$ query “AS18648” --type=asn → 1 result(s)
AS18648 · HTRI
Heat Transfer Research Inc.
AS18648 is owned by Heat Transfer Research Inc. and is an educational/research stub network, established in the United States in 2020. 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
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 25, 2020
- Last Changed
- October 03, 2026
- Last Seen
- October 13, 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
- October 03, 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)
- AS3356 — LEVEL3 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (1 total)
- 161.199.26.0/24 (256 addresses (/24 prefix))