$ query “AS2500” --type=asn → 1 result(s)
AS2500 · WIDE-BB
WIDE Project
AS2500 is owned by WIDE Project and is a mid-size transit provider, established in Japan. The system announces a respectable 65 536 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Japan.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #9 in Japan — Top 10 by reach within country
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 65 536
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇯🇵 Japan (98 304 IPs)
- Prefix Changed
- March 09, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 267 networks exchanging traffic without transit
- Downstream Customers
- 17 downstreams buying transit
- Degree
- 286 unique BGP neighbors
- Reach
- 2 815 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (3 total)
- 203.178.128.0/17 (32 768 addresses (/17 prefix))
- 133.4.128.0/18 (16 384 addresses (/18 prefix))
- 202.249.0.0/18 (16 384 addresses (/18 prefix))
IPv6 Prefixes (1 total)
- 2001:200::/32