What is ASN AS263878?

ASN AS263878 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263878?

AS263878 is listed under FONTNET ME.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS263878 FONTNET ME | IPGeolocation.io

ASN Lookup Tool

FONTNET ME

BR 12 Routes

AS Data

AS263878

AS263878 – FONTNET ME

AS Number	263878
AS Name	LACNIC-ASNBLOCK-262144
Organization	FONTNET ME (lacnic)
Country	BR
Number of IPv4 Routes	7
Number of IPv6 Routes	5
ASN type	ISP
Registry	LACNIC
Date Allocated	2006-11-29

ASN Intelligence API for production workflows

Use ASN data for AS263878 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.204.22.0/23	AS263878	FONTNET ME	FONTNET ME	512
138.204.20.0/24	AS263878	FONTNET ME	FONTNET ME	256
2804:2720:c000::/34	AS263878	FONTNET ME	FONTNET ME	~20×10²⁷
138.204.23.0/24	AS263878	FONTNET ME	FONTNET ME	256
138.204.20.0/23	AS263878	FONTNET ME	FONTNET ME	512
138.204.22.0/24	AS263878	FONTNET ME	FONTNET ME	256
2804:2720::/32	AS263878	FONTNET ME	FONTNET ME	~79×10²⁷
2804:2720:8000::/34	AS263878	FONTNET ME	FONTNET ME	~20×10²⁷
2804:2720:4000::/34	AS263878	FONTNET ME	FONTNET ME	~20×10²⁷
138.204.21.0/24	AS263878	FONTNET ME	FONTNET ME	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       262144 - 268700
ASName:         LACNIC-ASNBLOCK-262144
ASHandle:       AS262144
RegDate:        2006-11-29
Updated:        2018-03-29
Comment:        This AS is under LACNIC responsibility for further allocations to
Comment:        users in LACNIC region.
Comment:        Please see http://www.lacnic.net/ for further details, or check the
Comment:        WHOIS server located at http://whois.lacnic.net
Ref:            https://rdap.arin.net/registry/autnum/262144

ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois
ResourceLink:  whois.lacnic.net


OrgName:        Latin American and Caribbean IP address Regional Registry
OrgId:          LACNIC
Address:        Rambla Republica de Mexico 6125
City:           Montevideo
StateProv:      
PostalCode:     11400
Country:        UY
RegDate:        2002-07-27
Updated:        2018-03-15
Ref:            https://rdap.arin.net/registry/entity/LACNIC

ReferralServer:  whois://whois.lacnic.net
ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois

OrgTechHandle: LACNIC-ARIN
OrgTechName:   LACNIC Whois Info
OrgTechPhone:  +598-2604-2222 
OrgTechEmail:  whois-contact@lacnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LACNIC-ARIN

OrgAbuseHandle: LWI100-ARIN
OrgAbuseName:   LACNIC Whois Info
OrgAbusePhone:  +598-2604-2222 
OrgAbuseEmail:  abuse@lacnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LWI100-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "262144 - 268700",
    "as_handle" : "AS262144",
    "as_name" : "LACNIC-ASNBLOCK-262144",
    "tech_contacts" : [ "LACNIC-ARIN" ],
    "abuse_contacts" : [ "LWI100-ARIN" ],
    "date_created" : "2006-11-29",
    "date_updated" : "2018-03-29",
    "source" : "https://rdap.arin.net/registry/autnum/262144"
  } ],
  "organization" : {
    "handle" : "LACNIC",
    "name" : "Latin American and Caribbean IP address Regional Registry",
    "address" : [ "Rambla Republica de Mexico 6125", "Montevideo", "11400", "UY" ],
    "street" : "Rambla Republica De Mexico",
    "city" : "Montevideo",
    "zip_code" : "11400",
    "country" : [ "UY" ],
    "date_created" : "2002-07-27",
    "date_updated" : "2018-03-15",
    "source" : "https://rdap.arin.net/registry/entity/LACNIC",
    "addressCountry" : "UY"
  },
  "technical_contacts" : [ {
    "handle" : "LACNIC-ARIN",
    "name" : "LACNIC Whois Info",
    "email" : [ "whois-contact@lacnic.net" ],
    "phone" : [ "+598-2604-2222" ],
    "source" : "https://rdap.arin.net/registry/entity/LACNIC-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "LWI100-ARIN",
    "name" : "LACNIC Whois Info",
    "email" : [ "abuse@lacnic.net" ],
    "phone" : [ "+598-2604-2222" ],
    "source" : "https://rdap.arin.net/registry/entity/LWI100-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS268512	VOO TELECOM	BR

Upstreams

AS Number	Description	Country
AS268512	VOO TELECOM	BR

Contacts

Email Contacts

whois-contact@lacnic.net

Abuse Contacts

abuse@lacnic.net