AS27818 Cotesma

AS27818 - Cotesma · registered in Argentina

IPv4 addresses17,6644 prefixes · <0.001% of announced IPv4

Rank in Argentina#52largest network in AR by IPv4 space, of 1,070 · 0.10% of AR

Rank worldwide#6,585of 79,396 networks with IPv4

IPv654,273 x /489 prefixes

CountryArgentina1,083 ASNs registered there

Open AS27818 in ASN lookup Look up an IP in this network (131.161.152.1) All networks in Argentina

IPv4 prefixes

All 4 prefixes, in address order.

131.161.152.0/22
181.114.128.0/19
200.47.43.0/24
201.220.160.0/19

IPv6 prefixes

All 9 prefixes.

2803:3380:1003::/48
2803:3380:1100::/40
2803:3380:1200::/40
2803:3380:2000::/35
2803:3380:4000::/34
2803:3380:8000::/34
2803:3380:c000::/35
2803:3380:e000::/36
2803:3380:fe00::/39

Similar-sized networks in Argentina

ASNNameIPv4 addresses

AS263812#49 AS263812 - SONDATECH S.A.S.18,688

AS14232#50 AS14232 - Cooperativa Telefonica Pinamar Ltda.18,432

AS27792#51 AS27792 - Wiltel Comunicaciones SA18,432

AS17069#53 AS17069 - Coop Telefonica Villa Gesell Ltda17,408

AS27881#54 AS27881 - IPNEXT S.A.16,896

AS52279#55 AS52279 - ETERNET S.R.L.16,640

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources