$ query “AS63981” --type=asn → 1 result(s)
AS63981 · NTDKL-HK
Nova Technology Development (Hong Kong) Limited
AS63981 belongs to Nova Technology Development (Hong Kong) Limited and is a residential access provider, established in Hong Kong SAR China. The system announces a respectable 13 312 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Hong Kong SAR China, with additional presence in the United States and Japan, and smaller footprints in 3 additional countries.
Basic Information
- Country
- 🇭🇰 Hong Kong SAR China
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- October 03, 2026
- Last Seen
- October 21, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 38 / 19
- IPv6 Prefixes (raw / aggregated)
- 4 / 4
- IPv4 Addresses
- 13 312
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇭🇰 Hong Kong SAR China (6 912 IPs), 🇺🇸 United States (3 328 IPs), 🇯🇵 Japan (1 280 IPs) and 3 more
- Prefix Changed
- August 12, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 12 upstreams providing transit
- Peers
- 47 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 61 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (12)
- AS6939 — HURRICANE
- AS3356 — LEVEL3 (Tier-1 transit)
- AS174 — COGENT-174 (Tier-1 transit)
- AS1299 — TWELVE99 (Tier-1 transit)
- AS2914 — NTT-DATA-2914 (Tier-1 transit)
- AS21859 — ZEN-ECN
- AS9304 — HUTCHISON-AS-AP
- AS3491 — PCCWG-APAC-HK (Tier-1 transit)
- AS6453 — AS6453 (Tier-1 transit)
- AS4637 — ASN-TELSTRA-GLOBAL
- and 2 more
Prefix Lists
IPv4 Prefixes (38 total)
- 38.71.32.0/22 (1 024 addresses (/22 prefix))
- 45.117.96.0/22 (1 024 addresses (/22 prefix))
- 45.251.64.0/22 (1 024 addresses (/22 prefix))
- 103.29.140.0/22 (1 024 addresses (/22 prefix))
- 103.117.76.0/22 (1 024 addresses (/22 prefix))
- 103.197.28.0/22 (1 024 addresses (/22 prefix))
- 103.206.88.0/22 (1 024 addresses (/22 prefix))
- 103.214.192.0/22 (1 024 addresses (/22 prefix))
- 103.220.8.0/22 (1 024 addresses (/22 prefix))
- 203.166.220.0/22 (1 024 addresses (/22 prefix))
- 38.71.26.0/23 (512 addresses (/23 prefix))
- 38.71.36.0/23 (512 addresses (/23 prefix))
- 103.167.140.0/23 (512 addresses (/23 prefix))
- 38.71.22.0/24 (256 addresses (/24 prefix))
- 38.71.24.0/24 (256 addresses (/24 prefix))
- 66.160.164.0/24 (256 addresses (/24 prefix))
- 72.52.111.0/24 (256 addresses (/24 prefix))
- 116.214.132.0/24 (256 addresses (/24 prefix))
- 154.19.46.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (4 total)
- 2401:3e0::/32
- 2405:a480::/32
- 2407:6bc0::/32
- 2001:550:5c09::/48