$ query “AS1831” --type=asn → 1 result(s)
AS1831 · ITESO-AC
ITESO A.C.
AS1831 is operated by ITESO A.C. and serves as an educational/research stub network, registered in Mexico since 1992. The system announces a respectable 65 536 IPv4 addresses, including a /16. Most of its address space is geolocated to Australia. No IPv6 support — it's 2026, just saying.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇲🇽 Mexico
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 19, 1992
- Last Changed
- March 04, 2026
- Last Seen
- April 20, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 65 536
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇦🇺 Australia (65 536 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 148.201.0.0/16 (65 536 addresses (/16 prefix))