ResearchRouting table, RPKI, IRR & looking glass

AS264738 Sebastian Souto (SSSERVICIOS)

AS264738 (AS264738) is registered to Sebastian Souto (SSSERVICIOS) in AR, through LACNIC. It originates 56 prefixes in the global routing table.

24
IPv4 prefixes
32
IPv6 prefixes
4,608
IPv4 addresses
94%
RPKI valid
Registration

Who holds AS264738

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

AS number
AS264738
Handle
AS264738
Organization
Sebastian Souto (SSSERVICIOS)
Country
AR
Registry
LACNIC
ASPA
None published
WHOIS recordLACNIC
% IP Client: 2607:e580:0:141:0:0:0:100
 
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%  This server accepts single ASN, IPv4 or IPv6 queries

% LACNIC resource: whois.lacnic.net


% Copyright LACNIC lacnic.net
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%  only for lawful purposes.
%  2026-10-14 09:56:26 (-03 -03:00)

aut-num:     AS264738
owner:       Sebastian Souto (SSSERVICIOS)
ownerid:     AR-SSSE-LACNIC
responsible: Sebastian Souto
address:     Dr. Raul Alfonsín, 433, -
address:     9400 - Rio Gallegos - SC
country:     AR
phone:       +54  29662966591573 [0000]
owner-c:     SES54
routing-c:   SES54
abuse-c:     SES54
created:     20160721
changed:     20160721
inetnum:     170.233.116.0/22
inetnum:     2803:5440::/32
inetnum:     138.118.212.0/22

nic-hdl:     SES54
person:      Sebastian Souto
e-mail:      sebastiansouto@ssservicios.com.ar
address:     Av. Presidente Dr. Nestor Carlos Kirchner, 1621, 
address:     9400 - Rio Gallegos - SC
country:     AR
phone:       +0054 2966 15591573
created:     20150122
changed:     20220215

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% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.
Routing

What AS264738 announces

Prefixes originated by AS264738 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
24
IPv6 prefixes
32
IPv4 addresses
4,608 (18 /24s)
RPKI valid
53 94%
RPKI invalid
0
RPKI not found
3
ROAs naming AS264738
6
With an IRR route object
24 42%
Prefixes

Announced prefixes

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

IPv4 (24)
38.225.222.0/2338.225.222.0/2438.225.223.0/24138.118.212.0/22138.118.212.0/24138.118.213.0/24138.118.214.0/24138.118.215.0/24167.249.54.0/23167.249.54.0/24167.249.55.0/24170.233.28.0/22170.233.28.0/24170.233.29.0/24170.233.30.0/24170.233.31.0/24170.233.116.0/22170.233.116.0/24170.233.117.0/24170.233.118.0/24170.233.119.0/24181.191.142.0/23181.191.142.0/24181.191.143.0/24
IPv6 (32)
2803:5440::/482803:5440:ca::/482803:5440:aca::/482803:5440:4030::/482803:5440:4031::/482803:5440:4032::/482803:5440:4033::/482803:5440:4034::/482803:5440:4035::/482803:5440:4036::/482803:5440:4037::/482803:5440:4038::/482803:5440:4039::/482803:5440:4040::/482803:5440:4041::/482803:5440:4048::/482803:5440:4049::/482803:5440:4050::/482803:5440:4051::/482803:5440:4053::/482803:5440:4054::/482803:5440:4055::/482803:5440:4056::/482803:5440:4060::/482803:5440:4064::/482803:5440:4065::/482803:5440:4067::/482803:5440:4068::/482803:5440:4069::/482803:5440:cace::/482803:5440:face::/482803:5440:ffff::/48

RPKI valid   RPKI invalid   no ROA covers it

Upstreams

Who AS264738 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 3 upstreams.

AS22927 AS22927AS52361 AS52361AS11664 AS11664
Downstreams

Who buys transit from AS264738

None seen: AS264738 does not appear to provide transit to anyone.

IRR

Routing registry objects

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

Sourceas-nameMaintained by
LACNICAS264738MNT-AR-SSSE-LACNIC

Route objects with origin AS264738: RADB 25 · LACNIC 6

as-sets that list AS264738 (5)
AS-28513AS-CLARO-AUP-CUSTOMERSAS-E1-AUTOMATION-CUSTOMERAS22927:AS-TEFARGENTINAAS52361:AS-SEBASTIANSOUTO
Tools

Check AS264738 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup