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
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Recently allocated (1y) −3
- Trust score 72 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- 163-252-199-42.mnchnh.fidium.ccidns.net
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 900 s
- Reverse DNS last checked
- 2026-07-17 05:56 UTC
- Forward DNS last checked
- 2026-07-17 05:56 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 163.252.199.42
- CIDR range
- 163.252.192.0/21
- IP range (int)
- 2,751,250,432 — 2,751,252,479
- Prefix length
- /21
- Organization
- Fidium
- ASN
- AS13977
- ASN name
- Fidium
- Location
- Manchester, New Hampshire, United States
- Coordinates
- 42.994800, -71.458000
- Accuracy radius
- 20 km
- Postal code
- 03105
- Regional Internet Registry
- APNIC
- Allocated
- 2025-02-24
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-07-11 09:23:44
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
See the full history for 163.252.0.0/15.
Frequently Asked Questions
Who owns 163.252.199.42?
163.252.199.42 is allocated to Fidium (AS13977), registered in Manchester, United States.
Where is 163.252.199.42 located?
The geolocation for 163.252.199.42 maps to Manchester, 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 163.252.199.42 on?
163.252.199.42 belongs to the 163.252.192.0/21 network block announced by AS13977. This range contains 2,048 addresses.
Does 163.252.199.42 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.
