AS24971 — MasterDC Master Internet

// MasterDC // Master Internet

AS Name: MASTER-AS

Description: Czech Republic / www.master.cz e-mail: noc@master.cz

Organization: ORG-MIs2-RIPE

Registry: RIPE

Imports from (22)
Exports to (15)

⚠️ CIRCL BGP Security Rank: 0.0102% (position 9465)

aut-num:        AS24971
as-name: MASTER-AS
org: ORG-MIs2-RIPE
remarks: . . _ _
remarks: |\/| _. __|_ _ ._| \/
remarks: | |(_|_> |_(/_| |_/\_
remarks:
descr: Czech Republic / www.master.cz
descr: e-mail: noc@master.cz
remarks:
remarks: ======================== Upstream ========================
remarks:
remarks: = Arelion FKA Telia
remarks:
import: from AS1299 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS1299 announce AS24971:AS-MASTERCZ
remarks:
remarks: = RETN
remarks:
import: from AS9002 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export: to AS9002 announce AS24971:AS-MASTERCZ
remarks:
remarks: ======================== Downstream ========================
remarks:
remarks: = Q-Net CZ
import: from AS21045 action pref=10; accept AS21045
export: to AS21045 announce ANY
remarks: = netsafe
import: from AS48921 action pref=10; accept AS48921 AS61005:AS-OPENTLD
export: to AS48921 announce ANY
remarks: = INTACTO GAMES a.s.
import: from AS51134 action pref=10; accept AS51134
export: to AS51134 announce ANY
remarks: = DCIT, a.s.
import: from AS199806 action pref=10; accept AS199806
export: to AS199806 announce ANY
remarks: = amccomp s.r.o.
import: from AS207167 action pref=10; accept AS207167 AS201922 AS208143 AS215777 AS206321 AS207583 AS207575 AS207576
export: to AS207167 announce {0.0.0.0/0};
remarks: = LAYER6
import: from AS204957 action pref=10; accept AS204957 AS202051;
export: to AS204957 announce {0.0.0.0/0};
remarks: = Dragon-Capital
import: from AS64481 action pref=10; accept AS64481;
export: to AS64481 announce {0.0.0.0/0};
remarks: = INIZIO Internet Media s.r.o.
import: from AS202857 action pref=10; accept AS202857;
export: to AS202857 announce {0.0.0.0/0};
remarks:
remarks: ======================== peering.cz peering ========================
remarks:
import: from AS24971:AS-MAI-PEERING-CZ-PEER action pref = 50; accept as-peeringcz-rs
export: to AS24971:AS-MAI-PEERING-CZ-PEER announce AS24971:AS-MASTERCZ-CZPEERING
remarks:
remarks: ======================== NIX Prague peering ========================
remarks:
import: from AS24971:AS-MAI-NIX-PEER action pref = 50; accept AS47200:AS-NIXCZ-RSCLIENTS
export: to AS24971:AS-MAI-NIX-PEER announce AS24971:AS-MASTERCZ-CZNIX
remarks:
remarks: ======================== NIX Bratislava peering ========================
remarks:
import: from AS24971:AS-MAI-NIX-PEER action pref = 50; accept AS47627:AS-NIXSK-RSCLIENTS
export: to AS24971:AS-MAI-NIX-PEER announce AS24971:AS-MASTERCZ-SKNIX
remarks:
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MASTER-MNT
created: 2002-06-11T14:14:49Z
last-modified: 2026-09-22T11:58:17Z
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 AS24971 as a member:


AS24971:AS-MASTERCZ(2 members)
AS24971:AS-MAI-PEERING-CZ-PEER(10 members)
AS-EMAXSIXPEERS(39 members)
AS174:AS-COGC-033(45 members)
AS-SIXSTIP-SET(47 members)
AS8251:AS-NIX-PEERINGS(49 members)
AS-TO2-NIX-PEER(63 members)
AS-TRANSCZ(70 members)
AS42000:AS-NIXCZ-PEERINGS(80 members)
AS-LEVEL3-CUSTOMERS-EU(565 members)
AS-RETN-ACTUAL-V6(3802 members)
AS-RETN-ACTUAL-V4(12045 members)

