3 total)

  • 103.77.210.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (3 total)

  • 2401:3620:211::/48
  • 2401:3620:221::/48
  • 2401:3620:231::/48