ASN Lookup Tool

Master IT Support masteritsupport.com PR PR 11 Routes

AS Data

AS401866

AS401866 – Master IT Support

AS Number 401866
AS Name MITSUPP
Organization Master IT Support(misl-33)
Country PR
Website masteritsupport.com
Number of IPv4 Routes 1
Number of IPv6 Routes 10
ASN type BUSINESS
Registry ARIN
Date Allocated 2025-07-24

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Use ASN data for AS401866 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2604:19a0:6::/48 ~1×10²⁴
23.143.4.0/24 256
2604:19a0:1::/48 ~1×10²⁴
2604:19a0:a::/48 ~1×10²⁴
2604:19a0:3::/48 ~1×10²⁴
2604:19a0:8::/48 ~1×10²⁴
2604:19a0:9::/48 ~1×10²⁴
2604:19a0:7::/48 ~1×10²⁴
2604:19a0:2::/48 ~1×10²⁴
2604:19a0:5::/48 ~1×10²⁴

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:       401866
ASName:         MITSUPP
ASHandle:       AS401866
RegDate:        2025-07-24
Updated:        2025-09-13
Comment:        https://masteritsupport.com    
Ref:            https://rdap.arin.net/registry/autnum/401866


OrgName:        Master IT Support
OrgId:          MISL-33
Address:        METRO OFFICE PARK CALLE #1 LOTE 6, SUITE 104
City:           GUAYNABO
StateProv:      PR
PostalCode:     00966
Country:        PR
RegDate:        2025-07-16
Updated:        2025-07-29
Comment:        https://masteritsupport.com
Ref:            https://rdap.arin.net/registry/entity/MISL-33


OrgTechHandle: NETWO10307-ARIN
OrgTechName:   Network Department
OrgTechPhone:  +1-833-648-7877 
OrgTechEmail:  noc@masteritsupport.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10307-ARIN

OrgAbuseHandle: ABUSE9274-ARIN
OrgAbuseName:   Abuse Department
OrgAbusePhone:  +1-833-648-7877 
OrgAbuseEmail:  abuse@masteritsupport.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9274-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

Peers

AS Number Description Country
AS23470 ReliableSite.Net LLC US
AS46962 HRCOM PR

Upstreams

AS Number Description Country
AS23470 ReliableSite.Net LLC US
AS46962 HRCOM PR

Contacts

Email Contacts

noc@masteritsupport.com

Abuse Contacts

abuse@masteritsupport.com

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Frequently Asked Questions

ASN AS401866 is an Autonomous System Number used to identify a network for BGP internet routing.
AS401866 is listed under Master IT Support.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.