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CIDR
/19 · 8.2K IPs
ASN
University of Washington
Reverse DNS
itconnect11-dev.s.uw.edu
last known PTR from 13 days ago
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.

81/100
Trusted
How this score is built

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

DNS records

Reverse DNS (PTR)
itconnect11-dev.s.uw.edu
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
604800 s
Reverse DNS last checked
2026-07-09 05:08 UTC
Forward DNS last checked
2026-07-09 05:08 UTC

Forward DNS records for itconnect11-dev.s.uw.edu

TypeValuePriorityTTL
A 128.208.60.177 172800s
every IP & sub-domain we've seen under this domain

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.

  1. no PTR — Jul 9, 2026 → present
  2. itconnect11-dev.s.uw.edu stable — Jun 11, 2026 → Jul 9, 2026

Network Allocation for 128.208.60.177

CIDR range
128.208.32.0/19
IP range (int)
2,161,123,328 — 2,161,131,519
Prefix length
/19
Organization
University of Washington
ASN
AS73
ASN name
University of Washington
Location
Seattle, Washington, United States
Coordinates
47.583400, -122.297900
Accuracy radius
10 km
Postal code
98144
Regional Internet Registry
ARIN
Allocated
1987-03-05
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-21 04:08:30

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

Announced prefix
Origin AS
Announcement samples
4,084
Last seen
2026-07-23 00:30:10

Frequently Asked Questions

Who owns 128.208.60.177?

128.208.60.177 is allocated to University of Washington (AS73), registered in Seattle, United States.

Where is 128.208.60.177 located?

The geolocation for 128.208.60.177 maps to Seattle, 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 128.208.60.177 on?

128.208.60.177 belongs to the 128.208.32.0/19 network block announced by AS73. This range contains 8,192 addresses.

Does 128.208.60.177 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: 2026-07-22 23:32:45 UTC
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