$ query “AS139274” --type=asn → 1 result(s)
AS139274 · AMEX-JAPA-AS-AP
American Express Australia Pty Ltd
AS139274 is operated by American Express Australia Pty Ltd and serves as an enterprise stub network, established in Australia. The system announces 256 IPv4 addresses. The bulk of its IP address space is in the United States. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇦🇺 Australia
- 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
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 United States (256 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS19551 — INCAPSULA
Prefix Lists
IPv4 Prefixes (1 total)
- 139.71.204.0/24 (256 addresses (/24 prefix))