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CIDR
/22 · 1.0K IPs
ASN
University of Washington
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 207.231.248.31

CIDR range
207.231.248.0/22
IP range (int)
3,488,086,016 — 3,488,087,039
Prefix length
/22
Organization
University of Washington
ASN
AS101
ASN name
University of Washington
Location
United States
Coordinates
37.751000, -97.822000
Accuracy radius
1000 km
Regional Internet Registry
ARIN
Allocated
2004-08-18
Data source(s)
ipinfo_lite, maxmind_city, maxmind_country, maxmind_asn
Last updated
2026-07-21 04:29:57

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
4,074
Last seen
2026-07-23 09:40:36

Frequently Asked Questions

Who owns 207.231.248.31?

207.231.248.31 is allocated to University of Washington (AS101), registered in United States.

Where is 207.231.248.31 located?

The geolocation for 207.231.248.31 maps to 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 207.231.248.31 on?

207.231.248.31 belongs to the 207.231.248.0/22 network block announced by AS101. This range contains 1,024 addresses.

Does 207.231.248.31 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.

Related

Last updated: 2026-07-23 11:41:39 UTC
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