AS28201 Companhia Itabirana Telecomunicacoes Ltda
AS28201 (AS28201) is registered to Companhia Itabirana Telecomunicacoes Ltda in BR. It originates 236 prefixes in the global routing table.
235
IPv4 prefixes
1
IPv6 prefixes
68,608
IPv4 addresses
100%
RPKI valid
Registration
Who holds AS28201
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS28201
Handle
AS28201
Organization
Companhia Itabirana Telecomunicacoes Ltda
Country
BR
ASPA
None published
Routing
What AS28201 announces
Prefixes originated by AS28201 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
235
IPv6 prefixes
1
IPv4 addresses
68,608 (268 /24s)
RPKI valid
236 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS28201
34
With an IRR route object
236 100%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (235)
45.7.212.0/2245.7.212.0/2345.7.214.0/2345.161.140.0/2245.161.140.0/2345.161.142.0/2345.191.168.0/2245.191.168.0/2345.191.170.0/2345.231.8.0/2245.231.8.0/2345.231.10.0/2345.235.116.0/2245.235.116.0/2345.235.118.0/23131.161.4.0/22131.161.4.0/23131.161.6.0/23138.59.20.0/22138.59.20.0/23138.59.22.0/23138.117.204.0/22138.117.204.0/23138.117.206.0/23138.121.64.0/22138.121.64.0/23138.121.66.0/23138.185.24.0/22138.185.24.0/23138.185.26.0/23168.181.80.0/22168.181.80.0/23168.181.82.0/23168.195.64.0/22168.195.64.0/23168.195.66.0/23168.227.8.0/22168.227.8.0/23168.227.10.0/23170.239.192.0/22170.239.192.0/23170.239.194.0/23170.239.220.0/22170.239.220.0/23170.239.222.0/23170.254.160.0/22170.254.160.0/23170.254.162.0/23177.125.80.0/21177.125.80.0/22177.125.80.0/23177.125.82.0/23177.125.84.0/22177.125.84.0/23177.125.86.0/23177.125.88.0/21177.125.88.0/22177.125.88.0/23177.125.90.0/23177.125.92.0/22177.125.92.0/23177.125.94.0/23177.152.160.0/20177.152.160.0/21177.152.160.0/22177.152.160.0/23177.152.162.0/23177.152.164.0/22177.152.164.0/23177.152.166.0/23177.152.168.0/21177.152.168.0/22177.152.168.0/23177.152.170.0/23177.152.172.0/22177.152.172.0/23177.152.174.0/23177.221.72.0/21177.221.72.0/22177.221.72.0/23177.221.74.0/23177.221.76.0/22177.221.76.0/23177.221.78.0/23179.108.32.0/21179.108.32.0/22179.108.32.0/23179.108.34.0/23179.108.36.0/22179.108.36.0/23179.108.38.0/23179.108.40.0/22179.108.40.0/23179.108.42.0/23179.189.96.0/20179.189.96.0/21179.189.96.0/22179.189.96.0/23179.189.98.0/23179.189.100.0/22179.189.100.0/23179.189.102.0/23179.189.104.0/21179.189.104.0/22179.189.104.0/23179.189.106.0/23179.189.108.0/22179.189.108.0/23179.189.110.0/23181.225.180.0/22181.225.180.0/23181.225.182.0/23186.216.128.0/20186.216.128.0/21186.216.128.0/22186.216.128.0/23186.216.130.0/23186.216.132.0/22186.216.132.0/23186.216.134.0/23
Show 115 more
