AS200454 Tomas Oliveira Valente Leite de Castro

General Info - AS200454

Tomas Oliveira Valente Leite de Castro

Portugal

castrotelecom.net

512

5,260,036,241,143,250,439,634,944,000

IP Address Ranges

Netblock Number of IPs   
23.147.168.0/24 256
131.143.87.0/24 256
Netblock Number of IPs   
2602:faa5::/37 2,475,880,078,570,760,549,798,248,448
2602:faa5:800::/38 1,237,940,039,285,380,274,899,124,224
2602:faa5:c00::/39 618,970,019,642,690,137,449,562,112
2602:faa5:e00::/40 309,485,009,821,345,068,724,781,056
2602:faa5:f00::/48 1,208,925,819,614,629,174,706,176
2602:faa5:f02::/47 2,417,851,639,229,258,349,412,352
2602:faa5:f05::/48 1,208,925,819,614,629,174,706,176
2602:faa5:f06::/47 2,417,851,639,229,258,349,412,352
2602:faa5:f08::/45 9,671,406,556,917,033,397,649,408
2602:faa5:f10::/44 19,342,813,113,834,066,795,298,816
2602:faa5:f20::/43 38,685,626,227,668,133,590,597,632
2602:faa5:f40::/42 77,371,252,455,336,267,181,195,264
2602:faa5:f80::/41 154,742,504,910,672,534,362,390,528
2a0a:6040:aa00::/40 309,485,009,821,345,068,724,781,056
2a0f:b241:10::/48 1,208,925,819,614,629,174,706,176

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What is an Autonomous System (AS)?

An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.

autonomous system

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