128.112.64.198
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
- Academic allocation +6
- Long-established allocation (40y) +6
- Not on any threat blocklist +5
- Trust score 82 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- dynamic-oit-puccnet-128-112-64-198.princeton.edu
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 43200 s
- Reverse DNS last checked
- 2026-10-01 07:37 UTC
Forward DNS records for dynamic-oit-puccnet-128-112-64-198.princeton.edu
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 128.112.64.198 | — | 43200s |
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.
Reverse-DNS changes between Sep 30, 2026 and Oct 1, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- dynamic-oit-puccnet-128-112-64-198.princeton.edu — since at least Oct 1, 2026 → present
- no PTR — Sep 30, 2026 → Oct 1, 2026
- dynamic-oit-puccnet-128-112-64-198.princeton.edu stable — May 31, 2026 → Sep 30, 2026
Network Allocation for 128.112.64.198
- CIDR range
- 128.112.64.0/20
- IP range (int)
- 2,154,840,064 — 2,154,844,159
- Prefix length
- /20
- Organization
- Princeton University
- ASN
- AS88
- ASN name
- Princeton University
- Location
- Washington, District Of Columbia, United States
- Coordinates
- 38.903400, -76.988200
- Accuracy radius
- 10 km
- Postal code
- 20002
- Regional Internet Registry
- ARIN
- Allocated
- 1986-02-24
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-09-30 05:24:10
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 128.112.64.198?
128.112.64.198 is allocated to Princeton University (AS88), registered in Washington, United States.
Where is 128.112.64.198 located?
The geolocation for 128.112.64.198 maps to Washington, 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 128.112.64.198 on?
128.112.64.198 belongs to the 128.112.64.0/20 network block announced by AS88. This range contains 4,096 addresses.
Does 128.112.64.198 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.
