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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 37.188.128.0/17 and 80.188.0.0/16. There are 4 IPv6 prefixes announced by AS5610. Examples of prefixes are 2001:41d8::/32 and 2a00:1028::/29.
book General Information
| AS number | 5610 (AS5610 / ASN5610) |
| Organization | O2 Czech Republic, a.s. |
| Country | Czech Republic (CZ)  |
| Allocation date | 1996-04-25 by RIPE |
| Number of IPv4 addresses | 1,548,032 |
| ASRank (based on number of IPs) | 262 |
| Number of IP prefixes | 101 (IPv4) 4 (IPv6) |
| AS has bogon prefixes | No |
| Number of peers | 24 (IPv4) 20 (IPv6) |
trending_up Hosting Summary
| Number of domains hosted | 6,621 |
| Number of adult domains hosted | 1 |
| Number of name servers hosted | 125 |
| Number of SPAM hosts hosted | 102 |
| Number of open proxies hosted | 6 |
| Number of mail servers hosted | 3,028 |
| Number of IDN domains hosted | 0 |
| Number of domains in Alexa top million | 45 |
import_export IP Prefixes and Peers
| Prefix | Country | Description |
|---|---|---|
| 2001:41d8::/32 | CZ | O2 Czech Republic, a.s. |
| 2a00:1028::/29 | CZ | O2 Czech Republic, a.s. |
| 2a00:1028::/32 | CZ | O2 Czech Republic, a.s. |
| 2a02:9b8::/31 | CZ | Nej.cz s.r.o. |
Number of prefixes and peers for the last 360 days.
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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.
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business Whois Information
flag Country Information
| Country | Czech Republic |
| Capital | Prague |
| Continent | EU |
| Population | 10,476,000 |
| Area | 78,866 km² |
| Currency | CZK |
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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.
The underlying DNS data is updated every 3 weeks, the Whois data is cached for about one month.
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