148.129.75.181
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
- Government allocation +8
- Long-established allocation (35y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Trust score 89 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- wwws.census.gov
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 21599 s
- Reverse DNS last checked
- 2026-10-10 23:43 UTC
Forward DNS records for wwws.census.gov
| Type | Value | Priority | TTL |
|---|---|---|---|
| MX | mail1.census.gov | 50 | — |
| MX | mail2.census.gov | 50 | — |
| TXT | v=spf1 ip4:148.129.0.0/16 ip6:2610:20:2000:101::f:0 ip6:2610:20:2010:a04::f:0 mx -all | — | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-04 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 148.129.75.181
- CIDR range
- 148.129.64.0/18
- IP range (int)
- 2,491,498,496 — 2,491,514,879
- Prefix length
- /18
- Organization
- National Oceanic and Atmospheric Administration
- ASN
- AS7764
- ASN name
- National Oceanic and Atmospheric Administration
- Location
- Waldorf, Maryland, United States
- Coordinates
- 38.627300, -76.985900
- Accuracy radius
- 500 km
- Postal code
- 20603
- Regional Internet Registry
- ARIN
- Allocated
- 1991-04-09
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-10 08:47:20
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 148.129.75.181?
148.129.75.181 is allocated to National Oceanic and Atmospheric Administration (AS7764), registered in Waldorf, United States.
Where is 148.129.75.181 located?
The geolocation for 148.129.75.181 maps to Waldorf, 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 148.129.75.181 on?
148.129.75.181 belongs to the 148.129.64.0/18 network block announced by AS7764. This range contains 16,384 addresses.
Does 148.129.75.181 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.
