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AS28509

AS28509 is Cablemas Telecomunicaciones SA de CV.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS28509 belongs to Cablemas Telecomunicaciones SA de CV. DB-IP Lite attributes 289,280 IPv4 addresses in 139 ranges and 9 IPv6 ranges to it, all or nearly all of the IPv4 space in Mexico. The number is registered with LACNIC in Mexico on 25 Apr 2005.

Facts for AS28509
Operator (DB-IP)Cablemas Telecomunicaciones SA de CV
IPv4 addresses289,280
IPv4 ranges139
IPv6 ranges9
RegistryLACNIC
Registered25 Apr 2005
Registry countryMexico (MX)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Cablemas Telecomunicaciones SA de CV hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 9 IPv6 ranges for AS28509, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

MX100%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
148.243.99.0 – 148.243.99.255148.243.99.0/24256
148.245.246.0 – 148.245.246.255148.245.246.0/24256
177.236.0.0 – 177.236.15.255177.236.0.0/204,096
177.236.32.0 – 177.236.47.255177.236.32.0/204,096
177.236.166.0 – 177.236.167.255177.236.166.0/23512
177.236.169.0 – 177.236.171.255177.236.169.0/24, 177.236.170.0/23768
177.236.175.0 – 177.236.175.255177.236.175.0/24256
177.236.192.0 – 177.236.255.255177.236.192.0/1816,384
177.237.240.0 – 177.238.24.255177.237.240.0/20, 177.238.0.0/20 …10,496
177.238.27.0 – 177.238.27.255177.238.27.0/24256
177.238.32.0 – 177.238.48.255177.238.32.0/20, 177.238.48.0/244,352
177.238.50.0 – 177.238.50.255177.238.50.0/24256
177.238.144.0 – 177.238.159.255177.238.144.0/204,096
177.238.186.0 – 177.238.186.255177.238.186.0/24256
177.238.191.0 – 177.238.191.255177.238.191.0/24256
177.238.208.0 – 177.238.231.255177.238.208.0/20, 177.238.224.0/216,144
177.238.239.0 – 177.238.239.255177.238.239.0/24256
177.238.248.0 – 177.238.248.255177.238.248.0/24256
177.238.254.0 – 177.238.254.255177.238.254.0/24256
177.239.80.0 – 177.239.95.255177.239.80.0/204,096
177.239.109.0 – 177.239.111.255177.239.109.0/24, 177.239.110.0/23768
177.239.115.0 – 177.239.115.255177.239.115.0/24256
177.239.117.0 – 177.239.127.255177.239.117.0/24, 177.239.118.0/23 …2,816
177.239.169.0 – 177.239.169.255177.239.169.0/24256
177.239.171.0 – 177.239.171.255177.239.171.0/24256
177.239.173.0 – 177.239.175.255177.239.173.0/24, 177.239.174.0/23768
177.239.200.0 – 177.239.207.255177.239.200.0/212,048
177.239.220.0 – 177.239.223.255177.239.220.0/221,024
177.239.237.0 – 177.239.237.255177.239.237.0/24256
177.239.240.0 – 177.239.255.255177.239.240.0/204,096
187.184.0.0 – 187.184.0.255187.184.0.0/24256
187.184.4.0 – 187.184.11.255187.184.4.0/22, 187.184.8.0/222,048
187.185.14.0 – 187.185.15.255187.185.14.0/23512
187.185.32.0 – 187.185.39.255187.185.32.0/212,048
187.185.47.0 – 187.185.47.255187.185.47.0/24256
187.185.56.0 – 187.185.63.255187.185.56.0/212,048
187.185.69.0 – 187.185.70.255187.185.69.0/24, 187.185.70.0/24512
187.185.80.0 – 187.185.87.255187.185.80.0/212,048
187.185.112.0 – 187.185.127.255187.185.112.0/204,096
187.185.160.0 – 187.185.167.255187.185.160.0/212,048
187.185.172.0 – 187.185.187.255187.185.172.0/22, 187.185.176.0/21 …4,096
187.185.190.0 – 187.185.207.255187.185.190.0/23, 187.185.192.0/204,608
187.185.228.0 – 187.185.228.255187.185.228.0/24256
187.252.1.0 – 187.252.1.255187.252.1.0/24256
187.252.11.0 – 187.252.11.255187.252.11.0/24256
187.252.13.0 – 187.252.13.255187.252.13.0/24256
187.252.24.0 – 187.252.24.255187.252.24.0/24256
187.252.64.0 – 187.252.81.255187.252.64.0/20, 187.252.80.0/234,608
187.252.85.0 – 187.252.86.255187.252.85.0/24, 187.252.86.0/24512
187.252.90.0 – 187.252.90.255187.252.90.0/24256
2806:250:18:: – 2806:250:18:ffff:ffff:ffff:ffff:ffff2806:250:18::/48IPv6
2806:250:500:: – 2806:250:539:ffff:ffff:ffff:ffff:ffff2806:250:500::/43IPv6
2806:250:700:: – 2806:250:722:c09f:ffff:ffff:ffff:ffff2806:250:700::/43IPv6
2806:250:803:: – 2806:250:824:ffff:ffff:ffff:ffff:ffff2806:250:803::/48IPv6
2806:250:941:: – 2806:250:9ef:ffff:ffff:ffff:ffff:ffff2806:250:941::/48IPv6
2806:250:d00:: – 2806:250:f08:ffff:ffff:ffff:ffff:ffff2806:250:d00::/40IPv6
2806:250:f10:: – 2806:250:f12:c33f:ffff:ffff:ffff:ffff2806:250:f10::/47IPv6
2806:250:1100:: – 2806:250:1104:ffff:ffff:ffff:ffff:ffff2806:250:1100::/46IPv6
2806:250:1300:: – 2806:250:1301:ffff:ffff:ffff:ffff:ffff2806:250:1300::/47IPv6
Showing 50 of 139 IPv4 and 9 of 9 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026