Skip to main content
WorldIP.io
Sistema Autônomo

AS3477

National Oceanic and Atmospheric Administration

IPs Anunciados
321,536
Prefixos CIDR
54
ASN
AS3477

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 →

AS3477 — pegada global de IP

Cidades onde AS3477 possui alocação IPv4 mensurável. Clique em qualquer ponto para abrir a página daquela cidade. O tamanho e a cor escalam com a contagem de IP.

Ver no globo 3D →

Principais intervalos CIDR

CIDRIPsPTR DensityOrganizaçãoPaísStateCity
140.90.0.0/16 65.5K
11.5%
National Oceanic and Atmospheric Administration US Maryland Crofton
140.172.0.0/16 65.5K
7.3%
National Oceanic and Atmospheric Administration US Colorado Boulder
155.206.0.0/16 65.5K
0.4%
National Oceanic and Atmospheric Administration US Florida Wimauma
161.55.0.0/16 65.5K
2.4%
National Oceanic and Atmospheric Administration US Washington Seattle
137.75.64.0/19 8.2K
2.0%
National Oceanic and Atmospheric Administration US Maryland Bowie
198.206.32.0/19 8.2K
8.3%
National Oceanic and Atmospheric Administration US
205.156.0.0/19 8.2K
4.8%
National Oceanic and Atmospheric Administration US Maryland Silver Spring
137.75.96.0/20 4.1K
0.1%
National Oceanic and Atmospheric Administration US
140.208.192.0/20 4.1K
0.0%
National Oceanic and Atmospheric Administration US
204.228.176.0/20 4.1K
37.9%
National Oceanic and Atmospheric Administration US
205.156.32.0/20 4.1K
12.5%
National Oceanic and Atmospheric Administration US Maryland Silver Spring
137.75.112.0/21 2.0K
0.2%
National Oceanic and Atmospheric Administration US
204.228.176.0/21 2.0K
44.9%
National Oceanic and Atmospheric Administration US
205.156.48.0/21 2.0K
12.7%
National Oceanic and Atmospheric Administration US
137.75.224.0/22 1.0K
0.0%
National Oceanic and Atmospheric Administration US
140.208.252.0/22 1.0K
0.1%
National Oceanic and Atmospheric Administration US North Carolina Weaverville
204.193.244.0/22 1.0K
0.0%
National Oceanic and Atmospheric Administration US Virginia Springfield
204.228.184.0/22 1.0K
38.0%
National Oceanic and Atmospheric Administration US
137.75.120.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
151.207.8.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
151.207.12.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
165.92.186.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
192.35.128.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
192.58.2.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
199.104.104.0/23 512
21.5%
National Oceanic and Atmospheric Administration US
199.242.232.0/23 512
1.6%
National Oceanic and Atmospheric Administration US
204.193.242.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
204.228.190.0/23 512
35.0%
National Oceanic and Atmospheric Administration US
205.156.62.0/23 512
0.0%
National Oceanic and Atmospheric Administration US
205.167.24.0/23 512
10.0%
National Oceanic and Atmospheric Administration US
137.75.123.0/24 256
0.8%
National Oceanic and Atmospheric Administration US
165.92.182.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
165.92.184.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
165.92.222.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
170.110.254.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
192.58.1.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
192.67.97.0/24 256
5.9%
National Oceanic and Atmospheric Administration US
192.67.134.0/24 256
1.6%
National Oceanic and Atmospheric Administration US
192.94.173.0/24 256
2.0%
National Oceanic and Atmospheric Administration US Michigan Ann Arbor
192.111.123.0/24 256
14.1%
National Oceanic and Atmospheric Administration US
192.133.29.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
192.153.129.0/24 256
0.4%
National Oceanic and Atmospheric Administration US
198.51.11.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
198.180.147.0/24 256
55.5%
National Oceanic and Atmospheric Administration US
198.200.151.0/24 256
18.8%
National Oceanic and Atmospheric Administration US
199.242.231.0/24 256
2.3%
National Oceanic and Atmospheric Administration US
204.145.202.0/24 256
7.0%
National Oceanic and Atmospheric Administration US
204.193.241.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
204.193.242.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
204.228.175.0/24 256
12.9%
National Oceanic and Atmospheric Administration US
204.228.188.0/24 256
18.8%
National Oceanic and Atmospheric Administration US
205.156.61.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
205.159.118.0/24 256
0.0%
National Oceanic and Atmospheric Administration US
205.166.33.0/24 256
14.5%
National Oceanic and Atmospheric Administration US
206.197.238.0/24 256
0.4%
National Oceanic and Atmospheric Administration US Maryland Frederick

Prefixos BGP Anunciados

Anomalias BGP ao vivo →

Prefixos AS3477 realmente se origina no BGP, observado em nossos coletores RIPE RIS. Esta visualização de roteamento ao vivo pode diferir da alocação de registro acima.

