Prefixes Originated
67 IPv4, 5 IPv6
Addresses Originated
6025 /24's of IPv4
720897 /48's of IPv6
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Prefix |
Description |
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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5.23.39.0/24 |
Gi Group Holding S.p.A |
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37.188.128.0/17 |
O2 Czech Republic, a.s. |
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80.188.0.0/16 |
O2 Czech Republic, a.s. |
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80.188.0.0/17 |
O2 Czech Republic, a.s. |
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80.188.40.0/24 |
O2 Czech Republic, a.s. |
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80.188.128.0/17 |
O2 Czech Republic, a.s. |
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80.188.222.0/24 |
O2 Czech Republic, a.s. |
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81.90.160.0/20 |
O2 Czech Republic, a.s. |
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81.90.168.0/24 |
Elsat spol. s r.o. |
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81.90.168.0/21 |
O2 Czech Republic, a.s. |
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81.90.170.0/24 |
O2 Czech Republic, a.s. |
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81.90.173.0/24 |
O2 Czech Republic, a.s. |
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83.69.32.0/19 |
O2 Czech Republic, a.s. |
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83.208.0.0/16 |
O2 Czech Republic, a.s. |
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83.208.0.0/18 |
O2 Czech Republic, a.s. |
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83.208.64.0/18 |
O2 Czech Republic, a.s. |
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83.208.128.0/19 |
O2 Czech Republic, a.s. |
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83.208.220.0/22 |
O2 Czech Republic, a.s. |
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85.70.0.0/15 |
O2 Czech Republic, a.s. |
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85.70.0.0/16 |
O2 Czech Republic, a.s. |
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85.70.0.0/17 |
O2 Czech Republic, a.s. |
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85.70.128.0/17 |
O2 Czech Republic, a.s. |
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85.71.0.0/16 |
O2 Czech Republic, a.s. |
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85.71.224.0/19 |
O2 Czech Republic, a.s. |
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85.160.0.0/15 |
O2 Czech Republic, a.s. |
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85.193.0.0/18 |
O2 Czech Republic, a.s. |
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88.83.160.0/19 |
O2 Czech Republic, a.s. |
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88.83.175.0/24 |
O2 Czech Republic, a.s. |
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88.100.0.0/15 |
O2 Czech Republic, a.s. |
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88.100.0.0/14 |
O2 Czech Republic, a.s. |
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88.102.0.0/16 |
O2 Czech Republic, a.s. |
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90.176.32.0/19 |
O2 Czech Republic, a.s. |
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90.176.64.0/18 |
O2 Czech Republic, a.s. |
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90.176.128.0/17 |
O2 Czech Republic, a.s. |
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90.176.170.0/24 |
XDSL NETWORK-ADSL |
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90.177.0.0/16 |
O2 Czech Republic, a.s. |
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90.178.0.0/15 |
O2 Czech Republic, a.s. |
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90.180.0.0/14 |
O2 Czech Republic, a.s. |
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90.181.0.0/16 |
O2 Czech Republic, a.s. |
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90.182.0.0/16 |
O2 Czech Republic, a.s. |
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90.182.108.0/24 |
O2 Czech Republic, a.s. |
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90.183.0.0/16 |
O2 Czech Republic, a.s. |
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91.191.64.0/18 |
CETIN Networks, s.r.o. |
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91.193.132.0/22 |
Burza cennych papiru Praha, a.s. |
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91.213.10.0/24 |
CGI IT Czech Republic s.r.o. |
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91.232.82.0/24 |
ABIS Czech, a.s. |
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92.243.192.0/19 |
O2 Czech Republic, a.s. |
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109.80.0.0/15 |
O2 Czech Republic, a.s. |
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109.81.112.0/20 |
- |
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109.81.160.0/20 |
- |
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160.218.0.0/16 |
O2 Czech Republic, a.s. |
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161.195.144.0/24 |
Aramark Services, Inc. |
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185.61.228.0/22 |
O2 Czech Republic, a.s. |
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185.143.112.0/22 |
K-net Technical International Group, s.r.o. |
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193.17.13.0/24 |
Enterprise Services France SAS |
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193.84.12.0/22 |
Frenstat p.R. |
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193.84.12.0/23 |
Frenstat p.R. |
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193.84.14.0/23 |
Frenstat p.R. |
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194.50.248.0/23 |
Banka CREDITAS a.s |
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194.165.47.0/24 |
Ing. Jiri Orsag, CSc. |
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194.228.0.0/16 |
O2 Czech Republic, a.s. |
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194.228.0.0/17 |
O2 Czech Republic, a.s. |
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194.228.72.0/22 |
O2 Czech Republic, a.s. |
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194.228.128.0/17 |
O2 Czech Republic, a.s. |
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195.5.186.0/24 |
Agrofert JSC |
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217.117.208.0/20 |
O2 Czech Republic, a.s. |
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217.194.160.0/20 |
O2 Czech Republic, a.s. |
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2001:67c:dd4::/48 |
ITIXO s.r.o. |
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2001:41d8::/32 |
O2 Czech Republic, a.s. |
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2a00:1028::/32 |
O2 Czech Republic, a.s. |
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2a00:1028::/29 |
O2 Czech Republic, a.s. |
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2a02:9b8::/31 |
O2 Czech Republic, a.s. |
aut-num: AS5610
as-name: O2-CZECH-REPUBLIC
remarks: Za Brumlovkou 2
remarks: Prague 4
remarks: Czech Republic
remarks: ==================================================
remarks: in case of routing or peering problem
remarks: please contact router@o2.cz
remarks: Abuse contact abuse@o2.cz
remarks: ==================================================
remarks: ================== UP-STREAM PROVIDERS ==================
remarks: =
remarks: == UPSTREAM PROVIDER - Telia ==
import: from AS1299 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
export: to AS1299 announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: =
remarks: == UPSTREAM PROVIDER - Cgent ==
import: from AS174 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
export: to AS174 announce AS-CTIOL AND {194.228.8.0/23} AND NOT {0.0.0.0/0};
remarks: =
remarks: ============ IPv6 UP-STREAM PROVIDERS ============
remarks: == UPSTREAM PROVIDER - Telia ==
remarks: =
mp-import: afi ipv6.unicast from AS1299 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
mp-export: afi ipv6.unicast to AS1299 2001:2000:3080:2460::1 at 2001:2000:3080:2460::2 announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: =
remarks: == UPSTREAM PROVIDER - Cogent ==
remarks: =
mp-import: afi ipv6.unicast from AS174 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
mp-export: afi ipv6.unicast to AS174 2001:2000:3080:129::1 at 2001:2000:3080:129::2 announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: ========================= NIX PEERING ===================
import: from AS-TO2-NIX-PEER action pref = 100;accept PeerAS
export: to AS-TO2-NIX-PEER announce AS-CTIOL
remarks: =
remarks: ===================== IPv6 NIX PEERING ===============
mp-import: afi ipv6.unicast from AS-TO2-NIX-PEER action pref = 100;accept PeerAS
mp-export: afi ipv6.unicast to AS-TO2-NIX-PEER announce AS-CTIOL
remarks: =
remarks: ========================= NIX SECURE PEERING ===================
import: from AS112 action pref = 100;accept ANY
import: from AS2852 action pref = 100;accept ANY
import: from AS6881 action pref = 100;accept ANY
import: from AS25192 action pref = 100;accept ANY
import: from AS25234 action pref = 100;accept ANY
import: from AS29208 action pref = 100;accept ANY
