$ query “AS3676” --type=asn → 1 result(s)
AS3676 · UIOWA-AS
University of Iowa
AS3676 is operated by University of Iowa and serves as an educational/research access provider, registered in the United States since 1994. The system announces a solid 131 328 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to the United States.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 14, 1994
- Last Changed
- March 04, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 131 328
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /45
- Geolocated Countries
- 🇺🇸 United States (262 656 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 6 upstreams providing transit
- Peers
- 3 networks exchanging traffic without transit
- Downstream Customers
- 2 downstreams buying transit
- Degree
- 11 unique BGP neighbors
- Reach
- 5 networks in customer cone
Upstream Providers (6)
Prefix Lists
IPv4 Prefixes (3 total)
- 128.255.0.0/16 (65 536 addresses (/16 prefix))
- 129.255.0.0/16 (65 536 addresses (/16 prefix))
- 198.49.182.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2620:0:e50::/45