$ query “AS21391” --type=asn → 1 result(s)
AS21391 · TDA-AS
TDA AS Maintainer
AS21391 is owned by TDA AS Maintainer and is a government/public-admin stub network, established in Algeria in 2001. The system announces 4 096 IPv4 addresses. Its primary geographic footprint is in Algeria. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇩🇿 Algeria
- Category
- Government/Public Administration
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- November 23, 2001
- Last Changed
- May 18, 2026
- Last Seen
- June 22, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 4 096
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇩🇿 Algeria (8 192 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)
- AS36947 — FAWRI-AS
Prefix Lists
IPv4 Prefixes (1 total)
- 80.246.0.0/20 (4 096 addresses (/20 prefix))