Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (16y) +6
- Not on any threat blocklist +5
- Isp allocation +5
- Trust score 91 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- www3587.sakura.ne.jp
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-07-19 04:41 UTC
- Forward DNS last checked
- 2026-07-19 04:41 UTC
Forward DNS records for www3587.sakura.ne.jp
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 49.212.243.97 | — | 172800s |
| AAAA | 2403:3a00:101:23:49:212:243:97 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 49.212.243.97
- CIDR range
- 49.212.240.0/22
- IP range (int)
- 836,038,656 — 836,039,679
- Prefix length
- /22
- Organization
- SAKURA Internet Inc.
- ASN
- AS9371
- ASN name
- SAKURA Internet Inc.
- Location
- Japan
- Coordinates
- 35.690000, 139.690000
- Accuracy radius
- 500 km
- Regional Internet Registry
- APNIC
- Allocated
- 2010-12-07
- Data source(s)
- maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-07-08 00:20:54
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 49.212.243.97?
49.212.243.97 is allocated to SAKURA Internet Inc. (AS9371), registered in Japan.
Where is 49.212.243.97 located?
The geolocation for 49.212.243.97 maps to Japan based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 49.212.243.97 on?
49.212.243.97 belongs to the 49.212.240.0/22 network block announced by AS9371. This range contains 1,024 addresses.
Does 49.212.243.97 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
