// SIM FIBRA // SIM FIBRA

AS Name: UNSPECIFIED

Description: MM Telecom

Registry: TC

⚠️ CIRCL BGP Security Rank: 0.8838% (position 1017)

aut-num:        AS263998
as-name:        SIMFIBRA-BR
remarks:        *********************************************
remarks:        Global AS-SET (Customers)
member-of:      AS-MMTELECOM
remarks:        *********************************************
remarks:        Internet Exchange
member-of:      AS-IXBR-CE
member-of:      AS-IXBR-PR
member-of:      AS-IXBR-RJ
member-of:      AS-IXBR-RS
member-of:      AS-IXBR-SC
member-of:      AS-IXBR-SP
member-of:      AS-AMS-IX
member-of:      AS-NYIIX
remarks:        *********************************************
descr:          SIM INTERNET PROVEDORES DE INTERNET EIRELI
remarks:        *********************************************
remarks:        Transito IPv4
import:         from AS174 action pref = 250; accept ANY
import:         from AS1031 action pref = 250; accept ANY
import:         from AS3356 action pref = 250; accept ANY
import:         from AS23764 action pref = 250; accept ANY
import:         from AS52468 action pref = 250; accept ANY
import:         from AS268624 action pref = 250; accept ANY
remarks:        *********************************************
remarks:        Transito IPv6
mp-import:      from AS174 action pref = 250; accept ANY
mp-import:      from AS1031 action pref = 250; accept ANY
mp-import:      from AS3356 action pref = 250; accept ANY
mp-import:      from AS23764 action pref = 250; accept ANY
mp-import:      from AS52468 action pref = 250; accept ANY
mp-import:      from AS268624 action pref = 250; accept ANY
remarks:        *********************************************
remarks:        Transito IPv4
export:         to AS174 announce AS-MMTELECOM
export:         to AS1031 announce AS-MMTELECOM
export:         to AS3356 announce AS-MMTELECOM
export:         to AS23764 announce AS-MMTELECOM
export:         to AS52468 announce AS-MMTELECOM
export:         to AS268624 announce AS-MMTELECOM
remarks:        *********************************************
remarks:        Transito IPv6
mp-export:      to AS174 announce AS-MMTELECOM
mp-export:      to AS1031 announce AS-MMTELECOM
mp-export:      to AS3356 announce AS-MMTELECOM
mp-export:      to AS23764 announce AS-MMTELECOM
mp-export:      to AS52468 announce AS-MMTELECOM
mp-export:      to AS268624 announce AS-MMTELECOM
remarks:        *********************************************
remarks:        Peering.db
remarks:        https://www.peeringdb.com/net/14896
remarks:        *********************************************
admin-c:        MMSLT25-NICBR
tech-c:         MMSLT25-NICBR
mnt-by:         MAINT-AS263998
notify:         joel@redesiminternet.com.br
changed:        diego@openx.com.br 20260815
source:         TC
last-modified:  2026-08-15T19:35:06Z

Direct Membership

Macros that directly list AS263998 as a member:

AS268909:AS-UPSTREAMS(1 members)
AS267936:AS-UPSTREAMS(2 members)
AS271571:AS-UPSTREAMS(2 members)
AS265417:AS-UPSTREAMS(4 members)
AS-CTBC-CUSTOMERS34(50 members)
AS-CTBC-CUSTOMERS86(50 members)
AS-MMTELECOM(62 members)
AS-CTGNET-CUT(477 members)
AS-CTGNET(540 members)
AS-MANDA-AMSIX-PEERS-V6(559 members)
AS-MANDA-AMSIX-PEERS-V4(596 members)
AS-CN2(667 members)
AS6777:AS-AMS-IX-RS-SETS-V6(729 members)
AS6777:AS-AMS-IX-RS-V6(733 members)
AS3303:AS-SWCMPEERS(783 members)
AS6777:AS-AMS-IX-RS-SETS(797 members)
AS6777:AS-AMS-IX-RS(802 members)
AS-ITXBR(1408 members)
AS-IXBR-ATM6-SP(1440 members)
AS-53062-CUSTOMERS(1531 members)
AS-FLYS(1662 members)
AS-IXBR-ATM4-SP(1706 members)
AS-IXBR-SP(1726 members)
AS-ITXBR1(1794 members)
AS3491:AS-CUSTOMERS-NA(2785 members)
AS-267613(5154 members)
AS26615:AS-CUSTOMERS(7539 members)
AS-CTBC-TOOLS(8129 members)

Expanded Membership

All macros containing AS263998 (directly or via nested macros): 407

Show 100 macros

AS268909:AS-UPSTREAMS(1 ASNs)
AS267936:AS-UPSTREAMS(2 ASNs)
AS271571:AS-UPSTREAMS(2 ASNs)
AS265417:AS-UPSTREAMS(4 ASNs)
AS-CTBC-CUSTOMERS34(50 ASNs)
AS-CTBC-CUSTOMERS86(50 ASNs)
AS-MMTELECOM(62 ASNs)
AS-MANDA-AMSIX-PEERS-V6(559 ASNs)
AS-MANDA-AMSIX-PEERS-V4(596 ASNs)
AS6777:AS-AMS-IX-RS-V6(733 ASNs)
AS3303:AS-SWCMPEERS(783 ASNs)
AS6777:AS-AMS-IX-RS(802 ASNs)
AS39521:AS-AMS-IX-PEERS(803 ASNs)
AS-IXBR-ATM6-SP(1,440 ASNs)
AS-53062-CUSTOMERS(1,531 ASNs)
AS-262391(1,532 ASNs)
AS-53062(1,532 ASNs)
AS-IXBR-ATM4-SP(1,706 ASNs)
AS263516:AS-IXBR(1,708 ASNs)
AS264517:AS-IXBR(1,708 ASNs)
AS264556:AS-IX(1,708 ASNs)
AS28263:AS-IX(1,713 ASNs)
AS-IXBR-SP(1,726 ASNs)
AS61716:AS-IX(1,726 ASNs)
AS61621:AS-CONE(1,742 ASNs)
AS-NORTE-NET-CONE(1,743 ASNs)
AS52999:AS-IX(1,912 ASNs)
AS262713:AS-LTEL-IXS(1,937 ASNs)
AS271387:AS-EMFIBRA-IXBR(1,937 ASNs)
AS-ULTRA(1,952 ASNs)
AS-CTGNET-CUT(2,544 ASNs)
AS-ITXBR(2,941 ASNs)
AS-ITXBR1(4,615 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-G8(6,078 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-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-CTBC(11,413 ASNs)
AS-SEABONECUSTLA(11,515 ASNs)
AS-FIORD(12,063 ASNs)
AS-FIORD-V6(12,063 ASNs)
AS-IHOME(12,653 ASNs)
AS-MTU-V6(13,582 ASNs)
AS2914:AS-SA-V6(14,359 ASNs)
AS2914:AS-SA(14,363 ASNs)
AS-ERTH(14,365 ASNs)
AS-SMRROUTESERVER(14,365 ASNs)
AS-OMTT-SET(14,375 ASNs)
AS-ULNIX(14,449 ASNs)
AS-KRS-IX-PEERS(14,475 ASNs)
AS-W-IX(14,497 ASNs)
AS-VLVROUTESERVER(14,501 ASNs)
AS-PITER-IX-TLL(14,528 ASNs)
AS57304:AS-RETN6-RU(14,630 ASNs)
AS57304:AS-RETN-RU(14,717 ASNs)
AS-SIBIR-IX(14,827 ASNs)
AS-RED-IX-PEERS(15,552 ASNs)
AS-SEABORN-CUSTOMER(16,137 ASNs)
AS-SEABORN-CORE(16,222 ASNs)
AS-KRD-RS(17,283 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-SEABORN(17,733 ASNs)
AS-SPBROUTESERVER(17,816 ASNs)
AS-CN2(17,842 ASNs)
AS-WIOCC(18,067 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-EDGEUNO(19,687 ASNs)
... and 307 more

Upstream AS Paths

57 unique paths, avg length 2.0

AS Looking Glass

Upstream paths (matching graph above)

AS955 → AS3356 → AS263998
AS8888 → AS1299 → AS3356 → AS263998
AS35008 → AS1299 → AS3356 → AS263998
AS2497 → AS3356 → AS263998
AS3257 → AS3356 → AS263998
AS3491 → AS3356 → AS263998
AS11399 → AS6939 → AS3356 → AS263998
AS150000 → AS6939 → AS3356 → AS263998
AS7018 → AS3356 → AS263998
AS7594 → AS3356 → AS263998
AS9002 → AS3356 → AS263998
AS14537 → AS3356 → AS263998
AS19653 → AS3356 → AS263998
AS25091 → AS3356 → AS263998
AS49544 → AS3356 → AS263998
AS209823 → AS3356 → AS263998
AS266213 → AS262355 → AS3356 → AS263998
AS35008 → AS6939 → AS23764 → AS263998
AS150000 → AS6939 → AS23764 → AS263998
AS209823 → AS6939 → AS23764 → AS263998

All 57 Upstream Paths

Complete list of all observed paths

AS2734 → AS3257 → AS174 → AS263998
AS7594 → AS174 → AS263998
AS150000 → AS18187 → AS174 → AS263998
AS955 → AS3356 → AS263998
AS8888 → AS1299 → AS3356 → AS263998
AS35008 → AS1299 → AS3356 → AS263998
AS2497 → AS3356 → AS263998
AS3257 → AS3356 → AS263998
AS3491 → AS3356 → AS263998
AS6939 → AS3356 → AS263998
AS11399 → AS6939 → AS3356 → AS263998
AS150000 → AS6939 → AS3356 → AS263998
AS7018 → AS3356 → AS263998
AS7594 → AS3356 → AS263998
AS9002 → AS3356 → AS263998
AS14537 → AS3356 → AS263998
AS19653 → AS3356 → AS263998
AS25091 → AS3356 → AS263998
AS49544 → AS3356 → AS263998
AS209823 → AS3356 → AS263998
AS266213 → AS262355 → AS3356 → AS263998
AS6057 → AS263998
AS6424 → AS263998
AS6939 → AS263998
AS2734 → AS6939 → AS263998
AS11399 → AS6939 → AS263998
AS150000 → AS18187 → AS6939 → AS263998
AS37721 → AS6939 → AS263998
AS150000 → AS6939 → AS263998
AS51185 → AS7195 → AS263998
AS14537 → AS263998
AS18106 → AS263998
AS6939 → AS23764 → AS263998
AS2516 → AS6939 → AS23764 → AS263998
AS19653 → AS6939 → AS23764 → AS263998
AS35008 → AS6939 → AS23764 → AS263998
AS140627 → AS6939 → AS23764 → AS263998
AS150000 → AS6939 → AS23764 → AS263998
AS208753 → AS6939 → AS23764 → AS263998
AS209823 → AS6939 → AS23764 → AS263998
AS398465 → AS6939 → AS23764 → AS263998
AS24482 → AS263998
AS32590 → AS263998
AS36236 → AS263998
AS37721 → AS263998
AS38001 → AS263998
AS38880 → AS263998
AS39120 → AS263998
AS60150 → AS48314 → AS263998
AS49544 → AS263998
AS3491 → AS6762 → AS53062 → AS263998
AS293 → AS16735 → AS53062 → AS263998
AS57463 → AS263998
AS262427 → AS263998
AS267613 → AS263998
AS269180 → AS263998

AS263998 IPv4 Address Subnets (14)

100.67.64.0/19	🇧🇷 BR		UNSPECIFIED
170.245.200.0/23	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
170.245.202.0/23	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
143.0.84.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
143.0.85.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
143.0.86.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
143.0.87.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
170.245.200.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
170.245.201.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
170.245.203.0/24	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED

AS263998 IPv6 Address Subnets (5)

2804:291c::/32	🇧🇷 BR	This is a Commcorp Telecom customer proxy route ob…	UNSPECIFIED
2804:291c::/36	🇧🇷 BR	SIM Telecom	UNSPECIFIED
2804:291c:1000::/36	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
2804:291c:4000::/40	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED
2804:291c:600::/40	🇧🇷 BR	SIM INTERNET PROVEDORES DE INTERNET EIRELI	UNSPECIFIED