AS27747 Telecentro S.A.
AS27747 (AS27747) is registered to Telecentro S.A. in AR. It originates 528 prefixes in the global routing table.
503
IPv4 prefixes
25
IPv6 prefixes
623,616
IPv4 addresses
99%
RPKI valid
Registration
Who holds AS27747
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS27747
Handle
AS27747
Organization
Telecentro S.A.
Country
AR
ASPA
None published
Routing
What AS27747 announces
Prefixes originated by AS27747 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
503
IPv6 prefixes
25
IPv4 addresses
623,616 (2,436 /24s)
RPKI valid
526 99%
RPKI invalid
0
RPKI not found
2
ROAs naming AS27747
13
With an IRR route object
17 3%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (503)
168.194.180.0/22181.44.0.0/15181.44.0.0/20181.44.0.0/21181.44.8.0/21181.44.16.0/20181.44.16.0/21181.44.24.0/21181.44.32.0/20181.44.32.0/21181.44.40.0/21181.44.48.0/20181.44.48.0/21181.44.56.0/21181.44.64.0/20181.44.64.0/21181.44.68.0/24181.44.72.0/21181.44.80.0/20181.44.80.0/21181.44.88.0/21181.44.96.0/20181.44.96.0/21181.44.104.0/21181.44.112.0/20181.44.112.0/21181.44.116.0/24181.44.120.0/21181.44.127.0/24181.44.128.0/20181.44.128.0/21181.44.136.0/21181.44.144.0/20181.44.144.0/21181.44.152.0/21181.44.160.0/20181.44.160.0/21181.44.168.0/21181.44.176.0/20181.44.176.0/21181.44.184.0/21181.44.192.0/20181.44.192.0/21181.44.200.0/21181.44.208.0/20181.44.208.0/21181.44.216.0/21181.44.224.0/20181.44.224.0/21181.44.232.0/21181.44.240.0/20181.44.240.0/21181.44.248.0/21181.45.0.0/20181.45.0.0/21181.45.4.0/24181.45.8.0/21181.45.16.0/20181.45.16.0/21181.45.24.0/21181.45.32.0/20181.45.32.0/21181.45.40.0/21181.45.48.0/20181.45.48.0/21181.45.56.0/21181.45.64.0/20181.45.64.0/21181.45.64.0/24181.45.72.0/21181.45.80.0/20181.45.80.0/21181.45.88.0/21181.45.96.0/20181.45.96.0/21181.45.104.0/21181.45.112.0/20181.45.112.0/21181.45.119.0/24181.45.120.0/21181.45.128.0/20181.45.128.0/21181.45.136.0/21181.45.144.0/20181.45.144.0/21181.45.152.0/21181.45.160.0/20181.45.160.0/21181.45.168.0/21181.45.176.0/20181.45.176.0/21181.45.184.0/21181.45.192.0/20181.45.192.0/21181.45.200.0/21181.45.208.0/20181.45.208.0/21181.45.216.0/21181.45.224.0/20181.45.224.0/21181.45.232.0/21181.45.240.0/20181.45.240.0/21181.45.248.0/21181.45.248.0/24181.45.252.0/24181.46.0.0/15181.46.0.0/20181.46.0.0/21181.46.8.0/21181.46.16.0/20181.46.16.0/21181.46.24.0/21181.46.32.0/20181.46.32.0/21181.46.40.0/21181.46.48.0/20181.46.48.0/21181.46.56.0/21181.46.64.0/20
Show 383 more
181.46.64.0/21181.46.72.0/21181.46.79.0/24181.46.80.0/20181.46.80.0/21181.46.88.0/21181.46.96.0/20181.46.96.0/21181.46.104.0/21181.46.112.0/20181.46.112.0/21181.46.120.0/21181.46.128.0/20181.46.128.0/21181.46.136.0/21181.46.144.0/20181.46.144.0/21181.46.152.0/21181.46.160.0/20181.46.160.0/21181.46.168.0/21181.46.176.0/20181.46.176.0/21181.46.184.0/21181.46.192.0/20181.46.192.0/21181.46.200.0/21181.46.208.0/20181.46.208.0/21181.46.209.0/24181.46.216.0/21181.46.224.0/20181.46.224.0/21181.46.232.0/21181.46.240.