
28505 AS28505 - Universidad Regiomontana, S.C., MX
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS18734 AS18734 - Operbes, S.A. de C.V., MX
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19714 AS28505 ORIGIN Originate: 3072 /20.42 Transit: 0 /0.00 AS28505 - Universidad Regiomontana, S.C., MX
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 10013 AS28505 AS28505 - Universidad Regiomontana, S.C., MX 9 4 0 5 4 44.44% Prefix AS Path Aggregation Suggestion 148.232.2.0/24 4608 7575 1299 18734 28505 148.232.9.0/24 4608 7575 1299 18734 28505 148.232.10.0/24 4608 7575 1299 18734 28505 148.232.40.0/22 4608 7575 1299 18734 28505 148.232.40.0/24 4608 7575 1299 18734 28505 - Withdrawn - matching aggregate 148.232.40.0/22 4608 7575 1299 18734 28505 148.232.41.0/24 4608 7575 1299 18734 28505 - Withdrawn - matching aggregate 148.232.40.0/22 4608 7575 1299 18734 28505 148.232.42.0/24 4608 7575 1299 18734 28505 - Withdrawn - matching aggregate 148.232.40.0/22 4608 7575 1299 18734 28505 148.232.43.0/24 4608 7575 1299 18734 28505 - Withdrawn - matching aggregate 148.232.40.0/22 4608 7575 1299 18734 28505 148.232.120.0/24 4608 7575 1299 18734 28505
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS28505 9 More Specifics 9 Total Advertisements AS28505 - Universidad Regiomontana, S.C., MX
148.232.2.0/24 148.232.0.0/16
148.232.9.0/24 148.232.0.0/16
148.232.10.0/24 148.232.0.0/16
148.232.40.0/22 148.232.0.0/16
148.232.40.0/24 148.232.0.0/16
148.232.41.0/24 148.232.0.0/16
148.232.42.0/24 148.232.0.0/16
148.232.43.0/24 148.232.0.0/16
148.232.120.0/24 148.232.0.0/16
whois: 402625
IANA has recorded AS28505 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS28505\n % IP Client: 2401:2000:6660::13
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% 2026-06-14 11:50:24 (-03 -03:00)
aut-num: AS28505
owner: Universidad Regiomontana, S.C.
ownerid: MX-UNRE-LACNIC
responsible: Rodrigo Cornish Vazquez
address: Mariana Matamoros PTE, 420, Centro
address: 64000 - Monterrey - NL
country: MX
phone: +55 81 25550000
owner-c: FJS
routing-c: FJS
abuse-c: FJS
created: 20050215
changed: 20050215
nic-hdl: FJS
person: Administrador de Sistema
e-mail: fhernan@u-erre.mx
address: Mariano Matamoros PTE, 420, Centro
address: 64000 - Monterrey - NL
country: MX
phone: +52 8125550000
created: 20040330
changed: 20240412
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