AS57728 — HELIOS MB
AS Name: CEZNET-AS
Organization: ORG-TBS13-RIPE
Registry: RIPE
⚠️ CIRCL BGP Security Rank: 0.0202% (position 8130)
aut-num: AS57728
as-name: CEZNET-AS
org: ORG-TBS13-RIPE
remarks: ---- NIX.CZ ----
import: from AS47200 accept ANY
export: to AS47200 announce AS-SET-HELIOSMB
remarks: ---- PEERING.CZ ----
import: from AS61195 accept ANY
export: to AS61195 announce AS-SET-HELIOSMB
remarks: ---- Telia ----
import: from AS1299 accept ANY
export: to AS1299 announce AS-SET-HELIOSMB
remarks: ---- TPS ----
import: from AS39791 accept ANY
export: to AS39791 announce AS-SET-HELIOSMB
remarks: ---- Superhosting.cz ----
import: from AS39392 accept ANY
export: to AS39392 announce AS-SET-HELIOSMB
remarks: ---- Cerberos ----
import: from AS42477 accept ANY
export: to AS42477 announce AS-SET-HELIOSMB
remarks: ---- 4NET ----
import: from AS198346 accept AS198346
export: to AS198346 announce AS-SET-HELIOSMB
remarks: ---- CSC ----
import: from AS62298 accept AS62298
export: to AS62298 announce AS-SET-HELIOSMB
remarks: ---- UPC ----
import: from AS6830 accept ANY
export: to AS6830 announce AS57728
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CEZNET-MNT
created: 2019-10-21T06:50:54Z
last-modified: 2025-09-26T09:55:20Z
source: RIPE
remarks: ****************************
remarks: * THIS OBJECT IS MODIFIED
remarks: * Please note that all data that is generally regarded as personal
remarks: * data has been removed from this object.
remarks: * To view the original object, please query the RIPE Database at:
remarks: * http://www.ripe.net/whois
remarks: ****************************
Direct Membership
Macros that directly list AS57728 as a member:
AS-SET-HELIOSMB(3 members)
AS-MNOGOBYTE(13 members)
Expanded Membership
All macros containing AS57728 (directly or via nested macros): 336
Show 100 macros
AS-SET-HELIOSMB(3 ASNs)
AS-CASABLANCA-TRANSIT(61 ASNs)
AS-KAORA-TRANSIT(176 ASNs)
AS-KAORA-PEERING(204 ASNs)
AS-COMSOURCE(255 ASNs)
AS-MNOGOBYTE(476 ASNs)
AS-SUPERNETWORK(515 ASNs)
AS-GBXSCUST-FULL(1,996 ASNs)
AS-TDCNETEU(1,998 ASNs)
AS-GBXSCUST(2,370 ASNs)
AS-GBXS(2,661 ASNs)
AS-TDCNET(2,713 ASNs)
AS-TDCNET-IPV6(2,713 ASNs)
AS-BT6(2,741 ASNs)
AS-BELBONETOPEERS(3,364 ASNs)
AS-BELGACOM(3,364 ASNs)
AS-LEVEL3-IPV6(3,475 ASNs)
AS-SOX-SRB(3,643 ASNs)
AS-BALKAN-IX-V6(3,646 ASNs)
AS-ASTRAL(3,700 ASNs)
AS-MOBIFON(3,859 ASNs)
AS702:AS-HU-CUSTOMER(3,863 ASNs)
AS-CECOMCZCUST-TRANSIT(3,998 ASNs)
AS-CECOMCZ-TRANSIT(4,005 ASNs)
AS34565:AS-TURKIX-PARTNERS(4,030 ASNs)
AS-REALROUTE(4,267 ASNs)
AS-VODAFONE(4,645 ASNs)
AS-ARCOR(5,067 ASNs)
AS-ARCORGLOBAL(5,069 ASNs)
AS41073:AS-IPV4-INEX-PEERS(5,208 ASNs)
AS-RTD(6,186 ASNs)
