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Organization

National Oceanic and Atmospheric Administration

IPv4 addresses
507,904
CIDR ranges
79
Category
government
BGP prefixes announced
123

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.

73/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

National Oceanic and Atmospheric Administration — global IP footprint

Cities where National Oceanic and Atmospheric Administration has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by National Oceanic and Atmospheric Administration

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by National Oceanic and Atmospheric Administration

ASNNameIPsPrefixesCountry
AS3477 National Oceanic and Atmospheric Administration 321.5K 54 US
AS2648 National Oceanic and Atmospheric Administration 116.7K 18 US
AS7764 National Oceanic and Atmospheric Administration 65.5K 1 US
AS26100 National Oceanic and Atmospheric Administration 2.3K 3 US
AS10616 National Oceanic and Atmospheric Administration 1.5K 2 US
AS6629 National Oceanic and Atmospheric Administration 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
140.90.0.0/16 65.5K
11.5%
AS3477 US Maryland Crofton
140.172.0.0/16 65.5K
7.3%
AS3477 US Colorado Boulder
148.129.0.0/16 65.5K
0.3%
AS7764 US Maryland District Heights
155.206.0.0/16 65.5K
0.4%
AS3477 US Florida Wimauma
161.55.0.0/16 65.5K
2.4%
AS3477 US Washington Seattle
132.163.128.0/17 32.8K
0.2%
AS2648 US Colorado Louisville
132.163.0.0/18 16.4K
0.5%
AS2648 US
137.75.0.0/18 16.4K
1.5%
AS2648 US
137.75.128.0/18 16.4K
2.9%
AS2648 US
137.75.64.0/19 8.2K
2.0%
AS3477 US Maryland Bowie
137.75.192.0/19 8.2K
2.4%
AS2648 US Colorado Boulder
198.206.32.0/19 8.2K
8.3%
AS3477 US
205.156.0.0/19 8.2K
4.8%
AS3477 US Maryland Silver Spring
132.163.80.0/20 4.1K
0.2%
AS2648 US
132.163.112.0/20 4.1K
0.0%
AS2648 US
137.75.96.0/20 4.1K
0.1%
AS3477 US
137.75.240.0/20 4.1K
1.8%
AS2648 US
140.208.160.0/20 4.1K
0.0%
AS2648 US
140.208.192.0/20 4.1K
0.0%
AS3477 US
204.228.176.0/20 4.1K
37.9%
AS3477 US
205.156.32.0/20 4.1K
12.5%
AS3477 US Maryland Silver Spring
132.163.72.0/21 2.0K
0.0%
AS2648 US
132.163.104.0/21 2.0K
0.0%
AS2648 US
137.75.112.0/21 2.0K
0.2%
AS3477 US
137.75.232.0/21 2.0K
1.7%
AS2648 US
204.228.176.0/21 2.0K
44.9%
AS3477 US
205.156.48.0/21 2.0K
12.7%
AS3477 US
132.163.68.0/22 1.0K
0.0%
AS2648 US
132.163.100.0/22 1.0K
0.0%
AS2648 US
137.75.124.0/22 1.0K
4.0%
AS26100 US Hawaii Honolulu
137.75.224.0/22 1.0K
0.0%
AS3477 US
137.75.228.0/22 1.0K
0.0%
AS2648 US
140.208.252.0/22 1.0K
0.1%
AS3477 US North Carolina Weaverville
204.193.228.0/22 1.0K
0.0%
AS10616 US
204.193.244.0/22 1.0K
0.0%
AS3477 US Virginia Springfield
204.228.184.0/22 1.0K
38.0%
AS3477 US
205.156.56.0/22 1.0K
2.2%
AS26100 US
132.163.98.0/23 512
0.0%
AS2648 US
137.75.120.0/23 512
0.0%
AS3477 US
151.207.8.0/23 512
0.0%
AS3477 US
151.207.12.0/23 512
0.0%
AS3477 US
165.92.186.0/23 512
0.0%
AS3477 US
192.35.128.0/23 512
0.0%
AS3477 US
192.58.2.0/23 512
0.0%
AS3477 US
199.104.104.0/23 512
21.5%
AS3477 US
199.242.232.0/23 512
1.6%
AS3477 US
204.193.224.0/23 512
0.0%
AS10616 US
204.193.242.0/23 512
0.0%
AS3477 US
204.228.190.0/23 512
35.0%
AS3477 US
205.156.62.0/23 512
0.0%
AS3477 US
205.167.24.0/23 512
10.0%
AS3477 US
132.163.67.0/24 256
0.0%
AS2648 US Colorado Lafayette
137.75.123.0/24 256
0.8%
AS3477 US
165.92.182.0/24 256
0.0%
AS3477 US
165.92.184.0/24 256
0.0%
AS3477 US
165.92.222.0/24 256
0.0%
AS3477 US
170.110.254.0/24 256
0.0%
AS3477 US
192.58.1.0/24 256
0.0%
AS3477 US
192.67.97.0/24 256
5.9%
AS3477 US
192.67.134.0/24 256
1.6%
AS3477 US
192.94.173.0/24 256
2.0%
AS3477 US Michigan Ann Arbor
192.102.88.0/24 256
0.0%
AS6629 US
192.111.123.0/24 256
14.1%
AS3477 US
192.133.29.0/24 256
0.0%
AS3477 US
192.153.129.0/24 256
0.4%
AS3477 US
198.51.11.0/24 256
0.0%
AS3477 US
198.180.147.0/24 256
55.5%
AS3477 US
198.200.151.0/24 256
18.8%
AS3477 US
199.242.231.0/24 256
2.3%
AS3477 US
204.145.202.0/24 256
7.0%
AS3477 US
204.193.241.0/24 256
0.0%
AS3477 US
204.193.242.0/24 256
0.0%
AS3477 US
204.228.175.0/24 256
12.9%
AS3477 US
204.228.188.0/24 256
18.8%
AS3477 US
204.238.94.0/24 256
60.5%
AS2648 US
205.156.60.0/24 256
1.6%
AS26100 US
205.156.61.0/24 256
0.0%
AS3477 US
205.159.118.0/24 256
0.0%
AS3477 US
205.166.33.0/24 256
14.5%
AS3477 US
206.197.238.0/24 256
0.4%
AS3477 US Maryland Frederick

Frequently Asked Questions

How many IP addresses does National Oceanic and Atmospheric Administration own?

National Oceanic and Atmospheric Administration controls 507.9K IPv4 addresses distributed across 79 CIDR ranges. The organization is registered in United States.

What ASNs does National Oceanic and Atmospheric Administration operate?

National Oceanic and Atmospheric Administration operates 6 Autonomous Systems. Each ASN represents an independently routed network that National Oceanic and Atmospheric Administration manages for internet traffic delivery.

What type of organization is National Oceanic and Atmospheric Administration?

National Oceanic and Atmospheric Administration is categorized as government. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-30 04:40:32 UTC
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