$ query “AS10099” --type=asn → 1 result(s)
AS10099 · UNICOM-GLOBAL
China Unicom (Hong Kong) Operations Limited
AS10099 is owned by China Unicom (Hong Kong) Operations Limited and is a mid-size transit provider, established in Hong Kong SAR China. The system announces a respectable 32 768 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Hong Kong SAR China, with additional presence in Singapore and Germany, and smaller footprints in 10 additional countries. This AS has recently updated its prefix announcements.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #77 by Degree — Top 100 by unique BGP neighbor count
- #7 in Hong Kong SAR China — Top 10 by reach within country
Basic Information
- Country
- 🇭🇰 Hong Kong SAR 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 22, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 86 / 40
- IPv6 Prefixes (raw / aggregated)
- 3 / 1
- IPv4 Addresses
- 32 768
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇭🇰 Hong Kong SAR China (44 544 IPs), 🇸🇬 Singapore (2 304 IPs), 🇩🇪 Germany (1 536 IPs) and 10 more
- Prefix Changed
- June 23, 2026
Reputation
- Reputation
- Good — 3 flagged IPs out of 32 768 total (0.01%)
Connectivity Summary
- Upstream Providers
- 11 upstreams providing transit
- Peers
- 1 714 networks exchanging traffic without transit
- Downstream Customers
- 33 downstreams buying transit
- Unclassified
- 9 unclassified BGP neighbors
- Degree
- 1 767 unique BGP neighbors
- Reach
- 16 159 networks in customer cone
Upstream Providers (11)
- AS174 — COGENT (Tier-1 transit)
- AS3356 — LEVEL3 (Tier-1 transit)
- AS1299 — TWELVE99 (Tier-1 transit)
- AS3257 — GTT-BACKBONE (Tier-1 transit)
- AS20485 — TRANSTELECOM
- AS2914 — NTT-DATA-2914 (Tier-1 transit)
- AS6453 — AS6453 (Tier-1 transit)
- AS4637 — ASN-TELSTRA-GLOBAL
- AS4657 — STARHUB-INTERNET
- AS7552 — VIETEL-AS-AP
- and 1 more
Prefix Lists
IPv4 Prefixes (86 total)
- 203.160.64.0/19 (8 192 addresses (/19 prefix))
- 162.219.32.0/21 (2 048 addresses (/21 prefix))
- 202.77.16.0/21 (2 048 addresses (/21 prefix))
- 119.252.136.0/21 (2 048 addresses (/21 prefix))
- 43.252.84.0/22 (1 024 addresses (/22 prefix))
- 162.245.124.0/22 (1 024 addresses (/22 prefix))
- 162.247.4.0/22 (1 024 addresses (/22 prefix))
- 46.19.164.0/22 (1 024 addresses (/22 prefix))
- 103.107.88.0/22 (1 024 addresses (/22 prefix))
- 103.1.64.0/22 (1 024 addresses (/22 prefix))
- 103.69.184.0/22 (1 024 addresses (/22 prefix))
- 118.26.144.0/22 (1 024 addresses (/22 prefix))
- 103.214.64.0/22 (1 024 addresses (/22 prefix))
- 103.239.176.0/23 (512 addresses (/23 prefix))
- 118.26.148.0/23 (512 addresses (/23 prefix))
- 43.251.14.0/23 (512 addresses (/23 prefix))
- 103.77.22.0/23 (512 addresses (/23 prefix))
- 162.255.50.0/23 (512 addresses (/23 prefix))
- 162.219.86.0/23 (512 addresses (/23 prefix))
- 162.219.82.0/23 (512 addresses (/23 prefix))
- 103.86.14.0/23 (512 addresses (/23 prefix))
- 46.19.162.0/23 (512 addresses (/23 prefix))
- 38.69.152.0/24 (256 addresses (/24 prefix))
- 162.219.84.0/24 (256 addresses (/24 prefix))
- 118.26.155.0/24 (256 addresses (/24 prefix))
- 118.26.157.0/24 (256 addresses (/24 prefix))
- 118.26.158.0/24 (256 addresses (/24 prefix))
- 61.14.200.0/24 (256 addresses (/24 prefix))
- 103.77.20.0/24 (256 addresses (/24 prefix))
- 162.219.80.0/24 (256 addresses (/24 prefix))
- 103.229.246.0/24 (256 addresses (/24 prefix))
- 118.26.153.0/24 (256 addresses (/24 prefix))
- 103.228.70.0/24 (256 addresses (/24 prefix))
- 43.255.171.0/24 (256 addresses (/24 prefix))
- 43.255.169.0/24 (256 addresses (/24 prefix))
- 162.255.49.0/24 (256 addresses (/24 prefix))
- 103.228.69.0/24 (256 addresses (/24 prefix))
- 103.203.184.0/24 (256 addresses (/24 prefix))
- 43.251.13.0/24 (256 addresses (/24 prefix))
- 206.52.7.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (3 total)
- 2401:8a00::/32