$ query “AS10099” --type=asn → 1 result(s)

AS10099 — UNICOM-GLOBAL

China Unicom (Hong Kong) Operations Limited

AS10099 is a mid-size transit provider run by China Unicom (Hong Kong) Operations Limited, established in Hong Kong SAR China. The network announces a respectable 34 560 IPv4 addresses. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #80 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
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
99 / 36
IPv6 Prefixes (raw / aggregated)
5 / 1
IPv4 Addresses
34 560
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇭🇰 HK (35 IPs), 🇬🇧 GB (4 IPs), 🇩🇪 DE (5 IPs), 🇸🇬 SG, 🇯🇵 JP, 🇺🇸 US, 🇹🇼 TW, 🇰🇷 KR, 🇲🇳 MN, 🇲🇲 MM, 🇷🇺 RU, 🇿🇦 ZA, 🇻🇳 VN
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 34 560 total (0.01%)

Connectivity Summary

Upstream Providers
11 upstream autonomous systems providing transit
Peers
551 autonomous systems exchanging traffic without transit fees
Downstream Customers
34 downstream autonomous systems buying transit
Degree
604 unique BGP neighbors (providers + customers + peers)
Reach
37 583 — customer cone size measuring network influence
Degree Rank
#234
Reach Rank
#80
Country Rank
#4

Upstream Providers (11)

  • 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
  • and 1 more

Prefix Lists

IPv4 Prefixes (99 total)

  • 203.160.64.0/19 (8 192 addresses)
  • 119.252.136.0/21 (2 048 addresses)
  • 162.219.32.0/21 (2 048 addresses)
  • 202.77.16.0/21 (2 048 addresses)
  • 43.251.12.0/22 (1 024 addresses)
  • 43.252.84.0/22 (1 024 addresses)
  • 43.255.168.0/22 (1 024 addresses)
  • 46.19.164.0/22 (1 024 addresses)
  • 103.1.64.0/22 (1 024 addresses)
  • 103.69.184.0/22 (1 024 addresses)
  • 103.107.88.0/22 (1 024 addresses)
  • 103.214.64.0/22 (1 024 addresses)
  • 118.26.144.0/22 (1 024 addresses)
  • 162.219.84.0/22 (1 024 addresses)
  • 162.245.124.0/22 (1 024 addresses)
  • 162.247.4.0/22 (1 024 addresses)
  • 162.255.48.0/22 (1 024 addresses)
  • 46.19.162.0/23 (512 addresses)
  • 103.77.22.0/23 (512 addresses)
  • 103.86.14.0/23 (512 addresses)
  • 103.228.68.0/23 (512 addresses)
  • 103.239.176.0/23 (512 addresses)
  • 118.26.148.0/23 (512 addresses)
  • 118.26.156.0/23 (512 addresses)
  • 162.219.82.0/23 (512 addresses)
  • 38.69.152.0/24 (256 addresses)
  • 61.14.200.0/24 (256 addresses)
  • 103.77.20.0/24 (256 addresses)
  • 103.203.184.0/24 (256 addresses)
  • 103.228.70.0/24 (256 addresses)
  • 103.229.246.0/24 (256 addresses)
  • 118.26.153.0/24 (256 addresses)
  • 118.26.155.0/24 (256 addresses)
  • 118.26.158.0/24 (256 addresses)
  • 162.219.80.0/24 (256 addresses)
  • 206.52.7.0/24 (256 addresses)

IPv6 Prefixes (5 total)

  • 2401:8a00::/32