$ query “AS19978” --type=asn → 1 result(s)
AS19978 · CIRION-TECHNOLOGIES-ARGENTINA
CIRION TECHNOLOGIES ARGENTINA S.A.
AS19978 is owned by CIRION TECHNOLOGIES ARGENTINA S.A. and is a mid-size transit provider, based in Argentina since 2001. The system announces 2 816 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Venezuela, with additional presence in the United States. This AS has recently updated its prefix announcements.
Basic Information
- Country
- 🇦🇷 Argentina
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 12, 2001
- Last Changed
- March 04, 2026
- Last Seen
- August 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 4 / 4
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 2 816
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /34
- Geolocated Countries
- 🇻🇪 Venezuela (4 288 IPs), 🇺🇸 United States (256 IPs)
- Prefix Changed
- August 11, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 2 816 total (0.04%)
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Peers
- 2 networks exchanging traffic without transit
- Downstream Customers
- 17 downstreams buying transit
- Degree
- 20 unique BGP neighbors
- Reach
- 159 networks in customer cone
Upstream Providers (1)
- AS3356 — LEVEL3 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (4 total)
- 8.243.248.0/21 (2 048 addresses (/21 prefix))
- 67.73.192.0/24 (256 addresses (/24 prefix))
- 190.216.228.0/24 (256 addresses (/24 prefix))
- 190.216.239.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2001:13b3:c000::/34