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AS28580

Cilnet Comunicação e Informática S.A.

AS28580 is Cilnet Comunicação e Informática S.A. (fasternet.com.br). It announces 77,824 IPv4 addresses in 163 prefixes, and 15 IPv6 prefixes.

Brazil· LACNIC· allocated 2005-01-17· isp

77,824
IPv4 addresses announced
163
IPv4 prefixes
15
IPv6 prefixes
6.74%
of its routes RPKI-valid
100
of its IPv4 geolocated
1
country

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. Brazil100 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

name
Cilnet Comunicação e Informática S.A.
org
04127856000183
org name
Cilnet Comunicação e Informática S.A.
country
BR
source
lacnic
status
DIRECT ALLOCATION
created
2005-01-17
updated
2026-05-13
descr
Cilnet Comunicação e Informática S.A.
abuse
IAN11
abuse name
Israel Arruda Neto
abuse kind
role
admin
IAN11
admin name
Israel Arruda Neto
admin kind
role

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

163 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
45.7.204.0/22—not found172026-10-02
45.7.204.0/23—not found42026-10-02
45.7.204.0/24—not found42026-10-02
45.7.205.0/24—not found42026-10-02
45.7.206.0/23—not found42026-10-02
45.7.206.0/24—not found42026-10-02
45.7.207.0/24—not found42026-10-02
45.166.124.0/22—not found172026-10-02
45.166.124.0/23—not found42026-10-02
45.166.124.0/24—not found42026-10-02
45.166.125.0/24—not found42026-10-02
45.166.126.0/23—not found42026-10-02
45.166.127.0/24—not found42026-10-02
45.170.140.0/22—not found172026-10-02
45.170.140.0/23—not found42026-10-02
45.170.140.0/24—not found42026-10-02
45.170.141.0/24—not found42026-10-02
45.170.142.0/23—not found42026-10-02
45.170.142.0/24—not found42026-10-02
45.170.143.0/24—not found42026-10-02
45.224.76.0/22—not found172026-10-02
45.224.76.0/23—not found42026-10-02
45.224.76.0/24—not found42026-10-02
45.224.77.0/24—not found42026-10-02
45.224.78.0/23—not found42026-10-02
45.224.78.0/24—not found42026-10-02
45.237.16.0/22—not found172026-10-02
45.237.16.0/23—not found42026-10-02
45.237.18.0/23—not found42026-10-02
138.0.180.0/22—not found172026-10-02
138.0.180.0/23—not found42026-10-02
138.0.180.0/24—not found42026-10-02
138.0.181.0/24—not found42026-10-02
138.0.182.0/23—not found42026-10-02
138.0.182.0/24—not found42026-10-02
138.0.183.0/24—not found42026-10-02
138.122.68.0/22—not found172026-10-02
138.122.68.0/23—not found42026-10-02
138.122.70.0/23—not found42026-10-02
138.186.180.0/22—not found172026-10-02
138.186.180.0/23—not found42026-10-02
138.186.180.0/24—not found42026-10-02
138.186.181.0/24—not found42026-10-02
138.186.182.0/23—not found42026-10-02
138.186.182.0/24—not found42026-10-02
138.186.183.0/24—not found42026-10-02
143.0.232.0/22—not found172026-10-02
168.90.184.0/22—not found172026-10-02
168.90.184.0/23—not found42026-10-02
168.90.184.0/24—not found42026-10-02
168.90.185.0/24—not found42026-10-02
168.90.186.0/23—not found42026-10-02
168.90.186.0/24—not found42026-10-02
168.90.187.0/24—not found42026-10-02
168.194.4.0/22—not found172026-10-02
168.194.4.0/23—not found42026-10-02
168.194.4.0/24—not found42026-10-02
168.194.5.0/24—not found42026-10-02
168.194.6.0/23—not found42026-10-02
168.194.6.0/24—not found42026-10-02
168.194.7.0/24—not found42026-10-02
168.194.228.0/22—not found172026-10-02
168.194.228.0/23—not found42026-10-02
168.194.228.0/24—not found42026-10-02
168.194.229.0/24—not found42026-10-02
168.194.230.0/23—not found42026-10-02
168.194.230.0/24—not found42026-10-02
168.194.231.0/24—not found42026-10-02
170.245.20.0/22—not found172026-10-02
170.245.20.0/23—not found42026-10-02
170.245.22.0/23—not found42026-10-02
170.247.116.0/22—not found172026-10-02
170.247.116.0/23—not found42026-10-02
170.247.118.0/23—not found42026-10-02
177.85.40.0/22—not found172026-10-02
177.85.40.0/23—not found42026-10-02
177.85.40.0/24—not found42026-10-02
177.85.41.0/24—not found42026-10-02
177.85.42.0/23—not found42026-10-02
177.85.42.0/24—not found42026-10-02
177.85.43.0/24—not found42026-10-02
177.101.48.0/20—not found172026-10-02
177.101.48.0/21—not found42026-10-02
177.101.56.0/21—not found42026-10-02
186.224.128.0/19—not found172026-10-02
186.224.160.0/19—not found172026-10-02
187.45.0.0/20—not found172026-10-02
187.45.8.0/21—not found42026-10-02
187.45.8.0/22—not found42026-10-02
187.45.12.0/22—not found42026-10-02
187.45.16.0/20—not found172026-10-02
187.45.24.0/21—not found42026-10-02
187.45.24.0/22—not found42026-10-02
187.45.28.0/22—not found172026-10-02
187.45.28.0/23—not found42026-10-02
187.45.28.0/24—not found42026-10-02
187.45.29.0/24—not found42026-10-02
187.45.30.0/23—not found42026-10-02
187.45.30.0/24—not found42026-10-02
187.84.0.0/20—not found172026-10-02
187.84.0.0/21—not found42026-10-02
187.84.0.0/22—not found42026-10-02
187.84.4.0/22—not found42026-10-02
187.84.8.0/21—not found42026-10-02
187.84.8.0/22—not found42026-10-02
187.84.12.0/22—not found42026-10-02
189.28.224.0/20—not found172026-10-02
189.28.224.0/21—not found42026-10-02
189.28.224.0/22—not found42026-10-02
189.28.228.0/22—not found42026-10-02
189.28.232.0/21—not found42026-10-02
189.28.232.0/22—not found42026-10-02
189.28.236.0/22—not found42026-10-02
189.28.236.0/24—not found42026-10-02
189.28.240.0/20—not found172026-10-02
189.28.240.0/21—not found42026-10-02
189.28.240.0/22—not found42026-10-02
189.28.244.0/22—not found42026-10-02
189.28.248.0/21—not found42026-10-02
189.28.248.0/22—not found42026-10-02
189.28.252.0/22—not found42026-10-02
189.51.208.0/20—not found172026-10-02
189.51.208.0/21—not found42026-10-02
189.51.208.0/22—not found42026-10-02
189.51.212.0/22—not found42026-10-02
189.51.216.0/21—not found42026-10-02
189.51.216.0/22—not found42026-10-02
189.51.220.0/22—not found42026-10-02
191.253.240.0/20—not found172026-10-02
191.253.240.0/21—not found42026-10-02
191.253.240.0/22—not found42026-10-02
191.253.244.0/22—not found42026-10-02
191.253.248.0/21—not found42026-10-02
191.253.248.0/22—not found42026-10-02
191.253.252.0/22—not found42026-10-02
200.187.80.0/20—not found172026-10-02
200.187.80.0/21—not found42026-10-02
200.187.80.0/22—not found42026-10-02
200.187.84.0/22—not found42026-10-02
200.187.88.0/21—not found42026-10-02
200.187.88.0/22—not found42026-10-02
200.187.92.0/22—not found42026-10-02
201.46.32.0/20—not found172026-10-02
201.46.32.0/21—not found42026-10-02
201.46.32.0/22—not found42026-10-02
201.46.36.0/22—not found42026-10-02
201.46.40.0/21—not found42026-10-02
201.46.40.0/22—not found42026-10-02
201.46.44.0/22—not found42026-10-02
201.46.48.0/20—not found172026-10-02
201.46.48.0/21—not found42026-10-02
201.46.48.0/22—not found42026-10-02
201.46.52.0/22—not found42026-10-02
201.46.56.0/21—not found42026-10-02
201.46.56.0/22—not found42026-10-02
201.46.60.0/22—not found42026-10-02
201.150.100.0/22—not found172026-10-02
201.150.100.0/23—not found42026-10-02
201.150.100.0/24—not found42026-10-02
201.150.101.0/24—not found42026-10-02
201.150.102.0/23—not found42026-10-02
201.150.102.0/24—not found42026-10-02
201.150.103.0/24—not found42026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

15 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2804:90::/32Brazilnot found202026-10-02
2804:90::/33Brazilnot found102026-10-02
2804:90:8000::/33Brazilnot found102026-10-02
2804:5f4:c001::/48—valid202026-10-02
2804:5f4:c002::/48—valid202026-10-02
2804:5f4:c003::/48—valid202026-10-02
2804:5f4:c011::/48—valid202026-10-02
2804:5f4:c012::/48—valid202026-10-02
2804:5f4:c013::/48—valid202026-10-02
2804:5f4:c021::/48—valid202026-10-02
2804:5f4:c022::/48—valid202026-10-02
2804:5f4:c023::/48—valid202026-10-02
2804:5f4:c031::/48—valid202026-10-02
2804:5f4:c032::/48—valid202026-10-02
2804:5f4:c033::/48—valid202026-10-02
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