AS19037 — AMX Argentina Claro Argentina
AS Name: CTI
Description: Companias de Telefonos del Interior S.A. AMX Argentina S.A.
Registry: LEVEL3
aut-num: AS19037
as-name: AMX-2
descr: AMX Argentina S.A.
member-of: AS-CLARO-AUP
import: from AS1299 action pref = 110; accept {0.0.0.0/0^0-24}
import: from AS3257 action pref = 110; accept {0.0.0.0/0^0-24}
import: from AS6762 action pref = 110; accept {0.0.0.0/0^0-24}
import: from AS11664 action pref = 110; accept AS11664 AS-CLARO-AUP-CUSTOMERS
import: from AS174 action pref = 110; accept {0.0.0.0/0^0-24}
import: from AS701 action pref = 110; accept {0.0.0.0/0^0-24}
import: from AS2914 action pref = 110; accept {0.0.0.0/0^0-24}
export: to AS1299 announce AS-CLARO-AUP-ALL AND NOT {0.0.0.0/0}
export: to AS3257 announce AS-CLARO-AUP-ALL AND NOT {0.0.0.0/0}
export: to AS174 announce AS-CLARO-AUP-ALL AND NOT {0.0.0.0/0}
export: to AS6762 announce AS-CLARO-AUP-ALL AND NOT {0.0.0.0/0}
export: to AS701 announce AS-CLARO-AUP-ALL AND NOT {0.0.0.0/0}
export: to AS11664 announce AS19037
export: to AS2914 announce AS-CLARO-AUP-ALL AND NOT {0.0.0.0/0}
admin-c: IAM
tech-c: IAM
mnt-by: MAINT-AS11664
changed: ipaddressing.ar@claro.com.ar 20210526 #00:25:20Z
source: RADB
last-modified: 2026-08-07T13:29:41Z
Direct Membership
Macros that directly list AS19037 as a member:
AS-CLARO-AUP(3 members)
AS-8151(198 members)
AS-28513(526 members)
AS-NWN-TRANSIT(2017 members)
AS-EMBRATELNET(6101 members)
AS-LEVEL3-ORIGINS-EU(7728 members)
Expanded Membership
All macros containing AS19037 (directly or via nested macros): 259
Show 100 macros
AS-CLARO-AUP(3 ASNs)
AS-8151(198 ASNs)
AS-CLARO-AUP-ALL(316 ASNs)
AS-28513(526 ASNs)
AS-NWN-TRANSIT(2,017 ASNs)
AS6830:AS-AORTAUS(2,041 ASNs)
AS-EMBRATELNET(6,101 ASNs)
AS-LEVEL3-ORIGINS-EU(7,728 ASNs)
AS-LEVELTHREEEU(7,728 ASNs)
AS-AORTA(11,961 ASNs)
AS6830:AS-AORTA(11,961 ASNs)
AS41073:AS-INEX-PEERS(14,843 ASNs)
AS-1031-PEER1(18,971 ASNs)
AS-LINKBRASIL-271253(19,032 ASNs)
AS271253:AS-CUSTOMERS(19,032 ASNs)
AS-ST1-PEERINGS(19,133 ASNs)
AS-AS53013(20,143 ASNs)
AS-XO(23,361 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-4IXP(42,438 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS2914:AS-US-V6(52,836 ASNs)
AS2914:AS-US(53,991 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)
AS-PLIX6(60,222 ASNs)
AS-CAIS(61,483 ASNs)
AS213687:AS-ERA-IX-FRANKFURT(61,777 ASNs)
AS-SOVAM-V6(64,052 ASNs)
AS-SOVAM6(64,052 ASNs)
AS-HKIX(64,663 ASNs)
AS-TELIANETASIA(65,174 ASNs)
AS1299:AS-TWELVE99-AP-V4(65,174 ASNs)
AS-PANTEL(65,191 ASNs)
AS-TTI(65,191 ASNs)
AS206221:AS-ERA-IX-AMSTERDAM(65,700 ASNs)
AS-ERA-IX(65,707 ASNs)
AS5405:AS-INTERDOTLINK(66,620 ASNs)
AS-STUTTGARTIX-RS(66,636 ASNs)
AS-TELIANETASIA-V6(66,784 ASNs)
AS1299:AS-TWELVE99-AP-V6(66,784 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-UAEIX(67,297 ASNs)
AS61374:AS-UAEIX(67,297 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)
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-UAEIX-V6(71,954 ASNs)
AS61374:AS-UAEIX-V6(71,954 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)
... and 159 more
Upstream AS Paths
29 unique paths, avg length 2.4
AS Looking Glass
Upstream paths (matching graph above)
All 29 Upstream Paths
Complete list of all observed paths
AS19037 IPv4 Address Subnets (583)
| 186.123.112.0/20 | 🇲🇽 MX | ARGENTINA | AS28513 |
| 170.51.112.0/21 | 🇦🇷 AR | AMX-1 | |
| 170.51.120.0/21 | 🇦🇷 AR | AMX-1 | |
| 170.51.16.0/21 | 🇦🇷 AR | AMX-1 | |
| 170.51.216.0/21 | 🇦🇷 AR | AMX-1 | |
| 170.51.232.0/21 | 🇦🇷 AR | AMX-1 | |
| 170.51.32.0/21 | 🇦🇷 AR | CTI Compania de Telefonas del Interior S.A. | CTI |
| 170.51.64.0/21 | 🇦🇷 AR | AMX-1 | |
| 170.51.8.0/21 | 🇲🇽 MX | ARGENTINA | AS28513 |
| 181.116.32.0/21 | 🇦🇷 AR | AMX-1 |
AS19037 IPv6 Address Subnets (75)
| 2800:190:100::/44 | 🇦🇷 AR | AMX-1 | |
| 2800:190:100::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:1f0::/44 | 🇦🇷 AR | AMX-1 | |
| 2800:190:200::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:20b::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:210::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:300::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:301::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:303::/48 | 🇦🇷 AR | AMX-1 | |
| 2800:190:30c::/48 | 🇦🇷 AR | AMX-1 |