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
- Long-established allocation (38y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- salvpn.sal.tohoku.ac.jp
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 43200 s
- Reverse DNS last checked
- 2026-09-10 23:08 UTC
- Forward DNS last checked
- 2026-09-10 17:43 UTC
Forward DNS records for salvpn.sal.tohoku.ac.jp
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 130.34.136.253 | — | 43200s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 130.34.136.253
- CIDR range
- 130.34.136.0/21
- IP range (int)
- 2,183,301,120 — 2,183,303,167
- Prefix length
- /21
- ASN
- AS2907
- ASN name
- Research Organization of Information and Systems, National Institute of Informatics
- Location
- Miyagino, Miyagi, Japan
- Coordinates
- 38.265700, 140.969700
- Accuracy radius
- 10 km
- Postal code
- 983-0001
- Regional Internet Registry
- APNIC
- Allocated
- 1988-04-29
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-08-09 13:24:16
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | RIR Transfer | arin | apnic |
See the full history for 130.34.0.0/16.
Frequently Asked Questions
Who owns 130.34.136.253?
130.34.136.253 is allocated to Research Organization of Information and Systems, National Institute of Informatics (AS2907), registered in Miyagino, Japan.
Where is 130.34.136.253 located?
The geolocation for 130.34.136.253 maps to Miyagino, 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 130.34.136.253 on?
130.34.136.253 belongs to the 130.34.136.0/21 network block announced by AS2907. This range contains 2,048 addresses.
Does 130.34.136.253 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.
