$ query “AS401866” --type=asn → 1 result(s)
AS401866 · MITSUPP
Master IT Support
AS401866 belongs to Master IT Support and is a hosting access provider, established in Puerto Rico in 2025. The system announces 768 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States.
Basic Information
- Country
- 🇵🇷 Puerto Rico
- Category
- Hosting
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 24, 2025
- Last Changed
- October 01, 2026
- Last Seen
- October 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 2
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 768
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇺🇸 United States (768 IPs)
- Prefix Changed
- August 16, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 4 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (3 total)
- 64.93.68.0/23 (512 addresses (/23 prefix))
- 23.143.4.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2604:19a0:1::/48
- 2604:19a0:3::/48