$ query “AS23351” --type=asn → 1 result(s)
AS23351 · ANSYSNH
Synopsys Inc.
AS23351 is run by Synopsys Inc. and is an enterprise stub network, established in the United States in 2002. The system announces 1 024 IPv4 addresses. Its primary geographic footprint is in the United States. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 04, 2002
- Last Changed
- April 16, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 1 024
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Geolocated Countries
- 🇺🇸 United States (1 024 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (1 total)
- 204.10.84.0/22 (1 024 addresses (/22 prefix))