$ query “AS545” --type=asn → 1 result(s)
AS545 · NRI
Corporation for National Research Initiatives
AS545 belongs to Corporation for National Research Initiatives and is an educational/research stub network, registered in the United States since 1989. The system announces a respectable 65 792 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in the United States.
- Pioneer — Registered before the year 2000
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
- October 17, 1989
- Last Changed
- May 28, 2026
- Last Seen
- June 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 65 792
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /44
- Geolocated Countries
- 🇺🇸 United States (131 328 IPs)
- Prefix Changed
- May 29, 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)
- AS701 — UUNET (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (2 total)
- 132.151.0.0/16 (65 536 addresses (/16 prefix))
- 65.194.67.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2602:80d:3000::/44