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ASN Lookup Tool
AS204997 FIRSTBYTE-AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS204997
Organisation
FIRST SERVER LIMITED
Name
FIRSTBYTE-AS
Total IPv4 Addresses
10240
Total IPv4 Prefixes
40
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,284 out of 77,440
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2017-11-22
Registration Last Change
2024-03-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS50113
CZ flagNTX Technologies s.r.o.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix45.144.64.0/24
Range From45.144.64.0
Range To45.144.64.255
Prefix45.144.65.0/24
Range From45.144.65.0
Range To45.144.65.255
Prefix45.144.66.0/24
Range From45.144.66.0
Range To45.144.66.255
Prefix45.144.67.0/24
Range From45.144.67.0
Range To45.144.67.255
Prefix46.17.104.0/24
Range From46.17.104.0
Range To46.17.104.255
Showing 5 of 40
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.