FERENZ NETWORKS // Ferenz Networks // FERENZ

AS Name: FERENZ

Description: AS266400 - FERENZ NETWORKS (FERENZ) AS266400 - FERENZ NETWORKS (FERENZ)

Registry: RADB

Imports from (1)

AS266400:AS-TRANSIT

Exports to (2)

AS266400:AS-TRANSIT AS266400:AS-FERENZ

⚠️ CIRCL BGP Security Rank: 0.0009% (position 11474)

aut-num: AS266400
as-name: FERENZ
descr: AS266400 - FERENZ NETWORKS (FERENZ)
import: from AS266400:AS-TRANSIT accept ANY
export: to AS266400:AS-TRANSIT announce AS266400:AS-FERENZ
admin-c: FENNO8-NICBR
tech-c: FENNO8-NICBR
notify: noc@ferenz.com.br
remarks: Looking Glass: https://lg.as266400.net
remarks: PeeringDB: https://www.peeringdb.com/asn/266400
mnt-by: MAINT-AS266400
changed: noc@ferenz.com.br 20250815
source: ALTDB 
aut-num: AS266400
as-name: FERENZ
descr: AS266400 - FERENZ NETWORKS (FERENZ)
import: from AS266400:AS-TRANSIT accept ANY
export: to AS266400:AS-TRANSIT announce AS266400:AS-FERENZ
admin-c: FENNO8-NICBR
tech-c: FENNO8-NICBR
remarks: Looking Glass: https://lg.as266400.net
remarks: PeeringDB: https://www.peeringdb.com/asn/266400
notify: fernando@ferenz.com.br
mnt-by: MAINT-FERENZ
changed: fernando@ferenz.com.br 20250930 # 15:25 GMT
source: RADB
last-modified: 2025-09-30T15:25:42Z

Direct Membership

Macros that directly list AS266400 as a member:

AS266400:AS-FERENZ(2 members)
AS210714:AS-DEFAULT(32 members)
AS-CTBC-CUSTOMERS51(50 members)
AS-CTBC-CUSTOMERS95(50 members)
AS-KODDOS(185 members)
AS63034:AS-DECIX-NYC-CONNECTED(277 members)
AS28343:AS-CUSTOMERS(340 members)
AS-40676(459 members)
AS-MAXIHOST(536 members)
AS-FORTE-TELECOM-CUSTOMER-TRIAL(666 members)
AS52925:AS-CONE(700 members)
AS6777:AS-AMS-IX-RS-SETS-V6(729 members)
AS6777:AS-AMS-IX-RS-V6(733 members)
AS6777:AS-AMS-IX-RS-SETS(797 members)
AS6777:AS-AMS-IX-RS(802 members)
AS-TASCOM-CUSTOMERS(897 members)
AS6695:AS-DECIX-FRA-RS-V6(1064 members)
AS6695:AS-DECIX-FRA-RS(1064 members)
AS6695:AS-DECIX-FRA-CONNECTED(1065 members)
AS-STORMWALL-SET(1337 members)
AS-ITXBR(1408 members)
AS-8167-BGP-CUSTOMERS(1446 members)
AS-53062-CUSTOMERS(1531 members)
AS-HUGENET-CUSTOMERS(1652 members)
AS-267613(5154 members)
AS-EMBRATELNET(6101 members)
AS26615:AS-CUSTOMERS(7539 members)
AS-CTBC-TOOLS(8129 members)
AS-TRANSROUTE-SPEC(19556 members)

Expanded Membership

All macros containing AS266400 (directly or via nested macros): 471

Show 100 macros

AS266400:AS-FERENZ(7 ASNs)
AS210714:AS-DEFAULT(31 ASNs)
AS-ISPSHIELD(39 ASNs)
AS-CTBC-CUSTOMERS51(50 ASNs)
AS-CTBC-CUSTOMERS95(50 ASNs)
AS-DECIX-NYC-CONNECTED(277 ASNs)
AS63034:AS-DECIX-NYC-CONNECTED(277 ASNs)
AS-KODDOS(301 ASNs)
AS28343:AS-CUSTOMERS(340 ASNs)
AS-28343(341 ASNs)
AS-MAXIHOST(536 ASNs)
AS28458:AS-CUSTOMERS(586 ASNs)
AS-IENTC-MX(587 ASNs)
AS28458:AS-ALL(587 ASNs)
AS28458:AS-CONE(587 ASNs)
AS8220:AS-COLTSG(692 ASNs)
AS8220:AS-COLTJP(732 ASNs)
AS6777:AS-AMS-IX-RS-V6(733 ASNs)
AS52925:AS-CONE(734 ASNs)
AS6777:AS-AMS-IX-RS(802 ASNs)
AS39521:AS-AMS-IX-PEERS(803 ASNs)
AS8220:AS-COLT-APAC(849 ASNs)
AS-TASCOM-CUSTOMERS(897 ASNs)
AS52871:AS-CONE(897 ASNs)
AS-TASCOM-52871(899 ASNs)
AS-FORTE-TELECOM-CUSTOMER-TRIAL(1,002 ASNs)
AS-DECIX-RS(1,064 ASNs)
AS-DECIX-RS-V6(1,064 ASNs)
AS6695:AS-DECIX-FRA-RS(1,064 ASNs)
AS6695:AS-DECIX-FRA-RS-V6(1,064 ASNs)
AS-DECIX-CONNECTED(1,065 ASNs)
AS6695:AS-DECIX-FRA-CONNECTED(1,065 ASNs)
AS-ALTAREDE(1,116 ASNs)
AS-8167-BGP-CUSTOMERS(1,446 ASNs)
AS-53062-CUSTOMERS(1,531 ASNs)
AS-262391(1,532 ASNs)
AS-53062(1,532 ASNs)
AS61621:AS-CONE(1,742 ASNs)
AS-NORTE-NET-CONE(1,743 ASNs)
AS-FORTE-TELECOM(2,143 ASNs)
AS-SERVERIUS(2,367 ASNs)
AS-40676(2,445 ASNs)
AS-ITXBR(2,941 ASNs)
AS-NEXUSGUARD-CLIENTS-AS-SET(3,901 ASNs)
AS8220:AS-COLT(3,925 ASNs)
AS45474:AS-NEXUSGUARD(4,166 ASNs)
AS-53013-CUSTOMERS-ASSET(4,310 ASNs)
AS62663:AS-CONE(4,322 ASNs)
AS-62663-BGP-CUSTOMERS(4,323 ASNs)
AS-TLC-GROUP(4,323 ASNs)
AS-TLC(4,324 ASNs)
AS-SOLIX-RS(4,348 ASNs)
AS6830:AS-AORTANL(4,359 ASNs)
AS-ITXBR1(4,615 ASNs)
AS-OPENPEERING(5,106 ASNs)
AS-OPENPEERING-EU(5,106 ASNs)
AS-267613(5,153 ASNs)
AS-MEGATELECOM-CUSTOMERS(5,157 ASNs)
AS-MEGA(5,160 ASNs)
AS-MEGATELECOM(5,166 ASNs)
AS-INTERTAX(5,306 ASNs)
AS-OPENX(5,734 ASNs)
AS-NOVVACORE(5,795 ASNs)
AS-NOVVACORE-CUSTOMERS(5,795 ASNs)
AS-BANDCON(5,888 ASNs)
AS-STORMWALL-SET(6,044 ASNs)
AS-OPENPEERINGMEMBERS(6,072 ASNs)
AS-G8(6,078 ASNs)
AS-EMBRATELNET(6,101 ASNs)
AS-MILECOM(6,301 ASNs)
AS20730:AS-DVO-IX(6,301 ASNs)
AS-FLYS(6,441 ASNs)
AS-TIVIT(6,449 ASNs)
AS-ZSTTK-SET(6,735 ASNs)
AS-CHIEF-TRANSIT(6,746 ASNs)
AS-MILECOM-RS(7,417 ASNs)
AS26615:AS-CUSTOMERS(7,539 ASNs)
AS28287:AS-PEERING(7,548 ASNs)
AS265126:AS-PEERING(7,549 ASNs)
AS28287:AS-ASSIM(7,549 ASNs)
AS262493:AS-CONE(7,550 ASNs)
AS262493:AS-TRANSIT(7,550 ASNs)
AS265126:AS-FLEETNET(7,550 ASNs)
AS-RBIX(7,603 ASNs)
AS-CABOTELECOM-CUST(7,740 ASNs)
AS-CTBC-TOOLS(8,129 ASNs)
AS272713:AS-CDNSTAR-CUSTOMERS(8,304 ASNs)
AS272713:AS-CDNSTAR(8,471 ASNs)
AS-999-CORIX(9,091 ASNs)
AS-HUGENET(9,689 ASNs)
AS-HUGENET-CUSTOMERS(9,689 ASNs)
AS-SEABORN-G2(10,828 ASNs)
AS-EMIX(11,052 ASNs)
AS-CTBC(11,413 ASNs)
AS-TEDATA(11,427 ASNs)
AS-SEABONECUSTLA(11,515 ASNs)
AS-AORTA(11,961 ASNs)
AS6830:AS-AORTA(11,961 ASNs)
AS-FIORD(12,063 ASNs)
AS-FIORD-V6(12,063 ASNs)
... and 371 more

Upstream AS Paths

55 unique paths, avg length 1.6

AS Looking Glass

Upstream paths (matching graph above)

AS25091 → AS3356 → AS266400
AS209823 → AS3356 → AS266400
AS4826 → AS6939 → AS266400
AS19653 → AS6939 → AS266400
AS33185 → AS6939 → AS266400
AS35008 → AS6939 → AS266400
AS150000 → AS6939 → AS266400
AS209823 → AS6939 → AS266400
AS23367 → AS1299 → AS37468 → AS266400
AS2734 → AS37468 → AS266400
AS3170 → AS37468 → AS266400
AS4826 → AS37468 → AS266400
AS142271 → AS9304 → AS37468 → AS266400
AS14537 → AS37468 → AS266400
AS16552 → AS37468 → AS266400
AS25091 → AS37468 → AS266400
AS32590 → AS37468 → AS266400
AS49544 → AS37468 → AS266400
AS63927 → AS37468 → AS266400
AS140627 → AS37468 → AS266400

All 55 Upstream Paths

Complete list of all observed paths

AS2497 → AS174 → AS266400
AS3491 → AS174 → AS266400
AS7594 → AS174 → AS266400
AS150000 → AS18187 → AS174 → AS266400
AS136557 → AS174 → AS266400
AS1031 → AS266400
AS3214 → AS266400
AS2497 → AS3356 → AS266400
AS3491 → AS3356 → AS266400
AS7594 → AS3356 → AS266400
AS25091 → AS3356 → AS266400
AS209823 → AS3356 → AS266400
AS6939 → AS266400
AS4826 → AS6939 → AS266400
AS19653 → AS6939 → AS266400
AS33185 → AS6939 → AS266400
AS35008 → AS6939 → AS266400
AS150000 → AS6939 → AS266400
AS209823 → AS6939 → AS266400
AS7713 → AS266400
AS8298 → AS266400
AS9002 → AS266400
AS14537 → AS266400
AS14537 → AS16735 → AS266400
AS49544 → AS16735 → AS266400
AS18106 → AS266400
AS24482 → AS266400
AS25091 → AS266400
AS36236 → AS266400
AS37100 → AS266400
AS37468 → AS266400
AS23367 → AS1299 → AS37468 → AS266400
AS2734 → AS37468 → AS266400
AS3170 → AS37468 → AS266400
AS4826 → AS37468 → AS266400
AS142271 → AS9304 → AS37468 → AS266400
AS14537 → AS37468 → AS266400
AS16552 → AS37468 → AS266400
AS25091 → AS37468 → AS266400
AS32590 → AS37468 → AS266400
AS49544 → AS37468 → AS266400
AS63927 → AS37468 → AS266400
AS140627 → AS37468 → AS266400
AS37721 → AS266400
AS39120 → AS266400
AS49544 → AS266400
AS58511 → AS266400
AS61568 → AS266400
AS61573 → AS266400
AS63927 → AS266400
AS132337 → AS266400
AS209823 → AS266400
AS267613 → AS266400
AS269180 → AS266400

AS266400 IPv4 Address Subnets (31)

170.81.40.0/22	🇧🇷 BR	ITX-MHNET	FERENZ
45.224.128.0/22	🇧🇷 BR	Ferenz Networks - DC	FERENZ
170.81.40.0/23	🇧🇷 BR	Ferenz Networks - DC	FERENZ
170.81.42.0/23	🇧🇷 BR	Ferenz Networks - DC	FERENZ
181.214.128.0/23	🇧🇷 BR		FERENZ
31.57.174.0/23	🇧🇷 BR		FERENZ
45.224.128.0/23	🇧🇷 BR	Ferenz Networks - DC	FERENZ
45.224.130.0/23	🇧🇷 BR	Ferenz Networks - DC	FERENZ
74.1.74.0/23	🇧🇷 BR	Used by EndUser	FERENZ
74.1.84.0/23	🇧🇷 BR	Used by EndUser	FERENZ

AS266400 IPv6 Address Subnets (13)

2804:3744::/32	🇧🇷 BR	ITX-MHNET	FERENZ
2804:3744::/33	🇧🇷 BR	CLARO S.A. Customer	FERENZ
2804:3744::/34	🇧🇷 BR	CLARO S.A. Customer	FERENZ
2804:3744:4000::/34	🇧🇷 BR	Ferenz Networks - DC	FERENZ
2804:3744:4000::/40	🇧🇷 BR	Ferenz Networks - DC	FERENZ
2804:3744:4000::/48	🇧🇷 BR	Ferenz Networks - DC	FERENZ
2804:3744:4001::/48	🇧🇷 BR	Ferenz Networks - DC	FERENZ
2804:3744:4900::/40	🇧🇷 BR	Ferenz Networks - DC	FERENZ
2804:3744:4900::/48	🇧🇷 BR	Ferenz Networks - DC	FERENZ
2804:3744:4901::/48	🇧🇷 BR	Ferenz Networks - DC	FERENZ