205.235.42.21
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 (31y) +6
- Not on any threat blocklist +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 205.235.42.21
- CIDR range
- 205.235.32.0/20
- IP range (int)
- 3,454,738,432 — 3,454,742,527
- Prefix length
- /20
- Organization
- Berks County Intermediate Unit
- ASN
- AS31763
- ASN name
- Berks County Intermediate Unit
- Location
- Reading, Pennsylvania, United States
- Coordinates
- 40.296000, -75.989400
- Accuracy radius
- 20 km
- Postal code
- 19607
- Regional Internet Registry
- ARIN
- Allocated
- 1995-06-06
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-07-21 04:10:10
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 205.235.42.21?
205.235.42.21 is allocated to Berks County Intermediate Unit (AS31763), registered in Reading, United States.
Where is 205.235.42.21 located?
The geolocation for 205.235.42.21 maps to Reading, 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 205.235.42.21 on?
205.235.42.21 belongs to the 205.235.32.0/20 network block announced by AS31763. This range contains 4,096 addresses.
Does 205.235.42.21 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.
