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

AS16019 announces 46 IPv4 prefixes covering 1,210,368 addresses and 13 IPv6 prefixes.

About this network

Over a million addresses, and every single block still named after the mobile brand that was bought.

What it's used for

• A national mobile and fixed operator. Forty-six IPv4 prefixes and thirteen IPv6 prefixes announced from Czechia, one million two hundred and ten thousand three hundred and sixty-eight addresses, across one hundred and fifteen observed BGP neighbours.

Notable

• Every netname is the country code, the absorbed mobile brand, and a date. Not one block carries the current brand.
• The second registrant on all of them is that same old brand followed by three letters for a local internet registry, so the registry membership itself is still filed under it.
• The dates run across seven years, and the largest blocks are the oldest: the operator was handed very large allocations early and kept adding.
• All eighteen queried addresses answered. Most are two letters, the four octets hyphenated, and a subdomain for the backbone; one is marked as fixed instead, and one sits on a different subdomain of the same domain.
• Customer addresses use a separate form entirely: a contraction for customer, sometimes with a city code, and only the last two numbers of the address.

Interesting

• Reverse names built from only half the address work because the other half is implied by the zone. It saves nothing operationally and quietly makes the names ambiguous when read out of context.
• Thirteen separate IPv6 prefixes rather than one is the mark of a group that has absorbed several registry memberships and never consolidated them.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 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
• 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

Upstream networks

• AS1273 IDDQD-AS
• AS6939 Hurricane Electric LLC
• AS8218 Zayo Infrastructure France SA
• AS24482 SG.GS
• AS33891 Core-Backbone GmbH
• AS47232 ISP Alliance a.s.
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS6461 Zayo Bandwidth
• AS47200 NIX.CZ z.s.p.o.
• AS5610 O2 Czech Republic, a.s.

Downstream networks

• AS204666 Jiri Tlapak
• AS201730 Cloud4com s.r.o.
• AS35592 Coolhousing s.r.o.
• AS204383 SPCom s.r.o.
• AS2571 DHL Information Services (Europe) s.r.o
• AS52154 mjanik.net s.r.o.
• AS41030 Jaroslav Novotny
• AS43773 PE Konstantin Vladimirovich Kravchenko
• AS47269 Core4Net, s.r.o.
• AS34040 TTNET s.r.o.
• AS209055 W.A.G. PAYMENT SOLUTIONS, A.S.
• AS205619 Jiri Chalabala
• AS57188 ORKA systems, s.r.o.
• AS52115 JaroNet-services s.r.o.
• AS61110 Sprava informacnich technologii mesta Plzne, p.o.
• AS204165 Cznet s.r.o.
• AS197451 Brno University of Technology
• AS34049 H-data, spol. s r.o.
• AS215704 NGN CZ s.r.o.
• AS47317 Web4ce, s.r.o.
• AS211774 ign.cz internet, s.r.o.
• AS57077 AB-NET s.r.o.
• AS56821 KnVnet services s.r.o.
• AS49985 IP4ISP z.s.p.o
• AS205863 Stepan Pokorny

Adjacent networks

• AS1273 IDDQD-AS
• AS6939 Hurricane Electric LLC
• AS204666 Jiri Tlapak
• AS201730 Cloud4com s.r.o.
• AS35592 Coolhousing s.r.o.
• AS204383 SPCom s.r.o.
• AS2571 DHL Information Services (Europe) s.r.o
• AS197451 Brno University of Technology
• AS52154 mjanik.net s.r.o.
• AS47232 ISP Alliance a.s.
• AS33891 Core-Backbone GmbH
• AS43773 PE Konstantin Vladimirovich Kravchenko
• AS41030 Jaroslav Novotny
• AS24482 SG.GS
• AS8218 Zayo Infrastructure France SA
• AS47269 Core4Net, s.r.o.
• AS6461 Zayo Bandwidth
• AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
• AS34040 TTNET s.r.o.
• AS209055 W.A.G. PAYMENT SOLUTIONS, A.S.
• AS205619 Jiri Chalabala
• AS34049 H-data, spol. s r.o.
• AS57188 ORKA systems, s.r.o.
• AS52115 JaroNet-services s.r.o.
• AS61110 Sprava informacnich technologii mesta Plzne, p.o.

Routing security

• RPKI: 107 valid, 0 invalid and 0 not-found announcements; 112 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 108 route objects.
• Listed in as-sets: AS-43413_NT-NIX, AS-CESNET-NIX-PEERS, AS-ECRCCUSTDE, AS-TELENORCZIX, AS-TO2-NIX-PEER, AS-TRANSCZ, AS-VODAFONE-CZ, AS-VODAFONE-CZ-V6, AS12570:AS-NIX-PEERS, AS24971:AS-MAI-NIX-PEER, AS42000:AS-NIXCZ-PEERINGS, AS8251:AS-UPSTREAMS.

Internet exchanges

• NIX.CZ - Neutral Internet eXchange for the Czech Republic — Prague, Czech Republic