| Block start | End of block | AS | Block name | Organization | 
| 82.100.0.0 | 82.100.0.3 | AS29208 | Fio-banka | Fio banka, a.s. | 
| 82.100.0.4 | 82.100.0.7 | AS29208 | NYCOM | NYCOM a.s. | 
| 82.100.0.8 | 82.100.0.11 | AS29208 | ZELENA_NET | TECHart system s.r.o. Kourim | 
| 82.100.0.12 | 82.100.0.15 | AS29208 | VSamek | Vladimir Samek | 
| 82.100.0.16 | 82.100.0.19 | AS29208 | IT8 | IT8 – Informacni technologie s.r.o. | 
| 82.100.0.20 | 82.100.0.23 | AS29208 | GTnet | GT net s.r.o. Svatoborska 438, 697 01 Kyjov | 
| 82.100.0.24 | 82.100.0.27 | AS29208 | MO-NEX | MONEX s.r.o. Pribram III | 
| 82.100.0.28 | 82.100.0.31 | AS29208 | GRESHAM-CLARK | GRESHAM & CLARK, s.r.o. | 
| 82.100.0.32 | 82.100.0.35 | AS29208 | MVNET | Martin Louvar Pardubice | 
| 82.100.0.36 | 82.100.0.39 | AS29208 | JEMNICE-CZ | Jemnice OnLine,druzstvo | 
| 82.100.0.40 | 82.100.0.47 | AS29208 | Ocean-Network-Express-CR | Ocean Network Express (Europe) Ltd. Czech Republic Branch – Prague | 
| 82.100.0.48 | 82.100.0.51 | AS29208 | WBHP-Services | WBHP Services s.r.o. | 
| 82.100.0.52 | 82.100.0.55 | AS29208 | Whitesoft | Whitesoft, s.r.o. | 
| 82.100.0.56 | 82.100.0.59 | AS29208 | BC-Argentinska | BC Argentinska s.r.o. | 
| 82.100.0.60 | 82.100.0.63 | AS29208 | TEPEDE-CZ | TEPEDE CZ spol. s r.o. | 
| 82.100.0.64 | 82.100.0.67 | AS29208 | GTnet | GT net s.r.o. Svatoborska 438, 697 01 Kyjov | 
| 82.100.0.68 | 82.100.0.71 | AS29208 | GTnet | GT net s.r.o. Svatoborska 438, 697 01 Kyjov | 
| 82.100.0.72 | 82.100.0.75 | AS29208 | TELE3 | TELE3 s.r.o. | 
| 82.100.0.76 | 82.100.0.79 | AS29208 | MIDGARD-Networks | MIDGARD Networks s.r.o. Brno | 
| 82.100.0.80 | 82.100.0.83 | AS29208 | Miloslav-Pitra | Miloslav Pitra | 
| 82.100.0.84 | 82.100.0.87 | AS29208 | ERCOM-networking | ERCOM networking s.r.o. | 
| 82.100.0.88 | 82.100.0.91 | AS29208 | Magda-Humplikova | Magda Humplikova, Mgr., advokatka | 
| 82.100.0.92 | 82.100.0.95 | AS29208 | Whitesoft | Whitesoft, s.r.o. | 
| 82.100.0.96 | 82.100.0.103 | |||
| 82.100.0.104 | 82.100.0.107 | AS29208 | Host-telecom-com | Host-telecom.com, s.r.o. | 
| 82.100.0.108 | 82.100.0.111 | AS29208 | TGNET-CZ | Dial Telecom, a.s. | 
| 82.100.0.112 | 82.100.0.127 | AS29208 | TGNET-CZ | Dial Telecom, a.s. | 
| 82.100.0.128 | 82.100.0.135 | AS29208 | BRASED-EUROTEXTIL-CZ | BRASED EUROTEXTIL CZ, spol. s r.o. | 
| 82.100.0.136 | 82.100.0.139 | AS29208 | ARISTIA | ARISTIA, spol. s r.o. | 
| 82.100.0.140 | 82.100.0.143 | AS29208 | PVolena | Petr Volena | 
| 82.100.0.144 | 82.100.0.147 | AS29208 | Vlastimil-Stanek | Vlastimil Stanek Revnicov | 
| 82.100.0.148 | 82.100.0.151 | AS29208 | Ocean-Network-Express-CR | Ocean Network Express (Europe) Ltd. Czech Republic Branch – Prague | 
| 82.100.0.152 | 82.100.0.159 | AS29208 | Adamed-CR | Adamed Czech Republic s.r.o. | 
| 82.100.0.160 | 82.100.0.167 | |||
| 82.100.0.168 | 82.100.0.175 | AS29208 | SHabich | Stanislav Habich | 
