$ query “AS3491” --type=asn → 1 result(s)
AS3491 · PCCWG-AS
PCCWG
AS3491 is owned by PCCWG and is a Tier-1 transit provider, registered in Hong Kong SAR China since 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.
- 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
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
- May 10, 2026
- Last Seen
- June 22, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 527 / 87
- IPv6 Prefixes (raw / aggregated)
- 47 / 4
- IPv4 Addresses
- 1 360 896
- Largest IPv4 Prefix
- /13 (524 288 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇭🇰 Hong Kong SAR China (1 928 704 IPs), 🇸🇬 Singapore (409 600 IPs), 🇺🇸 United States (187 136 IPs) and 27 more
- Prefix Changed
- June 11, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Peers
- 109 networks exchanging traffic without transit
- Downstream Customers
- 617 downstreams buying transit
- Unclassified
- 13 unclassified BGP neighbors
- Degree
- 739 unique BGP neighbors
- Reach
- 55 806 networks in customer cone
Prefix Lists
IPv4 Prefixes (527 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))
- 87.82.128.0/18 (16 384 addresses (/18 prefix))
- 87.82.64.0/18 (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))
- 199.13.0.0/19 (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))
- 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))
- 195.21.160.0/19 (8 192 addresses (/19 prefix))
- 82.110.0.0/19 (8 192 addresses (/19 prefix))
- 199.12.96.0/19 (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))
- 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))
- 87.83.128.0/19 (8 192 addresses (/19 prefix))
- 87.85.192.0/19 (8 192 addresses (/19 prefix))
- 82.109.32.0/20 (4 096 addresses (/20 prefix))
- 82.109.80.0/20 (4 096 addresses (/20 prefix))
- 87.83.176.0/20 (4 096 addresses (/20 prefix))
- 82.108.176.0/20 (4 096 addresses (/20 prefix))
- 65.72.32.0/20 (4 096 addresses (/20 prefix))
- 87.82.32.0/20 (4 096 addresses (/20 prefix))
- 116.66.208.0/20 (4 096 addresses (/20 prefix))
- 82.108.16.0/20 (4 096 addresses (/20 prefix))
- 82.109.16.0/20 (4 096 addresses (/20 prefix))
- 65.72.64.0/20 (4 096 addresses (/20 prefix))
- 65.72.0.0/20 (4 096 addresses (/20 prefix))
- 82.109.112.0/20 (4 096 addresses (/20 prefix))
- 41.221.208.0/20 (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))
IPv6 Prefixes (47 total)
- 2400:8800::/32
- 2c0f:f3c0::/32
- 2c0f:f3d0::/32
- 2606:9dc0:fc00::/48