$ query “AS4229” --type=asn → 1 result(s)

AS4229 · ZEN-NET

Zenlayer Inc

AS4229 is run by Zenlayer Inc and is a mid-size transit provider, based in the United States since 2020. The system announces 6 912 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Singapore, with additional presence in Hong Kong SAR China and the United States.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #43 by Reach — Top 100 by customer cone size

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
May 20, 2020
Last Changed
March 04, 2026
Last Seen
April 19, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
23 / 13
IPv6 Prefixes (raw / aggregated)
10 / 1
IPv4 Addresses
6 912
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇸🇬 Singapore (3 328 IPs), 🇭🇰 Hong Kong SAR China (2 560 IPs), 🇺🇸 United States (1 792 IPs)
Prefix Changed
March 13, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
285 networks exchanging traffic without transit
Downstream Customers
38 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
338 unique BGP neighbors
Reach
41 615 networks in customer cone

Upstream Providers (4)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3491 — PCCWG-APAC-HK (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (23 total)

  • 129.227.160.0/21 (2 048 addresses (/21 prefix))
  • 162.128.0.0/22 (1 024 addresses (/22 prefix))
  • 23.91.110.0/23 (512 addresses (/23 prefix))
  • 162.128.226.0/23 (512 addresses (/23 prefix))
  • 98.98.230.0/23 (512 addresses (/23 prefix))
  • 103.140.146.0/23 (512 addresses (/23 prefix))
  • 128.14.86.0/24 (256 addresses (/24 prefix))
  • 23.91.109.0/24 (256 addresses (/24 prefix))
  • 98.98.98.0/24 (256 addresses (/24 prefix))
  • 162.128.41.0/24 (256 addresses (/24 prefix))
  • 162.128.42.0/24 (256 addresses (/24 prefix))
  • 162.128.193.0/24 (256 addresses (/24 prefix))
  • 82.38.180.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (10 total)

  • 2404:ff40::/32