$ query “AS33091” --type=asn → 1 result(s)
AS33091 — U-CALGARY
University of Calgary
AS33091 is an educational stub network operated by University of Calgary, registered in Canada since 2004. The network announces a respectable 66 048 IPv4 addresses, including a /16. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇨🇦 Canada
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 28, 2004
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 66 048
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇨🇦 CA (4 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 66 048 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 2 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #34 334
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (3 total)
- 136.159.0.0/16 (65 536 addresses)
- 198.161.127.0/24 (256 addresses)
- 198.161.243.0/24 (256 addresses)