$ query “AS140638” --type=asn → 1 result(s)

AS140638 · CHINANET-IOT-SICHUAN

China Telecom

AS140638 is run by China Telecom and is a stub network, registered in China. The system announces a respectable 12 800 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in China.

Basic Information

Country
🇨🇳 China
Category
Internet Service Provider
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
37 / 13
IPv6 Prefixes (raw / aggregated)
49 / 24
IPv4 Addresses
12 800
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/39
Geolocated Countries
🇨🇳 China (12 800 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
1 upstream providing transit
Degree
1 unique BGP neighbor
Reach
0 networks in customer cone

Upstream Providers (1)

  • AS4134 — CHINANET-BACKBONE

Prefix Lists

IPv4 Prefixes (37 total)

  • 117.61.0.0/20 (4 096 addresses (/20 prefix))
  • 117.61.56.0/21 (2 048 addresses (/21 prefix))
  • 36.113.180.0/22 (1 024 addresses (/22 prefix))
  • 117.61.148.0/22 (1 024 addresses (/22 prefix))
  • 36.113.216.0/22 (1 024 addresses (/22 prefix))
  • 117.61.64.0/22 (1 024 addresses (/22 prefix))
  • 117.61.146.0/23 (512 addresses (/23 prefix))
  • 36.113.210.0/23 (512 addresses (/23 prefix))
  • 36.113.178.0/23 (512 addresses (/23 prefix))
  • 36.113.212.0/24 (256 addresses (/24 prefix))
  • 117.61.143.0/24 (256 addresses (/24 prefix))
  • 117.61.134.0/24 (256 addresses (/24 prefix))
  • 36.113.215.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (49 total)

  • 240e:874:a00::/39
  • 240e:874::/40
  • 240e:874:900::/40
  • 240e:874:100::/41
  • 240e:874:c00::/41
  • 240e:874:200::/41
  • 240e:874:300::/41
  • 240e:874:700::/42
  • 240e:874:280::/42
  • 240e:875:8000::/42
  • 240e:874:600::/42
  • 240e:874:c80::/42
  • 240e:874:380::/42
  • 240e:874:180::/42
  • 240e:874:780::/42
  • 240e:874:800::/42
  • 240e:874:500::/42
  • 240e:874:880::/42
  • 240e:874:840::/43
  • 240e:874:8c0::/43
  • 240e:874:1c0::/43
  • 240e:874:740::/43
  • 240e:874:640::/43
  • 240e:874:540::/43