import: from AS43037 action pref = 100;accept ANY
import: from AS47200 action pref = 100;accept ANY
remarks: =
export: to AS112 announce AS-O2CZSEC
export: to AS2852 announce AS-O2CZSEC
export: to AS6881 announce AS-O2CZSEC
export: to AS25192 announce AS-O2CZSEC
export: to AS25234 announce AS-O2CZSEC
export: to AS29208 announce AS-O2CZSEC
export: to AS43037 announce AS-O2CZSEC
export: to AS47200 announce AS-O2CZSEC
remarks: =
remarks: ===================== IPv6 NIX SECURE PEERING ===============
mp-import: afi ipv6.unicast from AS112 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS2852 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS6881 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS25192 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS25234 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS29208 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS43037 action pref = 100;accept ANY
mp-import: afi ipv6.unicast from AS47200 action pref = 100;accept ANY
remarks: =
mp-export: afi ipv6.unicast to AS112 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS2852 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS6881 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS25192 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS25234 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS29208 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS43037 announce AS-O2CZSEC
mp-export: afi ipv6.unicast to AS47200 announce AS-O2CZSEC
remarks: =
remarks: =
remarks: ============ IPv6 Peering ============
remarks: =
remarks: =
remarks: == Mafra ==
mp-import: afi ipv6.unicast from AS38952 accept AS38952
mp-export: afi ipv6.unicast to AS38952 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == GE Money Bank ==
mp-import: afi ipv6.unicast from AS25238 accept AS25238
mp-export: afi ipv6.unicast to AS25238 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == Internet Home (LOSAN) ==
mp-import: afi ipv6.unicast from AS41824 accept AS41824
mp-export: afi ipv6.unicast to AS41824 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == eHAMnet, s.r.o. ==
mp-import: afi ipv6.unicast from AS44712 accept AS44712
mp-export: afi ipv6.unicast to AS44712 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == Autocont ==
mp-import: afi ipv6.unicast from AS197376 accept AS197376
mp-export: afi ipv6.unicast to AS197376 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == CUZK ==
mp-import: afi ipv6.unicast from AS28892 accept AS28892
mp-export: afi ipv6.unicast to AS28892 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == DataSpring s.r.o. ==
mp-import: afi ipv6.unicast from AS201730 accept AS201730
mp-export: afi ipv6.unicast to AS201730 announce ANY AND NOT {0.0.0.0/0};
remarks: =
remarks: == Prazska plynarenska ==
mp-import: afi ipv6.unicast from AS62102 accept AS62102
mp-export: afi ipv6.unicast to AS62102 announce {0.0.0.0/0};
remarks: =
remarks: == XLNET s.r.o. ==
mp-import: afi ipv6.unicast from AS57560 accept AS57560
mp-export: afi ipv6.unicast to AS57560 announce ANY
remarks: =
remarks: == Jan Ryznar ==
mp-import: afi ipv6.unicast from AS203645 accept AS203645
mp-export: afi ipv6.unicast to AS203645 announce ANY
remarks: =
remarks: == DHL ==
mp-import: afi ipv6.unicast from AS2571 accept AS2571
mp-export: afi ipv6.unicast to AS2571 announce ANY
remarks: =
remarks: == TS Bohemia ==
mp-import: afi ipv6.unicast from AS205724 accept AS205724
mp-export: afi ipv6.unicast to AS205724 announce ANY
remarks: =
remarks: =================== DIRECT PEERING PARTNERS =============
import: from AS24971 accept AS-MASTERCZ-CZNIX
export: to AS24971 announce AS-CTIOL
remarks: =
remarks: == CETIN ==
import: from AS28725 accept AS28725
export: to AS28725 announce ANY
remarks: =
import: from AS39392 accept AS-SUPERNETWORK
export: to AS39392 announce AS-CTIOL
remarks: =
remarks: == Google ==
import: from AS15169 accept AS15169
export: to AS15169 announce AS-CTIOL
mp-import: afi ipv6.unicast from AS15169 accept AS15169
mp-export: afi ipv6.unicast to AS15169 announce AS-CTIOL
remarks: =
remarks: ==== CZECH CUSTOMERS WITH INTERNATIONAL CONNECTIVITY ====
remarks: ========
remarks: IH-LOSAN
import: from AS41824 accept AS-LOSAN
export: to AS41824 announce ANY;
remarks: =
remarks: ==================== CZECH CUSTOMERS ====================
remarks: ========
remarks: Maurice Ward & Co., s.r.o.
import: from AS199059 accept AS199059
export: to AS199059 announce {0.0.0.0/0}
remarks: ========
remarks: ARIBA
import: from AS131306 accept AS131306
export: to AS131306 announce {0.0.0.0/0};
remarks: ========
remarks: G4S Cash Solutions (CZ), a.s.