186.216.136.0/21186.216.136.0/22186.216.136.0/23186.216.138.0/23186.216.140.0/22186.216.140.0/23186.216.142.0/23186.251.200.0/22186.251.200.0/23186.251.202.0/23187.1.48.0/20187.1.48.0/21187.1.48.0/22187.1.48.0/23187.1.50.0/23187.1.52.0/22187.1.52.0/23187.1.54.0/23187.1.56.0/21187.1.56.0/22187.1.56.0/23187.1.58.0/23187.1.60.0/22187.1.60.0/23187.1.62.0/23187.17.240.0/20187.17.240.0/21187.17.240.0/22187.17.240.0/23187.17.242.0/23187.17.244.0/22187.17.244.0/23187.17.246.0/23187.17.248.0/21187.17.248.0/22187.17.248.0/23187.17.250.0/23187.17.252.0/22187.17.252.0/23187.17.254.0/23187.73.0.0/20187.73.0.0/21187.73.0.0/22187.73.0.0/23187.73.2.0/23187.73.4.0/22187.73.4.0/23187.73.6.0/23187.73.8.0/21187.73.8.0/22187.73.8.0/23187.73.10.0/23187.73.12.0/22187.73.12.0/23187.73.14.0/23187.86.64.0/20187.86.64.0/21187.86.64.0/22187.86.64.0/23187.86.66.0/23187.86.68.0/22187.86.68.0/23187.86.70.0/23187.86.72.0/21187.86.72.0/22187.86.72.0/23187.86.74.0/23187.86.76.0/22187.86.76.0/23187.86.78.0/23187.108.48.0/20187.108.48.0/21187.108.48.0/22187.108.48.0/23187.108.50.0/23187.108.52.0/22187.108.52.0/23187.108.54.0/23187.108.56.0/21187.108.56.0/22187.108.56.0/23187.108.58.0/23187.108.60.0/22187.108.60.0/23187.108.62.0/23189.90.240.0/20189.90.240.0/21189.90.240.0/22189.90.240.0/23189.90.242.0/23189.90.244.0/22189.90.244.0/23189.90.246.0/23189.90.248.0/21189.90.248.0/22189.90.248.0/23189.90.250.0/23189.90.252.0/22189.90.252.0/23189.90.254.0/23191.5.80.0/20191.5.80.0/21191.5.80.0/22191.5.80.0/23191.5.82.0/23191.5.84.0/22191.5.84.0/23191.5.86.0/23191.5.88.0/21191.5.88.0/22191.5.88.0/23191.5.90.0/23191.5.92.0/22191.5.92.0/23191.5.94.0/23
IPv6 (1)
RPKI valid RPKI invalid no ROA covers it
Upstreams
Who AS28201 buys transit from
Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 6 upstreams.
Downstreams
Who buys transit from AS28201
15 downstreams, its customers; those marked ASPA name AS28201 as a provider in theirs.
ASPA
Provider authorization
AS28201 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.
The 1 ASes that name AS28201 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 |
|---|---|---|
| RADB | VALENET | MAINT-AS28201 |
Route objects with origin AS28201: RADB 510
as-sets that list AS28201 (45)first 40 shown
AS-28124AS-53062-CUSTOMERSAS-AMERICANTOWERAS-ARBINET-NYC-BUYERSAS-CEMIGTELECOM-CLIENTESAS-CTBC-CUSTOMERS2AS-CTBC-TOOLS-11AS-DURAND1-CUSTOMERAS-FLYSAS-GNT-CUSTOMERSAS-HURRICANEAS-HURRICANEV6AS-HWNG-DOWNSTREAMSAS-IXBR-ATM4-MGAS-IXBR-ATM4-RJAS-IXBR-ATM4-SPAS-IXBR-ATM6-MGAS-IXBR-ATM6-RJAS-IXBR-ATM6-SPAS-IXBR-IPV6-MGAS-IXBR-IPV6-SPAS-IXBR-LG4-MGAS-IXBR-LG4-RJAS-IXBR-LG4-SPAS-IXBR-LG6-RJAS-IXBR-LG6-SPAS-IXBR-MGAS-IXBR-RJAS-IXBR-SPAS-IXBR-TRANSIT4-MGAS-IXBR-TRANSIT4-RJAS-IXBR-TRANSIT6-MGAS-K2TELECOM-COSTUMERSAS-LUMEN-CUSTOMERS-ASNSAS-PTTMETRO-ATM4-MGAS-PTTMETRO-ATM4-SPAS-PTTMETRO-MGAS-PTTMETRO-SPAS-TERAHCLOUD-CUSTUMERSAS263261:AS-UPSTREAMS