$ query “AS3491” --type=asn → 1 result(s)
AS3491 · PCCWG-APAC-HK
PCCW Global (HK) Limited
AS3491 belongs to PCCW Global (HK) Limited and is a Tier-1 transit provider, established in Hong Kong SAR China in 2015. The system announces an impressive 1.4 million IPv4 addresses, including a /13, and supports IPv6. Its primary geographic footprint is in Hong Kong SAR China, with additional presence in Singapore and the United States, and smaller footprints in 27 additional countries. Prefix announcements for this AS were recently updated.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #10 by Reach — Top 100 by customer cone size
- #1 in Hong Kong SAR China — Top 10 by reach within country
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
- July 06, 2015
- Last Changed
- October 01, 2026
- Last Seen
- October 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 515 / 107
- IPv6 Prefixes (raw / aggregated)
- 44 / 4
- IPv4 Addresses
- 1 380 608
- Largest IPv4 Prefix
- /13 (524 288 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇭🇰 Hong Kong SAR China (925 184 IPs), 🇸🇬 Singapore (215 296 IPs), 🇺🇸 United States (187 904 IPs) and 27 more
- Prefix Changed
- October 11, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 1 380 608 total (0.00%)
Connectivity Summary
- Peers
- 108 networks exchanging traffic without transit
- Downstream Customers
- 598 downstreams buying transit
- Unclassified
- 10 unclassified BGP neighbors
- Degree
- 716 unique BGP neighbors
- Reach
- 17 444 networks in customer cone
Prefix Lists
IPv4 Prefixes (515 total)
- 63.216.0.0/13 (524 288 addresses (/13 prefix))
- 209.8.0.0/15 (131 072 addresses (/15 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))
- 207.226.0.0/16 (65 536 addresses (/16 prefix))
- 207.176.0.0/17 (32 768 addresses (/17 prefix))
- 212.212.128.0/17 (32 768 addresses (/17 prefix))
- 87.82.64.0/18 (16 384 addresses (/18 prefix))
- 87.82.128.0/18 (16 384 addresses (/18 prefix))
- 107.155.192.0/18 (16 384 addresses (/18 prefix))
- 195.21.192.0/18 (16 384 addresses (/18 prefix))
- 196.50.128.0/18 (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))
- 208.22.128.0/18 (16 384 addresses (/18 prefix))
- 82.108.224.0/19 (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))
- 82.110.160.0/19 (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))
- 87.83.128.0/19 (8 192 addresses (/19 prefix))
- 87.84.96.0/19 (8 192 addresses (/19 prefix))
- 87.85.192.0/19 (8 192 addresses (/19 prefix))
- 195.21.160.0/19 (8 192 addresses (/19 prefix))
- 196.251.160.0/19 (8 192 addresses (/19 prefix))
- 199.12.0.0/19 (8 192 addresses (/19 prefix))
- 199.12.96.0/19 (8 192 addresses (/19 prefix))
- 199.12.128.0/19 (8 192 addresses (/19 prefix))
- 199.13.0.0/19 (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))
- 217.113.64.0/19 (8 192 addresses (/19 prefix))
- 41.221.208.0/20 (4 096 addresses (/20 prefix))
- 61.13.144.0/20 (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))
- 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))
- 82.109.80.0/20 (4 096 addresses (/20 prefix))
- 82.109.112.0/20 (4 096 addresses (/20 prefix))
- 82.109.128.0/20 (4 096 addresses (/20 prefix))
- 87.82.32.0/20 (4 096 addresses (/20 prefix))
- 87.83.176.0/20 (4 096 addresses (/20 prefix))
- 87.83.240.0/20 (4 096 addresses (/20 prefix))
IPv6 Prefixes (44 total)
- 2400:8800::/32
- 2c0f:f3c0::/32
- 2c0f:f3d0::/32
- 2606:9dc0:fc00::/48