Vivo · Brazil
Vivo is the mobile brand of Telefônica Brasil in Brazil, a subsidiary of Telefónica. The registry records nine ASNs registered to Telefônica Brasil, with AS26599 and AS27699 documented as mobile and AS26599 the one to treat as primary. Vivo's mobile country and network codes are 724-06, 724-10, 724-11 and 724-23.
Autonomous systems
Holder names and prefix counts come from the RIPE NCC's RIPEstat Data API, fetched on 2026-09-06. Role and confidence come from the evidence linked in each row; "confirmed" means a PeeringDB or RIPEstat record, or the operator's own site, names the operator.
| ASN | Holder (RIPEstat) | Role | Announced | IPv4 / IPv6 prefixes | Evidence |
|---|---|---|---|---|---|
| AS26599 | AS26599 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS26599 | Mobile network confirmed | yes | 440 / 277 | source · RIPEstat · PeeringDB |
| AS27699 | AS27699 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS27699 | Mobile network confirmed | yes | 139 / 23 | source · RIPEstat · PeeringDB |
| AS10429 | AS10429 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS10429 | Fixed-line confirmed | yes | 109 / 69 | source · RIPEstat · PeeringDB |
| AS11419 | AS11419 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS11419 | Role not documented confirmed | yes | 31 / 2 | source · RIPEstat · PeeringDB |
| AS16885 | AS16885 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS16885 | Role not documented confirmed | no | 0 / 0 | source · RIPEstat · PeeringDB |
| AS16911 | AS16911 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS16911 | Role not documented confirmed | no | 0 / 0 | source · RIPEstat · PeeringDB |
| AS18881 | AS18881 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS18881 | Fixed-line confirmed | yes | 973 / 72 | source · RIPEstat · PeeringDB |
| AS19182 | AS19182 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS19182 | Fixed-line confirmed | yes | 20 / 0 | source · RIPEstat · PeeringDB |
| AS22092 | AS22092 - TELEFONICA BRASIL S.A PeeringDB: TELEFÔNICA BRASIL AS22092 | Role not documented confirmed | no | 0 / 0 | source · RIPEstat · PeeringDB |
Mobile network codes
The MCC identifies the country and the MNC identifies the operator inside it. Together they appear in the IMSI of every SIM on the network and in device diagnostics; they are how a handset knows which network it is on.
About Vivo
Nine ASNs are registered to Telefônica Brasil, and PeeringDB carries a record for each under the name TELEFÔNICA BRASIL with the ASN appended, none of which states a network type. AS26599 is the primary mobile ASN, with 440 IPv4 prefixes against 277 IPv6 at the last probe, and AS27699 is also recorded as mobile, with 139 IPv4 against 23 IPv6. AS18881 (973 IPv4, 72 IPv6), AS10429 (109 IPv4, 69 IPv6) and AS19182 (20 IPv4, no IPv6) are recorded as fixed. AS11419 announces 31 IPv4 and 2 IPv6 prefixes with no documented role, and AS16885, AS16911 and AS22092 announce nothing.
An address whose origin ASN is AS26599 or AS27699 is routed by the network the registry documents as Vivo's mobile side, and AS26599 is the one to treat as primary. An address originating in AS18881, AS10429 or AS19182 is routed by Telefônica Brasil fixed broadband rather than by the mobile network. AS11419 has no documented role, so an address from it could be mobile, fixed or enterprise, and the ASN alone does not settle it. These role assignments come from routing and reverse DNS, not from a statement by the operator.
Research note. asn.txt gave no candidates; ASNs found via PeeringDB org 23003 (all registered 'TELEFÔNICA BRASIL AS<n>', aka 'Vivo', website telefonica.com.br). Registro.br whois owner for every one: TELEFÔNICA BRASIL S.A. Role assignment from reverse DNS of announced prefixes (RIPEstat announced-prefixes): AS26599 -> *.user.vivozap.com.br (Vivo mobile data brand; 440 v4 / 277 v6 prefixes); AS27699 -> *.user.vivozap.com.br and *.bbone.telesp.net.br (mixed mobile + former Telesp fixed; 139 v4 prefixes); AS18881 -> *.gvt.net.br (former GVT fixed broadband; 973 v4 prefixes); AS10429 -> tdatabrasil.net.br / gvt.net.br / dial-up.telesp.net.br (fixed/backbone); AS19182 -> static-user.ajato.com.br (fixed). Roles are inferred, not stated by the operator; treat AS26599 as the primary mobile ASN. Candidate rows 724-01 and 724-19 (given as 'Vivo S.A./Telemig') do not appear as Vivo rows in the Wikipedia 724 table and were dropped; 724-23 is listed as Vivo (formerly Telemig Celular). Wikipedia ITU-7xx table lists LTE 700/1800/2600 and 5G 700-3500 for 724-06/10/11. Operator site vivo.com.br returns Cloudflare 403 to fetches; its coverage page URL (title 'Cobertura Vivo: consulte o sinal 4G e 5G na sua região') is listed but was not readable. Parent: telefonica.com brands page states 'Vivo in Brazil'; Wikipedia: brand of Telefônica Brasil, subsidiary of Telefónica. Subscribers 103.01 million (Q4 2025) per Wikipedia Americas list.
Checking whether an IP belongs to Vivo
Look up the origin ASN of the address and compare it with the table above. RIPEstat answers for any address, and the RADB whois mirror lists the routes registered under an ASN.
curl -s "https://stat.ripe.net/data/prefix-overview/data.json?resource=203.0.113.9" | jq '.data.asns'whois -h whois.radb.net -- '-i origin AS26599' | grep ^routeQuestions
What is Vivo's ASN?
AS26599 is the ASN to treat as Vivo's primary mobile network, and AS27699 is also documented as mobile. The registry records seven further ASNs under Telefônica Brasil: AS10429, AS18881 and AS19182 as fixed, and AS11419, AS16885, AS16911 and AS22092 with no documented role.
What is the MCC/MNC of Vivo?
Vivo is recorded under MCC 724 with the network codes 06, 10, 11 and 23, the last of these listed for the network formerly branded Telemig Celular. The registry holds no other MCC/MNC row for Vivo, and these codes identify the network rather than any address range.
Is an IP from AS18881 a mobile IP?
The registry records AS18881, registered to Telefônica Brasil, as fixed, and it announces 973 IPv4 prefixes against 72 IPv6 at the last probe. An address originating there is routed by Telefônica Brasil but is not documented as mobile. AS26599 is the primary mobile ASN for Vivo.
Sources
- https://www.peeringdb.com/api/net?asn=26599
- https://www.peeringdb.com/api/net?asn=18881
- https://stat.ripe.net/data/as-overview/data.json?resource=AS26599
- https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS26599
- https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS27699
- https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS18881
- https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS10429
- https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS19182
- https://www.telefonica.com/en/about-us/brands/
- https://www.telefonica.com/en/communication-room/press-room/telefonica-announces-the-deployment-of-a-disaggregated-cell-site-gateway-solution-in-vivo-as-part-of-its-latest-nationwide-ip-network-deployment/
- https://en.wikipedia.org/wiki/Vivo_(telecommunications)
- https://en.wikipedia.org/wiki/List_of_mobile_network_operators_of_the_Americas
- https://en.wikipedia.org/wiki/Mobile_Network_Codes_in_ITU_region_7xx_(South_America)
- https://vivo.com.br/para-voce/por-que-vivo/qualidade/cobertura
- RIPEstat Data API (holder, announced prefixes)
- PeeringDB API (network records)