$ query “AS153371” --type=asn → 1 result(s)
AS153371 · BACKWAVESLIMITED-AS-AP
BACK WAVES LIMITED
AS153371 is owned by BACK WAVES LIMITED and is a mid-size transit provider, based in Hong Kong SAR China. The system announces 6 144 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Hong Kong SAR China and Japan, and a smaller footprint in another country. This AS has recently updated its prefix announcements.
- Top 5% — Top 5% of all autonomous systems by reach and degree
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
- July 12, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 25 / 14
- IPv6 Prefixes (raw / aggregated)
- 25 / 12
- IPv4 Addresses
- 6 144
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /44
- Geolocated Countries
- 🇺🇸 United States (3 584 IPs), 🇭🇰 Hong Kong SAR China (3 072 IPs), 🇯🇵 Japan (3 072 IPs) and 1 more
- Prefix Changed
- July 12, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 7 upstreams providing transit
- Peers
- 34 networks exchanging traffic without transit
- Downstream Customers
- 14 downstreams buying transit
- Unclassified
- 8 unclassified BGP neighbors
- Degree
- 63 unique BGP neighbors
- Reach
- 36 networks in customer cone
Upstream Providers (7)
Prefix Lists
IPv4 Prefixes (25 total)
- 142.249.36.0/22 (1 024 addresses (/22 prefix))
- 218.33.108.0/22 (1 024 addresses (/22 prefix))
- 178.92.74.0/23 (512 addresses (/23 prefix))
- 103.224.172.0/23 (512 addresses (/23 prefix))
- 92.113.116.0/23 (512 addresses (/23 prefix))
- 160.191.40.0/23 (512 addresses (/23 prefix))
- 149.112.116.0/24 (256 addresses (/24 prefix))
- 157.254.51.0/24 (256 addresses (/24 prefix))
- 163.8.197.0/24 (256 addresses (/24 prefix))
- 23.130.4.0/24 (256 addresses (/24 prefix))
- 185.255.198.0/24 (256 addresses (/24 prefix))
- 207.174.4.0/24 (256 addresses (/24 prefix))
- 207.174.6.0/24 (256 addresses (/24 prefix))
- 23.165.184.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (25 total)
- 2401:ce20:10::/44
- 2602:f7b1:10::/44
- 2602:f7b1::/45
- 2401:ce20::/46
- 2401:ce20:6::/47
- 2401:ce20:8::/47
- 2602:f7b1:8::/47
- 2001:df2:7cc0::/48
- 2401:b60:2c::/48
- 2401:b60:37::/48
- 2401:b60:38::/48
- 2401:ce20:4::/48