$ query “AS4723” --type=asn → 1 result(s)
AS4723 — DOLPHIN
Dolphin
AS4723 is an enterprise stub network operated by Dolphin, established in Japan. The network announces a respectable 25 600 IPv4 addresses. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Business
- 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)
- 5 / 4
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 25 600
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Geolocated Countries
- 🇯🇵 JP (4 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 25 600 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 3 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 5 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #15 137
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (5 total)
- 61.122.64.0/19 (8 192 addresses)
- 210.135.64.0/19 (8 192 addresses)
- 210.173.224.0/19 (8 192 addresses)
- 175.100.208.0/22 (1 024 addresses)