AS/BGP Report -> Czech Republic -> as5610

book Summary for as5610

The Autonomous System (AS) number 5610 is assigned to O2 Czech Republic, a.s.. AS5610 is assigned on 1996-04-25 by the Regional Internet Registry ripe. The country of registration is Czech Republic. At least 6,621 domains are hosted on AS5610. Examples of domains are nova.cz and chmi.cz. At least 125 name servers are hosted on AS5610. Examples of name servers are ns2.tel.cz and dns.iol.cz. There are 101 IPv4 prefixes announced by AS5610. Examples of prefixes are and There are 4 IPv6 prefixes announced by AS5610. Examples of prefixes are 2001:41d8::/32 and 2a00:1028::/29.

book General Information

AS number5610 (AS5610 / ASN5610)
OrganizationO2 Czech Republic, a.s.
CountryCzech Republic (CZ) cz flag
Allocation date1996-04-25 by RIPE
Number of IPv4 addresses1,548,032
ASRank (based on number of IPs)262
Number of IP prefixes101 (IPv4) 4 (IPv6)
AS has bogon prefixesNo
Number of peers24 (IPv4) 20 (IPv6)

trending_up Hosting Summary

Number of domains hosted6,621
Number of adult domains hosted1
Number of name servers hosted125
Number of SPAM hosts hosted102
Number of open proxies hosted6
Number of mail servers hosted3,028
Number of IDN domains hosted0
Number of domains in Alexa top million45

import_export IP Prefixes and Peers

2001:41d8::/32CZ cz flagO2 Czech Republic, a.s.
2a00:1028::/29CZ cz flagO2 Czech Republic, a.s.
2a00:1028::/32CZ cz flagO2 Czech Republic, a.s.
2a02:9b8::/31CZ cz flagNej.cz s.r.o.

Number of prefixes and peers for the last 360 days.


dns Hosting Details

timeline History Graphs

Number of domains, mail and name server hosted in the past on this AS.

Hosting history of domains break down by Top Level Domain (TLD) category.

AS Ranking history based on number of IPv4 addresses.


business Whois Information

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flag Country Information

CountryCzech Republic cz flag
Area78,866 km²
Map of country cz

announcement About this Report

The AS/BGP Report is calculated for every allocated AS number. The report is updated on a weekly basis, last updated on 2023-01-22.

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