$ query “AS10099” --type=asn → 1 result(s)
AS10099 · UNICOM-GLOBAL
China Unicom (Hong Kong) Operations Limited
AS10099 is run 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 34 560 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Hong Kong SAR China, with additional presence in the United Kingdom and Germany, and smaller footprints in 10 additional countries.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #45 by Reach — Top 100 by customer cone size
- #4 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
- March 04, 2026
- Last Seen
- April 19, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 99 / 36
- IPv6 Prefixes (raw / aggregated)
- 3 / 1
- IPv4 Addresses
- 34 560
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇭🇰 Hong Kong SAR China (48 128 IPs), 🇬🇧 United Kingdom (2 816 IPs), 🇸🇬 Singapore (2 560 IPs) and 10 more
- Prefix Changed
- April 11, 2026
Reputation
- Reputation
- Good — 4 flagged IPs out of 34 560 total (0.01%)
Connectivity Summary
- Upstream Providers
- 10 upstreams providing transit
- Peers
- 581 networks exchanging traffic without transit
- Downstream Customers
- 32 downstreams buying transit
- Unclassified
- 16 unclassified BGP neighbors
- Degree
- 639 unique BGP neighbors
- Reach
- 41 595 networks in customer cone
Upstream Providers (10)
- AS174 — COGENT-174 (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)
- AS4637 — ASN-TELSTRA-GLOBAL
- AS6453 — AS6453 (Tier-1 transit)
- AS4657 — STARHUB-INTERNET
- AS7552 — VIETEL-AS-AP
Prefix Lists
IPv4 Prefixes (99 total)
- 203.160.64.0/19 (8 192 addresses (/19 prefix))
- 162.219.32.0/21 (2 048 addresses (/21 prefix))
- 119.252.136.0/21 (2 048 addresses (/21 prefix))
- 202.77.16.0/21 (2 048 addresses (/21 prefix))
- 103.107.88.0/22 (1 024 addresses (/22 prefix))
- 162.245.124.0/22 (1 024 addresses (/22 prefix))
- 43.251.12.0/22 (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))
- 43.255.168.0/22 (1 024 addresses (/22 prefix))
- 162.219.84.0/22 (1 024 addresses (/22 prefix))
- 118.26.144.0/22 (1 024 addresses (/22 prefix))
- 43.252.84.0/22 (1 024 addresses (/22 prefix))
- 162.255.48.0/22 (1 024 addresses (/22 prefix))
- 103.214.64.0/22 (1 024 addresses (/22 prefix))
- 46.19.164.0/22 (1 024 addresses (/22 prefix))
- 162.247.4.0/22 (1 024 addresses (/22 prefix))
- 103.228.68.0/23 (512 addresses (/23 prefix))
- 103.239.176.0/23 (512 addresses (/23 prefix))
- 103.86.14.0/23 (512 addresses (/23 prefix))
- 118.26.148.0/23 (512 addresses (/23 prefix))
- 103.77.22.0/23 (512 addresses (/23 prefix))
- 162.219.82.0/23 (512 addresses (/23 prefix))
- 118.26.156.0/23 (512 addresses (/23 prefix))
- 46.19.162.0/23 (512 addresses (/23 prefix))
- 103.77.20.0/24 (256 addresses (/24 prefix))
- 118.26.158.0/24 (256 addresses (/24 prefix))
- 162.219.80.0/24 (256 addresses (/24 prefix))
- 118.26.155.0/24 (256 addresses (/24 prefix))
- 118.26.153.0/24 (256 addresses (/24 prefix))
- 103.229.246.0/24 (256 addresses (/24 prefix))
- 103.228.70.0/24 (256 addresses (/24 prefix))
- 103.203.184.0/24 (256 addresses (/24 prefix))
- 38.69.152.0/24 (256 addresses (/24 prefix))
- 61.14.200.0/24 (256 addresses (/24 prefix))
- 206.52.7.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (3 total)
- 2401:8a00::/32