AS-ORANGERO(6,233 ASNs)
AS-TDATANETEU(6,531 ASNs)
AS-TDATANET(6,679 ASNs)
AS-UUNETEUUK(8,356 ASNs)
AS702:AS-UK-CUSTOMER(8,356 ASNs)
AS-VODAFONE-DE(14,246 ASNs)
AS57304:AS-RETN-RU(14,717 ASNs)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-MATAV(17,357 ASNs)
AS-CLOUD-IX-M(17,536 ASNs)
AS-CLOUD-IX(17,641 ASNs)
AS-CITYTELECOM(17,663 ASNs)
AS-HOSTER(17,663 ASNs)
AS-SPBROUTESERVER(17,816 ASNs)
AS198792:AS-PEER-AMSIX-V4(19,486 ASNs)
AS-OCCAID6(19,611 ASNs)
AS-OCCAID6-CUSTOMERS(19,611 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS30781:AS-JAGUAR-PEERING-V6-SWISS-IX(28,564 ASNs)
AS-FIXO(29,811 ASNs)
AS209861:AS-PEERS(29,811 ASNs)
AS55176:AS-MEMBERS(29,827 ASNs)
AS-IXPLAY(30,348 ASNs)
AS-STARTNIX-EU(30,348 ASNs)
AS-T-CIX(36,150 ASNs)
AS-TTK(36,818 ASNs)
AS702:AS-SE-CUSTOMER(37,142 ASNs)
AS-MTU(38,044 ASNs)
AS-RNDROUTESERVER(38,077 ASNs)
AS-EKTROUTESERVER(38,078 ASNs)
AS-LSC-IXP-RS(38,302 ASNs)
AS-LSC-IXP(38,312 ASNs)
AS5413:AS-ROUTE-SERVER-DE-CIX(39,681 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-IPTT(42,188 ASNs)
AS-PITER-IX(42,188 ASNs)
AS-PITERIX(42,189 ASNs)
AS-PITER-IX-MSK(42,291 ASNs)
AS-4IXP(42,438 ASNs)
AS49869:AS-PITER-IX-MSK(42,438 ASNs)
AS702:AS-CUSTOMER(43,022 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS-INTEROUTE(43,471 ASNs)
AS-RETN6(44,950 ASNs)
AS-ECIX-BER(45,114 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-ECIX-HAM(46,249 ASNs)
AS-RETN(47,667 ASNs)
AS-ECIX-MUC(48,469 ASNs)
AS-ECIX-DUS(48,854 ASNs)
AS-ROSTELECOM(53,118 ASNs)
AS-NSKROUTESERVER(53,148 ASNs)
AS2914:AS-US(53,991 ASNs)
AS-NIXSK-RSCLIENTS(55,989 ASNs)
AS47627:AS-NIXSK-RSCLIENTS(56,033 ASNs)
AS-BIX-V6(56,058 ASNs)
AS-TELIANETRU(56,840 ASNs)
AS1299:AS-TWELVE99-RU-V4(56,840 ASNs)
AS-SEABONE-V6(57,112 ASNs)
AS3491:AS-CUSTOMERS-AP(58,474 ASNs)
AS-CTGNET(58,815 ASNs)
AS-37662(59,003 ASNs)
AS-CN(59,223 ASNs)
AS1273:AS-CWW(59,499 ASNs)
AS-LEVEL3-UAE(60,102 ASNs)
... and 236 more
Upstream AS Paths
23 unique paths, avg length 2.8
AS Looking Glass
Upstream paths (matching graph above)
All 23 Upstream Paths
Complete list of all observed paths
AS57728 IPv4 Address Subnets (5)
| 188.122.192.0/19 | 🇨🇿 CZ | Network of Magnalink | CEZNET-AS |
| 109.234.40.0/21 | 🇨🇿 CZ | CEZNET s.r.o. CER | CEZNET-AS |
| 81.25.16.0/21 | 🇨🇿 CZ | CEZNET s.r.o. CER | CEZNET-AS |
| 81.25.24.0/21 | 🇨🇿 CZ | CEZNET s.r.o. CER | CEZNET-AS |
| 185.255.116.0/22 | 🇨🇿 CZ | CEZNET s.r.o. CER | CEZNET-AS |
AS57728 IPv6 Address Subnets (3)
| 2a00:1800::/32 | 🇨🇿 CZ | CEZNET s.r.o. CER | CEZNET-AS |
| 2a00:1807::/32 | 🇨🇿 CZ | CEZNET s.r.o. CER | CEZNET-AS |
| 2a0a:b6c0::/32 | 🇨🇿 CZ | Network of Magnalink | CEZNET-AS |