| 82.100.0.176 | 82.100.0.183 | AS29208 | WIRACOM-CZ | Wiracom s.r.o Rakovnik | 
| 82.100.0.184 | 82.100.0.187 | AS29208 | Revolta | Revolta s.r.o. | 
| 82.100.0.188 | 82.100.0.191 | AS29208 | ERCOM-networking | ERCOM networking s.r.o. | 
| 82.100.0.192 | 82.100.0.195 | AS29208 | GrECo-JLT | GrECo JLT Czech Republic s.r.o. | 
| 82.100.0.196 | 82.100.0.199 | AS29208 | TGNET-CZ | Dial Telecom, a.s. | 
| 82.100.0.200 | 82.100.0.207 | AS29208 | seven-Data-CZ | 7Data CZ, s.r.o. | 
| 82.100.0.208 | 82.100.0.211 | AS29208 | Creative-Max | Creative Max | 
| 82.100.0.212 | 82.100.0.215 | |||
| 82.100.0.216 | 82.100.0.223 | AS29208 | Prague-Retail-Holdings | Prague Retail Holdings a.s. | 
| 82.100.0.224 | 82.100.0.231 | AS29208 | Colonnade-Insurance | Colonnade Insurance S.A., organizacni slozka | 
| 82.100.0.232 | 82.100.0.239 | AS29208 | ALEKS-CZ | ALEKS CZ a.s. | 
| 82.100.0.240 | 82.100.0.247 | AS29208 | MADFINGER-Games | MADFINGER Games, a.s. | 
| 82.100.0.248 | 82.100.0.255 | AS29208 | MAXPROGRES | MAXPROGRES telco, s.r.o. | 
| 82.100.1.0 | 82.100.1.255 | AS29208 | WHITESOFT | WHITESOFT, s.r.o Belehradska 18, Praha 4 | 
| 82.100.2.0 | 82.100.2.255 | AS29208 | PVolena | Petr Volena | 
| 82.100.3.0 | 82.100.4.255 | AS29208 | seven-Data-CZ | 7Data CZ, s.r.o. | 
| 82.100.5.0 | 82.100.5.255 | AS29208 | PESCOM-NET | Petr Slezak – Pescom Praha | 
| 82.100.6.0 | 82.100.6.255 | AS29208 | THINline | THINline interactive s.r.o. | 
| 82.100.7.0 | 82.100.7.255 | AS29208 | NETPR-NET | CZECH SITE a.s. | 
| 82.100.8.0 | 82.100.8.255 | AS29208 | MECOM-CZ | Mecom spol. s r.o. Praha 4 | 
| 82.100.9.0 | 82.100.9.255 | AS29208 | Telmedia | Telmedia, s.r.o. | 
| 82.100.10.0 | 82.100.10.127 | AS29208 | Telmedia | Telmedia, s.r.o. | 
| 82.100.10.128 | 82.100.10.191 | |||
| 82.100.10.192 | 82.100.10.255 | AS29208 | CRDM | Ceska rada deti a mladeze | 
| 82.100.11.0 | 82.100.11.255 | AS29208 | GRAPESC-NET | GRAPE SC, a.s. Praha 1 | 
| 82.100.12.0 | 82.100.14.255 | AS29208 | GRAPESC-NET | GRAPE SC, a.s. Praha 1 | 
| 82.100.15.0 | 82.100.16.255 | AS29208 | GRAPESC-NET | GRAPE SC, a.s. Praha 1 | 
| 82.100.17.0 | 82.100.17.255 | AS29208 | GRAPESC-NET | Alexandr Krista | 
| 82.100.18.0 | 82.100.18.255 | AS29208 | GOLDWARE-CZ | GOLDWARE CZ s.r.o. Nove Mesto nad Metuji | 
| 82.100.19.0 | 82.100.19.255 | AS29208 | OSLAVANY-NET | Oslavany.NET o.s. Oslavany | 
| 82.100.20.0 | 82.100.20.255 | AS29208 | VAHAL | VAHAL, s.r.o. | 
| 82.100.21.0 | 82.100.21.255 | AS29208 | WIRACOM-CZ | Wiracom s.r.o. | 
| 82.100.22.0 | 82.100.23.255 | AS29208 | WIRACOM-CZ | Wiracom s.r.o Rakovnik | 
| 82.100.24.0 | 82.100.25.255 | AS29208 | WIRACOM-CZ | Wiracom s.r.o Rakovnik | 
| 82.100.26.0 | 82.100.26.255 | AS29208 | BEST-NET-1 | BEST-NET ROUTE HK, Trebechovice, Horice – Czech | 
| 82.100.27.0 | 82.100.27.255 | AS29208 | redikom | Redikom s.r.o Praha 2 | 
| 82.100.28.0 | 82.100.28.255 | AS29208 | Windyghoul | Windyghoul s.r.o. | 
