18.27.196.9
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 (32y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 87 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mock.laptop.org
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 3600 s
- Reverse DNS last checked
- 2026-10-03 07:47 UTC
Forward DNS records for mock.laptop.org
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 18.27.196.9 | — | 172800s |
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.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
Reverse-DNS changes between Oct 2, 2026 and Oct 3, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- mock.laptop.org — since at least Oct 3, 2026 → present
- one.laptop.org — Oct 2, 2026 → Oct 3, 2026
- mock.laptop.org — Oct 1, 2026 → Oct 2, 2026
- laptop.org — Sep 30, 2026 → Oct 1, 2026
- mock.laptop.org — Sep 29, 2026 → Sep 30, 2026
- demo.laptop.org — Sep 28, 2026 → Sep 29, 2026
- one.laptop.org — Sep 27, 2026 → Sep 28, 2026
- demo.laptop.org — Sep 26, 2026 → Sep 27, 2026
- laptop.org — Sep 23, 2026 → Sep 26, 2026
- mock.laptop.org — Aug 24, 2026 → Sep 23, 2026
- laptop.org — Aug 24, 2026 → Aug 24, 2026
- mock.laptop.org — Aug 18, 2026 → Aug 24, 2026
- demo.laptop.org — Aug 17, 2026 → Aug 18, 2026
- wiki.laptop.org — Jul 4, 2026 → Aug 17, 2026
- demo.laptop.org — Jun 30, 2026 → Jul 4, 2026
- mock.laptop.org — Jun 26, 2026 → Jun 30, 2026
- demo.laptop.org — Jun 19, 2026 → Jun 26, 2026
- laptop.org — Jun 19, 2026 → Jun 19, 2026
- wiki.laptop.org — Jun 11, 2026 → Jun 19, 2026
Network Allocation for 18.27.196.9
- CIDR range
- 18.27.0.0/16
- IP range (int)
- 303,759,360 — 303,824,895
- Prefix length
- /16
- Organization
- Massachusetts Institute of Technology
- ASN
- AS3
- ASN name
- Massachusetts Institute of Technology
- Location
- Cambridge, Massachusetts, United States
- Coordinates
- 42.364900, -71.098700
- Accuracy radius
- 5 km
- Postal code
- 02139
- Regional Internet Registry
- ARIN
- Allocated
- 1994-01-01
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-03 08:42:07
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 18.27.196.9?
18.27.196.9 is allocated to Massachusetts Institute of Technology (AS3), registered in Cambridge, United States.
Where is 18.27.196.9 located?
The geolocation for 18.27.196.9 maps to Cambridge, 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 18.27.196.9 on?
18.27.196.9 belongs to the 18.27.0.0/16 network block announced by AS3. This range contains 65,536 addresses.
Does 18.27.196.9 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.