import: from AS42969 accept AS42969
export: to AS42969 announce {0.0.0.0/0};
remarks: ========
remarks: SYCHROVNET
import: from AS47114 accept AS47114
export: to AS47114 announce {0.0.0.0/0};
import: from AS198813 accept AS198813
export: to AS198813 announce {0.0.0.0/0};
remarks: ========
remarks: Rudolf NET
import: from AS197393 accept AS197393
export: to AS197393 announce {0.0.0.0/0};
remarks: ========
remarks: GE Capital (Czech) Holding
import: from AS25238 accept AS25238
export: to AS25238 announce {0.0.0.0/0} and ANY;
remarks: ========
remarks: MUZO
import: from AS21241 accept AS21241
export: to AS21241 announce ANY;
remarks: ========
remarks: Seznam
import: from AS43037 accept AS43037
export: to AS43037 announce ANY;
remarks: ========
remarks: DHL
import: from AS2571 action pref = 800; accept AS2571
export: to AS2571 announce ANY;
remarks: ========
remarks: Mafra
import: from AS38952 action pref = 850; accept AS38952
export: to AS38952 announce ANY;
remarks: ========
remarks: VLP
import: from AS50695 action pref = 850; accept AS50695
export: to AS50695 announce ANY AND {0.0.0.0/0};
remarks: ========
remarks: Air Navigation Services of the Czech Republic
import: from AS15380 action pref = 830; accept AS15380
export: to AS15380 announce ANY;
remarks: ========
remarks: GROUP 4 Secure Solutions a.s
import: from AS25321 action pref = 830; accept AS25321
export: to AS25321 announce {0.0.0.0/0};
remarks: ========
remarks: GE Capital (Czech) Holdings
import: from AS25238 action pref = 80; accept AS25238
export: to AS25238 announce ANY;
remarks: ========
remarks: CZ.CTNET Autonomous Sytem
import: from AS20884 action pref = 80; accept AS-CTNET
export: to AS20884 announce ANY;
remarks: ========
remarks: Logica
import: from AS48405 action pref = 80; accept AS48405
export: to AS48405 announce ANY;
remarks: ========
remarks: LUKOIL
import: from AS13105 action pref = 80; accept AS13105
export: to AS13105 announce ANY;
remarks: ========
remarks: INTACTO GAMES a.s.
import: from AS51134 action pref = 80; accept AS51134
export: to AS51134 announce ANY AND {0.0.0.0/0};
remarks: ========
remarks: OMEGA tech s.r.o.
import: from AS196845 action pref = 80; accept AS196845
export: to AS196845 announce ANY;
remarks: ========
remarks: FDLNet
import: from AS198002 action pref = 850; accept AS198002
export: to AS198002 announce ANY;
remarks: ========
remarks: Autocont
import: from AS197376 action pref = 850; accept AS197376
export: to AS197376 announce ANY;
remarks: ========
remarks: BAJA Group s.r.o.
import: from AS57564 action pref = 850; accept AS57564
export: to AS57564 announce ANY;
remarks: ========
remarks: Cesky urad zememericky a katastralni
import: from AS28892 action pref = 850; accept AS28892
export: to AS28892 announce ANY;
remarks: ========
remarks: VITKOVICE IT SOLUTIONS a.s.
