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AS278

AS278 is Universidad Nacional Autonoma de Mexico.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (2 Nov 2026)

Short answer

AS278 belongs to Universidad Nacional Autonoma de Mexico. DB-IP Lite attributes 129,536 IPv4 addresses in 3 ranges and 12 IPv6 ranges to it, all or nearly all of the IPv4 space in Mexico. The number is registered with LACNIC in Mexico on 31 Mar 1989.

Facts for AS278
Operator (DB-IP)Universidad Nacional Autonoma de Mexico
IPv4 addresses129,536
IPv4 ranges3
IPv6 ranges12
RegistryLACNIC
Registered31 Mar 1989
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)

Universidad Nacional Autonoma de Mexico 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 12 IPv6 ranges for AS278, 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
132.247.0.0 – 132.247.247.255132.247.0.0/17, 132.247.128.0/18 …63,488
132.248.0.0 – 132.248.255.255132.248.0.0/1665,536
192.100.199.0 – 192.100.200.255192.100.199.0/24, 192.100.200.0/24512
2001:1218:: – 2001:1218:ffff:ffff:ffff:ffff:ffff:ffff2001:1218::/32IPv6
2806:1020:1501:: – 2806:1020:1501:ffff:ffff:ffff:ffff:ffff2806:1020:1501::/48IPv6
2806:1040:10a:: – 2806:1040:10a:ffff:ffff:ffff:ffff:ffff2806:1040:10a::/48IPv6
2806:1040:1100:: – 2806:1040:1100:ffff:ffff:ffff:ffff:ffff2806:1040:1100::/48IPv6
2806:1050:10a:: – 2806:1050:10a:ffff:ffff:ffff:ffff:ffff2806:1050:10a::/48IPv6
2806:1050:a01:: – 2806:1050:a01:ffff:ffff:ffff:ffff:ffff2806:1050:a01::/48IPv6
2806:1060:303:: – 2806:1060:303:ffff:ffff:ffff:ffff:ffff2806:1060:303::/48IPv6
2806:1060:b02:: – 2806:1060:b02:ffff:ffff:ffff:ffff:ffff2806:1060:b02::/48IPv6
2806:1060:f03:: – 2806:1060:f03:ffff:ffff:ffff:ffff:ffff2806:1060:f03::/48IPv6
2806:1060:1101:: – 2806:1060:1101:ffff:ffff:ffff:ffff:ffff2806:1060:1101::/48IPv6
2806:1070:20c:: – 2806:1070:20c:ffff:ffff:ffff:ffff:ffff2806:1070:20c::/48IPv6
2806:10b0:703:: – 2806:10b0:703:ffff:ffff:ffff:ffff:ffff2806:10b0:703::/48IPv6
Showing 3 of 3 IPv4 and 12 of 12 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 3 Nov 2026