Expanded Membership

All macros containing AS24971 (directly or via nested macros): 250

Show 100 macros
AS24971:AS-MAI-PEERING-CZ-PEER(10 ASNs)
AS24971:AS-MASTERCZ(22 ASNs)
AS24971:AS-MASTERCZ-CZNIX(22 ASNs)
AS24971:AS-MASTERCZ-CZPEERING(22 ASNs)
AS24971:AS-MASTERCZ-SKNIX(22 ASNs)
AS-EMAXSIXPEERS(39 ASNs)
AS174:AS-COGC-033(45 ASNs)
AS-SIXSTIP-SET(47 ASNs)
AS8251:AS-NIX-PEERINGS(49 ASNs)
AS-TO2-NIX-PEER(63 ASNs)
AS42000:AS-NIXCZ-PEERINGS(80 ASNs)
AS-TRANSCZ(261 ASNs)
AS-GTSCZ(388 ASNs)
AS-SLOVAK(406 ASNs)
AS-LEVEL3-CUSTOMERS-EU(565 ASNs)
AS-GTS-CE(1,469 ASNs)
AS-LEVEL3-CUSTOMERS(1,493 ASNs)
AS174:AS-COGENT(1,618 ASNs)
AS-RETN-ACTUAL-V6(3,802 ASNs)
AS-RETN-ACTUAL-V4(12,045 ASNs)
AS-INTEROUTE(43,471 ASNs)
AS-RETN6(44,950 ASNs)
AS-TELIANETRU-V6(45,288 ASNs)
AS1299:AS-TWELVE99-RU-V6(45,288 ASNs)
AS-RETN(47,667 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-PLIX6(60,222 ASNs)
AS-SET-INEX-RS(60,298 ASNs)
AS-BCIX-RS(61,123 ASNs)
AS16374:AS-BCIX-RS(61,123 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
AS5405:AS-INTERDOTLINK(66,620 ASNs)
AS-STUTTGARTIX-RS(66,636 ASNs)
AS-CW6(66,853 ASNs)
AS1273:AS-CWW-V6(66,853 ASNs)
AS201561:AS-DECIX-CPH(66,988 ASNs)
AS201561:AS-DECIX-CPH-V6(66,988 ASNs)
AS-SET-INEX-CONNECTED(67,097 ASNs)
AS-CW(67,352 ASNs)
AS-SIXSK-SETS(67,561 ASNs)
AS-BIX(68,877 ASNs)
AS2914:AS-ASIA-V6(68,905 ASNs)
AS-SEABONECUSTEU(69,169 ASNs)
AS-FRYS-IX-CONNECTED(69,468 ASNs)
AS-BIX-BG(69,751 ASNs)
AS-NETIX-INT(69,913 ASNs)
AS43380:AS-DTEL-IX(69,913 ASNs)
AS-KIVIX(69,914 ASNs)
AS52055:AS-NETIX-GR(69,958 ASNs)
AS-SIX(70,009 ASNs)
AS-UBNIX(70,042 ASNs)
AS-GLOBAL-IX(70,222 ASNs)
AS-EPIX-LOCAL(70,298 ASNs)
AS-EPIX(70,299 ASNs)
AS-C4LPEERS(70,320 ASNs)
AS56584:AS-SET-INTERIX-RS(70,331 ASNs)
AS17645:AS-NTTS(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS2914:AS-ASIA(70,764 ASNs)
AS-NETIX-NET(71,038 ASNs)
AS-IU-CL(71,146 ASNs)
AS-TSUA-PARITY(71,146 ASNs)
AS-UAIX(71,146 ASNs)
AS-UDC2UTEL(71,146 ASNs)
AS25229:AS-PARITY(71,150 ASNs)
AS-KIKE(71,185 ASNs)
AS21011:AS-PEERS-UA(71,230 ASNs)
AS21011:AS-UA(71,230 ASNs)
AS56584:AS-INTERIX(71,301 ASNs)
AS-SEABONE(71,409 ASNs)
AS3320:AS-DTAG-V6(71,426 ASNs)
AS-ROMANIA(71,783 ASNs)
AS-DECIX-MAD(71,930 ASNs)
AS48793:AS-DECIX-MAD(71,930 ASNs)
AS-SIXSK-SETS-V6(71,982 ASNs)
AS-INTERLANRO(72,156 ASNs)
AS43289:AS-PEERS(72,157 ASNs)
AS-PEERINGCZ-RS(72,214 ASNs)
AS-DECIX-PMO-V6(72,294 ASNs)
AS25083:AS-DECIX-PMO-V6(72,294 ASNs)
AS-DECIX-PMO(72,297 ASNs)
AS25083:AS-DECIX-PMO(72,297 ASNs)
AS29535:AS-TPIX(72,365 ASNs)
AS-DTAG(72,392 ASNs)
AS3320:AS-DTAG(72,392 ASNs)
AS-DECIX-DUS(73,592 ASNs)
AS56890:AS-DECIX-DUS(73,592 ASNs)
AS2914:AS-EUROPE-V6(73,647 ASNs)
AS-EBONE(73,672 ASNs)
AS-ST1-UPSTREAMS(73,733 ASNs)
AS-DECIX-HAM(73,753 ASNs)
AS-WORKIX(73,753 ASNs)
AS43252:AS-DECIX-HAM(73,753 ASNs)
... and 150 more