0/20181.46.240.0/21181.46.248.0/21181.47.0.0/20181.47.0.0/21181.47.8.0/21181.47.16.0/20181.47.16.0/21181.47.19.0/24181.47.24.0/21181.47.32.0/20181.47.32.0/21181.47.40.0/21181.47.48.0/20181.47.48.0/21181.47.56.0/21181.47.64.0/20181.47.64.0/21181.47.72.0/21181.47.80.0/20181.47.80.0/21181.47.88.0/21181.47.96.0/20181.47.96.0/21181.47.104.0/21181.47.112.0/20181.47.112.0/21181.47.120.0/21181.47.128.0/20181.47.128.0/21181.47.135.0/24181.47.136.0/21181.47.144.0/20181.47.144.0/21181.47.152.0/21181.47.160.0/20181.47.160.0/21181.47.168.0/21181.47.176.0/20181.47.176.0/21181.47.184.0/21181.47.184.0/24181.47.192.0/20181.47.192.0/21181.47.200.0/21181.47.208.0/20181.47.208.0/21181.47.216.0/21181.47.224.0/20181.47.224.0/21181.47.232.0/21181.47.240.0/20181.47.240.0/21181.47.240.0/24181.47.241.0/24181.47.242.0/24181.47.243.0/24181.47.248.0/21181.47.248.0/24181.47.254.0/24186.18.0.0/16186.18.0.0/20186.18.0.0/21186.18.8.0/21186.18.16.0/20186.18.16.0/21186.18.24.0/21186.18.32.0/20186.18.32.0/21186.18.40.0/21186.18.48.0/20186.18.48.0/21186.18.56.0/21186.18.64.0/20186.18.64.0/21186.18.72.0/21186.18.80.0/20186.18.80.0/21186.18.88.0/21186.18.96.0/20186.18.96.0/21186.18.104.0/21186.18.112.0/20186.18.112.0/21186.18.120.0/21186.18.128.0/20186.18.128.0/21186.18.136.0/21186.18.144.0/20186.18.144.0/21186.18.152.0/21186.18.160.0/20186.18.160.0/21186.18.168.0/21186.18.176.0/20186.18.176.0/21186.18.184.0/21186.18.192.0/20186.18.192.0/21186.18.200.0/21186.18.208.0/20186.18.208.0/21186.18.216.0/21186.18.224.0/20186.18.224.0/21186.18.232.0/21186.18.240.0/20186.18.240.0/21186.18.248.0/21186.19.0.0/16186.19.0.0/20186.19.0.0/21186.19.8.0/21186.19.16.0/20186.19.16.0/21186.19.24.0/21186.19.32.0/20186.19.32.0/21186.19.40.0/21186.19.48.0/20186.19.48.0/21186.19.56.0/21186.19.64.0/20186.19.64.0/21186.19.80.0/20186.19.80.0/21186.19.88.0/21186.19.96.0/20186.19.96.0/21186.19.104.0/21186.19.112.0/20186.19.112.0/21186.19.120.0/21186.19.128.0/20186.19.128.0/21186.19.136.0/21186.19.144.0/20186.19.144.0/21186.19.152.0/21186.19.160.0/20186.19.160.0/21186.19.168.0/21186.19.176.0/20186.19.176.0/21186.19.184.0/21186.19.192.0/20186.19.192.0/21186.19.200.0/21186.19.208.0/21186.19.216.0/24186.19.217.0/24186.19.224.0/20186.19.224.0/21186.19.232.0/21186.19.240.0/20186.19.240.0/21186.19.248.0/21186.22.0.0/15186.22.0.0/20186.22.0.0/21186.22.8.0/21186.22.16.0/20186.22.16.0/21186.22.24.0/21186.22.32.0/20186.22.32.0/21186.22.40.0/21186.22.48.0/20186.22.48.0/21186.22.56.0/21186.22.64.0/20186.22.64.0/21186.22.72.0/21186.22.80.0/20186.22.80.0/21186.22.88.0/21186.22.96.0/20186.22.96.0/21186.22.104.0/21186.22.112.0/20186.22.112.0/21186.22.120.0/21186.22.128.0/20186.22.128.0/21186.22.136.0/21186.22.144.0/20186.22.144.0/21186.22.152.0/21186.22.160.0/20186.22.160.0/21186.22.168.0/21186.22.176.0/20186.22.176.0/21186.22.184.0/21186.22.192.0/20186.22.192.0/21186.22.200.0/21186.22.208.0/20186.22.208.0/21186.22.216.0/21186.22.224.0/20186.22.224.0/21186.22.225.0/24186.22.232.0/21186.22.240.0/20186.22.