Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS42908

Announcement observedRIPE NCC

CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s. · CZ-NORDICTELECOMREGIONAL

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/3/2026, 16:09:32Snapshot expired

View network topology RDAP registration

ASN: AS42908
Registration country: Czechia
Name: CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s.
Abbreviation: CZ-NORDICTELECOMREGIONAL
Registration date: 5/9/2007, 09:21:42
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
109.108.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
176.102.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
178.17.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
185.108.60.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
185.157.240.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
185.78.12.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
185.82.236.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
188.119.96.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
193.107.252.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
193.42.128.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
213.155.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
213.19.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
213.250.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
217.170.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
217.196.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
217.197.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
31.10.56.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
45.159.116.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
46.183.56.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
46.231.72.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
5.102.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
77.95.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
78.136.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
80.243.236.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
80.251.240.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
80.78.136.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
80.79.0.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
80.87.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
80.90.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
88.81.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
91.187.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
92.61.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
93.92.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
93.93.32.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record
94.241.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/10/2026, 00:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CZ-NORDICTELECOMREGIONAL O2 Czech Republic, a.s.
RIR: RIPE NCC
Registration country: Czechia
Registration date: 5/9/2007, 09:21:42
Abuse contact: abuse@o2.cz

Snapshot trend

10/3/2026, 16:09:3235 v49 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap