AS12303
AS Name: ISZT-AS
Description: 1132 Budapest Victor Hugo u. 18-22.
Organization: ORG-MIST1-RIPE
Registry: RIPE
aut-num: AS12303
as-name: ISZT-AS
descr: 1132 Budapest Victor Hugo u. 18-22.
org: ORG-MIST1-RIPE
remarks:
remarks: upstream
remarks:
mp-import: afi ipv6.unicast from AS5507 action pref=250; accept AS-BIX-V6
mp-import: afi ipv6.unicast from AS1921 accept ANY
mp-export: afi ipv6.unicast to AS5507 announce AS-ISZT
import: from AS5507 accept any
export: to AS5507 announce AS-ISZT
import: from AS3340 accept { 0.0.0.0/0 }
import: from AS3340 accept AS-DATANET
export: to AS3340 announce AS-ISZT
import: from AS29278 accept { 0.0.0.0/0 }
import: from AS29278 accept AS-DENINET
import: from AS42909 accept { 194.0.1.0/24 }
import: from AS42909 accept { 194.0.2.0/24 }
import: from AS25152 accept { 193.0.14.0/24 }
import: from AS1921 accept { 194.0.25.0/24 }
import: from AS1921 accept { 192.174.68.0/24 }
import: from AS1921 accept { 176.97.158.0/24 }
import: from AS1921 accept { 91.237.67.0/24 }
import: from AS1921 accept { 185.167.176.0/24 }
import: from AS1921 accept { 193.227.117.0/24 }
import: from AS1921 accept { 194.50.187.0/24 }
import: from AS1921 accept { 194.0.182.0/24 }
import: from AS1921 accept { 185.80.188.0/22 }
import: from AS1921 accept { 193.46.128.0/22 }
import: from AS1921 accept { 193.46.132.0/23 }
import: from AS1921 accept { 193.46.134.0/24 }
import: from AS1921 accept { 193.46.135.0/24 }
import: from AS1921 accept { 194.0.26.0/24 }
import: from AS1921 accept { 194.0.24.0/24 }
export: to AS29278 announce AS-ISZT
export: to AS42909 announce AS-ISZT
export: to AS25152 announce AS-ISZT
member-of: AS3320:AS-AUTH-PILOT-BLACKHOLE-FROM-AS5483
admin-c: DUMY-RIPE
tech-c: DUMY-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: HU-NIC-MNT
created: 2005-06-14T09:03:41Z
last-modified: 2025-05-27T13:46:53Z
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: ****************************
Upstream AS Paths
21 unique paths, avg length 2.2
Prefixes (2) →
View all IPv4 and IPv6 prefixes originated by AS12303
Hostnames in AS12303
Direct Membership
Macros that directly list AS12303 as a member:
AS-HBONE(14 members)
AS-DENINET6(34 members)
AS-DENINET(83 members)
AS-MAGYARTELEKOM-HU(109 members)
AS-MAGYARTELEKOM(234 members)
AS-RETN-ACTUAL-V6(3802 members)
AS-LEVEL3-ORIGINS-EU(7728 members)
AS-RETN-ACTUAL-V4(12045 members)
Expanded Membership
All macros containing AS12303 (directly or via nested macros): 273
Show 100 macros
AS-HBONE(16 ASNs)
AS-HBONETEN(16 ASNs)
AS-HPC-MVM(70 ASNs)
AS-MAGYARTELEKOM-HU(110 ASNs)
AS-DATANET(174 ASNs)
AS-GEANT-GWS(342 ASNs)
AS-UUNETNO(389 ASNs)
AS702:AS-NO-CUSTOMER(389 ASNs)
AS-GEANT-EUPEER(640 ASNs)
AS-DYNEGYEUROPE(652 ASNs)
AS-GEANTNRN(722 ASNs)
AS3267:AS-NREN(722 ASNs)
AS-NORDUNET(934 ASNs)
AS-365NET-RIX(985 ASNs)
AS-GTSCZ-NIX(1,405 ASNs)
AS-GTS-CE(1,469 ASNs)
AS-DENINET6(2,424 ASNs)
AS-OMONIA(2,842 ASNs)
AS-GIGANET(2,869 ASNs)
AS-MAGYARTELEKOM6(2,890 ASNs)
AS-DENINET(2,924 ASNs)
AS293:AS-FROM-I2-TO-ESNET(2,941 ASNs)
AS-RETN-ACTUAL-V6(3,802 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS-RETN-ACTUAL-V4(12,045 ASNs)
AS-VOXILITY-SET(15,206 ASNs)
AS-RDSNET(16,878 ASNs)
AS-RDSTRANSIT(16,878 ASNs)
AS-MATAV(17,357 ASNs)
AS-MAGYARTELEKOM(17,357 ASNs)
AS-COMCAST-IBONE(19,609 ASNs)
AS-NOTSURFNET-PEERS(19,650 ASNs)
AS-T-CIX-V6(22,807 ASNs)
AS-T-CIX(36,150 ASNs)
AS702:AS-SE-CUSTOMER(37,142 ASNs)
AS-SONIX(41,963 ASNs)
AS702:AS-CUSTOMER(43,022 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-ECIX-HAM(46,249 ASNs)
AS-DIGICOMMPS(46,931 ASNs)
AS-BROADNETIL(46,931 ASNs)
AS-RETN(47,667 ASNs)
AS2914:AS-US-V6(52,836 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-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)
AS2914:AS-ASIA(70,764 ASNs)
AS17645:AS-NTTS-IP(70,764 ASNs)
AS-NETIX-NET(71,038 ASNs)
AS-UAIX(71,146 ASNs)
AS-TSUA-PARITY(71,146 ASNs)
AS-IU-CL(71,146 ASNs)
AS-UDC2UTEL(71,146 ASNs)
AS25229:AS-PARITY(71,150 ASNs)
AS-KIKE(71,185 ASNs)
AS21011:AS-UA(71,230 ASNs)
AS21011:AS-PEERS-UA(71,230 ASNs)
AS56584:AS-INTERIX(71,301 ASNs)
AS-SEABONE(71,409 ASNs)
... and 173 more