131.252.97.198
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 (37y) +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)
- www2.sa.pdx.edu
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 14400 s
- Reverse DNS last checked
- 2026-09-21 03:01 UTC
Forward DNS records for www2.sa.pdx.edu
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 131.252.97.198 | — | 14400s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- www2.sa.pdx.edu — Jul 3, 2026 → present
- boxer.sa.pdx.edu stable — Jun 12, 2026 → Jul 3, 2026
Network Allocation for 131.252.97.198
- CIDR range
- 131.252.96.0/19
- IP range (int)
- 2,214,354,944 — 2,214,363,135
- Prefix length
- /19
- Organization
- Portland State University
- ASN
- AS6366
- ASN name
- Portland State University
- Location
- Portland, Oregon, United States
- Coordinates
- 45.507300, -122.692900
- Accuracy radius
- 5 km
- Postal code
- 97201
- Regional Internet Registry
- ARIN
- Allocated
- 1989-02-13
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-09-22 04:09:13
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 131.252.97.198?
131.252.97.198 is allocated to Portland State University (AS6366), registered in Portland, United States.
Where is 131.252.97.198 located?
The geolocation for 131.252.97.198 maps to Portland, United States 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 131.252.97.198 on?
131.252.97.198 belongs to the 131.252.96.0/19 network block announced by AS6366. This range contains 8,192 addresses.
Does 131.252.97.198 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.
