128.141.170.137
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 (40y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 85 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- pcadmini5d100.dyndns.cern.ch
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 7200 s
- Reverse DNS last checked
- 2026-10-15 15:02 UTC
- Forward DNS last checked
- 2026-10-15 10:53 UTC
Forward DNS records for pcadmini5d100.dyndns.cern.ch
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 128.141.170.137 | — | 7200s |
| AAAA | 2001:1458:202:103::101:4b | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-11 UTC0
issued.live saw no domain resolving to this IP in its latest weekly snapshot.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Network Allocation for 128.141.170.137
- CIDR range
- 128.141.160.0/20
- IP range (int)
- 2,156,765,184 — 2,156,769,279
- Prefix length
- /20
- Organization
- European Organization for Nuclear Research
- ASN
- AS513
- ASN name
- European Organization for Nuclear Research
- Location
- Geneva, Geneva, Switzerland
- Coordinates
- 46.195300, 6.138500
- Accuracy radius
- 20 km
- Postal code
- 1205
- Regional Internet Registry
- RIPE
- Allocated
- 1986-07-31
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-10-15 08:47:36
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 from regional internet registry (RIR) delegation files, re-imported every six hours, for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | CH |
See the full history for 128.141.0.0/16.
Frequently Asked Questions
Who owns 128.141.170.137?
128.141.170.137 is allocated to European Organization for Nuclear Research (AS513), registered in Geneva, Switzerland.
Where is 128.141.170.137 located?
The geolocation for 128.141.170.137 maps to Geneva, Switzerland 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 128.141.170.137 on?
128.141.170.137 belongs to the 128.141.160.0/20 network block announced by AS513. This range contains 4,096 addresses.
Does 128.141.170.137 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.
