Prefixes Originated
11 IPv4, 2 IPv6
Addresses Originated
210 /24's of IPv4
589824 /48's of IPv6
If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them
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Prefix |
Description |
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80.78.144.0/20 |
O2 Czech Republic, a.s. |
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88.83.224.0/19 |
O2 Czech Republic, a.s. |
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89.190.40.0/21 |
O2 Czech Republic, a.s. |
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89.190.48.0/20 |
O2 Czech Republic, a.s. |
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109.105.32.0/19 |
O2 Czech Republic, a.s. |
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185.8.188.0/22 |
O2 Czech Republic, a.s. |
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193.17.248.0/22 |
ZEAL s.r.o. |
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195.78.122.0/23 |
ZEAL s.r.o. |
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212.4.128.0/19 |
O2 Czech Republic, a.s. |
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212.96.160.0/19 |
O2 Czech Republic, a.s. |
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213.211.32.0/19 |
O2 Czech Republic, a.s. |
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2001:4ba8::/29 |
O2 Czech Republic, a.s. |
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2a0b:bb41::/32 |
Netstone s.r.o. |
aut-num: AS12570
as-name: ITSELF
descr: Network and internet service provider.
descr: Czech Republic
remarks: ======================= Upstream providers ========================
mp-import: afi any.unicast from AS3257 accept ANY
mp-import: afi any.unicast from AS6939 accept ANY
mp-import: afi any.unicast from AS9002 accept ANY
mp-export: afi any.unicast to AS3257 announce AS-NEJCZ-TRANSIT
mp-export: afi any.unicast to AS6939 announce AS-NEJCZ-TRANSIT
mp-export: afi any.unicast to AS9002 announce AS-NEJCZ-TRANSIT
remarks: ========================= Customers ==========================
mp-import: afi any.unicast from AS12570:AS-CUSTOMERS action pref=900; accept <AS12570:AS-CUSTOMERS+$>
mp-export: afi any.unicast to AS12570:AS-CUSTOMERS announce ANY
remarks: ======================= NIX peerings ==========================
mp-import: from AS-NIXCZ-RSCLIENTS action pref=500; accept ANY
mp-export: to AS-NIXCZ-RSCLIENTS announce AS-NEJCZ-TRANSIT
remarks: = NIX.CZ route server peerings
mp-import: from AS12570:AS-NIX-PEERS action pref=500; accept ANY
mp-export: to AS12570:AS-NIX-PEERS announce AS-CZECHBONE
remarks: = NIX.CZ direct peerings
mp-import: from AS-NIXSK-RSCLIENTS action pref=500; accept ANY
mp-export: to AS-NIXSK-RSCLIENTS announce AS-CZECHBONE
remarks: = NIX.SK route server peerings
remarks: ======================= Direct peerings ==========================
mp-import: afi any.unicast from AS15169 accept AS15169
mp-export: afi any.unicast to AS15169 announce AS-NEJCZ-TRANSIT
remarks: --------------------------------------------------------------------------------------------------------
remarks:
remarks:
org: ORG-STaN1-RIPE
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
remarks: --------------------------------------------------------------------------------------------------------
remarks:
remarks: BGP communities accepted from downstream:
remarks: 1. Blackhole
remarks: 12570:666
remarks:
remarks: --------------------------------------------------------------------------------------------------------
remarks:
remarks: Routing issues and peering requests: noc at itself.cz
remarks:
remarks: --------------------------------------------------------------------------------------------------------
remarks:
remarks: This Autonomous System is present at the following exchanges: NIX-CZ, NIX-SK and SIX-SK.
remarks:
remarks: --------------------------------------------------------------------------------------------------------
remarks:
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS5610-MTN
created: 2002-05-27T13:11:15Z
last-modified: 2024-06-20T15:31:33Z
source: RIPE
remarks: ****************************
remarks: * THIS OBJECT IS MODIFIED
remarks: * Please note that all data that is generally regarded as personal
remarks: * data has been removed from this object.
remarks: * To view the original object, please query the RIPE Database at:
remarks: * http://www.ripe.net/whois
remarks: ****************************
organisation: ORG-STaN1-RIPE
org-name: O2 Czech Republic, a.s.
country: CZ
org-type: LIR
address: Dummy address for ORG-STaN1-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c: AR14410-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: AS5610-MTN
mnt-by: RIPE-NCC-HM-MNT
mnt-by: AS5610-MTN
created: 2004-04-17T11:04:17Z
last-modified: 2026-05-13T07:30:10Z
source: RIPE
remarks: ****************************
remarks: * THIS OBJECT IS MODIFIED
remarks: * Please note that all data that is generally regarded as personal
remarks: * data has been removed from this object.
remarks: * To view the original object, please query the RIPE Database at:
remarks: * http://www.ripe.net/whois
remarks: ****************************
Last Update: 2026-06-01T03:23:44Z UTC
Member of the following AS-SETs
