$ query “AS3491” --type=asn → 1 result(s)
AS3491 · PCCWG-APAC-HK
PCCW Global (HK) Limited
AS3491 is run by PCCW Global (HK) Limited and is a Tier-1 transit provider, registered in Hong Kong SAR China since 1994. The system announces an impressive 1.4 million IPv4 addresses, including a /13, and supports IPv6. The bulk of its IP address space is in Hong Kong SAR China, with additional presence in Singapore and the United States, and smaller footprints in 29 additional countries. This AS has recently updated its prefix announcements.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #13 by Reach — Top 100 by customer cone size
- #1 in Hong Kong SAR China — Top 10 by reach within country
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇭🇰 Hong Kong SAR China
- Category
- Internet Service Provider
- Network Role
- Tier-1 Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 21, 1994
- Last Changed
- March 27, 2026
- Last Seen
- April 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 538 / 86
- IPv6 Prefixes (raw / aggregated)
- 46 / 4
- IPv4 Addresses
- 1 362 944
- Largest IPv4 Prefix
- /13 (524 288 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇭🇰 Hong Kong SAR China (1 932 288 IPs), 🇸🇬 Singapore (409 600 IPs), 🇺🇸 United States (187 136 IPs) and 29 more
- Prefix Changed
- April 19, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Peers
- 103 networks exchanging traffic without transit
- Downstream Customers
- 620 downstreams buying transit
- Unclassified
- 21 unclassified BGP neighbors
- Degree
- 744 unique BGP neighbors
- Reach
- 53 612 networks in customer cone
Prefix Lists
IPv4 Prefixes (538 total)
- 63.216.0.0/13 (524 288 addresses (/13 prefix))
- 209.8.0.0/15 (131 072 addresses (/15 prefix))
- 207.226.0.0/16 (65 536 addresses (/16 prefix))
- 205.177.0.0/16 (65 536 addresses (/16 prefix))
- 205.252.0.0/16 (65 536 addresses (/16 prefix))
- 206.161.0.0/16 (65 536 addresses (/16 prefix))
- 212.212.128.0/17 (32 768 addresses (/17 prefix))
- 207.176.0.0/17 (32 768 addresses (/17 prefix))
- 208.22.128.0/18 (16 384 addresses (/18 prefix))
- 208.13.192.0/18 (16 384 addresses (/18 prefix))
- 208.20.64.0/18 (16 384 addresses (/18 prefix))
- 208.21.64.0/18 (16 384 addresses (/18 prefix))
- 196.50.128.0/18 (16 384 addresses (/18 prefix))
- 107.155.192.0/18 (16 384 addresses (/18 prefix))
- 87.82.128.0/18 (16 384 addresses (/18 prefix))
- 87.82.64.0/18 (16 384 addresses (/18 prefix))
- 195.21.192.0/18 (16 384 addresses (/18 prefix))
- 199.13.0.0/19 (8 192 addresses (/19 prefix))
- 82.110.160.0/19 (8 192 addresses (/19 prefix))
- 199.12.96.0/19 (8 192 addresses (/19 prefix))
- 199.12.0.0/19 (8 192 addresses (/19 prefix))
- 196.251.160.0/19 (8 192 addresses (/19 prefix))
- 199.12.128.0/19 (8 192 addresses (/19 prefix))
- 87.84.96.0/19 (8 192 addresses (/19 prefix))
- 82.110.0.0/19 (8 192 addresses (/19 prefix))
- 82.110.64.0/19 (8 192 addresses (/19 prefix))
- 82.108.224.0/19 (8 192 addresses (/19 prefix))
- 82.110.192.0/19 (8 192 addresses (/19 prefix))
- 87.82.0.0/19 (8 192 addresses (/19 prefix))
- 195.21.160.0/19 (8 192 addresses (/19 prefix))
- 199.13.128.0/19 (8 192 addresses (/19 prefix))
- 199.162.192.0/19 (8 192 addresses (/19 prefix))
- 87.83.128.0/19 (8 192 addresses (/19 prefix))
- 217.113.64.0/19 (8 192 addresses (/19 prefix))
- 87.85.192.0/19 (8 192 addresses (/19 prefix))
- 82.109.80.0/20 (4 096 addresses (/20 prefix))
- 87.83.240.0/20 (4 096 addresses (/20 prefix))
- 82.109.128.0/20 (4 096 addresses (/20 prefix))
- 41.221.208.0/20 (4 096 addresses (/20 prefix))
- 87.83.176.0/20 (4 096 addresses (/20 prefix))
- 116.66.208.0/20 (4 096 addresses (/20 prefix))
- 65.72.0.0/20 (4 096 addresses (/20 prefix))
- 65.72.32.0/20 (4 096 addresses (/20 prefix))
- 65.72.64.0/20 (4 096 addresses (/20 prefix))
- 87.82.32.0/20 (4 096 addresses (/20 prefix))
- 72.57.240.0/20 (4 096 addresses (/20 prefix))
- 82.108.16.0/20 (4 096 addresses (/20 prefix))
- 82.108.176.0/20 (4 096 addresses (/20 prefix))
- 82.109.16.0/20 (4 096 addresses (/20 prefix))
- 82.109.32.0/20 (4 096 addresses (/20 prefix))
- and 36 more
IPv6 Prefixes (46 total)
- 2400:8800::/32
- 2c0f:f3c0::/32
- 2c0f:f3d0::/32
- 2606:9dc0:fc00::/48