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AS42908

O2 Czech Republic, a.s.

AS42908 is O2 Czech Republic, a.s. (nordictelecom.cz). It announces 183,296 IPv4 addresses in 35 prefixes, and 9 IPv6 prefixes.

Czechia· RIPE· allocated 2007-05-09· isp

183,296
IPv4 addresses announced
35
IPv4 prefixes
9
IPv6 prefixes
100.00%
of its routes RPKI-valid
183,296
of its IPv4 geolocated
1
country

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. Czechia183,296 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
CZ-NORDICTELECOMREGIONAL
name
O2 Czech Republic, a.s.
org
ORG-STaN1-RIPE
org name
O2 Czech Republic, a.s.
org address
Za Brumlovkou 266/2, 140 22, Praha 4 - Michle, CZECH REPUBLIC
org country
CZ
country
CZ
source
ripe
status
ASSIGNED
created
2007-05-09
updated
2025-04-01
descr
ORIGINAL AS CZ-NORDICTELECOMREGIONAL
remarks
# Peering (Exchange) / # Transit O2 NIX CDT / # DAT / # OXID / # Fortech / # Mitranet / # Baja / # Zenit / # Omegatech / # KeyNet / # FofrNet / # Customers
maintainer
RIPE-NCC-END-MNT|AS5610-MTN
abuse name
Abuse-C Role
abuse email
abuse@o2.cz
abuse kind
role

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

35 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
5.102.48.0/20Czechiavalid172026-10-02
31.10.56.0/21Czechiavalid172026-10-02
45.159.116.0/22Czechiavalid172026-10-02
46.183.56.0/21Czechiavalid172026-10-02
46.231.72.0/21Czechiavalid172026-10-02
77.95.192.0/21Czechiavalid172026-10-02
78.136.128.0/18Czechiavalid172026-10-02
80.78.136.0/22Czechiavalid172026-10-02
80.79.0.0/22Czechiavalid172026-10-02
80.87.176.0/20Czechiavalid172026-10-02
80.90.128.0/20Czechiavalid172026-10-02
80.243.236.0/22Czechiavalid172026-10-02
80.251.240.0/20Czechiavalid172026-10-02
88.81.64.0/19Czechiavalid172026-10-02
91.187.32.0/19Czechiavalid172026-10-02
92.61.80.0/20Czechiavalid172026-10-02
93.92.48.0/21Czechiavalid172026-10-02
93.93.32.0/21Czechiavalid172026-10-02
94.241.64.0/18Czechiavalid172026-10-02
109.108.96.0/19Czechiavalid172026-10-02
176.102.128.0/19Czechiavalid172026-10-02
178.17.80.0/20Czechiavalid172026-10-02
185.78.12.0/22Czechiavalid172026-10-02
185.82.236.0/22Czechiavalid172026-10-02
185.108.60.0/22Czechiavalid172026-10-02
185.157.240.0/22Czechiavalid172026-10-02
188.119.96.0/22Czechiavalid172026-10-02
193.42.128.0/22Czechiavalid172026-10-02
193.107.252.0/22Czechiavalid172026-10-02
213.19.0.0/17Czechiavalid172026-10-02
213.155.32.0/19Czechiavalid172026-10-02
213.250.192.0/18Czechiavalid172026-10-02
217.170.96.0/20Czechiavalid172026-10-02
217.196.112.0/20Czechiavalid172026-10-02
217.197.144.0/20Czechiavalid172026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

9 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2a00:e4c0::/32Czechiavalid202026-10-02
2a01:9f40::/29Czechiavalid202026-10-02
2a02:2428::/32Czechiavalid202026-10-02
2a02:2588::/29Czechiavalid202026-10-02
2a03:1600::/32Czechiavalid202026-10-02
2a03:7a00::/32Czechiavalid202026-10-02
2a03:a820::/32Czechiavalid202026-10-02
2a07:cc80::/29Czechiavalid202026-10-02
2a0c:8b40::/29Czechiavalid202026-10-02
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