PrefixAmostras de anúncioÚltima vez visto
204.228.182.0/24 50,117 2026-07-31 03:27:29
204.228.188.0/24 47,926 2026-07-31 03:27:29
204.228.190.0/24 44,927 2026-07-31 03:27:29
204.228.186.0/24 44,723 2026-07-31 03:27:29
204.228.189.0/24 44,089 2026-07-31 03:27:29
204.228.178.0/24 43,713 2026-07-31 03:27:29
204.145.202.0/24 41,785 2026-07-31 03:27:29
204.228.176.0/24 41,630 2026-07-31 03:27:29
199.104.104.0/24 41,513 2026-07-31 03:27:29
204.228.187.0/24 41,386 2026-07-31 03:27:29
204.228.175.0/24 41,315 2026-07-31 03:27:29
192.133.29.0/24 41,253 2026-07-31 03:27:29
204.228.185.0/24 41,176 2026-07-31 03:27:29
204.228.184.0/24 40,200 2026-07-31 03:27:29
204.228.181.0/24 40,113 2026-07-31 03:27:29
204.228.180.0/24 40,063 2026-07-31 03:27:29
204.228.177.0/24 39,967 2026-07-31 03:27:29
204.228.183.0/24 39,940 2026-07-31 03:27:29
204.228.191.0/24 39,914 2026-07-31 03:27:29
204.228.179.0/24 39,896 2026-07-31 03:27:29
204.193.242.0/24 33,406 2026-07-31 03:27:29
140.172.0.0/16 29,864 2026-07-31 03:27:29
137.75.72.0/22 29,682 2026-07-31 03:27:29
137.75.64.0/18 29,563 2026-07-31 03:27:29
192.67.97.0/24 28,798 2026-07-31 03:27:29
192.35.129.0/24 28,743 2026-07-31 03:27:29
204.193.243.0/24 22,664 2026-07-31 03:28:11
192.94.173.0/24 22,379 2026-07-31 03:28:11
198.51.11.0/24 15,575 2026-07-31 03:27:33
199.242.231.0/24 11,810 2026-07-31 03:28:11
199.242.232.0/23 11,802 2026-07-31 03:28:11
204.193.245.0/24 11,267 2026-07-31 03:28:11
192.111.123.0/24 9,722 2026-07-31 03:28:11
137.75.82.0/24 9,087 2026-07-31 03:12:02
161.55.56.0/23 8,175 2026-07-31 03:12:02
192.67.134.0/24 7,636 2026-07-31 03:28:11
192.153.129.0/24 7,625 2026-07-31 03:28:11
204.193.241.0/24 7,058 2026-07-31 03:28:11
137.75.100.0/22 6,432 2026-07-31 03:28:11
161.55.224.0/24 6,114 2026-07-31 03:28:11
140.90.101.0/24 5,365 2026-07-31 03:28:11
140.90.190.0/24 5,364 2026-07-31 03:28:11
140.90.0.0/16 5,352 2026-07-31 03:28:11
140.90.28.0/24 5,330 2026-07-31 03:28:11
137.75.120.0/24 4,929 2026-07-31 03:27:31
137.75.112.0/22 4,882 2026-07-31 03:27:31
205.167.24.0/24 4,843 2026-07-31 03:28:11
205.159.118.0/24 4,796 2026-07-31 03:28:11
137.75.224.0/22 4,780 2026-07-31 03:28:11
206.197.238.0/24 4,763 2026-07-31 03:28:11

Mostrando os principais 50 of 86 prefixos anunciados por volume de amostras.

Frequently Asked Questions

O que é AS3477?

AS3477 é um Autonomous System Number atribuído a National Oceanic and Atmospheric Administration. Um ASN identifica uma rede que controla um conjunto específico de endereços IP e determina como o tráfego é roteado pela internet via BGP (Border Gateway Protocol).

Quantos endereços IP o AS3477 anuncia?

AS3477 anuncia 321.5K endereços IPv4 distribuídos por 54 prefixos CIDR roteados. A rede está registrada em United States.

Quem opera o AS3477?

AS3477 é operado por National Oceanic and Atmospheric Administration. A organização está sediada em United States. Você pode ver todos os intervalos de IP e ASNs relacionados na página da organização.

Em que país o AS3477 está registrado?

AS3477 está registrado em United States. Isso indica onde o operador de rede está sediado, embora os endereços IP que ele anuncia possam atender usuários globalmente.

Última atualização: 2026-07-31 03:25:34 UTC
Share