$ query “AS29752” --type=asn → 1 result(s)

AS29752 · ZEN-SDN

Zenlayer Inc

AS29752 is run by Zenlayer Inc and is a mid-size transit provider, based in the United States since 2006. The system announces 4 352 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in the Netherlands and the Norfolk Island, and smaller footprints in 2 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 10, 2006
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
17 / 15
IPv6 Prefixes (raw / aggregated)
5 / 5
IPv4 Addresses
4 352
Largest IPv4 Prefix
/23 (512 addresses)
Largest IPv6 Prefix
/48
Geolocated Countries
🇺🇸 United States (2 560 IPs), 🇳🇱 Netherlands (1 280 IPs), 🇳🇫 Norfolk Island (512 IPs) and 2 more
Prefix Changed
June 23, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
1 network exchanging traffic without transit
Downstream Customers
28 downstreams buying transit
Unclassified
10 unclassified BGP neighbors
Degree
43 unique BGP neighbors
Reach
100 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (17 total)

  • 128.14.90.0/23 (512 addresses (/23 prefix))
  • 198.44.172.0/23 (512 addresses (/23 prefix))
  • 128.1.216.0/24 (256 addresses (/24 prefix))
  • 104.166.158.0/24 (256 addresses (/24 prefix))
  • 107.151.157.0/24 (256 addresses (/24 prefix))
  • 107.151.194.0/24 (256 addresses (/24 prefix))
  • 23.251.35.0/24 (256 addresses (/24 prefix))
  • 128.14.13.0/24 (256 addresses (/24 prefix))
  • 69.28.55.0/24 (256 addresses (/24 prefix))
  • 128.14.161.0/24 (256 addresses (/24 prefix))
  • 162.128.104.0/24 (256 addresses (/24 prefix))
  • 23.251.127.0/24 (256 addresses (/24 prefix))
  • 198.44.174.0/24 (256 addresses (/24 prefix))
  • 199.190.47.0/24 (256 addresses (/24 prefix))
  • 216.225.162.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2602:ffe4:ca1::/48
  • 2607:81c0::/48
  • 2a0b:21c1:601c::/48
  • 2a0b:21c1:602a::/48
  • 2a0b:21c1:6030::/48