$ query “AS399077” --type=asn → 1 result(s)

AS399077 · TERAEXCH

Tcloudnet

AS399077 is operated by Tcloudnet and serves as a hosting access provider, established in the United States in 2020. The system announces a solid 124 160 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Hong Kong SAR China, with additional presence in Singapore and the United States, and a smaller footprint in another country. Prefix announcements for this AS were recently updated.

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 02, 2020
Last Changed
April 01, 2026
Last Seen
May 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
487 / 131
IPv6 Prefixes (raw / aggregated)
9 / 2
IPv4 Addresses
124 160
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇭🇰 Hong Kong SAR China (114 432 IPs), 🇸🇬 Singapore (19 712 IPs), 🇺🇸 United States (2 816 IPs) and 1 more
Prefix Changed
May 19, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 124 160 total (0.00%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
61 networks exchanging traffic without transit
Downstream Customers
4 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
73 unique BGP neighbors
Reach
4 networks in customer cone

Upstream Providers (7)

  • AS174 — COGENT (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS13335 — CLOUDFLARENET-AS
  • AS10099 — UNICOM-GLOBAL
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3491 — PCCWG-AS (Tier-1 transit)
  • AS18013 — ASLINE-AS-AP

Prefix Lists

IPv4 Prefixes (487 total)

  • 156.251.32.0/19 (8 192 addresses (/19 prefix))
  • 206.238.0.0/19 (8 192 addresses (/19 prefix))
  • 156.240.192.0/20 (4 096 addresses (/20 prefix))
  • 206.238.96.0/20 (4 096 addresses (/20 prefix))
  • 156.240.216.0/21 (2 048 addresses (/21 prefix))
  • 154.211.72.0/21 (2 048 addresses (/21 prefix))
  • 154.211.112.0/21 (2 048 addresses (/21 prefix))
  • 154.211.96.0/21 (2 048 addresses (/21 prefix))
  • 206.238.48.0/21 (2 048 addresses (/21 prefix))
  • 206.238.136.0/21 (2 048 addresses (/21 prefix))
  • 156.240.224.0/21 (2 048 addresses (/21 prefix))
  • 206.238.32.0/21 (2 048 addresses (/21 prefix))
  • 154.91.104.0/21 (2 048 addresses (/21 prefix))
  • 154.82.72.0/21 (2 048 addresses (/21 prefix))
  • 206.238.112.0/21 (2 048 addresses (/21 prefix))
  • 154.82.80.0/21 (2 048 addresses (/21 prefix))
  • 154.82.120.0/21 (2 048 addresses (/21 prefix))
  • 154.91.64.0/21 (2 048 addresses (/21 prefix))
  • 206.238.176.0/21 (2 048 addresses (/21 prefix))
  • 206.238.192.0/21 (2 048 addresses (/21 prefix))
  • 156.251.16.0/21 (2 048 addresses (/21 prefix))
  • 154.91.80.0/21 (2 048 addresses (/21 prefix))
  • 206.238.88.0/21 (2 048 addresses (/21 prefix))
  • 38.127.240.0/21 (2 048 addresses (/21 prefix))
  • 206.238.168.0/21 (2 048 addresses (/21 prefix))
  • 154.91.112.0/21 (2 048 addresses (/21 prefix))
  • 154.82.108.0/22 (1 024 addresses (/22 prefix))
  • 154.91.100.0/22 (1 024 addresses (/22 prefix))
  • 206.238.164.0/22 (1 024 addresses (/22 prefix))
  • 206.238.208.0/22 (1 024 addresses (/22 prefix))
  • 154.91.120.0/22 (1 024 addresses (/22 prefix))
  • 156.248.76.0/22 (1 024 addresses (/22 prefix))
  • 154.91.92.0/22 (1 024 addresses (/22 prefix))
  • 156.240.248.0/22 (1 024 addresses (/22 prefix))
  • 206.238.156.0/22 (1 024 addresses (/22 prefix))
  • 156.240.240.0/22 (1 024 addresses (/22 prefix))
  • 154.91.72.0/22 (1 024 addresses (/22 prefix))
  • 154.82.116.0/22 (1 024 addresses (/22 prefix))
  • 154.211.80.0/22 (1 024 addresses (/22 prefix))
  • 156.240.232.0/22 (1 024 addresses (/22 prefix))
  • 206.238.184.0/22 (1 024 addresses (/22 prefix))
  • 154.211.88.0/22 (1 024 addresses (/22 prefix))
  • 206.238.236.0/22 (1 024 addresses (/22 prefix))
  • 154.82.92.0/22 (1 024 addresses (/22 prefix))
  • 154.211.104.0/22 (1 024 addresses (/22 prefix))
  • 206.238.60.0/22 (1 024 addresses (/22 prefix))
  • 154.211.120.0/22 (1 024 addresses (/22 prefix))
  • 206.238.120.0/22 (1 024 addresses (/22 prefix))
  • 156.240.208.0/22 (1 024 addresses (/22 prefix))
  • 206.238.216.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (9 total)

  • 2606:4dc0:2100::/40
  • 2606:4dc0:2500::/40