$ query “AS140577” --type=asn → 1 result(s)

AS140577 · AHREFS-AS-AP

Ahrefs Pte Ltd

AS140577 is operated by Ahrefs Pte Ltd and serves as an enterprise stub network, registered in Singapore. The system announces a respectable 11 264 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Singapore and the United Kingdom.

Basic Information

Country
🇸🇬 Singapore
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
12 / 5
IPv6 Prefixes (raw / aggregated)
10 / 2
IPv4 Addresses
11 264
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇸🇬 Singapore (5 120 IPs), 🇺🇸 United States (5 120 IPs), 🇬🇧 United Kingdom (1 024 IPs)
Prefix Changed
August 20, 2026

Reputation

Reputation
Good — 73 flagged IPs out of 11 264 total (0.65%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
35 networks exchanging traffic without transit
Degree
39 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (4)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (12 total)

  • 168.100.128.0/19 (8 192 addresses (/19 prefix))
  • 61.16.24.0/22 (1 024 addresses (/22 prefix))
  • 202.8.40.0/22 (1 024 addresses (/22 prefix))
  • 103.150.140.0/23 (512 addresses (/23 prefix))
  • 202.94.84.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (10 total)

  • 2401:59a0::/32
  • 2001:df3:7c80::/48