Upstream AS Paths

22 unique paths, avg length 1.7

AS24971AS6939AS9002AS1299AS262355AS49544AS36236AS32590AS53062AS18187AS140627AS37721AS148968AS398465AS3356AS52320AS38001AS58511AS14537AS2497AS266213AS150000AS7594AS24971 Upstream Paths19 paths shown

AS Looking Glass

Upstream paths (matching graph above)

AS2497 → AS1299 → AS24971
AS140627 → AS1299 → AS24971
AS150000 → AS18187 → AS6939 → AS24971
AS37721 → AS6939 → AS24971
AS140627 → AS6939 → AS24971
AS148968 → AS6939 → AS24971
AS150000 → AS6939 → AS24971
AS398465 → AS6939 → AS24971
AS7594 → AS3356 → AS9002 → AS24971
AS14537 → AS9002 → AS24971
AS38001 → AS9002 → AS24971
AS52320 → AS9002 → AS24971
AS58511 → AS9002 → AS24971
AS32590 → AS24971
AS36236 → AS24971
AS37721 → AS24971
AS49544 → AS24971
AS53062 → AS24971
AS266213 → AS262355 → AS24971
All 22 Upstream Paths

Complete list of all observed paths

AS1299 → AS24971
AS2497 → AS1299 → AS24971
AS140627 → AS1299 → AS24971
AS6939 → AS24971
AS150000 → AS18187 → AS6939 → AS24971
AS37721 → AS6939 → AS24971
AS140627 → AS6939 → AS24971
AS148968 → AS6939 → AS24971
AS150000 → AS6939 → AS24971
AS398465 → AS6939 → AS24971
AS9002 → AS24971
AS7594 → AS3356 → AS9002 → AS24971
AS14537 → AS9002 → AS24971
AS38001 → AS9002 → AS24971
AS52320 → AS9002 → AS24971
AS58511 → AS9002 → AS24971
AS32590 → AS24971
AS36236 → AS24971
AS37721 → AS24971
AS49544 → AS24971
AS53062 → AS24971
AS266213 → AS262355 → AS24971

AS24971 IPv4 Address Subnets (33)

77.93.192.0/19🇨🇿 CZMASTER-NET-4MASTER-AS
83.167.224.0/19🇨🇿 CZMASTER-NET-5MASTER-AS
89.185.224.0/19🇨🇿 CZMASTER-NET-3MASTER-AS
178.238.32.0/20🇨🇿 CZCZ-MASTER-20100712MASTER-AS
80.79.16.0/20🇨🇿 CZMASTER-NET-2MASTER-AS
81.31.32.0/20🇨🇿 CZMASTER-NET-1MASTER-AS
149.62.144.0/21🇨🇿 CZCZ-MASTER-20110725MASTER-AS
85.118.128.0/21🇨🇿 CZCZ-MASTER-20120312MASTER-AS
185.145.160.0/22🇨🇿 CZCZ-ETNETERA-20160401MASTER-AS
185.239.216.0/22🇨🇿 CZCZ-ADMINIT-20180105MASTER-AS

show more..

AS24971 IPv6 Address Subnets (13)

2001:678:a50::/48🇨🇿 CZRU-AVANTEL-20190403MASTER-AS
2001:67c:68::/48🇨🇿 CZIINFO-1-IPV6-MAI-CZMASTER-AS
2a00:8220::/32🇨🇿 CZCZ-NETIO-20130508MASTER-AS
2a00:a5a0::/32🇨🇿 CZCZ-ANAFRA-20130624MASTER-AS
2a01:430::/32🇨🇿 CZMASTER-IPV6-1-MAI-CZMASTER-AS
2a03:3b40::/40🇨🇿 CZVPSFREE-IPV6-PRG2MASTER-AS
2a03:3b40:100::/40🇨🇿 CZVPSFREE-IPV6-BRQ2MASTER-AS
2a03:3b40:200::/39🇨🇿 CZVPSFREE-IPV6-TUNNELSMASTER-AS
2a03:7460::/32🇨🇿 CZCZ-SN-20150126MASTER-AS
2a04:16c0:200::/48🇨🇿 CZVerotel Merchant Services B.V.MASTER-AS

show more..

Hostnames in AS24971