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Sistema Autónomo

AS3477

National Oceanic and Atmospheric Administration

IPs anunciadas
321,536
Prefijos 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 — huella IP global

Ciudades donde AS3477 tiene una asignación IPv4 medible. Haz clic en cualquier punto para abrir la página de esa ciudad. El tamaño y el color escalan con el recuento de IP.

Ver en globo 3D →

Principales rangos CIDR

CIDRIPsPTR DensityOrganizaciónPaísStateCity
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

Prefijos BGP anunciados

Anomalías BGP en vivo →

Prefijos AS3477 se origina realmente en BGP, observado a través de nuestros colectores RIPE RIS. Esta vista de enrutamiento en vivo puede diferir de la asignación de registro anterior.

PrefixMuestras de anuncioÚltima 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 los principales 50 of 86 prefijos anunciados por volumen de muestra.

Frequently Asked Questions

¿Qué es AS3477?

AS3477 es un Número de Sistema Autónomo asignado a National Oceanic and Atmospheric Administration. Un ASN identifica una red que controla un conjunto específico de direcciones IP y determina cómo se enruta el tráfico a través de internet mediante BGP (Border Gateway Protocol).

¿Cuántas direcciones IP anuncia AS3477?

AS3477 anuncia 321.5K direcciones IPv4 distribuidas en 54 prefijos CIDR enrutados. La red está registrada en United States.

¿Quién opera AS3477?

AS3477 es operado por National Oceanic and Atmospheric Administration. La organización tiene su sede en United States. Puedes ver todos los rangos de IP y los ASNs relacionados en la página de la organización.

¿En qué país está registrado AS3477?

AS3477 está registrado en United States. Esto indica dónde tiene su sede el operador de red, aunque las direcciones IP que anuncia pueden servir a usuarios a nivel global.

Última actualización: 2026-07-31 03:25:34 UTC
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