AS16019 VODAFONE-CZ-AS Vodafone Czech Republic a.s.

VODAFONE-CZ-AS Vodafone Czech Republic a.s. · registered in Czechia

IPv4 addresses1,210,36846 prefixes · 0.039% of announced IPv4

Rank in Czechia#2largest network in CZ by IPv4 space, of 570 · 14.63% of CZ

Rank worldwide#310of 79,396 networks with IPv4

IPv676 x /32 (4,980,737 x /48)13 prefixes

CountryCzechia599 ASNs registered there

Open AS16019 in ASN lookup Look up an IP in this network (31.30.0.1) All networks in Czechia

IPv4 prefixes

All 46 prefixes, in address order.

31.30.0.0/16
31.169.128.0/17
46.135.0.0/16
46.167.192.0/18
46.174.16.0/21
46.183.64.0/21
62.24.64.0/19
62.240.160.0/19
62.245.64.0/18
77.48.0.0/16
78.44.0.0/15
78.102.0.0/16
80.95.96.0/19
81.27.192.0/20
82.142.64.0/18
84.42.128.0/17
84.242.64.0/18
86.49.0.0/16
88.146.128.0/17
89.102.0.0/15
89.176.0.0/15
91.220.122.0/24
91.231.28.0/22
93.90.160.0/20
93.99.0.0/16
94.112.0.0/15
109.107.192.0/19
109.205.240.0/24
141.170.128.0/18
178.77.192.0/18
178.211.147.0/24
178.213.152.0/21
185.13.87.0/24
185.31.36.0/22
185.99.176.0/22
185.168.149.0/24
185.189.4.0/22
185.241.220.0/22
185.243.168.0/22
188.94.232.0/21
188.95.120.0/21
193.84.128.0/23
193.104.172.0/24
213.192.0.0/18
213.220.192.0/18
217.77.160.0/20

IPv6 prefixes

All 13 prefixes.

2001:678:95c::/48
2001:36c0::/32
2a00:11b0::/29
2a00:8e80::/29
2a01:5e0::/32
2a02:8300::/28
2a04:4d40::/29
2a0b:c180::/32
2a0b:d780::/29
2a0c:b180::/29
2a0d:1780::/29
2a10:1d00::/32
2a12:b7c0::/29

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS5610#1 O2-CZECH-REPUBLIC O2 Czech Republic, a.s.1,540,608

AS13036#3 TMOBILE-CZ T-Mobile Czech Republic a.s.992,256

AS2852#4 CESNET2 CESNET z.s.p.o.849,920

AS29208#5 QUANTCOM-AS Quantcom, a.s.265,984

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources