ResearchRouting table, RPKI, IRR & looking glass

AS263390 FNT Telecomunicacoes e Acesso a Redes de Internet

AS263390 (AS263390) is registered to FNT Telecomunicacoes e Acesso a Redes de Internet in BR. It originates 35 prefixes in the global routing table.

30
IPv4 prefixes
5
IPv6 prefixes
4,096
IPv4 addresses
100%
RPKI valid
Registration

Who holds AS263390

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS263390
Handle
AS263390
Organization
FNT Telecomunicacoes e Acesso a Redes de Internet
Country
BR
ASPA
3 providers
Routing

What AS263390 announces

Prefixes originated by AS263390 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
30
IPv6 prefixes
5
IPv4 addresses
4,096 (16 /24s)
RPKI valid
35 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS263390
2
With an IRR route object
35 100%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (30)
177.222.176.0/20177.222.176.0/21177.222.176.0/22177.222.176.0/23177.222.176.0/24177.222.177.0/24177.222.178.0/23177.222.178.0/24177.222.179.0/24177.222.180.0/22177.222.180.0/23177.222.180.0/24177.222.181.0/24177.222.182.0/23177.222.182.0/24177.222.183.0/24177.222.184.0/21177.222.184.0/22177.222.184.0/23177.222.184.0/24177.222.185.0/24177.222.186.0/23177.222.186.0/24177.222.187.0/24177.222.188.0/22177.222.188.0/23177.222.189.0/24177.222.190.0/23177.222.190.0/24177.222.191.0/24
IPv6 (5)
2804:157c::/322804:157c::/342804:157c:4000::/342804:157c:8000::/342804:157c:c000::/34

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS263390 is reached through

The AS just before AS263390 in the paths our looking glass collectors hold, for 35 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS6939 HURRICANE 35AS52772 AS52772 8
ASPA

Provider authorization

AS263390 publishes an ASPA naming these providers. Check a path.

AS2914 NTT-DATA-2914AS52772 AS52772AS263009 AS263009
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
ALTDBAS263390-FNTMAINT-AS263390
TCAS-FNTMAINT-AS263390

Route objects with origin AS263390: ALTDB 38 · RADB 3 · TC 2

as-sets that list AS263390 (33)
AS-21574-CUSTOMERSAS-263009-FORTE-TCMAS-53427-TGLOBALAS-7738-BGP-CUSTOMERSAS-7738_CUSTOMERSAS-CTBC-CUSTOMERS159AS-CTBC-TOOLS-1AS-DECIX-RIO-CONNECTEDAS-DURAND1-CUSTOMERAS-E1-AUTOMATION-CUSTOMERAS-EC-RJAS-EMBRATELNETAS-FORTE-TELECOM-CUSTOMER-IX-CLOUDAS-FORTE-TELECOM-CUSTOMER-RJAS-FORTE-TELECOM-DOWNSTREAMSAS-HUGENET-FORTEAS-HURRICANEV6AS-IXBR-ATM4-RJAS-IXBR-IPV6-RJAS-IXBR-RJAS-K2TELECOM-COSTUMERSAS-OPENX-CUSTOMERSAS-PTTMETRO-ATM4-RJAS-SB-AUTOMATION-CUSTOMERAS-SJNET-CUSTOMERSAS-UFINET-LATAM-BRASILAS-UFLA-TRANSCUSTAS263390:AS-ALLAS263390:AS-FNTAS264054:AS-FALCON-UPSTREAMAS265038:AS-CUSTOMERSAS274726:AS-UPSTREAMSAS53013:AS-CONE
Tools

Check AS263390 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup