$ query “AS7509” --type=asn → 1 result(s)
AS7509 — HINES
Hokkaido University
AS7509 is an educational stub network registered to Hokkaido University, based in Japan. The network announces a solid 131 328 IPv4 addresses, including a /16. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- 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
- 131 328
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇯🇵 JP (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 131 328 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 1 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #53 517
Upstream Providers (1)
- AS2907 — SINET-AS
Prefix Lists
IPv4 Prefixes (3 total)
- 133.50.0.0/16 (65 536 addresses)
- 133.87.0.0/16 (65 536 addresses)
- 192.50.101.0/24 (256 addresses)