$ query “AS31822” --type=asn → 1 result(s)
AS31822 · CITY-UNIVERSITY-OF-NEW-YORK
City University of New York
AS31822 belongs to City University of New York and is an educational/research stub network, registered in the United States since 2004. The system announces a solid 659 712 IPv4 addresses, including a /16. 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
- January 02, 2004
- Last Changed
- March 04, 2026
- Last Seen
- April 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 12
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 659 712
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇺🇸 United States (925 952 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Degree
- 4 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (12 total)
- 128.228.0.0/16 (65 536 addresses (/16 prefix))
- 134.74.0.0/16 (65 536 addresses (/16 prefix))
- 146.95.0.0/16 (65 536 addresses (/16 prefix))
- 146.96.0.0/16 (65 536 addresses (/16 prefix))
- 146.111.0.0/16 (65 536 addresses (/16 prefix))
- 146.245.0.0/16 (65 536 addresses (/16 prefix))
- 148.84.0.0/16 (65 536 addresses (/16 prefix))
- 149.4.0.0/16 (65 536 addresses (/16 prefix))
- 150.210.0.0/16 (65 536 addresses (/16 prefix))
- 163.238.0.0/16 (65 536 addresses (/16 prefix))
- 198.61.16.0/20 (4 096 addresses (/20 prefix))
- 198.180.141.0/24 (256 addresses (/24 prefix))