import: from AS56973 action pref = 850; accept AS56973
export: to AS56973 announce {0.0.0.0/0};
remarks: ========
remarks: Monet
import: from AS49580 action pref = 850; accept AS49580
export: to AS49580 announce ANY;
remarks: ========
remarks: Hela PC
import: from AS197879 action pref = 850; accept AS197879
export: to AS197879 announce ANY;
remarks: ========
remarks: Ceskomoravska rozvojova a zarucni banka
import: from AS56891 action pref = 850; accept AS56891
export: to AS56891 announce {0.0.0.0/0};
remarks: ========
remarks: ING Bank
import: from AS21205 action pref = 850; accept AS21205
export: to AS21205 announce ANY;
remarks: ========
remarks: INTERNETHOME (Mirovka.net)
import: from AS56442 action pref = 850; accept AS56442
export: to AS56442 announce {0.0.0.0/0};
remarks: ========
remarks: Martin Vicenik
import: from AS34955 action pref = 850; accept AS34955
export: to AS34955 announce ANY;
remarks: ========
remarks: ING POJISTOVNA
import: from AS197353 action pref = 850; accept AS197353
export: to AS197353 announce ANY;
remarks: ========
remarks: CCS Ceska spolecnost pro platebni karty s.r.o
import: from AS198103 action pref = 850; accept AS198103
export: to AS198103 announce ANY;
remarks: ========
remarks: SYCHROVNET
import: from AS47114 action pref = 850; accept AS47114
export: to AS47114 announce {0.0.0.0/0};
remarks: ========
remarks: ALTRON
import: from AS43866 action pref = 850; accept AS43866
export: to AS43866 announce ANY;
remarks: ========
remarks: AVX CZ
import: from AS50975 action pref = 850; accept AS50975
export: to AS50975 announce ANY;
remarks: ========
remarks: K2 connect solution s.r.o.
import: from AS197083 action pref = 850; accept AS197083
export: to AS197083 announce ANY;
remarks: ========
remarks: GOLDWARE CZ, s.r.o.
import: from AS198657 action pref = 850; accept AS198657
export: to AS198657 announce ANY;
remarks: ========
remarks: eHAMnet, s.r.o.
import: from AS44712 action pref = 850; accept AS44712
export: to AS44712 announce ANY;
remarks: ========
remarks: Internethome.
import: from AS51154 action pref = 850; accept AS-IHOLM AND AS57560
export: to AS51154 announce ANY
remarks: ========
remarks: DataSpring s.r.o.
import: from AS201730 action pref = 850; accept AS201730
export: to AS201730 announce ANY
remarks: ========
remarks: Prazska plynarenska
import: from AS62102 action pref = 850; accept AS62102
export: to AS62102 announce {0.0.0.0/0};
remarks: ========
remarks: XLNET s.r.o.
import: from AS57560 action pref = 850; accept AS57560
export: to AS57560 announce ANY
remarks: ========
remarks: ON-SEMICONDUCTOR-INC
import: from AS21942 action pref = 800; accept AS21942
export: to AS21942 announce ANY;
remarks: ========
remarks: Komercni banka, a. s.
import: from AS201163 action pref = 800; accept AS201163
export: to AS201163 announce ANY;
remarks: ========
remarks: FIO banka, a. s.
import: from AS62083 action pref = 800; accept AS62083
export: to AS62083 announce {0.0.0.0/0};
remarks: ========
remarks: AVG - Avast
import: from AS206334 action pref = 800; accept AS206334
export: to AS206334 announce ANY;
remarks: ========
remarks: SAP SE PRG
import: from AS203080 action pref = 800; accept AS203080
export: to AS203080 announce {0.0.0.0/0};
remarks: ========
remarks: TS Bohemia
import: from AS205724 action pref = 800; accept AS205724
export: to AS205724 announce ANY;
remarks: ========
remarks: CSOB
import: from AS205233 action pref = 800; accept AS205233
export: to AS205233 announce ANY;
remarks: ========
remarks: TTC TELEKOMUNIKACE s.r.o.
import: from AS204172 action pref = 800; accept AS204172
export: to AS204172 announce ANY;
remarks: ========
remarks: MSIC-AS
import: from AS206683 action pref = 800; accept AS206683
export: to AS206683 announce ANY;
remarks: ========
remarks: ==================== CZECH CUSTOMERS IPv6====================
remarks: == CSOB ==
remarks: =
mp-import: afi ipv6.unicast from AS205233 action pref = 200; accept ANY AND NOT {0.0.0.0/0};
mp-export: afi ipv6.unicast to AS205233 announce AS-CTIOL AND NOT {0.0.0.0/0};
remarks: ==================== END ====================
org: ORG-STaN1-RIPE
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: AS5610-MTN
created: 2002-07-22T13:51:41Z
last-modified: 2024-06-12T11:51:47Z
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
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: 2020-12-16T12:31:56Z
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: 2025-12-22T03:24:21Z UTC
Member of the following AS-SETs
