137.75.88.13
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 (37y) +6
- Not on any threat blocklist +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 137.75.88.13
- CIDR range
- 137.75.80.0/20
- IP range (int)
- 2,303,414,272 — 2,303,418,367
- Prefix length
- /20
- Organization
- National Oceanic and Atmospheric Administration
- ASN
- AS3477
- ASN name
- National Oceanic and Atmospheric Administration
- Location
- Upper Marlboro, Maryland, United States
- Coordinates
- 38.840600, -76.799900
- Accuracy radius
- 500 km
- Postal code
- 20772
- Regional Internet Registry
- ARIN
- Allocated
- 1989-11-07
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-07-11 09:23:18
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 137.75.0.0/16.
Frequently Asked Questions
Who owns 137.75.88.13?
137.75.88.13 is allocated to National Oceanic and Atmospheric Administration (AS3477), registered in Upper Marlboro, United States.
Where is 137.75.88.13 located?
The geolocation for 137.75.88.13 maps to Upper Marlboro, 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 137.75.88.13 on?
137.75.88.13 belongs to the 137.75.80.0/20 network block announced by AS3477. This range contains 4,096 addresses.
Does 137.75.88.13 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.