240.0/21186.22.248.0/21186.23.0.0/20186.23.0.0/21186.23.8.0/21186.23.16.0/20186.23.16.0/21186.23.24.0/21186.23.32.0/20186.23.32.0/21186.23.40.0/21186.23.48.0/20186.23.48.0/21186.23.56.0/21186.23.64.0/20186.23.64.0/21186.23.72.0/21186.23.80.0/20186.23.80.0/21186.23.88.0/21186.23.96.0/20186.23.96.0/21186.23.104.0/21186.23.112.0/20186.23.112.0/21186.23.120.0/21186.23.128.0/20186.23.128.0/21186.23.136.0/21186.23.144.0/20186.23.144.0/21186.23.144.0/24186.23.152.0/21186.23.160.0/20186.23.160.0/21186.23.168.0/21186.23.176.0/20186.23.176.0/21186.23.184.0/21186.23.192.0/20186.23.192.0/21186.23.200.0/21186.23.208.0/20186.23.208.0/21186.23.215.0/24186.23.216.0/21186.23.224.0/20186.23.224.0/21186.23.232.0/21186.23.240.0/20186.23.240.0/21186.23.248.0/21186.23.252.0/24186.23.255.0/24190.55.0.0/18190.55.0.0/20190.55.0.0/21190.55.8.0/21190.55.16.0/20190.55.16.0/21190.55.24.0/21190.55.32.0/20190.55.32.0/21190.55.40.0/21190.55.40.0/24190.55.48.0/20190.55.48.0/21190.55.56.0/21190.55.60.0/24190.55.62.0/24190.55.63.0/24190.55.64.0/18190.55.64.0/20190.55.64.0/21190.55.72.0/21190.55.80.0/20190.55.80.0/21190.55.88.0/21190.55.96.0/20190.55.96.0/21190.55.104.0/21190.55.112.0/20190.55.112.0/21190.55.120.0/21190.55.128.0/18190.55.128.0/20190.55.128.0/21190.55.136.0/21190.55.144.0/20190.55.144.0/21190.55.152.0/21190.55.154.0/24190.55.160.0/20190.55.160.0/21190.55.168.0/21190.55.176.0/20190.55.176.0/21190.55.184.0/21190.55.192.0/18190.55.192.0/20190.55.192.0/21190.55.199.0/24190.55.200.0/21190.55.208.0/20190.55.208.0/21190.55.216.0/21190.55.224.0/20190.55.224.0/21190.55.232.0/21190.55.240.0/20190.55.240.0/21190.55.248.0/21190.55.248.0/24190.55.252.0/24200.115.192.0/20200.115.192.0/21200.115.192.0/24200.115.193.0/24200.115.194.0/24200.115.200.0/21200.115.203.0/24200.115.208.0/20200.115.208.0/21200.115.216.0/21200.115.224.0/20200.115.224.0/21200.115.232.0/21200.115.240.0/20200.115.240.0/21200.115.248.0/21200.115.254.0/24200.125.64.0/19200.125.64.0/20200.125.64.0/21200.125.72.0/21200.125.80.0/20200.125.80.0/21200.125.88.0/21200.125.96.0/19200.125.96.0/20200.125.96.0/21200.125.104.0/21200.125.112.0/21200.125.120.0/21
IPv6 (25)
2800:810::/282800:810::/312800:810::/322800:810:208::/482800:810:400::/412800:810:400::/422800:810:401::/482800:810:480::/412800:810:500::/422800:810:580::/412800:811::/322800:812::/322800:813::/322800:814::/322800:815::/322800:816::/322800:817::/322800:818::/322800:819::/322800:81a::/322800:81b::/322800:81c::/322800:81d::/322800:81e::/322800:81f::/32
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS27747 is reached through
The AS just before AS27747 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
ASPA
Provider authorization
AS27747 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.
The 1 ASes that name AS27747 as a provider
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| LACNIC | AS27747 | MNT-AR-TESA26-LACNIC |
Route objects with origin AS27747: LEVEL3 15 · LACNIC 13 · RADB 1
as-sets that list AS27747 (11)