| 82.100.29.0 | 82.100.29.127 | AS29208 | COMA | Ing. Leos Janouch (COMA) | 
| 82.100.29.128 | 82.100.29.255 | AS29208 | COMA | Ing. Leos Janouch (COMA) | 
| 82.100.30.0 | 82.100.30.255 | AS29208 | DDS-Prostejov | Erkor s.r.o. Olomouc | 
| 82.100.31.0 | 82.100.31.63 | AS29208 | WIFCOM | Wifcom, a.s. Milicin | 
| 82.100.31.64 | 82.100.31.127 | AS29208 | NETPR-NET | CZECH SITE a.s. | 
| 82.100.31.128 | 82.100.31.191 | AS29208 | MVNET | Martin Louvar Pardubice | 
| 82.100.31.192 | 82.100.31.199 | AS29208 | Nuovo-Step | Nuovo Step s.r.o. | 
| 82.100.31.200 | 82.100.31.207 | AS29208 | Pineal | Pineal s.r.o. | 
| 82.100.31.208 | 82.100.31.223 | AS29208 | DaLuNET | DaLuNET s.r.o. | 
| 82.100.31.224 | 82.100.31.231 | AS29208 | PRO-ZETA | PRO-ZETA Praha spol. s r.o. | 
| 82.100.31.232 | 82.100.31.239 | AS29208 | Exova-Metech | Exova Metech s.r.o. | 
| 82.100.31.240 | 82.100.31.255 | AS29208 | Exova-Metech | Exova Metech s.r.o. | 
| 82.100.32.0 | 82.100.32.255 | AS29208 | Sedlcany_DATin | Ing. Milos Hosinsky, DATin Sedlcany | 
| 82.100.33.0 | 82.100.33.255 | AS29208 | BEST-NET | BEST-NET s.r.o. | 
| 82.100.34.0 | 82.100.35.255 | AS29208 | redikom | Redikom s.r.o Praha 2 | 
| 82.100.36.0 | 82.100.36.255 | |||
| 82.100.37.0 | 82.100.37.255 | AS29208 | TIKWI | TIKWI s.r.o. | 
| 82.100.38.0 | 82.100.38.255 | AS29208 | ALBERON-CZ | ALBERON Letohrad, s.r.o. Letohrad | 
| 82.100.39.0 | 82.100.39.255 | AS29208 | Gigant | Gigant GROUP s.r.o. | 
| 82.100.40.0 | 82.100.40.31 | AS29208 | mediaport-solutions | mediaport solutions s.r.o. | 
| 82.100.40.32 | 82.100.40.63 | AS29208 | UNISYX | UNISYX, s.r.o. | 
| 82.100.40.64 | 82.100.40.95 | AS29208 | mediaport-solutions | mediaport solutions s.r.o. | 
| 82.100.40.96 | 82.100.40.127 | AS29208 | Keriani | Keriani, a.s. | 
| 82.100.40.128 | 82.100.40.255 | AS29208 | MEGATRONIC | Megatronic s.r.o. 66491 Ivancice | 
| 82.100.41.0 | 82.100.41.255 | AS29208 | CSCCZ-NET | CSC Computer Sciences s.r.o. Prague | 
| 82.100.42.0 | 82.100.42.255 | AS29208 | REGCZNET | RWE Energy Customer Services CZ, a.s. Sokolska 1882/4, Praha 2, 120 00 | 
| 82.100.43.0 | 82.100.43.255 | AS29208 | TIKWI | TIKWI s.r.o. | 
| 82.100.44.0 | 82.100.44.255 | AS29208 | seven-Data-CZ | 7Data CZ, s.r.o. | 
| 82.100.45.0 | 82.100.45.255 | AS29208 | ALTNET-CZ | Altnet s.r.o. Slany | 
| 82.100.46.0 | 82.100.46.255 | AS29208 | Qualinet | QUALI s.r.o | 
| 82.100.47.0 | 82.100.47.255 | AS29208 | TECHart-systems | TECHart systems s.r.o. | 
| 82.100.48.0 | 82.100.49.255 | AS29208 | ERCOM-networking | ERCOM networking s.r.o. | 
| 82.100.50.0 | 82.100.51.255 | AS29208 | GRAPESC-NET | GRAPE SC, a.s. Praha 1 | 
| 82.100.52.0 | 82.100.52.255 | AS29208 | GRAPESC-NET | GRAPE SC, a.s. Praha 1 | 
| 82.100.53.0 | 82.100.53.255 | AS29208 | LUBOS-FIALA | Sedlec-Prcice | 
| 82.100.54.0 | 82.100.54.255 | AS29208 | LUBOS-FIALA | Sedlec-Prcice | 
| 82.100.55.0 | 82.100.55.255 | AS29208 | IN24-CZ | O.S.P.I. Liberec | 
| 82.100.56.0 | 82.100.56.255 | AS29208 | SPWeb | SPWeb s.r.o. | 
| 82.100.57.0 | 82.100.57.255 | AS29208 | WIFCOM | Wifcom, a.s. Milicin | 
| 82.100.58.0 | 82.100.58.31 | AS29208 | SPOJENET-20150512 | Netblock assigned to Dial Telecom customer spoje.net | 
| 82.100.58.32 | 82.100.58.63 | AS29208 | TISCOM | TISCOM s.r.o. | 
| 82.100.58.64 | 82.100.58.79 | AS29208 | Vlastimil-Stanek | Vlastimil Stanek | 
| 82.100.58.80 | 82.100.58.87 | AS29208 | Diebold-Nixdorf | Diebold Nixdorf s.r.o. | 
| 82.100.58.88 | 82.100.58.95 | |||
| 82.100.58.96 | 82.100.58.127 | AS29208 | NA-NET | Rudolf Sedlak Namest nad Oslavou | 
| 82.100.58.128 | 82.100.58.255 | |||
| 82.100.59.0 | 82.100.59.255 | AS29208 | IBS | IBS, s.r.o. Vracov | 
| 82.100.60.0 | 82.100.60.255 | AS29208 | IN24-CZ | O.S.P.I. Liberec | 
| 82.100.61.0 | 82.100.61.127 | AS29208 | MKRUMLOV-NET | Roman Marik Hosteradice 56 | 
| 82.100.61.128 | 82.100.61.159 | AS29208 | Net24-CZ | Net24 s.r.o. Rychnov nad Kneznou | 
| 82.100.61.160 | 82.100.61.191 | AS29208 | NA-NET | Rudolf Sedlak Namest nad Oslavou | 
| 82.100.61.192 | 82.100.61.255 | AS29208 | GTnet | GT net s.r.o. Svatoborska 438, 697 01 Kyjov | 
| 82.100.62.0 | 82.100.62.127 | AS29208 | CPS | Cesky podnikatelsky servis, s.r.o. Praha 8 | 
| 82.100.62.128 | 82.100.62.191 | |||
| 82.100.62.192 | 82.100.62.199 | AS29208 | MS-Praha1 | Metropolitni sit Praha 1 z.s.p.o. | 
| 82.100.62.200 | 82.100.62.207 | AS29208 | Sirowa-Czech | Sirowa Czech s.r.o. | 
| 82.100.62.208 | 82.100.62.223 | |||
| 82.100.62.224 | 82.100.62.255 | AS29208 | SurGal-Clinic | SurGal Clinic s.r.o. | 
| 82.100.63.0 | 82.100.63.63 | AS29208 | CZFREE-RA-NET | Martin Arvay Rakovnik | 
| 82.100.63.64 | 82.100.63.95 | AS29208 | FNZ-UK | FNZ (UK) Ltd – Czech Branch, odstepny zavod | 
| 82.100.63.96 | 82.100.63.111 | AS29208 | Oslavany-NET | Oslavany.NET o.s. Oslavany | 
| 82.100.63.112 | 82.100.63.127 | AS29208 | Vlastimil-Stanek | Vlastimil Stanek | 
| 82.100.63.128 | 82.100.63.143 | AS29208 | ORIFLAME | ORIFLAME SOFTWARE s.r.o. | 
| 82.100.63.144 | 82.100.63.151 | AS29208 | UNIjobs-cz | UNIjobs.cz s.r.o. | 
| 82.100.63.152 | 82.100.63.159 | AS29208 | TECHart-systems | TECHart systems s.r.o. | 
| 82.100.63.160 | 82.100.63.175 | AS29208 | VKV-HORAK | VKV HORAK s.r.o. | 
| 82.100.63.176 | 82.100.63.191 | AS29208 | TECHart-systems | TECHart systems s.r.o. | 
| 82.100.63.192 | 82.100.63.207 | AS29208 | Oslavany-NET | Oslavany.NET o.s. Oslavany | 
| 82.100.63.208 | 82.100.63.211 | |||
| 82.100.63.212 | 82.100.63.215 | AS29208 | DDeM | DDeM, s.r.o. | 
| 82.100.63.216 | 82.100.63.219 | AS29208 | Indigo-Infra-CZ | Indigo Infra CZ a.s. | 
| 82.100.63.220 | 82.100.63.223 | AS29208 | GARSON-GUIT | GARSON GUIT, s.r.o. | 
| 82.100.63.224 | 82.100.63.239 | |||
| 82.100.63.240 | 82.100.63.247 | AS29208 | Ostsachsische-Sparkasse-Dresden | Ostsachsische Sparkasse Dresden | 
| 82.100.63.248 | 82.100.63.255 | AS29208 | ZARA-CR | ZARA CESKA REPUBLIKA s.r.o. |